Wiring Connections

STEMMA Speaker

  • Speaker GND to MatrixPortal M4 GND
  • Speaker Power to MatrixPortal M4 Power
  • Speaker SIG to MatrixPortal M4 A0

IR Breakbeam Sensor

  • Receiver black wire to MatrixPortal M4 GND
  • Receiver red wire to MatrixPortal M4 3V
  • Receiver yellow wire to MatrixPortal M4 A1
  • Transmitter black wire to MatrixPortal M4 GND
  • Transmitter red wire to MatrixPortal M4 3V

Servo

  • Servo black wire to MatrixPortal M4 GND
  • Servo red wire to MatrixPortal M4 5V
  • Servo yellow wire to MatrixPortal M4 A4

This guide was first published on Nov 16, 2021. It was last updated on Nov 16, 2021.

This page (Circuit Diagram) was last updated on Nov 11, 2021.

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