Noury

Combien d’eau gâchée avant une douche chaude?

Combien d’eau gâchée avant une douche chaude? Arrétons de gaspiller l'eau

Mon ami Eric et moi avons constaté qu’avant de prendre une douche, il faut laisser couler l’eau pendant de longues minutes avant qu’elle ne soit assez chaude. Nous étions d’accord qu’il fallait faire quelque chose contre ce gaspillage. Mais, quoi ? Je me suis dit qu’avant de traiter le problème, il faut le quantifier. J’ai […]

How Much Water Do We Waste Until the Shower is Hot Enough?

How Much Water Do We Waste Until the Shower is Hot Enough? stop wasting water

My friend Eric and I both noticed that on each shower, we have to wait few minutes until water is hot enough. During all this time water is pouring directly to the drain. We agreed that we need to do something about it. Before taking action, I thought that I need first to measure how […]

Polygon-Based 2D SLAM for Robotic Exploration

Polygon-Based 2D SLAM for Robotic Exploration polygon-based SLAM algorithm for robotic exploration

Johann Dichtl successfully defended his PhD, that I’ve co-supervised with Luc Fabresse and Guillaume Lozenguez. The defense took place this tuesday July 2nd, 2019 morning. The jury members were: Prof. Ouiddad Labbani from Université de Limoges, Dr. Mikal Ziane, HdR, from Université Paris Descartes, and Dr. Laetitia Matignon from Université Claude Bernard, Lyon 1. Title […]

Useful 3D Prints: Kitchen Sponge Holder Hook

Useful 3D Prints: Kitchen Sponge Holder Hook Useful 3D Print Kitchen Sponge Hook

One of my motivations to 3D printing is home repair and improvement. In this small project, I decided to use polypanels to make a flexible, yet robust hook for a sponge holder in my kitchen. Starting from polypanel snaps provided freely available online (Thanks Devin). STL design files are freely available on my thingiverse page.

Observer Pattern Made Easy with Pharo Lightweight Observer

Observer Pattern Made Easy with Pharo Lightweight Observer Observer Design Pattern implementation in Pharo

Lightweight Observer is an alternative to Announcement, the default Pharo  implementation of the Observer Design Pattern. I started developing Lightweight Observer because I needed a small framework, with an implementation that can be easily converted to Javascript using PharoJS. I also wanted to be straight forward to use. I had in mind beginners such as […]

Arduino-Based Toys for Playful Cats: 3 Week-End Projects

Arduino-Based Toys for Playful Cats: 3 Week-End Projects arduino projects for cats

In this selection of simple week-end projects, we target our furry friends. We provide a selection of three cool DIY projects using Arduino boards. Cats will love these electronic toys. They will cost you only few bucks, for hours of fun and laughter with your pet. Checkout the videos. They are hilarious! The first project […]

Farmers Market App: Find Fresh Locally Grown Food

Farmers Market App: Find Fresh Locally Grown Food farmers market pharojs mobile app

If you care both about the planet and your health, the Farmers Market app is for you! This app allows you to find nearby markets, where you can buy fresh food directly from farmers. Most of the produce are grown locally. This means less fuel for transportation. So, by buying locally grown food you contribute […]

iOS Current Location Usage Description in Cordova

iOS Current Location Usage Description in Cordova smartphone Gps App New York

Providing a clear location usage description is critical to have your iOS app approved. With the default settings of the Apache Cordova location plugin cordova-plugin-geolocation, your app is likely to be rejected by Apple. I experienced this first hand with the iOS version of the Farmers Market app. Apple reviewers sent me the following message: […]

How to Make a Large Lighthouse Using a Cheap 3D Printer

How to Make a Large Lighthouse Using a Cheap 3D Printer Large 3D printed pharo lighthouse

As a Pharo addict, making a 3D printed lighthouse is a fun week-end project. This idea is even more attractive. It’s a project that goes beyond what can be done using a small 3D printer, with a single extruder. The requirement are the following: The lighthouse can be taller than the maximum printing height. The […]

Robots To Collect Garbage Floating in the Water

Robots To Collect Garbage Floating in the Water

A loft of plastic litter (bottles, bags…) end up in harbours, marinas and canals. WasteShark, a robotic boat by a Dutch company (Rana Marine) takes care of collecting this floating waste. The robot behaves the shark whale style to clean urban waters. Video 1 shows WasteShark in action. Video 1 shows WasteShark in action Plastic […]