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Installing ROS2 on Raspberry Pi

Installing ROS2 on Raspberry Pi

In this tutorial, we’ll look at how to install ROS2 on a Linux machine, in particular a Raspberry Pi 4 running Ubuntu. ROS2 is an interesting framework to tackle when working on embedded systems such as robots. Hardware Computer with Internet access 32GB SD card...
Sending long character strings via BLE

Sending long character strings via BLE

Bluetooth Low Energy (BLE) has a known limit of 20Bytes on the length of strings sent. There are ways of overriding this limit. Hardware In this tutorial, we’ll send data from an Android application, developed under React Native, to an ESP32. The methods...
Give your Android device a voice with React Native TTS

Give your Android device a voice with React Native TTS

In this tutorial, we’ll look at how to give your Android device a voice using a Text to Speech (TTS) library. Whether you’re developing applications for the visually impaired, or just want to liven up your Android system, giving your project a voice can be...
Displaying Video Stream from Motion on React Native

Displaying Video Stream from Motion on React Native

In this tutorial, we’ll look at how to retrieve a video stream from Motion with a React Native application. Project configuration We’ve set up a video stream with Motion on a Linux machine with address 192.168.1.92:8554 on the Wifi network. The Motion...
Video stream with Motion on Raspberry Pi

Video stream with Motion on Raspberry Pi

In this tutorial, we’ll look at how to set up a video stream with Motion from a Raspberry Pi. This tutorial is compatible with any Linux system. Hardware Raspberry Pi (or other Linux machine) USB camera or CSI camera Motion description The Motion program was...
Video stream with Gstreamer on Raspberry Pi

Video stream with Gstreamer on Raspberry Pi

In this tutorial, we’ll look at how to stream video from a Raspberry Pi using Gstreamer. One of the most widely used streaming tools is FFMPEG. We’ll be testing gstreamer here, as there’s less transmission delay. Previous streaming tutorial: Video...
First steps with Android on Rock Pi 4

First steps with Android on Rock Pi 4

Radxa’s Rock Pi 4 board can run Debian, Ubuntu or Android OS. In this tutorial, we’ll show you how to configure and use your microcomputer with Android. Hardware Rock Pi 4 SE 32 GB SD card HDMI display Keyboard+mouse USB A to USB A cable Download and...
Displaying a Video on a React Native App

Displaying a Video on a React Native App

In this tutorial, we’ll look at how to integrate video into a React Native application. To do this, we’ll create a video stream from a computer and retrieve the video signal from the Android device. React Native project configuration To integrate a video...
Creating a navigation menu with React Native

Creating a navigation menu with React Native

In this tutorial, we’ll look at how to set up a navigation menu with different screens in React Native. To do this, we’ll use the React Navigation library N.B.: Another alternative react-native-navigation exists but does not work with my environment....