4 Channel Relay Module With Light Coupling 5V

4 Channel DC 5V Relay Module with Optocoupler for Arduino UNO AA026 Product Description 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....

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Product Details

4 Channel DC 5V Relay Module with Optocoupler for Arduino UNO 

AA026

Product Description

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. 


Uses: 

1, support all MCU control. 

2, the industrial sector; 

3, PLC control; 

4, smart home control; 


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