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

balena monthly roundup - February 2020

We hope 2020 is off to a great start! This month we’re talking Container Contracts, Software-Defined Radio (SDR), and figuring out how to get the most from our edge devices. “By the beard of Zeus-- what’s a container contract?!” we hear you cry, but fear not-- we cover

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

Are you buying the right devices for your IoT workloads?

There was a time when IoT devices were merely low-powered boards capable of doing a single chore, albeit in far-flung locales. Today, boards like the balenaFin, Raspberry Pi 3 and 4, and NVIDIA are powerful multi-core microcomputers with plenty of horsepower to spare. How do you decide which is best

How to use balenaCloud container contracts in mixed-device environments to fine-tune your fleet

If you’re like most folks running an IoT environment, you have a mix of devices that don’t always support the same services and drivers, despite their common architecture. With balenaCloud container contracts, you can set rules that prevent devices from getting upgrades that make them fail -- and

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

balena monthly roundup - January 2020

Happy new year! It’s great to be starting another fresh new year, but what a year 2019 was; we released balenaFin v1.1, added edge device diagnostics, released livepush, secured funding to grow our team, saw balena operated from space, and released the first 64-bit OS for RaspberryPi 4.

Two projects, one device: turn your Raspberry Pi into a multitool!

Built one of our projects, and want to expand upon it? Perhaps you want to build a second one, but lack the hardware? Fear not! One of the great benefits of balenaCloud is that you can combine different projects and run everything on one device. In this short guide, we’

Control your Christmas tree: A Raspberry Pi powered RGB LED matrix v2

Build and animate your own web and remote-controllable lighting from commonly available RGB LED strings and a Raspberry Pi. We’re going to go through the process of building a fully-configurable 10x25 LED matrix with a graphical configurator to run animations and patterns. Contents Introduction Hardware required Software required Assemble