Category Archives: Education

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 € 4,85 (search for ‘rfid’ in the pricelist). Only thing you have to do before you can use it is solder the header. If you are unfamiliar with … Continue reading Build an RFID reader with Arduino and the RC522 RFID module

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, first build the Catapult. Now that you are able to connect your phone to the … Continue reading Remote control a catapult with an App build with App Inventor

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/login. Install the MIT AI2 Companion app on your phone. To be able to identify your NXT (if there are many Bluetooth devices), you might want to change its name: Start the Lego … Continue reading Control a Lego Mindstorms robot with your phone with App Inventor

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 fix it when necessary. Test Java Windows must be able to find Java programs. Therefore the … Continue reading Checking your Java environment (for use with leJOS)

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 to Lego, read the second section ‘Install leJos firmware’. This article ends with a section … Continue reading Installing Lego firmware

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 tool.

Create a wireless presenter for your presentations with LittleBits

As a demo for a workshop I am giving next week, I created a wireless presenter to use for presentations. The receiver is connected to the computer via the Arduino Bit. The wireless presenter is just a button connected to the Wireless Transmitter Bit. When you press the button, the (powerpoint) presentation advances to the next … Continue reading Create a wireless presenter for your presentations with LittleBits

Famous paintings of dutch landscapes

Just because it is beautiful. Based on a standard WordPress gallery inside a regular Blog-post, in which we inserted the Isotope gallery together with the Strip-lightbox. Checkout this page if you want to learn how to do this. The complete piece of code included in this post is: <!– load isotope: –> <script src=”https://unpkg.com/isotope-layout@3.0/dist/isotope.pkgd.min.js”></script> <!– … Continue reading Famous paintings of dutch landscapes

Gogbot hosts ‘Creative Technologists’ in UT Innovation pavillion

The Gogbot festival challenges first years’s students of the University of Twente and its bachelor programme Creative Technlogy with pitches and special assignments for presentations at Gogbot: 60 international talents from the academic programme CreaTE combining user interaction with cutting-edge technology and creative design. For Gogbot these talents have developed 14 installations and prototypes – … Continue reading Gogbot hosts ‘Creative Technologists’ in UT Innovation pavillion