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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6 smart home devices you can build for cheap with an ESP32 board
ESP, easy as ABC.
If you want to add humidity and temperature sensors to your home automation sensor, you can — like [Maker’s Fun Duck] did — buy some generic ones for about a buck. For a dollar, you get a little ...
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 ...
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 ...
Jeppe Djernes Sinding, area sales manager at dol-sensors, recently spoke to The Poultry Site’s Sarah Mikesell at IPPE 2026 in ...
Here's how to take advantage of the temperature and humidity sensors in HomePod 2 and HomePod mini. Photo: Ed Hardy/Cult of Mac HomePod 2 and (surprise!) HomePod mini both include temperature and ...
Würth Elektronik has shrunk a humidity sensor into a 1.5 x 1.5 x 0.5mm 5pad DFN package. Called 2525020210002, it works over 0 – 100% relative humidity, typically to within ±1.8%RH (±3.5%RHmax) over ...
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