2 layers26 × 18.1 mm
PeakDetector Breakout
S4-Lab/OpenPCB
Open source method of manufacturing 2-layer printed circuit boards with a low-cost commodity fiber laser engraver
10 parts3MIT
Open-source KiCad boards
9 match “S4-Lab”Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.
- 4 layers70 × 70 mm
1.Electronics
I-M-Robotics-Lab/STM32-Quadcopter
Quadcopter design based on STM32F411CEU Blackpill flight controller. Compatible with INAV 6.0 firmware.
57 parts80GPL-3.0 - 2 layers250 × 210 mm
Carrier rev a
the-Drunken-coder/dual-band-radio-lab
100 × 75 mm, two copper layers, 1.6 mm PCB. One design supports two identical test nodes. Each carrier takes one USB-C controller and two interchangeable LR2021 radio modules.
107 parts - 4 layers145 × 57 mm
- 2 layers321.5 × 233.4 mm
- 2 layers144 × 79 mm
MacroPad
loredavid/Hapticpad
A 6 button macropad with a display for button labels and a mouse knob with haptic feedback! — v2 redesign: new Pico SDK firmware + USB configurator.
59 parts1CERN-OHL-S-2.0 - 10 layers90 × 60 mm
- 2 layers70 × 50.5 mm
MacroPad Controller Board
loredavid/Hapticpad
A 6 button macropad with a display for button labels and a mouse knob with haptic feedback! — v2 redesign: new Pico SDK firmware + USB configurator.
29 parts1CERN-OHL-S-2.0 - 4 layers80 × 60 mm
Core
abolambA/Luxera
Luxera One is a from-scratch attempt to build what the big labs keep teasing: AR glasses that look like actual glasses. Everything — compute, batteries, optics, sensors, audio — seals inside a chunky acetate frame.
56 partsMIT