Build an “LED Alerter” for your remote work office setup

With many people now working from home due to recent events, it would be useful to have a device that alerts household members when we are on a call, in a meeting, or are otherwise preoccupied. In this tutorial we will build a web-controlled set of LEDs that you can

Build an AI-driven object detection algorithm with balenaOS and alwaysAI

This guide will show you how to set up a neural network model that runs an object detection algorithm in real time. We’ll be leveraging balenaOS and alwaysAI’s platform to greatly simplify the process. Some prep work In a previous article, we showed you how to easily get

Get started with computer vision and machine learning using balenaOS and alwaysAI

We’ll show you a simplified overview of computer vision and deep learning, and the easiest way to get started using balenaOS and alwaysAI. This guide combines the powers of balena with alwaysAI’s platform to get a project up and running quickly on the Nvidia Jetson Nano. Go from

Build your own multi-room audio system with Bluetooth, Airplay, and Spotify using Raspberry Pis

Turn your spare Raspberry Pis and speakers into a fleet of synchronized multi-room audio players. You can start from scratch or upgrade an existing balenaSound device to add the multi-room functionality for free! Contents Before you start Introduction Hardware required Software required Tutorial Step 1: Provision your devices Step 2:

How to create a Minecraft Server for the Raspberry Pi 4 with balena

If you want to host your own Minecraft Server -- all from a Raspberry Pi -- this project is for you! Try the balena Minecraft Server, a starter project to quickly and easily create a Minecraft Server and use SCP and RCON to manage it! Contents Before you start Introduction

Control your devices from a web browser using Bluetooth

Here’s how to use the Web Bluetooth API and balena to control Bluetooth Low Energy (BLE) devices remotely from a browser. This guide shows you how to build a simple LED setup that you can switch on and off from a web browser. We’ll also dive into how

Running OpenWebRX on balena to remotely monitor local radio spectrum

Combine a Raspberry Pi and an inexpensive SDR (Software-Defined Radio) dongle to create a remote monitoring device that you can place anywhere in the world (with internet access) to view the surrounding radio spectrum and stream audio from some of the detected signals. It hosts a small web server which

Monitor air quality around your home with Home Assistant and balena

This guide illustrates how to run Home Assistant using balena on a Raspberry Pi to create a beautiful dashboard accessible from anywhere in the world. In the case of this project, you can gather data from multiple environmental sensors, including air quality. We’ll utilize another project we introduced last

Add new functionality to affordable CNC machines using CNC.js and balena

Here’s a simple way to add premium CNC machine features to low-cost options using CNC.js and balenaOS. Now you can outfit your shop with incredible maker tools without breaking the bank. Fundamentally, I’m a maker at heart. I’ve been making things for years, but it’s

Using Web Bluetooth to communicate with Bluetooth devices

Adding Bluetooth to your IoT project usually means developing native applications to interact with your devices. However, the new Web Bluetooth API specification allows web browsers to communicate directly with Bluetooth Low Energy devices. While the specification is not finalized yet, we can already experiment with it using Chrome on