Testing and verification

Power Test

  • Apply 9–15 V DC
  • Verify 5 V output from the regulator
  • Check for excessive heat

MIDI IN Test

  • Connect a MIDI source
  • Confirm IN LED activity

THRU Output Test

  • Connect downstream devices
  • Verify all receive identical MIDI data

MatrixPortal Test

  • Connect RX and GND
  • Run firmware
  • Confirm MIDI events are received