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Description:
Humidity Switch Relay Module Humidity Control Switch Module. Humidity power supply 5V, relay part can control 220V home electronical equipment. Very
Features:
1 . 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 : 50x26x19mm, four 3mm mounting holes for installation
How this module works:
When the environment temperature reaches the setting value, the relay module output NO and COM, this means the replay is on, power is on; if the temperature lower than the setting value, the relay will output COM and NC port, this means no power output via the relay.
More items here: https://www.facebook.com/1tronics/shop?rid=585075221652332&rt=9
This seller has been a member since: Nov. 06, 2015
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Total Classifieds: 35
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