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BDD RELAY BOARD 1CH 3.3V
3,3V 1 Channel High/Low Level Triger Relay Module with Optocoupler
1 Channel High/Low Level Triger Relay Module
Features
- Fault-tolerant design, even if the control line is broken, the relay will not move;
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 | 1 Channel | High/Low | Level Triger |
$0.40
Original: $1.33
-70%BDD RELAY BOARD 1CH 3.3V—
$1.33
$0.40Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
3,3V 1 Channel High/Low Level Triger Relay Module with Optocoupler
1 Channel High/Low Level Triger Relay Module
Features
- Fault-tolerant design, even if the control line is broken, the relay will not move;
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 | 1 Channel | High/Low | Level Triger |
