Circuit Playground Color Sensor by adafruit

Use the light sensor + RGB NeoPixel to detect any color material and set another NeoPixel to that color

Embed This Sketch

Use the following HTML code to embed the sketch code above in your blog or website.

<iframe style="height: 510px; width: 100%; margin: 10px 0 10px;" allowTransparency="true" src="https://codebender.cc/embed/sketch:356723" frameborder="0"></iframe>

Embed The Serial Monitor

You can also embed the Serial Monitor section! Just use this HTML code.

<iframe style="height: 510px; width: 100%; margin: 10px 0 10px;" allowTransparency="true" src="https://codebender.cc/embed/serialmonitor" frameborder="0"></iframe>