The 4 Road/Channel Relay Module (with light coupling) 12V operates by using optical coupling isolation to trigger the relay. It has high-end SMT process and double FR-4 circuit board design for reliable and stable triggering. The module is designed with isolation grooves for safety.
Arduino
AVR
PIC
ARM
Do not exceed the specified operating voltage of 12V.
Use high-level trigger for positive voltage triggering and low-level trigger for negative voltage triggering.
Use the provided high-quality screw terminals (Terminal Block) for quick and easy wiring. Connect input signal pin to Burg stick for easy accessibility.
20
72
55.5
