3V 3.3V 1-channel 2-channel 4-channel relay module low level trigger with light relay output 4-channel relay module for Arduino

Product selling points:

1. The module adopts relay control, the maximum AC voltage is 250V, the maximum AC current is 10A, the maximum DC voltage is 30V, and the maximum DC current is 10A;

2. It is driven by 8550 triode, with strong driving ability;

3. Equipped with fixing bolt holes for easy installation

4. Power indicator (green), four-way relay status indicator (red)

5. The blue KF301 wiring terminal is more convenient to connect to the control line.

Instructions for use:

1 VCC external 3V

2 GND External GND

3 1N1-1N4 Relay control interface Connect to MCU IO port (low level active)

List:

Relay module*1