How-To Geek on MSN
6 smart home devices you can build for cheap with an ESP32 board
ESP, easy as ABC.
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 ...
In Thailand, smoke pollution caused by slash-and-burn agriculture has become a serious social problem, but many people cannot afford to purchase an air quality sensor that costs more than tens of ...
Food Drink Life on MSN
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 ...
Temperature and humidity measurements are a nice addition to many hobby projects. But [Rajendra Bhatt] makes the point that many of these sensors have a price tag that is well above what most ...
This humidity sensor consists of 2 copper conductors that are located at small distance from each other. The relay switches as soon as the moisture makes a connection that is more or less electrically ...
TSL235R is an eternal light-to-frequency converter, and its sensors are widely used as light sensor heads in today’s advanced microcontroller projects. The TSL235R converter combines a silicon ...
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