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1 Pieces - Humidity switch Relay Module Humidity Controller Arduino #3102 c9

1 Pieces - Humidity switch Relay Module Humidity Controller Arduino #3102 c9

$ 14.95

Package Includes 

1 Piece -  Humidity sensor


Module Features: 

1, Using high-quality HR202 humidity sensor; 

2, The comparator outputs directly drive relays, or other devices connected to 220V AC; 

3, Adjust the temperature distribution position detection threshold 

4, The sensor interface can be installed pin, plus humidity sensor with leads; 

5, The circuit board dimensions as: 50x26mm, thickness 19mm, has four 3mm bolts holes

Electrical parameters: 

Supply voltage: 12v

Current: more than 150mA 

Maximum load: 250V 10A AC or 30V 10A DC,

Module for use: 

1, the humidity sensor most sensitive to environmental humidity, generally used to detect ambient humidity; 

2, when the module is in the ambient humidity exceeds the set threshold, the relay, often beginning with a common terminal connected, when the ambient humidity is below the set threshold, the relay off, the common terminal and the normally closed terminal connected; 

3, common, normally open, normally closed three ports is equivalent to a dual-control switch, relay coil power, often beginning with a common terminal conduction, when there is no electricity, common and normally closed terminal conduction;

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