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Temperature and Humidity Sensor DHT21

Temperature and Humidity Sensor DHT21
Temperature and Humidity Sensor DHT21
Temperature and Humidity Sensor DHT21
Temperature and Humidity Sensor DHT21
Temperature and Humidity Sensor DHT21
Temperature and Humidity Sensor DHT21
Temperature and Humidity Sensor DHT21
Temperature and Humidity Sensor DHT21
Temperature and Humidity Sensor DHT21
  • Availability: In Stock
  • Weight: 0.02kg
  • Package Size: 6.50cm x 4.00cm x 1.30cm
  • SKU: ELE-SEN-040
$6.00
Ex Tax: $6.00
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Features:
The DHT21 (AM2301) is a fully calibrated digital sensor for accurate temperature and humidity measurement. It combines capacitive humidity sensing and NTC thermistor technology with a built-in MCU. With strong anti-interference, low power use, and long transmission range, it’s ideal for environmental and industrial applications.

Specifications:
  • Model: DHT21 (AM2301)
  • Humidity range: 0% to 100% RH
  • Humidity accuracy: +-3% RH
  • Humidity resolution: 0.1% RH
  • Temperature range: -40C to +80C
  • Temperature accuracy: +-0.5C
  • Temperature resolution: 0.1C
  • Response time: <=2s
  • Interface: Single-wire serial (up to 20m)
  • Supply voltage: 3.3V to 5.2V (recommended 5V)
  • Operating current: ~1.5mA during sampling
  • Package: 3-pin single row (VDD, SDA, GND)

We offer fast worldwide shipping with reliable service. Orders are processed within 12h and delivered in:

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  • International:
    3–10 working days (fees depend on weight/volume).

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