2pcs Single Channel 12V LOW LEVEL Trigger Relay Module 1-Ch Control Board
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- 2 Pieces.
- 2pcs Single Channel 12V LOW LEVEL Trigger Relay Module 1-Ch Control Board.
- Low trigger means is the voltage between the signal input terminal and the ground for the OV trigger mode can be understood as a way of the signal input terminal and GND negative short trigger..
- The module complies with international safety standards, control area load area isolation groove.
- With the power and relay action instructions, pull bright disconnect does not shine.
- When a signal in the signal input terminal, the common terminal and the normally start conduction.
- Microcontroller development board can be used as a module that can be used as a home appliance control.
- The control of the DC or AC signal, can control 220V AC load.
- There is a normally open and a normally closed contact.