Description

Sensor DHT22 temperature and humidity measurement module

Parameters of the DHT22 sensor

• Supply voltage: from 3.3 V to 6 V
• Communication: single bus
• Average current consumption: 0.2 mA
• Sensor module: SHTC3

Temperature

• Measurement range: -40 to 120 °C
• Resolution: 8-bit (0.1 °C)
• Accuracy: ± 0.2 °C
• Response time: 2 s on average

Moisture

• Measuring range: 0 – 100 % RH
• Resolution: 8-bit (±0.1 % RH)
• Accuracy ±2 %RH*
• Response time: 2 s on average

Important links

• Libraries for Arduino –