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 ...
Spring showers may bring flowers and sunlit afternoons, but they also bring moisture that creeps into walls, ceilings and ...
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 ...
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Apple unveiled the HomePod Mini in November 2020, and not long ...
This tiny, inexpensive microcontroller makes it easy to build reliable, room-by-room Home Assistant sensors without paying the smart home tax.
The HomePod is back from the dead, and fortunately, it’s not just a zombie version of the original HomePod. Among the new features is one that is hidden in the HomePod mini but not actually active: a ...