Hi
I have just purchased a 5V WiFi Single Chanel Relay and want to know what the connectors are for , as in the attached photo .
I know the GND /VCC , and I guess the CK/COM/CB are NC or NO Contacts ! , but not sure what the HC is for .
Cheers
spike
I have just purchased a 5V WiFi Single Chanel Relay and want to know what the connectors are for , as in the attached photo .
I know the GND /VCC , and I guess the CK/COM/CB are NC or NO Contacts ! , but not sure what the HC is for .
Cheers
spike
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