What do you think of peer-reviews?
This week my students had to perform a peer-review on each other’s websites. They also had to summarize the review (and their opinion on it) on their Blog. I was very pleased to see a lot of quotes like the…
Category Education
Project ‘Virtual Product Development’ – sites presented as part of Digital explanation
Updated May 21, 2025 Below are some examples of partial results of the websites which where presented as a result of the Project ‘Virtual Product Development’ from Industrial Design Engineering. 2024: 2023: 2022: 2021: Note: unfortunately, some of the sites for…
Add RFID identification to a Java application
This example presumes you already have some basic knowledge about Arduino and programming Java applications with Eclipse. If you have an RFID reader module attached to your computer (via a USB serial connection) you can read RFID data from a Java…
Build an RFID reader with Arduino and the RC522 RFID module
The RC522 RFID module is a cheap module which comes with a card and a dongle.You can buy it at our local electronics shop the STORES for a few euro’s (search for ‘rfid’ in the price list). Or buy it…
Remote control a catapult with an App build with App Inventor
In this previous article we learned how to build an App with App Inventor and connect it to a Lego Mindstorms NXT. Now we will extend that App to control a Catapult robot. If you have not done so already,…
Control a Lego Mindstorms robot with your phone with App Inventor
First steps To be able to use App Inventor, you will have to register with a Google Account. So go to the site ai2.appinventor.mit.edu and register Install the MIT AI2 Companion app on your phone. To be able to identify your NXT (if…
Checking your Java environment (for use with leJOS)
To use leJOS you need 32 bits versions of the JDK and the Java Runtime Environment (JRE). Also, sometimes after updates of Java or multiple removals/additions the environment can ‘go bad’. Follow the steps below to test the environment and…
Installing Lego firmware
You can learn here how to switch firmware for the Lego Mindstorms NXT. If your NXT has leJOS (Java) firmware and you want to switch to Lego, read the first section. For the other way around: to switch from leJOS…
Group sign-up lists with ‘datumprikker’
The calendar signup site ‘datumprikker’ (= dutch for pick-a-date) can be used to create sign-up lists for groups also. Start by entering a title for your list and press Create event: Next, enter a description, add your name and e-mail…
Arduino programming made easy
Want to use an Arduino to prototype some electronics? But programming is not really ‘your thing’? Consider Modkit, a Visual Arduino Programming tool! This example is a program which makes a led blink, made with Modkit Micro, the free Modkit…