Grove – DHT22 is a high accuracy temperature and humidity sensor based on the DHT22 module (also known as AM2302 or RHT03). High-cost performance and high precision make it ideal for temperature and humidity monitoring of Arduino and Raspberry Pi, you can also use it to make a thermometer and hygrometer.
The DHT22 includes a capacitive humidity sensor and a high precision temperature sensor. The range of humidity sensor is 0 to 99.9 %RH with ±2% accuracy while the temperature sensor ranges from -40 to 80℃ with ±0.5℃ accuracy. With the help of a built-in 8-bit microcontroller, the DHT22 converts the analogue output of those two sensors to the digital signal, and outputs both temperature and humidity data via a single pin.
Getting started with SeeedStudio Grove Temperature&Humidity Sensor Pro
Features:
- Small
- Very sensitive
- Energy efficient
- Maximum response time of 20 seconds
- Measures temperature between -40 and 80 °C (+/- 0.5 °C)
- Measures humidity between 5 and 99% (+/-2%)
Package Includes :
1 x SeeedStudio Grove Temperature&Humidity Sensor Pro
1 x JST cable
1 x User Manual
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