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

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,

Install a balenaFin outdoors, for use as a LoRa gateway, flight tracker, weather station and more!

Back in May we looked at deploying the software to run a balenaFin as a TTN LoRa Gateway, today we’re working on the natural progression from this; mounting the hardware up a mast and making the installation more permanent. The techniques we look at here will allow us to

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

Build your own UK train station platform departure display (next train indicator) with live data using a Raspberry Pi Zero, 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. Contents Introduction

Build a smart photo slideshow with balenaCloud

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. The project has been constantly developed, with new features such as automate the backlight timer, how to setup a dashboard or even displaying google

Turn your old speakers or Hi-Fi into Bluetooth receivers with a Raspberry Pi and this step-by-step guide

Updated 14th October 2019 - Now works with the Raspberry Pi 4B If you’ve got an old Hi-Fi or sound system with an AUX input, this project is for you. Try balenaSound, a starter project to quickly and easily add Bluetooth to an old Hi-Fi, speakers, or any other

Bring a dummy security camera to life, using a Raspberry Pi and WebRTC

A few weeks ago we released a project called balena Cam where @mbalamat developed an application running on balenaOS that initiates a WebRTC video streaming connection between the server (a Raspberry Pi, for example) and the client. You can check the full blog post here. Once the main core of

Deploy a fleet of environmental sensors with balena & InfluxDB

Last month Alex Markessinis released a very nice project based on balenaSense to manage the temperature and humidity of a data center and upload the data to an external InfluxDB database. Follow along as we go through the process of setting up this project to capture data from remote sensors

Build a TTN LoRa Gateway with balenaFin and balenaCloud

We’ve taken a look at deploying a gateway for TTN on our blog in the past, but this time we’re going to look at setting one up using the new balenaFin with plug and play hardware! We’ll use the on-board mPCIe slot to interface with a RAK

Build a Raspberry Pi-based network camera using WebRTC

Do you want to be able to monitor your house, workplace, husband, wife, kids, pets, etc. when you are not there? Do you have a Raspberry Pi and a camera laying around? If you answered yes to at least one of these questions, keep reading! In this project, we're going