Adafruit Proto Doubler PiCowbell by Liz Clark published March 21, 2024, last edited January 22, 2025 posted in Adafruit Products Breakout Boards 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. Download Overview Pinouts CircuitPython Arduino Downloads Single page Feedback? Corrections? Text View Primary Products Adafruit Proto Doubler PiCowbell for Pico and PicoW $7.50 Add to Cart Featured Products view all Stacking Headers for Raspberry Pi Pico - 2 x 20 Pin $1.50 Add to Cart Raspberry Pi Pico H - Pico with Headers Soldered $5.00 Add to Cart Raspberry Pi Pico WH - Pico Wireless with Headers Soldered $7.00 Add to Cart Little Rubber Bumper Feet - Pack of 4 $0.95 Add to Cart 2 Beginner Product guide Downloads Files EagleCAD PCB files on GitHub 3D Models on GitHub Fritzing object in the Adafruit Fritzing Library Schematic and Fab Print dimensions are in inches Page last edited April 02, 2024 Text editor powered by tinymce. Arduino