Mes Projets

Présentation

Cliquez sur un article pour en lire l'intégralité. Les projets rédigés en anglais sont également montrés et indiqués. Revenez régulièrement pour découvrir de nouvelles publications.

BioSignals - Multi-Channel Bio-Sensing Board ( Anglais)Électronique - 01-04-2023

BioSignals - Multi-Channel Bio-Sensing Board

BioSignals is an open-hardware bio-sensing acquisition board designed for capturing bio-potential signals such as EEG, ECG, and EMG. With up to 8 channels, high-performance analog interfaces, and multiple data output options including USB, Bluetooth, and microSD, BioSignals is a versatile and low-cost solution suitable for a wide range of research applications. This article provides an overview of the system's features, design, and potential use cases.

RF Passive Differential Probe ( Anglais)Électronique - 10-03-2023

RF Passive Differential Probe

This passive RF differential probe is intended for the measurements of RF circuits within the frequency range of 500 MHz to 6 GHz. It is ideal for in-circuit measurements where no test port is available and has minimum effect on the DUT while being inexpensive to produce. This article goes over the design, performance, simulation and measurements of the device.

KiCad Plugin Development ( Anglais)Code - 27-02-2023

KiCad Plugin Development

KiCad is a powerful open-source electronics design automation tool. Plugins can improve its functionality and streamline the design process. This article focuses on two plugins I developed to enhance KiCad: Auto Silkscreen Placer, which automatically moves silkscreen part designators to readable locations, and Pinout Generator, which exports component pinouts to various formats, including C/C++ code, CSV, and FPGA constraints files.

Microfluidics Electrowetting platform ( Anglais)Électronique - 20-01-2021

Microfluidics Electrowetting platform

Microfluidics is an area of research based on the manipulation of small fluid volumes on the order of microliters or nanoliters. I designed µDropplet, an inexpensive plateform with an 8×8 array of electrodes driven by a high voltage to experiment with various microfluidics techniques and materials. This article describes the design, usage and some tests results obtained with this system.

3D Lidar Scanner MK2 ( Anglais)Électronique - 14-10-2020

3D Lidar Scanner MK2

This 3D Lidar utilizes an innovative mechanical scanning system to achieve high-resolution scans at an exceptional scanning rate. The Lidar employs a mirror to scan the beam throughout the room, without the need for any moving electronic parts. What's more, it can be fully 3D-printed. This article offers detailed insights into the design, construction, and usage of this device.

Radio Astronomy Basics ( Anglais)Électronique - 07-09-2020

Radio Astronomy Basics

Radio astronomy is the study of celestial objects at radio frequencies. An amateur astronomer with a very simple and inexpensive setup can perform some interesting measurements. This article describes my Ku band setup and some experiments we can do with it.

Hairpin filter design ( Anglais)Électronique - 05-07-2020

Hairpin filter design

Electronic filters are circuits which remove unwanted frequency components from the signal to enhance wanted ones. The hairpin topology is a microstrip band-pass filter for the gigahertz band (UHF). They can be very useful with SDR to improve the reception. This article features a Javascript generator for these. It also shows their design and my results.

Irish Whistle Tab - Android app ( Anglais)Code - 24-05-2020

Irish Whistle Tab - Android app

Irish Whistle Tabs is an open-source Android app to learn to play the tin whistle. It features hundreds of traditional Celtic tunes (jigs, reels, polkas, ballads, etc.). In this article, I showcase my app, and go into more technical details on the inner working.

Acoustic beamsteering with a speaker array ( Anglais)Électronique - 14-03-2020

Acoustic beamsteering with a speaker array

Beamforming is a signal processing technique to get a directionnal signal transmission from an array of emitters. By controlling the relative phase and amplitude difference between the elements, we can shape the emission/reception pattern according to our needs. For this project, I designed, built and measured a phased linear array of speakers.

Breaking Passwords with a Microphone ( Anglais)Code - 27-12-2019

Breaking Passwords with a Microphone

Each key on a keyboard makes a slightly different, unique sound. In this article, I explore the possibility of extracting key-presses and passwords from audio recordings using digital signal processing and machine learning with a Python proof-of-concept script.

Reaction Wheel Attitude Control ( Anglais)Électronique - 28-11-2019

Reaction Wheel Attitude Control

Reaction wheels are a way for spacecrafts such as the Hubble Space Telescope to achieve 3-axes attitude detumbling and control. It uses the conservation of angular momentum. For this project, I made a model of a satellite with a reaction wheel to demo the effect and play with the parameters/control algorithm.

Shablocks - Electronic modular lab ( Anglais)Électronique - 22-09-2019

Shablocks - Electronic modular lab

Shablocks is a modular and compact electronic lab system. It is made of open-hardware blocks: variable power supply, oscilloscope, component tester, etc. Everything can be assembled on the go to fit your needs.

OpenEMG Arduino Sensor ( Anglais)Électronique - 18-06-2019

OpenEMG Arduino Sensor

Electromyography (EMG) is a commonly used electrodiagnostic medicine technique for evaluating and recording the electrical activity produced by skeletal muscles. OpenEMG is a project that aims to create an open-source, easy-to-make EMG module that can capture muscle information from Arduino or any other micro-controller. With this module, users can measure muscle activity and use the data to explore various applications such as robotics and prosthetics.

Electromagnetic interference mapping ( Anglais)Code - 22-04-2019

Electromagnetic interference mapping

Accurate mapping of near-field electromagnetic parasitic emissions is crucial for designing, debugging, and pre-compliance testing of electronic devices. However, traditional EM scan methods are often expensive and lack the required level of detail and speed. This article describes two innovative methods for creating fast and affordable high-resolution 2D maps of RF EMI for printed circuit boards (PCBs) and other electronic devices.

3D-printed prosthetic hand ( Anglais)Électronique - 06-04-2019

3D-printed prosthetic hand

The human hand is made up of a total of 27 individual bones connected by joints and ligaments, and operated by muscles situated in the hand and wrist. This project's objective is to mimic it and build an open-harware fully 3D-printed prosthetic hand.

AI astronomy pictures processing ( Anglais)Code - 08-03-2019

AI astronomy pictures processing

Digital image processing can be used to remove noise and signal distortion from pictures. It is particularly useful for astronomy, as the details are faint and often blurry. The objective of this project is to define an artificial neural network (ANN) and train it with machine learning to take several noisy, convoluted astronomy pictures and output a single processed photograph.

EDF motor design ( Anglais)Électronique - 19-02-2019

EDF motor design

Electric ducted fans (EDF) are an efficient way of producing thrust for an aircraft. However, there are a lot of variables that can be fine tuned to optimize their performance: body curves, fan blade pitch, duct length, number of fan blades, etc. Using both simulation and experimental results, the objective of this small project is to enhance the thrust per input Watt of my design.

AI-powered digital signal processing ( Anglais)Code - 10-02-2019

AI-powered digital signal processing

Machine learning is fantastic to apply complex mathematical operations without being specifically programmed like in conventional algorithms. In this article, I share two artificial neural networks experiments related to digital signal processing (DSP): discrete Fourier transforms and signal corruption recovery.

Homemade PCB manufacturing ( Anglais)Électronique - 21-10-2018

Homemade PCB manufacturing

Homemade PCB manufacturing is a great way to get inexpensive board prototypes with no delay. In this article, I show the method I came up with to get reliable, fast and precise PCBs with no headaches using a 3D printer, a permanent marker and any etchant.

Interact PHP - comment system ( Anglais)Code - 17-08-2018

Interact PHP - comment system

Interact is a simple PHP open-source comment system that can be added to any website in minutes to improve interactivity and user's involvement. Client-side, it is very lightweight (<6 KB CSS and JS combined) and intuitive (no logins, no cookies, etc.). Server-side, it is very easy to setup, manage and even customize to fit your needs.

Getting started with RTL-SDR ( Anglais)Code - 24-07-2018

Getting started with RTL-SDR

Software Defined Radio (SDR) is a radio communication system where components that have been traditionally implemented in hardware are instead implemented by means of software. RTL-SDR is an extremely inexpensive way to start exploring, demodulating, decoding... about anything you could thing of in the VHF and UFH radio range. This article is a quick start guide with RTL-SDR to begin capturing and decoding signal on GNU/Linux, and two simple example projects.

S3D Evolved - compact 3D printer ( Anglais)Électronique - 20-07-2018

S3D Evolved - compact 3D printer

S3D Evolved is an open source 3D printer that is reliable, compact and inexpensive to build. Its 100x100x100 mm build volume and robust frame means that it can be transported easily, while being sufficient for most of your prints.

Gimbaled Model Rocket Simulator ( Anglais)Code - 08-05-2018

Gimbaled Model Rocket Simulator

Thrust vectoring is the ability of an aircraft, rocket, or other vehicle to manipulate the direction of the thrust from its motor in order to control the attitude of the vehicle. I started designing and building a model rocket with a gimbaled thrust system. Impulse is my open-source and cross-platform simulator for gimbaled thrust rockets that accurately simulates the rocket's physics.

ECE3SAT - Helmholtz Coils ( Anglais)Électronique - 11-02-2018

ECE3SAT - Helmholtz Coils

Helmholtz coils are a pair of facing coils that generate an almost uniform magnetic field along one axis. In my end-of-study project at ECE Paris, we designed, built, and qualified a full 3D Helmoltz coil magnetic simulation environment for CubeSats. This environment enables the testing and verification of magnetometers and magnetorquers for the ADCS subsystem.

Micro Laser Machine ( Anglais)Électronique - 10-02-2018

Micro Laser Machine

This compact laser engraving CNC machine can burn on wood and most materials. It is upcycled with CD/DVD drives from old computers. It is a fairly easy machine to build and use, thanks to the open-source control software LaserGRBL.

3D Lidar Scanner ( Anglais)Électronique - 28-10-2017

3D Lidar Scanner

As a 3-day project, I created this 360° lidar scanner using a Garmin™ LIDAR-Lite v3. With its data acquisition and visualisation code, this turret can generate a fairly accurate 3D point cloud that we can import in CAD software. The source-code and some design details are available in the article.

ElectroDB - Android app ( Anglais)Code - 14-10-2017

ElectroDB - Android app

ElectroDB is a powerful, offline Android app I created for electronics enthusiasts like me. With its 12000+ (and growing) components database, you will find all the information you need to complete your electronic projects in less time. In this article, I showcase my app, and go into more technical details on the inner working.

Contrôle de prises DiO avec ArduinoÉlectronique - 01-08-2017

Contrôle de prises DiO avec Arduino

DiO est une gamme d'équipements de domotique radiocontrolés en 433MHz. Cet article détaille l'installation et l'utilisation d'une bibliothèque Arduino que j'ai développée pour pouvoir interagir très facilement avec ces modules.

Mon processeurÉlectronique - 18-04-2017

A la suite de mon apprentissage du langage de description hardware VHDL, j'ai développé mon architecture processeur en partant de zéro. Cet article retrace toutes les étapes de ce projet open-source.

My personal Website ( Anglais)Code - 08-01-2017

My personal Website

In this article, I describe the requirements and the technical choices I have made for the development of my personal website (the website you are currently browsing). It includes information about the frameworks, content management system, hosting, etc.

Simply Appear ( Anglais)Code - 07-01-2017

Simply Appear is an extremely lightweight native Javascript and CSS framework to handle apparition animations. It is easy to implement and include basic animations. As it does not use jQuery, it is lightning fast and weights less than 2KB!

Website for ALC ( Anglais)Code - 05-01-2017

Website for ALC

This project describes the technologies, framework and processes to design the new website of a French law practice situated in Orléans. It is a responsive, accessible, static, showcase website that I fully created from scratch.