8 posts tagged with “raspberrypi”

tutorial

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. Introduction Last year, I wrote a blog post showing how to build an RGB LED matrix. Since then, we’ve developed the project…

December 23, 2019 / 9 min

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Beyond the cloud: Docker containers in space

On the 13th June 2019, a rocket launched from Kiruna, Sweden, carrying 280kg of scientific experiments; among them, a Raspberry Pi Zero running Docker containers on balenaOS. To our knowledge this is the first time a Moby/Docker container engine has been flown to space! Nico Maas, an IT Engineer & Ground Controller from the Deutsches Zentrum für Luft und Raumfahrt (the German Aerospace Center…

October 09, 2019 / 4 min

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Run a mixed-architecture app using 64-bit balenaOS on the Raspberry Pi 4

Ever wished it was possible to run both 32-bit and 64-bit containers on your Raspberry Pi 4 simultaneously? Well thanks to the 64-bit version of balenaOS, it is! This tutorial will show you how to build a basic weather chart, displaying the current temperature and humidity of your chosen city, whilst logging the data in a MongoDB database. This project has been put together to demonstrate the…

September 13, 2019 / 5 min

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balena releases first fully functional 64-bit OS for the Raspberry Pi 4

Today, we are excited to announce the release of 64-bit balenaOS for the Raspberry Pi 4, providing support for the full 4GB of memory and allowing the simultaneous, side-by-side running of 32-bit and 64-bit Docker containers - a first for the Raspberry Pi 4! BalenaOS is an open-source, minimal, Yocto Linux-based host OS tailored for containers. It enables a fast and modern workflow for many…

September 13, 2019 / 5 min

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Using Web Bluetooth to communicate with Bluetooth devices

balena web ble project 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 macOS, Linux, Windows, and Android. In…

September 12, 2019 / 7 min

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Build a Raspberry Pi powered live train station sign for your desk

Last updated: 10th December 2021 Build your own UK train station platform departure display (next train indicator) with live data using a Raspberry Pi Zero/Zero 2, OLED display and 3D printed case - a cool (and practical!) desktop gadget. It involves a bit of software, a bit of soldering, and some 3D printing too. Introduction A while back I came across this tweet by Chris Hutchinson, he’d…

July 30, 2019 / 8 min

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Build a smart photo slideshow with balenaCloud

Last updated: 26th October, 2020 When we started the balenaDash project, the main goal was to make it easy and straightforward to deploy IoT devices that display information on a screen. We've updated the photo component into its own standalone project. Build this project to create a photo slideshow hosted on Google Photo Albums, Dropbox Photo Album, or Apple Photos. Photo Gallery is a physical…

May 15, 2019 / 5 min

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How to keep your device up and running during power outages

Deploying an Internet-of-Things (IoT) project to production can involve various complex and unexpected problems, such as firmware updates, system reliability and many more. By using balenaCloud to deploy and manage your fleet, most of these headaches can be avoided. However, if your device loses power, there is very little we can do to ensure the device remains operating and online. With that in…

October 24, 2018 / 6 min