The standard interface of the relay board that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic active low).
VCC, GND power input terminal, It can be relayed Separate power supply relay power input JD-VCC，Standard interface can be directly connected with microcontrollers.
It can also control various electrical appliances and other high-current equipment, can be directly controlled by various microcontrollers such as Arduino, AVR, PIC, ARM, PLC.
Support all microcontroller control, Industrial field,PLC control,Home intelligent control .
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