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DHT21 / AM2301 Temperature & Humidity Sensor

DHT21 / AM2301 Temperature & Humidity Sensor

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Regular price $6.00 USD
Regular price $7.00 USD Sale price $6.00 USD
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AM2301 ( DHT 21 / AM 2301 ) Capacitive Digital Temperature & Humidity Sensor sensor is one of the commonest from the range of DHT temperature sensors. It boasts a relatively high-temperature measurement accuracy of 0.5°C in 0.1°C steps with a relative humidity accuracy of ± 3%.

It has only 3 wires, including power and ground, meaning only one digital pin is required to interface it to a microcontroller.

Specifications:

  • Power supply: 3.3-5V DC
  • Output signal: digital signal via single-bus
  • Sensing element: Polymer humidity capacitor
  • Measuring range: humidity 0-100%RH, temperature -40~80Celsius
  • Humidity hysteresis: +-0.3%RH
  • Long-term Stability: +-0.5%RH/year
  • Sensing period: Average: 2s
  • Dimensions size: 59*27*13.5mm

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