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  • Tip: Left audio
  • Ring: Right audio
  • Sleeve: Ground for audio signal

3.5mm IR Input/Output

The IR blaster generates or receives a space-encoded NEC or Pronto Hex signal. The two transported bit values of the signal (0 and 1) are encoded using differing lengths of low-time IR pulses.

The 3.5mm IR in/out port has the following pinout:

  • Tip: 3.3V3V@50mA
  • Ring: IR Input
  • Sleeve: IR Output

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