If you want to get started with motion sensors and the like, ESPHome makes it incredibly easy to build your own sensors.

Posted in Arduino Hacks Tagged air pollution, air quality, arduino, nova pm sensor, pm10, pm2.5, pollution ← ...

Versions The higher-end R4 WiFi version comes with an Espressif ESP32-S3 module for Wi-Fi and Bluetooth LE connectivity, and a 12×8 red LED matrix is present for basic animations or for plotting ...

Arduino has created a Renesas RA4M1 microcontroller board in its Nano form-factor. Called Nano R4, it follows the Uno R4, the first Arduino to use the RA4M1. “Whether you’re working on a connected ...

I've just come across a no-name non-contact, high-precision 80 GHz mmWave radar sensor for liquid level detection with a 40m ...

Note: Aqara provided MacRumors with a Wireless Remote Switch H1, Smart Wall Switch H1, Temperature and Humidity Sensor, and ‌M2‌ Hub for the purpose of this review.

Electromagnetic interference problems can be a real headache to debug. If you need to prove what causes your WiFi to slow down or your digital TV signal to drop, then the ability to measure electro… ...