Aqara makes a range of HomeKit-compatible smart home devices for multiple regions around the world. This review takes a look at four of Aqara's latest products, including its Temperature and Humidity ...
Tired of condensation wrecking your shed tools or greenhouse gear? I built a no-frills ESP32 + DHT22 node that wakes every 15 minutes, grabs temp/humidity data, beams it over Wi-Fi, and sleeps—running ...
The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...
This tiny, inexpensive microcontroller makes it easy to build reliable, room-by-room Home Assistant sensors without paying the smart home tax.