A typical chinese 5v control relay module, you can select to control each relay from a High or Low signal (using the jumper) by default set to high.
DANGER, DANGER, HIGH VOLTAGE
If you do not know what you are doing, you should not be playing with mains voltage! Mains voltage can kill you quick as a wink!
Know what you are doing, and how to do it safely!
Connections as follows:
(repeats for each of the relays on multi-relay modules)
Each relay can be set to operate in H or L mode with a jumper, H mode, a High input will close the relay, in L mode, a Low input will close the relay, in either state a High Impedence should not close the relay.
Mounting holes fit M3 screws
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