Traffic Light Conference Badge by Liz Clark published May 24, 2022, last edited January 15, 2025 posted in LEDs 3D Printing Wearables CircuitPython STEMMA 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. Download Overview Circuit Diagram 3D Printing CircuitPython Coding the Traffic Light Conference Badge Solder the ESP32-S2 and Lipoly Charger BFF Wiring Assembly Usage Single page Feedback? Corrections? Featured Products view all Adafruit QT Py ESP32-S2 WiFi Dev Board with STEMMA QT $12.50 Add to Cart Your browser does not support the video tag. Adafruit LiIon or LiPoly Charger BFF Add-On for QT Py $4.95 Add to Cart Your browser does not support the video tag. Mini Traffic Light - 6.5cm tall $6.95 Add to Cart Soft Silicone Top 6mm Push-buttons (20-pack) $2.50 Add to Cart Lithium Ion Polymer Battery Ideal For Feathers - 3.7V 400mAh $6.95 Add to Cart STEMMA QT / Qwiic JST SH 4-pin to Premium Male Headers Cable $0.95 Add to Cart Silicone Cover Stranded-Core Wire - 30AWG in Various Colors Add from Store Multi-Colored Heat Shrink Pack - 3/32" + 1/8" + 3/16" Diameters $4.95 Add to Cart 4 Beginner Project guide Assembly Push the button into the side cutout in the badge case. Insert the QT Py ESP32-S2 into the holder in the bottom lid of the case. Plug a lipo battery into the LiPo BFF board. That completes the assembly! Page last edited March 08, 2024 Text editor powered by tinymce. Wiring Usage