The diagram below provides a visual reference for wiring of the components. This diagram was created using the software package Fritzing.

Adafruit Library for Fritzing

Use Adafruit's Fritzing parts library to create circuit diagrams for your projects. Download the library or just grab individual parts. Get the library and parts from GitHub - Adafruit Fritzing Parts.

Wiring Connections


  • NeoPixel GND to QT Py RP2040 GND
  • NeoPixel 5V to QT Py RP2040 5V
  • NeoPixel DIN to QT Py RP2040 A0


  • PDM Mic GND to QT Py RP2040 GND
  • PDM Mic 3V to QT Py RP2040 3V
  • PDM Mic CLK to QT Py RP2040 TX
  • PDM Mic DAT to QT Py RP2040 A1

This guide was first published on Feb 01, 2022. It was last updated on Jun 22, 2024.

This page (Circuit Diagram) was last updated on Mar 08, 2024.

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