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Temperature Humidity Sensor Module - Black + White
Brand N/A Model 2302 Quantity 1 Color Black + White Material Plastic + iron Features Working voltage: DC 3.3~3.5V; Humidity range: 0~100%RH; Accuracy: +/- 2%RH; Temperature range: -40~80'C; Accuracy +/- 0.5'C; Unibus digital signal output; Serial bidirectional data port. Specification Black: Ground; Red: positive power supply DC9V; White: Relay normally open; Blue: relay common Application For your DIY project English Manual/Spec Have Other Simple Test Method: Hold down the test button 3S£¬ light starts flashing£¬ the relay normally open relay with common terminal connected. Can also be smoking cigarettes£¬ the smoke blowing maze£¬ 3S so light starts flashing£¬ the relay£¬ the relay normally open to the common terminal connected Packing List 1 x Module 1 x DuPont line 20cm