1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino Raspberry Pi Review

1 2 4 8 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for arduino Raspberry Pi

  • Condition: New
  • Supply Voltage: 5V
  • Model Number: Relay module
  • Brand Name: sincere&promise
  • Type: Voltage Regulator

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