A new guide today in the Adafruit Learning System: Traffic Light Conference Badge
When you’re out and about at a convention or conference sometimes you want to be a social butterfly, but other times you’d prefer to float anonymously amongst the crowds. In this project, you’ll build a conference badge utilizing a tiny traffic light that you can use to symbolize to the world your socializing preferences in the moment.
This project will show you how to use light_sleep in CircuitPython on the QT Py ESP32-S2 to conserve battery life and give you some ideas for using paint and diorama supplies to add detail to your 3D prints.
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