Blog
Tech news, project updates and stories
Welcome to blackdevice's blog—your hub for our latest news, tech guides and innovative DIY projects with Raspberry Pi, 3D printing and more!. Join us as we explore the future of smart tech and creative innovation.
18/09/2026
How to self-host a newsletter server on Raspberry Pi with Listmonk and Docker
Build your own private newsletter server on Raspberry Pi with Listmonk and Docker. Avoid SaaS subscription fees and retain 100% data ownership.
14/09/2026
Building a Raspberry Pi NAS in 2026: An engineer’s guide to performance and reliability
Discover how to transform your Raspberry Pi into a budget‑friendly NAS (Network Attached Storage) server for secure backups, centralized storage, and easy multimedia streaming.
25/08/2026
The tool we built to flash multiple Compute Modules at once
We built Flashrock to batch-program up to seven Compute Modules at once. Discover how it works, why we built it, and how we use it to prepare Hive beenodes.
15/08/2026
Raspberry Pi Connect guide (2026): Setup, security, and headless configuration
Learn how to connect remotely Raspberry Pi securely in minutes with our step-by-step Raspberry Pi Connect installation and setup guide.
03/08/2026
Hive mechanical design evolution. Raspberry Pi compute platform
Hive's latest prototype marks another important step in the evolution of our Raspberry Pi compute platform. In this article, we take you behind the scenes to explain the mechanical design decisions, industrial design improvements and…
02/08/2026
Installing local LLMs on Raspberry Pi CM5: Performance benchmarks and the Gemma3 surprise
We installed Ollama on our Pi Hack (Rasperry Pi CM5 8GB) and tested multiple local LLMs. Gemma3 (270M & 1B) proved the best tradeoff of speed and quality — full steps, metrics and recommendations inside.
29/07/2026
Hive Community Survey #2: What the Raspberry Pi community told us
Our second Hive Community Survey brought together feedback from 60 early supporters and revealed valuable insights into Raspberry Pi homelabs, Kubernetes, Kickstarter preferences and future HiveLab projects. Here's what we learned—and how…
17/07/2026
Introducing HiveLab. Build the first community projects on Hive
Hive Lab is our new community hub for Raspberry Pi, homelab and self-hosting enthusiasts who want to build real projects with Hive. Learn how the first community call will work, how to apply through our upcoming Community Survey, and how…
22/06/2026
What we learned building a Raspberry Pi cluster, and how those lessons shaped Hive
A year after deploying our early Raspberry Pi compute cluster prototype, it came back to the workshop for maintenance before heading to a new datacenter. It was the perfect opportunity to revisit the design, inspect the hardware and…
15/06/2026
Insightst from the first Hive community survey
We sent our first community survey to Hive early supporters to better understand who is joining the project, what they want to run, and what matters most before Kickstarter. Here's what we learned—and how that feedback is already…
12/06/2026
Raspberry Pi Compute Module 5 explained. What it is and why we use it
Learn what the Raspberry Pi Compute Module 5 is, how it works, how operating systems are installed, and why it is widely used in industrial products, embedded systems and modular infrastructure platforms like Hive.
03/06/2026
The problem with most Raspberry Pi clusters
Building a Raspberry Pi cluster has never been easier. Operating one over the long term is a different challenge entirely. In this article, we explore the difference between assembling a cluster and maintaining real infrastructure, the…
25/05/2026
Why we are building Hive
In this article, we explain why we started building Hive: a modular ARM compute system designed around Raspberry Pi CM5 for homelabs, self-hosting, edge deployments and scalable low-power infrastructure. Not another DIY cluster — a system…
14/05/2026
We’re building Hive. And we’re taking it to Kickstarter
Hive is a modular ARM compute system built around Raspberry Pi CM5. Follow the project as we prepare for our Kickstarter launch: prototypes, engineering updates, hardware development and behind-the-scenes progress.
08/05/2026
We built an USB port protector for ourselves. Now USBSafe is available for everyone
USBSafe is an active USB port protector with configurable current limiting, TVS clamping, and ESD protection on data lines. Built for makers who test their own hardware
14/04/2026
Meet the I/O X, our new professional carrier board for Raspberry Pi Compute Module 5
The ioX is the latest evolution in blackdevice's carrier board development. From our first CM4-based mini PC, through the Pi Hack, to our most capable and fully featured board yet. Designed for professional and industrial deployments…
02/03/2026
Lightweight services that will make your Raspberry Pi 3 shine again
Give that old Raspberry Pi 3 a new purpose. This guide shows five lightweight, local services—Pi-hole, Watcharr, moOde Audio, Uptime Kuma and Netdata—that run smoothly on a Pi 3 and require no extra hardware or cloud subscriptions.
19/01/2026
TranslateGemma on Raspberry Pi. Local AI translation with Ollama
Learn how to run Google DeepMind’s TranslateGemma locally on a Raspberry Pi using Ollama and Open WebUI for fast, private AI translation.
15/01/2026
Turn a Raspberry Pi into a multi-service home server with Docker and Portainer
A complete step-by-step guide to turning a Raspberry Pi device into a powerful, self-hosted, private multi-service home server using Docker and Portainer.
17/12/2025
Build a private, file sharing cloud, with ownCloud on Raspberry Pi. Step-by-Step guide
This guide shows you how to turn a Raspberry Pi into a fully self-hosted private cloud using ownCloud. We walk through the complete setup—from preparing the hardware and installing Docker to configuring storage, securing access, and…
25/11/2025
How to turn your Raspberry Pi into a full WordPress web server
Learn how to turn a Raspberry Pi 5 into a complete, fast, and reliable WordPress web server. This step-by-step guide shows you how to install a full LAMP stack, configure WordPress, and host your personal or small business website directly…
08/10/2025
Build a self-hosted photo & video server with Immich on a single board computer
Set up a private photo and video server with Immich on your Raspberry Pi 5 or Orange Pi 5 Plus. This guide walks you through OS install, Docker setup, deploying Immich with Docker Compose, storage best practices and basic remote access —…
26/08/2025
Build your own Open source Mute button for video calls
The open source mute button project was designed to notify you of your mic’s status and let you control the volume of any microphone connected to your computer. In this post, you’ll find everything you need to build your own mute button,…
25/08/2025
Home Assistant OS on Raspberry Pi 5. Smart home setup guide
Turn your Raspberry Pi 5 into a powerful smart home hub with Home Assistant OS. In this guide, we show you how to install it step by step and explore its main features.
19/08/2025
Contribute to science with your Raspberry Pi and BOINC
Did you know that your Raspberry Pi can play a role in cutting-edge scientific research in fields like biology, astrophysics, mathematics, and medicine? Thanks to BOINC (Berkeley Open Infrastructure for Network Computing), you can share…
11/08/2025
How to distribute services on a 10‑node Raspberry Pi CM5 cluster
Our ARM Cluster project is moving forward: we already have several “bee nodes” operational in a fully functional prototype. Here’s a suggested way to assign services across your 10-node Raspberry Pi CM5 cluster, leaving one free for future…
11/06/2025
How to install and run DeepSeek R-1 on a Raspberry Pi 5. Step by step guide
Learn how to run a language model locally on your Raspberry Pi 5. In this hands-on guide, we show how to install and run DeepSeek R1, compare model sizes, test response times and explore just how far your tiny Pi can go when it comes to…
09/06/2025
Docker on Raspberry Pi. Installation and practical guide
Step-by-step guide to Docker on Raspberry Pi. Learn what it is, how to install it, and how to use it in real Pi projects.
02/06/2025
First look at our Raspberry Pi CM5 ARM cluster prototype
Join us as we unveil the first working prototype of our ARM cluster, an innovative and compact computing solution built around the Raspberry Pi Compute Module 5 (CM5). Presented during a VMware/VMUG Galicia event at our parent company…
08/05/2025
Retro gaming emulation platform with Raspberry Pi. DIY project
In this guide, you’ll learn how to transform a Raspberry Pi into a retro gaming platform using RetroPie or Recalbox. We’ll compare the two leading emulation platforms and cover everything from gathering hardware, flashing via Raspberry Pi…
30/04/2025
Introduction to ARM clusters with Raspberry Pi CM5
Explore how ARM clusters with Raspberry Pi CM5 power distributed computing, edge solutions, and scalable servers. A perfect introduction for non-experts.
22/04/2025
What’s a Raspberry Pi: A beginner’s guide
Discover the basics of the Raspberry Pi, its models, setup, and endless possibilities for creative projects. Perfect for beginners and tech enthusiasts alike!
16/04/2025
What is an SMT line and how does It work?
In this article, we explain what an SMT line is and how it works. Explore our detailed process for rapid prototyping and limited-series production of circuits and PCBs, and learn why our SMT line is crucial at Blackdevice.
10/04/2025
What is a USB port protector and how does it work?
Learn what a USB port protector is, how it functions to shield your devices from electrical faults, and why it’s indispensable for anyone working with electronics. Discover blackdevice’s unique approach to safeguarding prototypes and…
07/04/2025
What it means for blackdevice to be a Design Partner of Raspberry Pi
Learn what it means for Blackdevice to be a Design Partner of Raspberry Pi. Explore our journey of collaboration, innovation, and commitment to promoting maker culture through groundbreaking projects.
16/01/2025
DIY smart home project. Build your smart relay with ESP32 and Arduino Cloud
In this post we are going to learn how to make a Smart relay using ESP32 and a relay board module. This is useful to control your apliances or lightning. Also in some websites like alixpress there are avaliable for purchase some boards…
01/02/2024
How to turn your old stereo into a smart audio streamer with Raspberry Pi and Volumio
Turn any amplifier or powered speakers into a smart audio system with Raspberry Pi & Volumio. Stream Spotify, YouTube, and more, all wirelessly from your phone. An easy, affordable DIY upgrade for your home audio!
04/01/2024
Monitor your network with a Raspberry Pi: testing NEMS and NTOP
Transform your Raspberry Pi into a robust network monitoring center with Nagios. This DIY project shows you how to monitor network services, query system parameters, and receive real-time alerts via email and SMS when thresholds are…
22/12/2023
Build your Raspberry Pi cluster and unlock distributed computing
Discover how to build a low-cost Raspberry Pi cluster that offers full control over your own computing system and a hands-on introduction to distributed computing.
05/07/2021
How to generate a dynamic hostname with Raspberry Pi
Explore the role of hostnames in Linux networks. Learn how to check your current hostname and generate dynamic, unique names using MAC addresses—with Raspberry Pi examples.
14/04/2021
Unlocking the 7722AZ CO2 Sensor. A data extraction guide
Learn how to extract data from the 7722AZ CO2 sensor in this DIY project. Build a custom RS232 adapter, use Python for sensor readings, and monitor indoor air quality with ease.
05/04/2021
Understanding ESP32 microcrontroller. First steps in smart DIY electronics
Dive into the essentials of ESP32—the versatile, affordable microcontroller with built-in WiFi and Bluetooth. This guide breaks down its hardware, key features, and the development tools you need to begin your DIY electronics projects.
07/05/2020
How to Connect to Raspberry Pi
The following article will show you how to set up and access any Raspberry Pi without the need of a screen, mouse and keyboard (headless)The main pre-requisite is to set up the SSH protocol and the network interface (WIFI or Ethernet) in…
06/05/2020
A comprehensive guide to flashing the Compute Module 3 eMMC
Learn how to flash the eMMC on your Raspberry Pi Compute Module 3 using an IO board. This guide walks you through both Windows and Linux setups, from installing drivers and building the rpiboot tool to troubleshooting common boot issues.
30/04/2020
How do touchscreens work?
Explore how touchscreens work—from the basics of resistive, capacitive, and surface wave technologies to future innovations like flexible displays and transparent LEDs. Discover the tech behind intuitive interfaces and what's coming next…
29/04/2020
Step-by-step Mosquitto MQTT broker installation & SSL configuration
Discover a complete DIY guide on setting up the Mosquitto MQTT Broker on Windows. This post covers everything from installation packages to SSL configuration and client certification, ensuring secure communication for your IoT projects.
29/04/2020
Understanding MQTT: The IoT messaging protocol explained
Discover what MQTT is and why it's the go-to messaging protocol for IoT devices. This guide covers the basics of publish/subscribe communication, the roles of clients and brokers, and essential best practices for managing topics and…
















































