2pcs DHT21 AM2301 High Precision Capacitive Digital Temperature Humidity Sensor Module DHT21 Digital Temperature and Humidity Sensor Modules for Arduino

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About This Operating Voltage:DC3.3 V~5.2 V;Humidity range:0%~99.9%;Temperature range:-40℃~80 ℃ Humidity measurement precision: ±3%RH;Temperature measurement precision: ±0.5℃ Applic ation:Suitable for test and inspection equipment,medical,automobiles,automatic controls,home appliances,humidity regulators DHT21 AM2301:Standard digital single bus output,long-term stability,high-precision Feature:With long transmission distance,automatic calibration and strong anti-interference ability Show more