High Quality 4 Channel Relay Board to be used with any Microcontrtoller.
4-channel relay output modules, relay output contacts 250V 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.
Relay output contacts: 250v 10A.
USE: Connect 5V and Gnd to Relay Board, Connect Microcontroller output pins to IN1, IN2, IN3, IN4.
10cm x 10cm x 10cm (3.94in x 3.94in x 3.94in)
NOTE: The digital inputs from Microcontroller are Active LOW: The relay actuates and an LED lights when the input pin is HIGH, and turns off on LOW.
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