We’ve seen people try to make MCU development boards as breadboard-friendly as possible by leaving plenty of space to connect wires and components. lhm0 tackled the issue from the opposite direction and designed 3D printed breadboards optimized for Raspberry Pi Pico and ESP32 development boards. The Pico typically only leaves two rows of each side of a typical breadboard, and some ESP32 boards are wide enough to take all rows and, as a result, are unusable. The trick here was to design the breadboard for each board with an opening in the middle, so that they only take two rows (one on each side) on the 3D printed breadboard, and the user still has four rows on each side to play with, plus the top and bottom rows. We only have photos for two variants of the breadboard (highlighted in bold below), but a total of five breadboard designs are […]
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Read more here: https://www.cnx-software.com/2026/01/23/3d-printed-breadboards-optimized-for-raspberry-pi-pico-and-esp32-boards/
