1 channel relay module,5v low level

1, the module uses Songle relay control, maximum AC voltage 250V, AC current maximum 10A, maximum DC voltage of 30V, maximum DC current 10A;


2, using 8550 transistor drive, driving ability;


3, operating voltage 5V, Vcc pin is 5v input


4, a fixed bolt holes for easy installation

Instructions for use:


1 VCC external 5V


2 GND External GND


3 1N1 relay control interface connected to MCU IO port (active low)