Adafruit Trinkey QT2040 by Kattni Rembor published June 23, 2021, last edited January 22, 2025 last major update January 27, 2022 posted in Sensors Adafruit Products CircuitPython STEMMA Raspberry Pi/ RP2040 Save New Favorite × Please sign in to include this guide in your list of favorites. You will be redirected back to this guide once you sign in, and can then save this guide as one of your favorites. Link Note Download Overview Pinouts CircuitPython Installing the Mu Editor Creating and Editing Code Connecting to the Serial Console Interacting with the Serial Console The REPL CircuitPython Libraries Frequently Asked Questions Troubleshooting "Uninstalling" CircuitPython Welcome to the Community! CircuitPython Essentials Blink Digital Input I2C CPU Temperature U2IF Python Example Arduino IDE Setup Arduino Usage Blink Trinkey Arduino Example I2C Scan Test Downloads Single page Feedback? Corrections? Text View Primary Products Your browser does not support the video tag. Adafruit Trinkey QT2040 - RP2040 USB Key with Stemma QT $7.95 Add to Cart Featured Products view all Adafruit MCP9808 High Accuracy I2C Temperature Sensor Breakout $4.95 Add to Cart Your browser does not support the video tag. Monochrome 1.3" 128x64 OLED graphic display - STEMMA QT / Qwiic $19.95 Add to Cart STEMMA QT / Qwiic JST SH 4-Pin Cable - 50mm Long $0.95 Add to Cart Grove to STEMMA QT / Qwiic / JST SH Cable $1.95 Add to Cart White Nylon Machine Screw and Stand-off Set – M2.5 Thread $14.95 Add to Cart 53 Beginner Product guide Downloads Files RP2040 Datasheet EagleCAD PCB files on GitHub Fritzing object in the Adafruit Fritzing library PDF pinout image Schematic Fab Print Page last edited March 08, 2024 Text editor powered by tinymce. I2C Scan Test