Light-Activated Pixel Heart by Becky Stern published February 26, 2014, last edited January 22, 2025 posted in Arduino Compatibles/ Adafruit GEMMA Wearables Save New Favorite × Please sign in to include this guide in your list of favorites. You will be redirected back to this guide once you sign in, and can then save this guide as one of your favorites. Link Note Download Overview Stitch Circuit Arduino Code CircuitPython Code Stitch Circuit Part 2 Wear it! Circuit Diagram Single page Feedback? Corrections? Text View Featured Products view all Adafruit GEMMA v2 - Miniature wearable electronic platform $9.95 Add to Cart Your browser does not support the video tag. Adafruit GEMMA M0 - Miniature wearable electronic platform $9.95 Add to Cart Flora RGB Smart NeoPixel version 3 - Pack of 4 Out of Stock Lithium Ion Polymer Battery - 3.7v 100mAh $5.95 Add to Cart Adafruit Micro Lipo - USB LiIon/LiPoly charger $5.95 Add to Cart Photo cell (CdS photoresistor) $0.95 Add to Cart Pocket Autoranging Digital Multimeter $24.95 Add to Cart Gemma M0 Starter Pack Out of Stock 39 Beginner Project guide Circuit Diagram NeoPixels are chained together with data input coming from GEMMA D1, all + to Vout and all - to GND. Photoresistor is attached to D2 and GND. Page last edited January 21, 2015 Text editor powered by tinymce. Wear it!