DHT22 AM2302 Digital Temperature and Humidity Sensor (High Accuracy Digital Humidity Sensor)

The DHT22 AM2302 is a digital temperature and humidity sensor designed for measuring relative humidity and temperature with calibrated digital output. It integrates the sensing element and signal processing circuitry into a single sensor, requiring no additional external components for basic operation. The sensor provides reliable digital measurement and is suitable for embedded systems, weather monitoring, and environmental sensing applications.

Key Features -

• Digital temperature and relative humidity measurement

• Ultra-low power consumption

• No additional components required for basic operation

• Factory-calibrated digital output

• Good humidity measurement accuracy

• Temperature measurement accuracy up to ±0.5C

• Long-distance signal transmission capability

• Completely interchangeable sensor design

• Integrated sensing and digital signal processing

• Easy interface with microcontrollers

Specifications -

• Model: DHT22 / AM2302

• Sensor Type: Digital Temperature and Humidity Sensor

• Measurement: Relative Humidity and Temperature

• Humidity Measurement Precision: ±2% to ±5% RH

• Temperature Measurement Precision: ±0.5C

• Output Type: Digital

• Calibration: Factory Calibrated

• External Components: Not required for basic operation

• Signal Transmission: Suitable for relatively long-distance connections

• Power Consumption: Ultra-Low Power

Applications -

• Arduino temperature and humidity monitoring

• ESP32 and microcontroller projects

• Weather monitoring systems

• Environmental monitoring

• Home automation

• HVAC monitoring

• Greenhouse monitoring

• Data logging systems

• IoT environmental sensors

• Industrial and laboratory monitoring