Circuit Diagram

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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.

3d_printing_Circuit-Diagram-V6.jpg

Wired Connections

The QT Py RP2040 is soldered to the 1/4 sized perma-proto to make sharing grounds easier.

Button Swittch

  • Pin 1 to Pin A2 on QT Py RP2040
  • Pin 2 to GND on Perma-Proto

Button LED

  • Anode to Pin A1 on QT Py RP2040
  • Cathode to GND on Perma-Proto

IR Receiver 

  • Anode to Pin A0 on QT Py RP2040
  • Cathode to GND on Perma-Proto

IR LEDs

The IR LED features a 100ohm resistor wired in-line with ground.

  • Anode to Pin TX on QT Py RP2040
  • Cathode to GND on Perma-Proto
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This guide was first published on Jul 13, 2022. It was last updated on Dec 08, 2023.

This page (Circuit Diagram) was last updated on Jul 01, 2022.

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