Just put your mug on the coaster, and the weight of it activates a hidden switch, which causes the ... paired this easy-to-use sensor with an Arduino Nano and five LEDs that show how hot a ...

The Nano ESP32 supports both Micropython and Arduino programming languages, providing a clear path for those already familiar with one platform to easily switch back and forth as needed.

Controlling this is a single Arduino Nano connected to a pair of A4988 drivers, a MOSFET for driving the magnet, and two limit switches for homing.” Watch this video on YouTube. “The game is ...