AM232X Arduino library for AM2320 AM2321 and AM2322 I2C temperature and humidity sensor.

Last year we built a drone using ESP32 and our community loved it. Since then the project has evolved and the drone is now ...

Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

Add to that a microSD slot, speaker driver, RGB LED, light sensor circuit, and spare GPIOs, and you’ve got a surprisingly complete development kit. Power comes over USB ... and build up to full ...