BitBang peer-to-peer network

LoRa chip into a coherent linear-FM chirp generator

A QCW DRSSTC Controller using an STM32H750

An NFC-powered ECG “PCB business card”: hardware design files plus a web app that reads an ultrasonic audio signal to display heart rate/HRV in the browser. Includes build notes, BOM, and manufactu…

Our Planetarium project!

library for turning a RTL2832 based DVB dongle into a Software DefinedReceiver; mirror from https://gitea.osmocom.org/sdr/rtl-sdr

Open-source, low-cost 10.5 GHz PLFM phased array RADAR system

Linux kernel source tree

openEMS is a free and open electromagnetic field solver using the FDTD method.

Replicated&Optimized version of little-bee-B1, A high performance current & magnetic field probe

A fast flasher/debugger for RP2040 based devices (runs on Raspberry Pi Pico)

Blender FastHenry - FastHenry simulations in Blender

Interpreter for the perfect programming language

Custom firmware for Quicko and KSGER T12 soldering stations

The Obi Wan Komputer and Combined Payload Boards from the NyanSat project.

Testing I2S codecs

Open source minimal stack for the ch32 and ch5xx WCH RISC-V Microcontrollers

ESP8266 Analog Broadcast Television Interface

Breakout PCB design and STM32F0 firmware for the Rafael R820T2 tuner chip

ESP32-based focus timer with an epaper display and rotary dial

FDX-B Reader based on the ch32v003

perfect programming language

STM32 Based soldering station for JBC cartridges, 9-24 VDC and USB-PD power

A simple bootloader for the RP2040 to allow for resetting to bootsel mode in the event of firmware corruption.

mcHF SDR transceiver

A collection of cool projects to make!

A high-performance, open-source trackpad, powered by QMK.

为DHO800/900系列示波器设计的电池包（Battery pack designed for DHO800/900 series oscilloscopes）