134+ free LLM APIs & AI API keys from 40+ providers. Google Gemini, NVIDIA NIM, Groq, OpenRouter & more. One-click setup for Claude Code, Cursor and Codex.

List of Permanent Free LLM API (API Keys)

A format specification for describing a visual identity to coding agents. DESIGN.md gives agents a persistent, structured understanding of a design system.

NCコードをRML-1フォーマットに変換します。 これによりNCコードをRoland MDX-15,20などで使用できるようになります。

G-code to RML converter for Roland MDX-540 with 4-axis support.

Tools for handling firmwares of DJI products, with focus on quadcopters.

Graphical interface for monitoring 3S Battery packs datas, based on SBS Generic protocol. Designed for 0.96" OLED SPI Screens.

DJI Reverse engineering

python based DUML entry vector

DJI has modified the GPL Busybox ftpd on Mavic, Spark, & Inspire 2 to include AES scrambling of downloaded files...

u-boot for DJI crystal sky.

Archive of DJI dji_system.bin firmware files, that are in active GPL violation

MAVlink and H.264 Video for DJI drones

Trident TVGA9000i based Super VGA board

Very compact (8KB) embedded x86 BIOS for FPGA/emulators/386EX

Precise localization based on GNSS and IMU.

A bare metal SDK for the ESP32 & ESP32C3

Cheat Sheet for IEC 104

Command line interpreter for c++ backed by linenoise

A small self-contained alternative to readline and libedit

A SIXEL encoder/decoder implementation derived from kmiya's sixel (https://github.com/saitoha/sixel).

Communicate Freely

Everything you need to know on how to connect the LAN8720 PHY to the ESP32.

High-rate continuous streaming of interleaved dual ADC (I/Q) samples over USB Full‑Speed (FS) using only the built‑in CDC class on an STM32F103C8 ("Blue Pill" style) board. Companion Python host to…

High Speed Data Acquisition over HDMI - Userspace library