2 layers78.8 × 71.9 mm
EE496
Will946/CPRPal
Chest compressions are hard to gauge mid-panic. This device measures force, rate, and posture in real time so you don't have to guess.
68 parts1MIT
PCB
2,721 boardsKiCad boards from 1,297 GitHub repositories tagged “pcb”, the most starred first; open any of them in PCBKit.
- 2 layers87.2 × 69 mm
OhareV1
Will946/O-hareAir
An ESP32-based flower that measures air quality with real sensors and physically points a needle at how badly you need to open a window.
39 parts1MIT - 2 layers71.1 × 28 mm
PCA9685
Will946/SirGrab
3D-printed robotic arm controlled live in the browser via 3D sliders, driven by an Arduino Uno R3 and a PCA9685 PWM servo board. Like a claw machine, minus the part where you never actually win.
51 parts1MIT - 2 layers93 × 57 mm
Tea Cozy Hotplate
Will946/TeaCupHotPlate
Keeps your tea at temperature by turning the circuit board itself into the heating element. Overengineered, like all good tea rituals.
140 parts1MIT - 2 layers116.6 × 99.3 mm
Achroma Choc
XinyiC222/Achroma
Wireless split keyboard with 36 keys. Low profile/MX and hot swapable.
77 parts1MIT - 4 layers170 × 120 mm
Cm5
YORROY123/kicad-scripted-pcb
Three KiCad 10 PCBs designed entirely as Python code with layered verification
243 parts1MIT - 2 layers
Moirai
Zachary-Pearce/Moirai
A 3-channel majority voter for redundant flight computer systems.
50 parts1GPL-3.0 - 4 layers60 × 110 mm
Nucula v2
zeugmaster/nucula-board
Nucula Board: an ESP32-C3 hardware prototype with USB-C, PN7160 NFC, OLED and detachable keyboard. KiCad sources and manufacturing files.
138 parts1CERN-OHL-S-2.0 - 4 layers
Bms 18650
1atabey1/enfitnix-bat-converter
Battery protection board that turns regular 18650 cells into ones that are compatible with the Enfitnix Navi series lights
10 parts - 2 layers132.9 × 130 mm
TouchBoard
8-Lambda-8/ShowControllPCBs
A collection of PCBs for controlling other show hardware via MIDI or OSC
292 partsGPL-3.0 - 2 layers
Ai memory badge v1
11cookies11/kicad-agent-suite
KiCad Agent Suite uses a structured source model to resolve parts, compile an intermediate representation, validate it, and export KiCad projects.
62 partsMIT - 2 layers54.3 × 17.1 mm
Discrete CMOS Logic Gate Arrays
876valeri3/Discrete-CMOS-Logic-Gate-Arrays
PCB designs of the fundamental logic gates using CMOS
36 partsMIT - 2 layers39 × 20 mm
Blinky-555
Abdulhamid-Baghdadi/eda-format-converter
Convert PCB boards, symbols and footprints between KiCad, Eagle and EasyEDA in any direction, in the browser (nothing uploaded) or from the CLI.
11 partsMIT - 2 layers80 × 60 mm
- 2 layers80 × 60 mm
- 2 layers135 × 101.5 mm
- 2 layers59.5 × 56 mm
- 4 layers90 × 75 mm
Audio Preamp
AlecRossCS/Audio-Preamp
This is an analog audio preamplifier, designed on first principles as well as help from Small Signal Audio Design by Douglas Self
130 parts - 2 layers43.2 × 47 mm
Current sink or swim
ALeggeUp/current-sink-or-swim
Project work from The Online Electronics Aprenticeship program at Contextual Electronics
29 partsCC-BY-SA-4.0 - 2 layers14.5 × 8.6 mm
Getting to blinky
ALeggeUp/getting-to-blinky
This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ or send a letter to Creative Commons, PO Box…
17 partsCC-BY-SA-4.0 - 2 layers23.4 × 24.6 mm
Ifm spark dev
ALeggeUp/ifm-spark-dev
IFM Spark Dev Board is a minimal Cortex-M0 dev board for experimentation. The firmware is an example project that uses Gradle to build and test an embedded application.
25 partsCC-BY-SA-4.0 - 2 layers26 × 23.5 mm
Power wheel ubuck
ALeggeUp/power-wheel-ubuck
This project is a synchronous buck converter providing 5V at 3A from 4.5-V to 17-V input.
45 partsCC-BY-SA-4.0 - 4 layers85.4 × 48.3 mm
- 2 layers76 × 53 mm
