Tag is high level trigger
Relay&Relay Module 1 road with a coupler relay module,Expansion board high level trigger 5V/9V/12V/24V
Product description:
1 , the module complies with international safety standards, the control area and the load region isolation trench ;
2 , the module with opto isolation , triggering more reliable, more stable ;
3 , using double-sided FR-4 circuit board design , high-end chip producti...Read More
1 road with a coupler relay module high level trigger 
Relay&Relay Module 1road relay module expansion board,High level trigger 5V/9V/12V/24V
Product description:
1 , the module complies with international safety standards, the control area and the load region isolation trench ;
2 , using double-sided FR-4 circuit board design , high-end chip production process ;
3, using loose music authentic relay control ;
4, with power supp...Read More
1 road relay module, High level trigger 
Relay&Relay Module 2-way relay module with opto isolation,Expansion board high level trigger 5V/9V/12V/24V
2-way relay module with opto isolation,Expansion board high level trigger 5V/9V/12V/24V
Product description:
1 , the module complies with international safety standards, the control area and the load region isolation trench ;
2 , using double-sided FR-4 circuit board design , high-end c...Read More
2-way relay module with opto isolation, high level trigger 
Relay&Relay Module 2-way relay module expansion board, high level trigger 5V 9V 12V 24V
2-way relay module expansion board, high level trigger 5V 9V 12V 24V
Product description:
1 , the module complies with international safety standards, the control area and the load region isolation trench ;
2 , using double-sided FR-4 circuit board design , high-end chip productio...Read More
2 -way relay module, high level trigger 
Relay&Relay Module 4 channel relay module with opto isolation, expansion boards high level trigger 5V/9V/12V/24V
Product description:
1 , the module complies with international safety standards, the control area and the load region isolation trench ;
2 , using double-sided FR-4 circuit board design , high-end chip production process ;
3 , part of the relay contacts using double-sided bold wiring , safe and ...Read More
4 channel relay module with opto isolation , high level trigger 
