DHT22 Digital Temperature & Humidity Sensor Module | High-Precision Arduino-Compatible
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£24.99inc VAT
The AM2302 DHT22 digital temperature and humidity sensor module delivers precise environmental monitoring for your Arduino projects. It features a wide measurement range of -40°C to 80°C with ±0.5°C a...
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Questions about this product
- Does the DHT22 work with Arduino and ESP boards?
- Yes. It talks over a single-wire digital interface and works with Arduino, Raspberry Pi, ESP8266, and ESP32. The 3-pin layout is VCC, DATA, and GND. It runs on 3.3V to 5.5V, so most boards power it directly.
- How accurate is it and what range does it read?
- It reads temperature from -40C to 80C at about plus or minus 0.5C. Humidity covers 0 to 100% RH at roughly plus or minus 2%. Use it in non-condensing environments for reliable readings.
- What projects is this sensor good for?
- It suits home automation, weather stations, and environmental data loggers. The wide range handles spots from freezers to greenhouses. Its long-term stability makes it a solid pick for permanent installs.
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