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DHT22 Sensor

The DHT22 is a low-cost digital temperature and humidity sensor. It provides calibrated digital output for accurate environmental monitoring in Arduino and IoT projects.

DHT22 Sensor
₹107.72Buy Now

Specifications

Model: DHT22 (AM2302) Operating Voltage: 3.3V - 6V DC Operating Current: 0.3mA (measuring), 60µA (standby) Output Signal: Single-bus digital Temperature Range: -40°C to 80°C Temperature Accuracy: ±0.5°C Humidity Range: 0% - 100% RH Humidity Accuracy: ±2% RH (Max ±5% RH) Resolution: 0.1°C, 0.1% RH Response Time: 2 seconds Dimensions: 14mm x 18mm (approx) Pins: 4 (VCC, Data, Not Connected, GND)

Details

The DHT22 (also known as AM2302) is a versatile and reliable digital sensor designed for measuring ambient temperature and relative humidity. It utilizes a capacitive humidity sensor and a thermistor to provide accurate readings via a single-bus digital signal. With an operating voltage range of 3.3V to 6V DC, it is highly compatible with popular microcontrollers like Arduino, ESP32, and Raspberry Pi. The sensor offers a temperature range of -40°C to 80°C and humidity measurement from 0% to 100% RH, making it suitable for various environmental monitoring applications. Its compact design and easy integration make it an ideal choice for hobbyists, students, and professionals working on weather stations, home automation, and HVAC systems. Choose the DHT22 for a cost-effective solution that does not compromise on performance or reliability.

Tags

temperature sensorhumidity sensordigital sensorArduinoIoTAM2302environmental monitoring

Alternatives

  • DHT11
  • AM2302
  • SHT31
  • BME280
📄 View Datasheet