TOTEM is a 38 keys column-staggered split keyboard. It meant to be used with a SEEED XIAO BLE or RP2040

各种LInk大合集

all espressif stuff will committed here

Portable games console, designed from scratch: CPU, graphics, PCB, and the kitchen sink

An open-source handmade smartwatch. All of the codes, PCBs and schematics are available. ⌚

Some ultra low cost, unique layouts mechanical macropad using CH552G

K210 PCB YOLO

Collection of cartridges, adapters, and replacements for the Commodore C64

Fanpico: Open Source Programmable PWM (PC) Fan Controller

Not your average Soil Moisture Sensor

stm32f072 dev board with arduino nano alike pinout

a simple and cheap vector network analyzer, including support software

The HBC-56 (65C02/TMS9918A/AY-3-8910 retro computer) fully emulated on a Raspberry Pi Pico

Small version of the famous component tester from mikrocontroller.net

USB Power Delivery Testing Device and Variable Power Supply

Polyphonic Digitally Controlled Oscillator (DCO) controlled by Raspberry Pi Pico PIO

Lagom is an easy to build 65% keyboard using a discrete microcontroller and only through hole components

Hard- and Firmware to control different EF and EF-S lenses

A 4x10 CFX spaced low-profile mechanical keyboard.

An e-ink desk companion