This relay module is 5V active low. Relay output maximum contact is AC250V 10A and DC30V 10A.
The standard interface can be directly connected with microcontrollers.
Working status indicator lights are conducive to the safe use
4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipment with large current.
Widely used for all MCU control, industrial sector, PLC control, smart home control.
4-channel relay output modules, relay output contacts 250A 10A.
Input IN1, IN2, IN3, IN4, the signal line LOW effective.
VCC, GND power input, can relay a separate power supply relay power input of JD-VCC.
1, support all MCU control.
2, the industrial sector;
3, PLC control;
4, smart home control;