Dynamic embedded memory management

When you have an embedded system with limited memory, you are forced to think twice about how you are going to spend your budget. The most obvious solution is to avoid dynamic memory allocation and deal with static pool of memory you are managing yourself complet...

Button de-bouncing

If you are dealing with a physical button in one of your hardware project, you'll probably end up having a issue with mechanical bounces of the button when changing state.

Because a button is often build with a spring (or some elastic material) to provide tactile feedback (or...

How to install Octoprint on an Orange Pi Zero 2

Why ?

Let's say you've bought and built a new 3D printer, and started printing stuff like crazy. Yet, you now find very painful to have to remove the SD card each time, insert in the SD card reader, plug on your computer, open Cura or whatever oth...

A light motion JPEG multi-resolution server

MJPGServer is an HTTP/1.1 server for your V4L2 (Video4Linux) devices that streams both a low-resolution video stream and can capture high-resolution images (snapshots) on demand.

What is it for?

If you have a 3D printer, and you use Octoprint to lau...

Frost is a backup software with deduplication, compression and encryption

If you ever wondered what tool to use for backing up your data, search no more. Frost does what you want, it's fast, does not consume too much CPU, does not consume too much memory, does not consume too much disk space. It's...

How to use KDE Connect via Bluetooth ?

KDE connect is a collection of software to make your smartphone connect to your KDE desktop (it also works with Windows and probably Mac OS, but this is not the subject of this article).

With these software, you can:

• Receive notifications on your deskt...

A tool to view and manipulate FreeCAD model in a browser

Export your model from FreeCAD to a web page or a webserver so they can be viewed and manipulated in 3D in your browser. Both a single page solution and a webserver solution is provided.

Demo

Click and drag the model below. You can clic...

How to create a dynamic alias for your mail ?

Forwarding any email account for your domain name's to your personal email

Have you either been in the situation (recently) that you personal email was disclosed because some website was hacked ?

Wouldn't be cool to have a fwd.facebook@mydomain....

Present a single login page for all your service (HOW TO)

The problem we are trying to solve

More and more software that is useful today is distributed as web applications. Some comes with docker images, some have to be installed with handling dependencies. Most of them implements some form of l...

A cross platform MQTT V5.0 client with minimal footprint

eMQTT5 is a MQTT cross platform client though for embedded system with minimal ressource usage and complete coverage of the specification. If you are searching for a MQTT client that's working with latest standard, with all features and with...

TinyTinyCompressor (T2C)

It's a very tiny compression and decompression library for embedded system.

It's very fast and does not consume too much resources.

It's using less than 100 lines of code, compiles to less than 820 bytes on ARM (less then 300 bytes for the decompressor only).

It's n...

A POI tracking application for Android with overlay and speed limit

A Point Of Interest (POI) tracking application that works offline and can be used to display a warning when approaching, monitoring speed. Typically used for speedcam and danger zone detection

What

This is a software for Andro...

Rangepoll is a voting server for democratic polling

This is a HTTP server written in Rust for serving poll and vote and computing results. You'll use this software if you need to run a poll (or a vote) to make a democratic decision.

Starting up a poll works in 3 steps:

1. The administrator/poll...