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Arduino pins

maryEmbecosm edited this page Aug 4, 2017 · 1 revision

Digital

  • pin0: RX
  • pin1: TX
  • pin2: Speaker
  • pin3:
  • pin4:
  • pin5: Frequency test
  • pin6:
  • pin7:
  • pin8:
  • pin9: CLK
  • pin10:
  • pin11:
  • pin12:
  • pin13: test LED

Analog

  • A0: Microphone
  • A1:
  • A2:
  • A3:
  • A4:
  • A5:

Other

  • IOREF: not connected
  • RESET: not connected
  • 3.3v: not connected
  • 5v: positive power
  • GND: always connected to the circuits ground (0v)
  • Vin: not connected

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