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Public designs
cross band handy walkie talkie. This HT would include 2 SA818s, one for 70cm and one for 2m and could be used for satellite work.
Fully Open CCS Charge Controller Interface with QCA7005 PLC modem
A simple 65% keyboard
the pcb of a wireless, split, low-profile, hot-swap, mechanical keyboard with RGB, based on the nrf52833 SOC
【无刷电机FOC驱动器】双通道 FOC 无刷电机驱动套件，最高电压 60V 单通道电流可达 100A，可以驱动 1.2kW 以内 BLDC 或 PMSM（有中文注释）。
It's a no-light 60% keyboard PCB project.
A rp2040 robotics board with high power power delivery
The Floopy Drive, an open-source flashcart for Casio Loopy
Breadboard, but microcontroller
Open source replacement PCB kit for the HHKB Pro 2 keyboard.
ZMK oriented embedded RP2040-based 9-key macropad with USB-C, extra GPIO, SWD and select THT components.
The sensor for the world's largest crowdsourced network of open-source, low-cost, GHG Gas Detection Sensors.
An ESP32 in the Raspberry Pi form factor
A Unknow Keyboard Adapter for the Sinclair QL Computer
SCREEM - Supersonic Camera Radio Emission Enhanced Module
a wonky 28-key, column-staggered, unibody-split keyboard
typomatrix 3020 keyboard on STM32F072 controller
A dense cluster for four Raspberry Pi Compute Module 4