Category Archives: Education

Using an Ultrasonic sensor with Arduino

This short tutorial introduces HC-SR04 Ultrasonic sensor. It is assumed you have installed the Arduino IDE and have some basic understanding of using electronics and wiring a breadboard. Although in this example we use a display, you can also do without it. To use this sensor, you can connect it to power (GND and VCC, this must … Continue reading Using an Ultrasonic sensor with Arduino

Use DHT11 temperature and humidity sensor with display

This tutorial uses the Arduino Nano, but you may also use an Arduino Uno. You might need the Arduino Nano pinout diagram or an other diagram for your particular model of Arduino. We are going to use the diagram below to build it. But if you are inexperienced each step is explained in detail. First, … Continue reading Use DHT11 temperature and humidity sensor with display

Remote controlled Rover car with Arduino brain

Lego: Build remote controlled Rover car with Arduino brain

Learn how to build a remote controlled Rover car with Lego Mindstorms, with an Arduino ‘brain’, which can be remote controlled via Bluetooth with a phone. This guide uses parts from the Steering rover example on nxtprograms.com. It is also inspired by the NXT Dune Buggy.Lego parts shown here might be of different color depending … Continue reading Lego: Build remote controlled Rover car with Arduino brain

Control an RGB LED from an Android App via Bluetooth

In this example we will control a RGB LED from an Android App via a Bluetooth connection. A HM10 BLE Bluetooth module is connected to an Arduino Uno. This tutorial assumes you already have some experience with Arduino. If not, you might want to follow a basic tutorial and/or install the Arduino software (the IDE). … Continue reading Control an RGB LED from an Android App via Bluetooth

Installing Android Studio

Download Android Studio at developer.android.com/studio. This is a quick guide to get started with Android Studio. For a complete Install Guide look here. Quick steps: Start the downloaded installation program (from the Download folder) Go through the installation steps, using the default settings (press Next a few times) At the final step leave the option … Continue reading Installing Android Studio

Build an App with App Inventor which can display values of a connected sensor

This tutorial describes how to Use App Inventor to build an App which can read the online values of a connected sensor. For this, it uses a WebViewer Component and a Clock to refresh values. This is part 2 of a series, the first part, “Create a connected sensor” can be found here. This second … Continue reading Build an App with App Inventor which can display values of a connected sensor