
Module
vd-rd/sbc_allwinner_a13
Open hardware compute module with Allwinner A13 (ARM-A8 @1GHz), DDR3 (max 512MB) and expansions (USB, GPIO, WiFi, LCD, Audio)
KiCad boards from 760 GitHub repositories tagged “hardware”, the most starred first; open any of them in PCBKit.

vd-rd/sbc_allwinner_a13
Open hardware compute module with Allwinner A13 (ARM-A8 @1GHz), DDR3 (max 512MB) and expansions (USB, GPIO, WiFi, LCD, Audio)

xavierbasc/dm50
DM50 is a cheap, powerful, easy to build, open source hardware, and high precision calculator.


teapotlaboratories/bwlr1e
Teapotlabs BWLR1E: Wireless Environmental Sensor with Energy Harvesting from Solar Energy

lampmerchant/tashtwenty
An interface for the DCD protocol used by Apple's Hard Disk 20.



laneboysrc/rc-headless-transmitter
DIY 2.4 GHz RC transmitter without display, configurable through smartphone or web browser

MR-DOS/TDR_diploma_thesis
Time domain reflectometer. Includes Hardware, firmware and GUI in Octave. Also a diploma thesis.

OpenIPC/hardware
A collection of hardware developments by the OpenIPC team

ApotheoTech/Aper-Oculus
An open-source Xilinx Kria SOM Carrier for high-speed camera design

pointhi/HighPower-Mechaduino
Mechaduino derivative which drives up to 10A, drawn using KiCad



Open-Locker/Open-Locker
This is an open source project to build both the software and the hardware blueprints/build guide (incl. a kit) for public lockers to store and/or share items.
RobertGawron/SemiconductorRadioactivityDetector
Nuclear radiation sensor with photodiode as a detector. Photodiode doesn't require high voltages as GM tubes do. Smaller size makes better resolution. Side effect is electronic must be more sensitive.

sinneb/esp32-hvcc
Heavy compiler (hvcc) sources running on ESP32-DevKitC powered eurorack module

kbob/MinimumViableSynth
A virtual analog synthesizer with lots of knobs and buttons.

Windfisch/midikraken
A open source, open hardware up-to-16x USB-MIDI-interface for around 15 bucks in its smallest configuration.

newdigate/teensy-control-voltage
Hardware Design: 16 channel analog control voltage shield for teensy 4.1; 8ch in / 8ch out; +-10V @ 16bits/sample;

EwoudVV/ducktop2
An open-source 16-inch laptop designed from scratch.



cajunpanda/gameboy-hifi-audio
A HiFi audio mod for various Game Boy models