This is the 3V 1 channel relay module with optocoupler isolation
1 relay output module, max load AC 250A 10A, DC 30V 10A
VCC, GND power input,with optocoupler isolation
Low level trigger,stable performace
Widely used in SCM control, PLC control, home intelligent control,industry etc
Power interface:
VCC: connected to positive pole of power supply (3.3V)
GND: connected to negative pole of power supply
IN: high level control relay pull in
Load interface:
NO: normally open interface of relay, the relay is suspended before closing, and is short circuited with com after closing
COM: relay common interface
NC: normally closed interface of relay, the relay is short circuited with com before closing and suspended after closing
Jumper Caps:
JP1 is used to connect VCC of the signal terminals and V+ of the relay.
JP2 is vned to connect GND of the signal teminals and V+ of the relay. The high-level signal that over 1.5V to IN can trigger the relay.
Package include:
12 x 1 channel 3v relay board