This repository contains documentation for developers to use to call Selling Partner APIs.

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

🐍🎮 pygame (the library) is a Free and Open Source python programming language library for making multimedia applications like games built on top of the excellent SDL library. C, Python, Native, Ope…

A middle-to-high level open source algorithm book designed with coding interview at heart!

😎 Awesome lists about all kinds of interesting topics

Arduino library for nRF51822-based Adafruit Bluefruit LE modules

Guide on how to design keyboard PCBs with KiCad

Quickly go back to a parent directory in linux instead of typing "cd ../../.." repeatedly

keyboard controller firmware for Atmel AVR and ARM USB families

3D CAD files for OLKB boards

A Pro Micro alternative for wireless keyboards

Clackety Keyboards Powered by Python

BLE Micro Pro is a breakout board of BL654(nrf52840 module) which is almost compatible with Pro Micro. This board is designed for wireless split DIY keyboards