Tag Archives: Arduino MEGA

Which Arduino board is right for you?


Picking an Arduino is as easy as Uno, Due, Tre! 


Thinking about starting a project? See which Arduino board is right for the job.

Arduino Uno

This popular board — based on the ATmega328 MCU — features 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, USB connection, power jack, an ICSP header and a reset button.

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The Uno does not use the FTDI USB-to-serial driver chip. Instead, it features the ATmega16U2 (ATmega8U2 up to version R2) programmed as a USB-to-serial converter.

In addition, Revision 3 of the Uno offers the following new features:

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1.0 pinout: added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. Note: The second is not a connected pin.
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Stronger RESET circuit.
  • ATmega16U2 replace the 8U2.

Arduino Leonardo

The Arduino Leonardo is built around the versatile ATmega32U4. This board offers 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, microUSB connection, power jack, an ICSP header and a reset button.

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The Leonardo contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. Plus, the ATmega32U4 offers built-in USB communication, eliminating the need for a secondary processor. This allows it to appear as a mouse and keyboard, in addition to being recognized as a virtual (CDC) serial / COM port.

Arduino Due

The Arduino Due is an MCU board based on the Atmel | SMART SAM3X8E ARM Cortex-M3 CPU.

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As the first Arduino built on a 32-bit ARM core microcontroller, Due boasts 54 digital input/output pins (of which 12 can be used as PWM outputs), 12 analog inputs, 4 UARTs (hardware serial ports), an 84 MHz clock, USB OTG capable connection, 2 DAC (digital to analog), 2 TWI, a power jack, an SPI header, a JTAG header, a reset button and an erase button.

Unlike other Arduino boards, the Due runs at 3.3V. The maximum voltage that the I/O pins can tolerate is 3.3V. Providing higher voltages, like 5V to an I/O pin, could damage the board.

Arduino Yún

The Arduino Yún features an ATmega32U4, along with an Atheros AR9331 that supports a Linux distribution based on OpenWRT known as Linino.

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The Yún has built-in Ethernet and Wi-Fi support, a USB-A port, a microSD card slot, 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, microUSB connection, an ICSP header and 3 reset buttons. The Yún is also capable of communicating with the Linux distribution onboard, offering a powerful networked computer with the ease of Arduino.

In addition to Linux commands like cURL, Makers and engineers can write their own shell and python scripts for robust interactions. The Yún is similar to the Leonardo in that the ATmega32U4 offers USB communication, eliminating the need for a secondary processor. This enables the Yún to appear as a mouse and keyboard, in addition to being recognized as a virtual (CDC) serial?COM port.

Arduino Micro

Developed in conjunction with Adafruit, the Arduino Micro is powered by ATmega32U4.

The board is equipped 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, microUSB connection, a ICSP header and a reset button. The Micro includes everything needed to support the microcontroller; simply connect it to a computer with a microUSB cable to get started. The Micro even has a form factor that lets the device be easily placed on a breadboard.

Arduino Robot

The Arduino Robot is the very first official Arduino on wheels. The robot is equipped with two processors — one for each of its two boards.

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The motor board drives the motors, while the control board is tasked with reading sensors and determining how to operate. Each of the ATmega32u4 based units are fully-programmable using the Arduino IDE. More specifically, configuring the robot is similar to the process with the Arduino Leonardo, as both MCUs offer built-in USB communication, effectively eliminating the need for a secondary processor. This enables the Robot to appear to a connected computer as a virtual (CDC) serial?COM port.

Arduino Esplora

The Arduino Esplora is an ATmega32u4 powered microcontroller board derived from the Arduino Leonardo. It’s designed for Makers and DIY hobbyists who want to get up and running with Arduino without having to learn about the electronics first.

The Esplora features onboard sound and light outputs, along with several input sensors, including a joystick, slider, temperature sensor, accelerometer, microphone and a light sensor. It also has the potential to expand its capabilities with two Tinkerkit input and output connectors, along with a socket for a color TFT LCD screen.

Arduino Mega (2560)

The Arduino Mega features an ATmega2560 at its heart.

It is packed with 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, USB connection, a power jack, an ICSP header and a reset button. Simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. The Mega is compatible with most shields designed for the Arduino Duemilanove or Diecimila.

Arduino Mini

Originally based on the ATmega168, and now equipped with the ATmega328, the Arduino Mini is intended for use on breadboards and projects where space is at a premium.

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The board is loaded with 14 digital input/output pins (of which 6 can be used as PWM outputs), 8 analog inputs and a 16 MHz crystal oscillator. It can be programmed with the USB Serial adapter, the other USB, or the RS232 to TTL serial adapter.

Arduino LilyPad

The LilyPad Arduino is designed specifically for wearables and e-textiles. It can be sewn to fabric and similarly mounted power supplies, sensors and actuators with conductive thread.

The board is based on the ATmega168V (the low-power version of the ATmega168) or the ATmega328V. The LilyPad Arduino was designed and developed by Leah Buechley and SparkFun Electronics. Readers may also want to check out the LilyPad Simple, LilyPad USB and the LilyPad SimpleSnap.

Arduino Nano

The Arduino Nano is a tiny, complete and breadboard-friendly board based on the ATmega328 (Arduino Nano 3.x) or ATmega168 (Arduino Nano 2.x).

The Nano has more or less the same functionality of the Arduino Duemilanove, but in a different package. It lacks only a DC power jack and works with a Mini-B USB cable instead of a standard one. The board is designed and produced by Gravitech.

Arduino Pro Mini

Powered by an ATmega328, the Arduino Pro Mini is equipped with 14 digital input/output pins (of which 6 can be used as PWM outputs), 8 analog inputs, an on-board resonator, a reset button and some holes for mounting pin headers.

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A 6-pin header can be connected to an FTDI cable or Sparkfun breakout board to provide USB power and communication to the board. Note: See also Arduino Pro.

Arduino Fio

The Arduino Fio (V3) is a microcontroller board based on Atmel’s ATmega32U4. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 8 analog inputs, an on-board resonator, a reset button and holes for mounting pin headers. It also offers connections for a lithium polymer battery and includes a charge circuit over USB. An XBee socket is available on the bottom of the board.

The Arduino Fio is intended for wireless applications. The user can upload sketches with an a FTDI cable or Sparkfun breakout board. Additionally, by using a modified USB-to-XBee adaptor such as XBee Explorer USB, the user can upload sketches wirelessly. The board comes without pre-mounted headers, facilitating the use of various types of connectors or direct soldering of wires. The Arduino Fio was designed by Shigeru Kobayashi and SparkFun Electronics.

Arduino Zero

Last year, the tandem of Atmel and Arduino debuted the Zero development board – a simple, elegant and powerful 32-bit extension of the platform. The Arduino Zero board packs an Atmel | SMART SAM D21 MCU, which features an ARM Cortex M0+ core. Additional key hardware specs include 256KB of Flash, 32KB SRAM in a TQFP package and compatibility with 3.3V shields that conform to the Arduino R3 layout.

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The Arduino Zero boasts flexible peripherals along with Atmel’s Embedded Debugger (EDBG) – facilitating a full debug interface on the SAMD21 without the need for supplemental hardware. Beyond that, EDBG supports a virtual COM port that can be used for device programming and traditional Arduino bootloader functionality. This highly-anticipated board will be available for purchase from the Arduino Store in the U.S. on Monday June 15th.

Arduino AtHeart

The Arduino AtHeart program was specifically launched for Makers and companies with products based on the open-source board that would like to be clearly identified as supporters of the versatile platform. The program is available for any device that includes a processor that is currently supported by the Arduino IDE, including the following Atmel MCUs:

Participants in the program include startups like:

EarthMake – ArLCD

The touchscreen ArLCD combines the ezLCD SmartLCD GPU with the Arduino Uno.

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Bare Conductive Touch Board

The ATmega32U4 based Touch Board can turn nearly any material or surface into a sensor by connecting it to one of its 12 electrodes, using conductive paint or anything conductive.

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Blend Micro

The RedBearLab integrated dev platform “blends” the powers of Arduino with Bluetooth 4.0 Low Energy into a single board. It is targeted for Makers looking to develop low-power IoT projects in a quick, easy and efficient manner. The MCU is driven by an ATmega32U4 and a Nordic nRF8001 BLE chip.

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littleBits Arduino Module

The fan-favorite Arduino module, which happens to also be based on an ATmega32U4, lets users easily write programs in the Arduino IDE to read sensors and control lights and motors within the littleBits system.

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Smart Citizen Kit

An Arduino-compatible motherboard with sensors that measure air composition (CO and NO2), temperature, light intensity, sound levels, and humidity. Once configured, the Smart Citizen Kit is capable of streaming data collected by the sensors over Wi-Fi.

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Here are some unbelievable projects to help celebrate Arduino Day


With Arduino Day celebrations just about to kick off, let’s take a look at some cool ‘duino projects!


Atmel powers Arduino. Arduino enables Maker. Maker inspires the world. While there are countless creations all over the web, we’ve compiled just a few of the most dynamic and different ‘duino projects from the past couple of months to help celebrate March 28th.

As you can tell, the open-source platform has come a long way since its inception a decade ago. Today, the Arduino family has grown to include more than two dozen low-cost boards, a community with hundreds of thousands of tinkerers and over a million (and counting) Arduino units in the wild.

So without further ado, here’s some of our favorite projects to kickoff Arduino Day festivities!

Unlocking doors by saying ‘open sesame!’

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MIT student Dheera Venkatraman has developed a new way for users to wirelessly unlock their doors with simple Google Now-like commands.

Wearing an Enigma machine

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Designed by Maker “Asciimation” the Enigma wristwatch is a fully-functional wearable that replicates the original machine, which was used to cipher secret messages in the 20th century.

Changing the TV channel with your mind

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Maker Daniel Davis — who runs the website “Tinkernut” — has developed a homemade mind-controlled TV remote using an old Star Wars Force Trainer game and Arduino.

A wearable that lets you bring your teacher anywhere

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Like a hawk-eyed professor, this wearable device literally puts a teacher looking over your shoulder.

This book cover judges you instead

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Amsterdam creative studio Moore has turned the tables on an old-school idiom using a book sleeve equipped with an integrated camera and facial-recognition technology that scans the face of whoever comes near. If someone conveys too much emotion – whether overexcitement or under-enthusiasm — the book will remain locked.

Stopping cheaters in online video games

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To end cheating in online video game tournaments, software engineer David Titarenco developed what he calls Game:ref. Built around an Arduino Mega SDK, the device is capable of identifying mouse-based cheats that are typically seen in FPS, MOBA, RTS and other competitive games, ranging from auto-clicking to aimbots.

Catch ‘em all with help of Arduino

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Pepijn de Vos has created a system that acts as a Game Boy, storing a single Pokémon in EEPROM. This enables a user to trade between first-generation games using only a single console, all by themselves.

Tapping out tweets with on an old telegraph

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Maker Devon Elliot outfitted an old telegraph sounder seated in a wooden resonator with some modern-day electronics so that it could tap out tweets.

Detecting air pollution with a Steampunk helmet

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The Jacobson’s Fabulous Olfactometer is a head-mounted contraption that offers sensory augmentation for the human olfactory system under extreme living conditions of polluted cities.

Controlling electronic devices using cords

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Inspired by a water hose, MIT’s Tangible Media Group wants you to control your connected gadgets with their cords. Imagine if tightening a knot could dim a lamp, attaching a clip on a power cord could put a computer to sleep or kinking its wire could power it on/off.

The Internet of Ethical Things?

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Created by Simone Rebaudengo and Matthieu Cherubini, Ethical Things is a project that explores the effects of autonomous systems of the future as they head increasingly towards complex algorithms aimed at solving situations requiring some form of moral reasoning.

A smart table that listens and records meetings

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As its name implies, the Listening Table combines pervasive data collection and the Internet of Things into a new concept, one in which office furniture can listen and record your conversations, using an array of dynamic microphones. When a meeting concludes, participants can see a high-level summary digest showing all the topics discussed.

Now that’s doing-knit-yourself!

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The duo of Varvara Guljajeva and Mar Canet recently debuted the open-source circular knitting machine Circular Knitic. Initially built for a program called DOERS, which was curated by Arduino co-founder David Cuartielles, the DIY device was constructed using a RepRap printer along with some digital fabrication, laser cutting and MakerBeam, and is powered by an Arduino Uno.

Teaching a pup to send selfies

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One Maker proved that, by using the combination of an Arduino Yún, Twilio and a big red button, anyone can train their puppy to send selfies.

Visualize your city’s mood through tweets

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Maker Chadwick Friedman has devised a 3D-printed Twitter Mood Lamp that, as its name would suggest, changes colors to match the attitude of the city. The project is controlled by an Arduino Yún, which causes the device to emit either red, green, or blue based on whether the mood of the city is perceived to be angry, happy, or sad, respectively.

Tracking activities in lower Earth orbit

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Berlin studio Quadrature has developed a custom-built machine, called SATELLITEN, that is capable of keeping tabs on the number of satellite flyovers and plotting them in real-time on a paper map with ink.

Playing real-world Space Invaders with real-world lasers

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Martin Raynsford — who happens to be one of the owners of UK-based laser cutter manufacturer Just Add Sharks — decided to bring the classic game of Space Invaders to life using the hardware of a modified Whitetooth A1 laser cutter along with a laptop keyboard to serve as its gamepad. An Arduino Nano was mounted to a custom 80W laser controller to enable side-to-side movement to help shoot the paper invaders, each clipped to a plate and driven by stepper motors.

Dispensing music with Juice-Box

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For a school assignment, Maker Jae-Hwan Jung devised a soda dispenser-styled jukebox in a project he calls Juice-Box. Programmed with an assortment of musical flavors, users can “dispense” tunes in their own cup-shaped MP3 player. Each dispenser denotes a different genre, such as favorites, jazz, hip-hop or the blues.

Sending encrypted messages using social networks

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Made by Jochen Maria Weber, Cuckoo is device that uses social media as a means of private communication, and encrypts messages into randomly generated words, meanings and noise in order to scatter them over multiple networks simultaneously.

Get ready for your own robotic sidekick

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PLEN2 is a 3D-printable, humanoid robotic kit consisting of a control board, servo motors and other electronic accessories that let Makers of all levels put together themselves. Programmed to mirror its human counterpart, PLEN2 aspires to revolutionize the relationship between homo and robo sapiens.

Time traveling through augmented reality and smell

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A researcher employed an Arduino, an Arduino Wi-Fi Shield, a cheap computer fan and Unity3D software to explore the use of augmented reality within archaeological practice. A mobile app reconstructs real-world images by changing in real-time as the user moves about their environment, while a fan emits scents to make it as if you traveled to another time.

This drone attachment can save your life

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Launched on Kickstarter by a group of Connecticut high school students, Ryptide is an Arduino-powered drone accessory that can deliver an automatically-inflating life preserver to a swimmer in trouble in seconds.

Using your brain and visual stimuli to play music

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In collaboration with researcher Oscar Portolés, digital artist Fèlix Vinyals has developed a hybrid brain computer machine interface installation that allows him to create music and control the lighting during a performance on stage, all through the reading of the electric potential of his brain and visual stimuli.

A Bellagio-like fountain recreated with strings

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Replicating the likes of the Bellagio world-renowned display mixed with a 1950s synchronized swimming performance, Paolo Salvagione has whipped up a kinetic sculpture that uses propulsion to elevate a continuous piece of string into the air.

Art Vader?

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Crafted by Christopher Connell, this ambient Darth Vader poster wirelessly reacts to music playing in a room with various LED color-changing effects.

Automating your Etch-A-Sketch to recreate famous paintings

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Evan Long decided to mod his old Etch-A-Sketch using an Arduino Uno to enable the toy to draw famous pieces of art, including the Mona Lisa. The Maker added 3D-printed custom mounts to its knobs, which housed a pair of two stepper motors and ULN2803 to switch the 12V required for the steppers.

Turning twerking into music

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The Booty Drum is a high-tech musical device that, unlike most instruments, isn’t operated by your hands, feet or head for that matter, but by your posterior. This idea is a collaboration between headphone brand AIAIAI, professional dancer Twerk Queen Louise, Branko from Portuguese electronic band Buraka Som Sistema and Dutch design company Owow.

A robot that shovels for you

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The next time that you’re expecting 12” of snow, wouldn’t it be nice if there was a machine that could do the tedious task for you — without ever having to step foot outside? Well, a Maker by the name of Boris Landoni has devised just that: a remote-controlled snow plow robot powered by an Arduino Uno.

Right on pointé

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Designed by Lesia Trubat, Electronic Traces (E-Traces for short) are a pair of embedded pointé shoes which allow ballerinas to recreate their movements into visual sensations using an accompanying mobile app.

Chameleon-like jacket

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Designed by Oslo, Norway design firm Drap go Design, the Interacket is an ATmega328-powered jacket that lets a wearer interact with the objects around them by mimicking their color.

Click your heels three times and call an Uber ride

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Designed by Maker DJ Saul, Dorothy is a physical trigger that can turn a dumb ol’ shoe smart. Adhering to the “if this, then that” principle, the Ruby is an Arduino-based device equipped with a Bluetooth chip, accelerometer and coin cell battery, while its housing is 3D-printed. The small gadget can be either slipped into or clipped onto any piece of footwear and connected to a smartphone app that will automatically call a cab or send a message.

This talking fridge can sell itself

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In an attempt to provide shoppers with a less intrusive experience, Samsung equipped a number of its refrigerators with Arduino units that were capable of detecting customers and speaking to them in real-time. Whenever movement was sensed by any of the fridge’s interior compartments, the Arduino sensors activated a voice playback and explained the appliance’s features and benefits to the prospective buyer.

When ‘duino found Nemo

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Dutch design group Studio Diip modded an existing tank with wheels and sensors that would allow its inhabitant to operate the vehicle by swimming in a specific direction. The project, dubbed Fish on Wheels, is an attempt to “liberate fish all over the world.”

Color-changing fabrics react to heat and sound

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Judit Eszter Karpati, a Budapest-based textile designer, wanted to further blur the fading boundaries between the digital realm and physical world. To do so, the Maker created an e-textile that alters its patterns based on its surroundings, which is made possible by an Arduino board, a 12V power supply and nearly 20 custom PCBs.

An interactive fabric you’ll want to touch

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The brainchild of Esteban de la Torre and Judit Eszter Karpati, OCHO TONOS is an audible textile interface for multi-sensorial interaction, involving both touch and sound. The objective of the project was to create a soundscape through sensor technology inviting audiophiles to perform and explore with reactive textile elements.

Re-imagining the radio interface

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Audio broadcasting radios have been around since the 1920s. In fact, their control interface share many similarities — knobs, sliders and switches — with those designed by our ancestors nearly 100 years ago. Seeking to redefine the entire radio control experience, Carnegie Mellon University design student Yaakov Lyubetsky built a fully-functional prototype of an Experimental Form Radio using an Arduino Uno.

Wake up and smell the coffee

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For a majority of us, mornings just aren’t complete without your daily cup ‘o joe. Now, what if your instant coffee literally woke you up? Nestlé teamed with Mexcio City-based agency Publicis Mexico and Los Angeles studio NOTlabs to debut the Alarm Cap — a limited-edition, 3D-printed lid powered by an Arduino. The unique design is comprised of seven distinct alarm sounds, including a bird song, that are played in tandem with a gently pulsing light. To switch off the alarm, the user opens the lid and is greeted with the invigorating smell of Nescafé coffee.

This washing machine orders detergent when you’re out

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Cloudwash — designed by the folks at Berg — is a prototype washing machine (based on a standard Zanussi model) connected to a web platform. The team created the futuristic device to explore how the ever-growing Internet of Things would change the appliances most commonly found in our homes, and to discover what new, innovative features would be made possible.

A floating orb captures and replays ambient noise

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Created by Francesco Tacchini, Julinka Ebhardt and Will Yates-Johnson, 

Space Replay is a giant ball that constantly records and replays the sounds of public spaces, creating a delayed echo of human activity. To make the floating orb, the Maker trio used a latex balloon filled with enough helium to be able to lift a battery-powered, an Arduino, an Adafruit Wave Shield and a small speaker.

Samsung is making your bike smarter

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Designed by Italian frame-builder Giovanni Pelizzoli and student Alice Biotti, the Samsung Smart Bike is built around an aluminum frame that boasts curved tubes to soak up vibrations from riding on rough city streets. The frame is also equipped with a battery, an Arduino board, as well as Wi-Fi and Bluetooth modules.

Designing your own pair of Google Glass

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13-year-old Clay Haight designed something not many kids would have even imagined, particularly at that age: a Google Glass-inspired, intelligent pair of glasses. The young Maker used the sensors on the Arduino Esploraand an Arduino LCD screen, before piecing it all together on a 3D-printed frame.

This robot wants to add AI to everyday household objects

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Sure, robotic concepts are dime a dozen these days. The question is, however, how close are we to an era of ubiquitous multi-function droids? According to Flower Robotics, soon. In an effort to lower the barriers for development and adoption of in-house robots, the Tokyo-based design studio launched a futuristic, Arduino-based device that they call Patin.

Saying ‘I Love You’ with the IoT

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Israeli design student Daniel Sher has developed a trilogy of creations that can transmit silent gestures between loved ones. Using an Arduino for all three devices, the Maker utilized the Internet of Things to establish a new way for loved ones to communicate from afar. The Maker incorporated a series of sensors and wires that allowed various physical traits to be measured and relayed across long distances.

Free beer for your timesheet 

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Let’s face it, no one enjoys filling out timesheets — yet they are imperative in order to get paid. That’s why Minneapolis ad agency Colle + McVoy has devised a new way to not only get employees to fill out their time cards, but to reward them with some draft beer. Dubbed TapServer, the multi-keg beer deployment system combines RFID tags and some custom-written software to seamlessly sync with the agency’s time-keeping application. On the hardware side, the program is comprised of several Arduino Uno boards, a Node-based server, solenoids and a Raspberry Pi.

A modern-day message in a bottle

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Created by ECAL graduate David Colombini, Attachment is an Arduino Mega-powered poetic machine that enables you to send text, images or videos into the air using a biodegradable balloon with the intention of “rediscovering expectation, the random, and the unexpected” uncommonly found in current means of communication.

Backpack destroys personal data 

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The backpack — which was originally designed as an Art Center College of Design project — intercepts data that’s about to go to the cloud and ‘vaporizes’ it at the same time, creating both a real and symbolic shield. The backpack includes an ‘inhaler’ device that attaches to your hand and triggers it either when someone gets too close to the inhaler’s proximity sensor or when you breathe into it.

Taste the music on the radio

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Can music be translated from something we hear into something we can taste? A group of students believed so, and decided to find out. Beatballs is a project created by 54 students from the Interactive Art Director program at Hyper Island in Stockholm who developed a code that translates specific songs into different meatball recipes based on tempo, cadence, mood, key, and other tuneful attributes. The team also devised a prototype of a machine made with Arduino and recycled objects.

Turning air pollution into art

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Media artist Dmitry Morozov — more commonly known as ::vtol:: — found a way to turn offensive pollution into enticing art through a portable, Bluetooth-connected device entitled Digioxide. In an attempt to raise public awareness of the environmental pollution by artistic means, the Maker’s wireless creation uses a set of sensors to measure the presence of gases such as carbon monoxide, carbon dioxide, methane, and even dust in the air, which are translated into volts. An Arduino algorithmically then converts those volts into various shapes and colors.

Lamp changes color with your mood

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The Mood Lamp is an Arduino-based project created by Italian developer Vittorio Cuculo. The hacked IKEA lamp adjusts its lighting output based on the facial expression of a user.

A shape-shifting, morphing table

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MIT’s Tangible Media Group launched a shapeshifting display that lets users interact with digital information in a tangible way. inFORM is equipped with 900 individually actuated white polystyrene pins that make up the surface in an array of 30 x 30 pixels. The interactive piece can display 3D information in real-time and in a more accurate and interactive manner compared to the flat rendering often created by computer user interface.

A kinetic-audio installation

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In collaboration with FutureEverything and Moscow’s Laboratoria Art & Science Space, media artist Dmitry Morozov has designed a kinetic audio installation that emits quantum entanglement-inspired sounds.

Putting a unique spin on political debates

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This interactive installation by Maker Georgios Cherouvim features a real-life demonstration of a vocal debate between two characters. Instead of a productive dialogue promoting their ideas on a range of issues from voting and local government to war and taxes, the “politicians” share a constant yet indecipherable argument with one another, causing the viewers to lose interest in the conversation and politics all together.

This wireless iPhone charger is a work of art 

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Developed as part of a diploma project by a University of Contemporary Design and Applied Arts (ECAL) student, Spira is a magnetic docking station that wirelessly restores power to an iPhone while turning the device into a decorative wall clock. Utilizing a blend of wood, metal and plastic, the Maker sought to devise an ambient frame that would enable a magnetized iPhone case to hang decoratively on the wall thereby giving it a “place of honor in the home atmosphere.”

Etching graffiti for those in the distant future

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As we look into the future, have you ever considered how you might communicate with your distant offspring — say 50,000 years from now? Well, German artist Lorenz Potthast has. The Maker has created what he calls a “positive vandalism machine,” for communicating with next generations. The Petroglyphomat is a portable, computer-operated milling cutter that can pass along messages by etching them into ancient monuments.

Long exposure photos reveal invisible motions in sports

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Canadian photographer Stephen Orlando has introduced a new way to visualize action sports through the use of LED lights and an Arduino. The technique reveals beautiful light trails, which are not artificially created using applications like Photopshop, and represents the actual paths of familiar objects.

This lamp mimics thunderstorms

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Richard Clarkson has created Cloud, an interactive lamp and speaker system out of an Arduino, fluffy cotton and cloth cord. According to the designer, the installation acts as both a semi-immersive lightning experience — or as a speaker with visual feedback — to mimic a thunderstorm in both appearance and entertainment.

Experiencing the Northern Lights with Arduino

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Many travelers consider the Northern Lights to be a mysterious phenomenon that is nearly impossible to explain to someone unless they have experienced it as well. French graphic designer Bertrand Lanthiez wished to bring that indescribable occurrence to the masses.

Brightening the Japanese waterfront 

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GwaGwa — a creative duo comprised of Makers Masamichi and Kozue Shimada — is known for a number of their innovative installation, hand drawing and stop motion animations. Most recently, the team was commissioned by Smart Illumination Yokohama 2014 to design “Colors of the Wind Way” along the Japanese city’s waterfront.

This talking foundation wants you to drink more H2O

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The Drink Up Fountain, a collaborative project between YesYesNo Interactive Studio and Partnership for a Healthier America, dispenses entertaining greetings intended to encourage everyone to drink more water more often. While the Drink Up device may look like a regular fountain, it sure doesn’t sound like one. When a drinker’s lips touch the water, the Arduino Mega-powered fountain utters phrases like “Refreshing, isn’t it” and “Your feeding one trillion thirsty cells right now,” thereby completing a circuit and activating its built-in speakers. Once the drinker pulls his or her head away from the water, the circuit breaks and the fountain stops talking.

Drawing on glow-in-the-dark surfaces with lasers

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An Instructables user named “ril3y” has devised a slick CNC single point projector that can draw on glow-in-the-dark surfaces with lasers, aptly named Laser Glow Writer. The gadget is driven by Arduino Due, which runs the TinyG CNC motion controller firmware. The SAM3X8E-based board then controls the two stepper motors (X and Y axes) in a coordinated fashion, while turning the small laser on/off. Currently, ril3y is converting SVG images to Gcode, and putting them up on some glow-in-the-dark vinyl.

Wearing your Wi-Fi signal

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Whereas a vast majority of us are in search of Wi-Fi signals on a regular basis, not many have been on a quest to visualize the networks that keep us connected in order to gain a better understanding of these wireless systems. In an attempt to do just that, architect Luis Hernan put together a psychedelic Kirlian Device capable of picking up on Wi-Fi signals and translating them into colored lights. Built around an Arduino and LED lights, the project was tasked with translating Wi-Fi networks into colors — red indicating the strongest signal and blue, the weakest.

A night at the museum — with robots

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For several nights back in August, four robots roamed around London’s Tate Britain, each streaming video to the masses. If it wasn’t cool enough to have bots navigate a museum in the dark, it got even cooler as people from all around the world were able to control their movements right from their computers. Built in collaboration with RAL Space, the nocturnal tour guides each featured an on-board Wi-Fi receiver, an Arduino, a Raspberry Pi unit, lights, sensors, a powerful electric motor, and of course, video streaming technology. The units maneuvered around the grounds using a sonar sensor and a custom 3D-printed enclosure.

Humanoid can drive its own car

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Aldebaran Robotics teamed up with RobotsLab to unveil a NAO robot that was able to autonomously drive a miniature BMW Z4. The vehicle was equipped with an integrated laser range finder linked to an onboard Ardduino, which was responsible for analyzing its surroundings and then relaying steering inputs to the NAO unit in the driver’s seat.

VormVrij unveils a lineup of clay-based 3D printers


This large 3D clay printer is ideal for potters, digital artists and Makers.


Plastics, metals, woods and even chocolates are among some of the materials currently being used by 3D printers today. While they may be great mediums for rapid prototyping, they simply won’t suffice for artists and craftsmen looking to create elaborate things out of clay. That was until now. Thanks to the duo of Dutch inventors Yao and Marlieke, who together make up the startup VormVrij, DIYers will soon be able to fabricate ceramic pieces faster than ever before.

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As we’ve previously covered on Bits & Pieces, VormVrij has been focused on using clay as an alternative to plastic filaments and debuted their first machine last fall. For those unfamiliar with this niche, typical ceramic printers can be a bit pricey when compared to more traditional polymer-based devices. Aside from that, these machines can require a considerable amount of time and attention to the recipe of the clay itself. Luckily, the startup has introduced a new process that is meant to replace the usual scenario where a sculptor creates a bust as the model sits or similar services where the model is scanned and printed.

The Netherlands-based duo has announced that they have released a new line of dual claystruder LUTUM 3D printers, which start at €4,655 ($5,065). Following in the footsteps of last year’s prototype, this family of devices all boast the same base and can print within a volume of at least 650mm x 700mm x 700mm. Yet, each of the four models possess varying extruder systems and clay tank sizes. The printers are all prepared for future updates as well, ranging from automatic nozzle cleaning systems to arm lights for better print vision.

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In terms of the clay system, the storage and pressure vessels are comprised of high-pressure plastic with a transparent tube that enables users to easily check clay levels. The maximum working pressure is 5 Bar (72psi) and the vessels are equipped with a pressure dial to ensure consistency during a print job, a pressure relief valve for safety, and a quick-snap air hose connector on top. The vessels come in two different sizes, 3.5 liters and 8 liters, depending on the amount of clay needed for the job.

The LUTUM series was designed with ease-of-use in mind. That being said, the printers each feature a single press-dial system and a 128 x 64 LCD screen. This unit includes SD support for standalone printing, as well as a USB connection on its front-panel for a direct computer interface. As in their predecessor, the printers are all based on Arduino Mega (ATmega2560) and RAMPS 1.4.

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Perhaps one critical attribute of the clay 3D printers is that they are considerably faster than any existing desktop machine. While it may take hours to devise a flower vase on a FDM or SLA 3D printer, for example, one of the LUTUM 3D printers can whip up one in a matter of minutes.

  • Printer size: 1040mm x 960mm x 1300mm
  • Print area: 650mm x700mm x 700mm
  • Print speed: 30mm/sec for rounded parts; 15mm/sec for cornered parts
  • Maximum print speed: 100mm/sec at 3mm extrusion width and 1.5mm extrusion height
  • Filament: Softened clay
  • Connectivity: USB, SD card
  • Software: All open-source, e.g. Slic3r, Pronterface and Repetier

Sound like something you’d like to have? Head over to the company’s official page to learn more.

This smart table listens and records your meeting conversations


This table produces Spark Notes-like transcripts during a meeting, eliminating the need to have to jot down every word.


The New York Times R&D Lab was first launched in 2006 as a way to forecast game-changing trends and technologies that will arise in the next three to five years, and then build prototypes to envision how those ideas will impact media’s future. Their latest invention, the aptly-dubbed Listening Table, is like any other piece of office furniture except for the fact that it can record only the most important, relevant moments from a meeting.

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Let’s face it, meetings and workshops can be dreadful. Beyond lengthy presentations and constant bickering, it can sometimes be a bit difficult to follow along amid all the chaos — a problem the Listening Table hopes to alleviate. As Gizmodo reports, the smart table merges both pervasive data collection and the Internet of Things into a brand-spanking new concept.

The four-foot-wide table is covered in 14 capacitive strips, while under its hood lies an Arduino Mega (ATmega2560) with a custom board, a Mac Mini that runs the server, an Android tablet and some simple cabling. As its name suggests, the accessory listens to you and your colleagues in real-time through a microphone located in the middle of the table using Android speech recognition. Surrounding the microphone is a series of moving LED lights, which indicate whether the device is listening to participants, while the edge of the table is outfitted with eight single-pixel thermal cameras that can determine who is talking or gesturing.

The Listening Table isn’t just recording what’s being said, it’s also capturing why it’s being said, and what’s important about it. Whenever a meeting participating touches one of the capacitive strips on the table, the system captures the audio and text transcription from the 30 seconds before and after the marker was triggered. When a meeting concludes, participants can see a high-level summary digest showing all the key discussion items. Meanwhile, a flat-screen TV located a couple of feet away displays the words as they are being spoken, each in varying shades. MAKE: Magazine notes that lighter, grayer words are deemed less relevant (“the,” “a,” and other articles), while key topics are solid black.

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In addition, the table features an on/off switch, which activates and disables its listening capabilities. With privacy in mind, all transcripts locally stored in its database are deleted every 28 days. Ultimately, the goal of the project wasn’t necessarily to create a product in the traditional sense, but instead to try to put different technologies in dialogue with each other in a single design.

It’s one thing to make a table that transcribes everything, and quite another to make a Table whose very appearance makes it obvious what it is doing. We believe you have to build something real — and live with it for a while — in order to really understand the durable impact of the technologies and strategies you’re working with,” the New York Times R&D lab concludes

Interested? You can read its entire write-up here, or head over to its official page here.

Creating a DIY Kerbal Space Program controller with Arduino


If you’re looking for another way to control your spacecraft other than with WASD keys, you’ll love this. 


Kerbal Space Program is a space flight simulation game that lets players design spacecrafts for a fictional race of green humanoids (called Kerbals), who have constructed a fully-furnished and functional spaceport (known as the Kerbal Space Center) on their homeworld Kerbin.

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Those looking for another way to control their spacecraft other than with their WASD keys may want to check out Kegan Holtzhausen’s latest project. The Maker has designed a KSP control console equipped with a joystick, multiple displays, and various buttons and switches that will meet any player’s possible command needs. The device, which he calls the Psimax CS40 Telemetric Joystick, was built with modularity in mind, allowing for control to be swapped in and out as necessary.

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Under the hood lie three Arduino boards: One Arduino Mega (ATmega2560) runs HoodLoader2 to provide joystick data over HID, another enables the buttons and switches to communicate with the game over KSP Serial IO, while an Arduino Due (SAM3X8E) is tasked with driving three LCDs. Furthermore, the Maker is currently working on OLED meters as well. When all was said and done, Holtzhausen housed the controller’s modules inside a Retex Abox enclosure and 3D-printed a number of the DIY console’s parts.

Intrigued? Then you’ll want to check out the Maker’s detailed build log here.

Print out breakfast with the newest version of PancakeBot


Pat-a-cake, pat-a-cake, Maker’s man. Print me a pancake as fast as you can. 


The very first version of the open source PancakeBot was designed way back in 2010 by Miguel Valenzuela. At the time, Valenzuela was inspired by a MAKE: Magazine feature on a British designer who devised a Pancake Stamping Machine using LEGO. Since then, the machine has become a Maker sensation, claiming the hearts and stomachs of everyone.

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The original bot was simply a CNC machine for a kitchen table, comprised of LEGO bricks, Mindstorms and a pair of ketchup bottles for the batter. As you can imagine with any automated device whipping up tasty treats, the initial video of Valenzuela’s PancakeBot 1.0 went viral, which encouraged the Maker to continue tinkering with the design.

The next iteration of the platform – which debuted at Maker Faire Bay Area 2014 – consisted of an acrylic body packed with Adafruit motor shields, an Arduino Mega (ATmega1280), two stepper motors, a pair of belt drives and a vacuum pump. The improved PancakeBot could be programmed to draw out any flapjack design, ranging from an Eiffel Tower to a portrait of the U.S. President. The printer simply squirted batter onto a hotplate so that, once the pancakes are done extruding, they’re ready to eat.

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Though wildly-popular among Makers, earlier models were never made available for sale. However, the PancakeBot team has now partnered with StoreBound to bring the robotic contraption to market via Kickstarter.

How it works is pretty straightforward: Simply think of a design and trace the image. The artwork files are stored on an SD card and loaded onto the machine. Upon hitting print, the PancakeBot begins to dispense the flapjack by drawing its outline first, followed by filling in the rest. Those not artistically-gifted can take comfort in knowing that the device also comes preprogrammed with a number of pictures.

The ATmega2560 based breakfast bot uses a proprietary system to extrude the ingredients as it glides over the griddle, while the combination of compressed air, a special vacuum and an onboard interface helps control batter flow.

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“Our included user-friendly software allows you to design your own pancake by tracing any image right on your computer. From your favorite piece of art or character, a child’s drawing, a product image or your company or team logo, the software creates the file and the PancakeBot does the rest. As the artist, you control what lines are drawn first, which in turn lets you determine the shading of the pancake.

Not only for in-home fun, Valenzuela notes that hotels, theme parks, restaurants and other dining establishments can benefit tremendously from PancakeBot as well. Through some creatively-branded breakfast food, businesses can leave a lasting impression on customers, while satisfying their appetites along the way. Who knows? Perhaps Disney will one day complement its Mickey waffles with some Goofy pancakes…

Interested in an on-demand pancake printer for your home? Hurry over to its official Kickstarter page, where PancakeBot is currently seeking $50,000. Delivery is expected to begin in July 2015. Need some syrup? Well, if previous Maker Faires serve as any indication, a corresponding automated maple syrup dispenser may not be too far away! Want to see what kind of impressive designs Makers have made for breakfast? Find an entire breakdown here!

3D printing your own remote-controlled Mars Rover


This DIY project is out of this world! 


Over the last couple of months, we’ve seen a number of objects successfully 3D-printed in zero-gravity by our friends at Made In Space in collaboration with NASA. These efforts are mere proof that 3D printing applications will soon transcend beyond just simple tools and small components, bringing us one step closer to future manned missions to Mars. Aside from professional endeavors, Makers have also taken part in exploring extraterrestrial use cases, ranging from an intergalactic-bound printer that could potentially enhance self-sufficiency for astronauts to autonomous bots capable of extruding in hostile environments using materials it finds.

And, if using additive manufacturing to create entire communities and sustain life in space are within reach, surely a 3D-printed rover is pretty realistic as well. Inspired by NASA’s Curiosity Rover, Maker Josef Vladik has built his own 3D-printed Mars Rover using a RepRap Rebel 2 and an Arduino Mega (ATmega2560).

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Controlled by a standard 4CH transmitter, the device features four standard channels, a 2S or 3S lithium polymer battery and 9G servos with metal gear modded for 360 degrees of rotation. Beyond that, the rover precisely traverses the terrain using its nine compact wheels, while mounted LED floodlights round out its realistic appearance from both the front and back.

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Think you’d like to give it a shot and make a rover of your own? You can find an entire breakdown of the build including parts and files here.

Shopping is about to get a whole lot smarter with connected carts


The carriage of tomorrow may reduce shopping times, cut down waiting in lines and offer a personalized experience. 


What do you do when you’re tired of having to schlep around a shopping cart aisle after aisle? You create an autonomous one that will carry out the tedious task for you! Or, you make them smarter at the very least.

Well, that’s what a pair of new projects have done, one by a team of students at Technion-Israel Institute of Technology, the other from UK product development group Cambridge Consultants. Not only will these come in handy as you make your way up and down the grocery store each week, it can keep you from having to stop mid-aisle for a free hand to check off an item on your list, and can even prevent the transmission germs during flu season. What’s more, it doesn’t have to be limited to marketplaces either. The cart can prove to be useful throughout airports, libraries, malls and college campuses.

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First, following a similar premise as we’ve seen floating orbs capable of following and replaying human activity before, Makers Ohad Rusnak and Omri Elmalech have devised a slick self-driven shopping cart using a 3D Kinect sensor, a 3D camera and an Arduino Mega 2560 (ATmega2560). Through the duo’s self-developed computer vision algorithm, the system’s 3D camera can accurately identify and follow the cart’s owner as they make their way about the supermarket, while the embedded Arduino is responsible for controlling all the movement, sensing and tracking.

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“I think in the future, a few years from now, we’ll see something like this in the supermarkets,” Rusnak says.

More recently, Cambridge Consultants showed off its latest connected cart concept that, by being fitted with low-cost sensors and Bluetooth Smart, can tell a retailer where you are in a store within three feet. The embedded technology, which would appear to be much more commercial-ready than the aforementioned project, can pinpoint the cart’s whereabouts so shop owners can offer location-based promotions and eliminate checkout lines in real-time. It also means fewer carts will leave the parking lot, too. For stores, this could drastically cut the multi-million-dollar annual cost of lost carriages as businesses could set alerts when they were being removed from their premises.

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“The latest innovation is a small device that fits on the wheel of each trolley – and doesn’t need batteries as it is powered via energy harvesting from the rotation of the wheel. Costs are kept to a minimum by using commercially available low-cost sensors and connectivity that allows the data to be managed on a hosted server,” the firm writes.

Aside from enabling stores to target customers with relevant offers as they browse the aisles, data from smart carts could be used by retailers to understand better what their customers decide not to buy – it could help highlight areas where customers stopped to browse but did not purchase anything. Privacy advocates may also take comfort in knowing that the cart is being tracked opposed to the shopper’s smartphone.

“This is the latest example of our work in the fields of connected devices, data analytics and integrated systems across a range of sectors and with clients around the world. Connected product development has a crucial role to play in securing – and maintaining – competitive advantage in the fast-moving retail industry,” Cambridge Consultants concludes.

We couldn’t agree more. This can and will be an extremely cool concept to see catch on. So, how long before we see these roaming robotic trolleys around your nearest Target, Wal-Mart and Kohl’s?

This RepRap 3D printer can play Beethoven


Watch this RepRap 3D printer perform Beethoven’s “Für Elise” using only motor sounds.


If you’ve ever used a 3D printer, you know all too well the distinct sound of the stepper motors as they rotate and change direction. Well, a Maker by the name of DeltaRAP recently decided to change that by modding his Atmel based RepRap 3D printer to emit the harmonic tunes of Beethoven. In fact, his machine could now play the world-renowned “Für Elise” in its entirety.

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Inspired by a video of a CNC milling machine making music from its motors, the Maker used g-code commands to convert the printer’s stepper motor movements into exact tonal sounds. After experiencing a few difficulties, DeltaRAP realized that his Rostock printer — which is powered by an Arduino Mega (ATmega1280) — could produce distinct tones after all, by moving the print head vertically. This would allow for a singular tone to play from the device, as it causes all three motors to move in unison.

“Delta style printers don’t rotate one motor if you tell them to move for example X axis by 10mm. The firmware instead recalculates the movement of each motor so the end result is the movement of the head by 10mm on X axis. The only movement that doesn’t have to be divided between all three motors is Z movement. We can use this knowledge to slightly modify the g-code and make [the] Delta printer a music player,” DeltaRAP writes.

Pretty cool, right? You read about the Maker’s entire mod here, and watch it in action below.

 

ATmega2560 powers this interactive robot orchestra


Artist creates a robotic orchestra that lets you conduct an algorithmic symphony with hand gestures.


Moscow-based artist Dmitry Morozov — commonly referred to as ::vtol:: — is no stranger to Bits & Pieces. From creating digitized images from air pollution to cyborg-like instruments, prolific Maker has unveiled some slick Arduino-based designs in recent months that combine both modern music, robotic concepts and a contemporary take on creative art. However, none may compare to his latest project: Nayral-Ro.

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Nayral-Ro is best described as an orchestra comprised of 12 different robotic manipulators, each of which equipped with a sound-transmitting speaker and placed onto a podium. When combined, the robotic arms form a single multi-channel symphonic sound. In order to interact with the orchestra, ::vtol:: used a Leap Motion controller to guide the robots and sound through simple hands gestures in the air, just as any conductor would lead an actual symphony.

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::vtol:: powered the design using an Arduino Mega (ATmega2560), a modified OWI-535, some servo motors and actuators, along with a 12-channel sound system. As for the software, the Maker turned to the Pure Data language and ManosOSC to turn hand gestures of various heights into both audio and visual control.

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When approaching the exhibit, a viewer must only wave their hands as if they were a magic wand to trigger the tiny robotic performers. Nayral-Ro features a algorithmic system, in which sound and musical composition are produced in real-time, while the acoustic environment changes simultaneously with the process of creating the musical piece.

“Due to constant displacement speakers in space, changing direction of the sound and the algorithms for generating compositions, the orchestra creates a dynamic soundscape,” Morozov explains.

At the moment, the piece is on display at the Garage Museum of Contemporary Art in Moscow. According to ::vtol::, future iterations are in the works. Perhaps when put into the hands of musicians, this could yield even more symphonic sounds. Intrigued? Learn all about the Maker masterpiece here, or see it in action below.