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Pinout

Specialized purpose pins

PinDescription
board.IO11Neopixel
board.IO12LED
board.IO13Echo pin for FRONT: ultrasonic sensor
board.IO14Trigger pin for FRONT: ultrasonic sensor
board.IO15Echo pin for RIGHT: ultrasonic sensor
board.IO16Trigger pin for RIGHT: ultrasonic sensor
board.IO17Light sensor left
board.IO18Light sensor right
board.IO33Board's SDA
board.IO34Board's SCL

General purpose pins

Stemi Shield has additional pins that can be used for connect additional hardware. These are:

  • board.IO36
  • board.IO37
  • board.IO38
  • board.IO39
  • board.IO40
  • board.IO41