Product Details
3,3V 2 Channel High/Low Level Triger Relay Module with Optocoupler
High/Low Level Triger Relay Module
Features
Specifications
- Module interface:
- DC+: Connect to the positive pole of the power supply (voltage is relay 3.3V)
- DC-: Connect to the negative pole of the power supply
- IN: The relay can be controlled by high or low level
- Relay output:
- NO: Relay normally open interface, before the relay is vacant, it will be shorted to COM after picking up
- COM: Relay Common Interface
- NC: Normally closed relay interface. Before the relay is closed, it is short-circuited with COM.
- High and low level trigger selection:
- S1 is the high and low level trigger selection of relay 1;
- When com is shorted to low, the corresponding relay is a low level trigger. When com is shorted to high, it is a high level trigger
Additional Information
| Device | Relay Module |
| Type | High/Low | Level Triger |