#75 JDY-30 Bluetooth relay board

JDY-30 Bluetooth

This is a 12V relay that you can switch using the built-in JDY-30 Bluetooth slave module. By using the iq-blue terminal app on your phone, you can wireless open or close the relay by sending simple hexadecimal code to the board.

  1. Provide 12V DC input power to the board
  2. Search for bluetooth device and pair to “JDY-30” (password is “1234”)
  3. Download the IQ-BLue Bluetooth Terminal App
  4. Using hexadecimal, send “A00101A2” (open the relay), “A00100A1” (close the relay)
Back of the board

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