4 Channel Relay Module

350.00

5V 4 Channel Relay Module for Arduino 4 way Relay Board

Category: SKU: 18 Tags:

Description

  • 5V 4-channel relay output modules
  • Input IN1, IN2, IN3, IN4
  • the signal line LOW effective
  • VCC, GND power input
  • support all MCU control.
  • the industrial sector;
  • smart home control

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