Official software development kit for Geehy APM32F4xx microcontrollers.

Open-source flasher + custom firmware for RongYuan RY5088 (AT32F405) magnetic keyboards (MonsGeek, Akko, and others). Variant-safe USB flashing, profile-driven firmware, a 446-board catalog.

Hall-Effect Keyboard Library

Mad60he plugin signalRGB

Label Print Tool of Spirit

Go encoder/decoder for JPEG based on jpegli

SVG Vue/React components integrated from fluentui-system-icons, ionicons, ant-design-icons, material-design-icons, Font-Awesome, tabler-icons and carbon icons. (Vue3, Vue2, React, SVG)

Common processing algorithms and segmemtation for PCG signals

60% Hall-effect keyboard

GB2312汉字字符集，用来建立个性软字库

ST7789 full-featured driver library for general-purpose MCU and Linux.

HAL for the CH583/CH582/CH581 family of microcontrollers. BLE 5.3, RISC-V Qingke V4.

适合 u8g2 的中文字体，采用文泉驿点阵宋体作为源本，提供 12x12、13x13、14x14、15x15 和 16x16 点阵字库。

开源的泛中日韩像素字体，黑体风格

NatureDSP Library for HiFi4 DSP cores

LSCodec: A Time series Long-Short Term Codec for Compression and Representation.

Compression using the Heatshrink algorithm

A fully featured audio DSP firmware for the Raspberry Pi Pico (RP2040) and Pico 2 (RP2350). Official Discord: https://discord.gg/RCyqxAQ5xS

An open source cross-platform USB stack for embedded system

Collection of miscellaneous tools for PDM signals generation, acquisition and decoding

Maple Mono: Open source monospace font with round corner, ligatures and Nerd-Font icons for IDE and terminal, fine-grained customization options. 带连字和控制台图标的圆角等宽字体，中英文宽度完美2:1，细粒度的自定义选项

Arduino lib to operate 433/315Mhz devices like power outlet sockets.

Universal Radio Hacker: Investigate Wireless Protocols Like A Boss

✨ 荧光棒复活计划

Multi-Function Button Detection for MCU.

Tiny Flash Database for MCU.