Picture of Arduino 4-Channel Relay Module - Control Board with Optocoupler - Four Relay Outputs for Various Applications and Automation Blue
Picture of Arduino 4-Channel Relay Module - Control Board with Optocoupler - Four Relay Outputs for Various Applications and Automation Blue
Picture of Arduino 4-Channel Relay Module - Control Board with Optocoupler - Four Relay Outputs for Various Applications and Automation Blue
Picture of Arduino 4-Channel Relay Module - Control Board with Optocoupler - Four Relay Outputs for Various Applications and Automation Blue

Arduino 4-Channel Relay Module - Control Board with Optocoupler - Four Relay Outputs for Various Applications and Automation Blue

Category: Electrical Accessories
SKU: FRDC916994
Seller: FRIENDS COLLECTION
Tk 360
0 review(s)
  • High-quality and durable
  • Easy to use and practical
  • Suitable for daily use
  • Modern and stylish design
  • Great value for money

Call For Order : 09613-800800
  • The new 12V Relay Module
  • Can be used as microcontroller development board module can be used as home appliance control
  • 12 V-12V to TTL control signal
  • The control signal DC or AC, 220V AC load can be controlled.
  • There is a normally open and one normally closed contact
  • A power indicator light
  • A control indicator, pull off, disconnect does not shine
  • Transistor drive to increase the relay coil control pins high impedance.
  • The control pin has a pull-down circuit to prevent malfunction relay vacant.





  • High-quality and durable
  • Easy to use and practical
  • Suitable for daily use
  • Modern and stylish design
  • Great value for money
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