Precision Digital Temperature & Humidity Sensor Module (DHT22)
EGP 285
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This is DHT22 is a digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Compared to the DHT11 , this sensor is more precise, more accurate and works in a bigger range of temperature/humidity. Features 3 to 5V power and I/O. 2.5mA max current use during conversion (while requesting data). Good for 0-100% humidity readings with 2-5% accuracy. Good for -40 to 125°C temperature readings ±0.5°C accuracy. 0.5 Hz sampling rate. Temperature and humidity sensor arduino code and how to connect . DHT22 Temperature and humidity sensor datasheet .
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