An Uno-based robot chameleon

A Maker by the name of MarkusB recently created a color-changing chameleon robot for his daughter to help illustrate the concept of camouflage.

“My daughter and me continued to study our animal encyclopedia. We found the chameleon,” MarkusB wrote in a blog post describing the project. “I tried to explain [to] her that some species adjust their colors for camouflage in accordance with the vision, but she did not understand, so I built a simple robot chameleon during her afternoon nap.”

The fairly simple circuit includes an Arduino Uno (ATmega328), a TCS3200 color sensor with breakout board, a ping pong ball, resistors and an RGB LED.

The entire build cost a grand total of $10 (excluding the Arduino) and took only two hours to complete. For the next iteration of the robot chameleon, MarkusB will be adding a temperature sensor as a well as a capacitive sensor for touch.

“My daughter is very excited about the little robot chameleon and played a long time with it,” he added. 

”She now understands that some chameleons adjust their colors for camouflage in accordance with [their surroundings] and she learned some names of colors in different languages (German and English).

Interested in learning more about the Uno-based robot chameleon? You can check out MarkusB’s blog post here and HackADay’s write up here.

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