Adafruit CH552 QT Py by Liz Clark published May 09, 2024, last edited January 23, 2025 posted in Adafruit Products Microcontrollers Arduino Compatibles STEMMA 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 Arduino IDE Setup Blink Analog In I2C Capacitive Touch NeoPixel Manual Bootloader Downloads Single page Feedback? Corrections? Text View Primary Products Your browser does not support the video tag. Adafruit CH552 QT Py - 8051 Dev Board with STEMMA QT $4.95 Add to Cart 2 Intermediate Product guide Downloads Files CH552 Product Page CH552 Datasheet EagleCAD PCB files on GitHub Fritzing object in the Adafruit Fritzing Library PrettyPins pinout PDF on GitHub PrettyPins pinout SVG on GitHub Schematic and Fab Print dimensions are in inches Page last edited May 09, 2024 Text editor powered by tinymce. Manual Bootloader