One 1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger Review

One 1 Channel 5V 12V Relay Module Board Shield for Arduino with Optocoupler Support High and Low Level Trigger

  • Condition: New
  • Brand Name: sincere&promise
  • Type: Voltage Regulator
  • Model Number: 1 Channel Relay Module

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