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 ...
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Smart sensors catch spring humidity before mold takes over
Spring showers may bring flowers and sunlit afternoons, but they also bring moisture that creeps into walls, ceilings and ...
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 ...
Now this is proof that smart home tech doesn’t have to be expensive ...
Relative humidity, or RH, is the percentage of moisture in the air referenced to the maximum level of moisture the air can hold at that temperature and pressure. Early humidity sensors used natural ...
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 ...
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