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…
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 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…
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…
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…
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…
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…
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…
Saucony introduceerde onlangs de tweede editie van de Triumph-ISO, die dan ook Triumph-ISO2 gedoopt is. Nieuw in deze schoen is oa. een 5mm tussenzool (Saucony noemt het de EVERUN Topsole) die bestaat uit een laag samengeperste (piepschuim?) bolletjes die je…
Annelies is onderweg naar Australie. Volg haar reis via deze kaart. Een lijst van de routepunten: [nwm_list id=”1″]