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@sabas1080
sabas1080 / ESP32_HID.ino
Last active November 25, 2024 08:30
Example of HID Keyboard BLE with ESP32
/*
Copyright (c) 2014-2020 Electronic Cats SAPI de CV. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
@marcan
marcan / canon-ef-protocol-notes.md
Last active August 4, 2025 15:48
Canon EF protocol notes

Testing done using a Canon EOS 600D and a Canon EF-S18-55mm f/3.5-5.6 IS II.

Pinout

  1. VBAT
  2. DET (common with P-GND on lens side)
  3. P-GND
  4. VDD
  5. DCL
  6. DLC
@blurayne
blurayne / ui-widget-select.sh
Last active May 21, 2025 20:15
Pure BASH interactive CLI/TUI menu (single and multi-select/checkboxes)
#!/bin/bash
##
# Pure BASH interactive CLI/TUI menu (single and multi-select/checkboxes)
#
# Author: Markus Geiger <[email protected]>
# Last revised 2019-09-11
#
# ATTENTION! TO BE REFACTORED! FIRST DRAFT!
#
@vikpe
vikpe / fix_authenticity_of_github_problem.md
Last active August 3, 2025 15:36
FIX: The authenticity of host github.com can't be established.

Error

The authenticity of host 'github.com (140.82.113.4)' can't be established.

Fix

ssh-keyscan github.com >> ~/.ssh/known_hosts
@vegard
vegard / kernel-dev.md
Last active July 20, 2025 05:32
Getting started with Linux kernel development

Getting started with Linux kernel development

Prerequisites

The Linux kernel is written in C, so you should have at least a basic understanding of C before diving into kernel work. You don't need expert level C knowledge, since you can always pick some things up underway, but it certainly helps to know the language and to have written some userspace C programs already.

It will also help to be a Linux user. If you have never used Linux before, it's probably a good idea to download a distro and get comfortable with it before you start doing kernel work.

Lastly, knowing git is not actually required, but can really help you (since you can dig through changelogs and search for information you'll need). At a minimum you should probably be able to clone the git repository to a local directory.