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Private chat and messaging server with Rocket.chat and Raspberry PI 4.2 (6)

Rocket.chat In this tutorial, I will show you how to create a self-hosted chat service with Rocket.chat and Raspberry PI computer board. This article shows how to install Rocket.chat for usage in internal LAN environments (home, office, and so on). If you want to share it with your friends you will need to check if

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Open Source Hotel Management System with Qloapps and Raspberry Pi 5 (1)

This tutorial will show you how to install Qloapps on your Raspberry PI computer board. Raspberry PI OS Lite version can be very versatile and can implement several useful home services (see also my Raspberry Pi projects article). Some addicting features can be achieved by searching open-source software and testing it with this fantastic device.

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Stepper Motor with Raspberry PI Pico: 28BYJ-48 and ULN2003 wiring and MicroPython code 5 (12)

In this tutorial, I’m going to show you how to wire and use the 28BYJ-48 and ULN2003 with Raspberry PI Pico, with MicroPython code. Stepper motors can trasform your code logic into move in robotic projects. The 28BYJ-48 stepper motor (with ULN2003 motor driver) is the cheapest model and works with a simple code on

Stepper Motor with Raspberry PI Pico: 28BYJ-48 and ULN2003 wiring and MicroPython code 5 (12) Read More »

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Magnetometer Compass with Raspberry PI Pico: GY-271 HMC5883L wiring and use with MicroPython 4.7 (13)

In this tutorial, I’m going to show you how to wire, calibrate (X / Y axes) and use an HMC5883L device, also known as a magnetometer, with Raspberry PI Pico using MicroPython. Many projects (like robotic ones) need to get info about spacial position and direction. In this sense, one of the most useful devices

Magnetometer Compass with Raspberry PI Pico: GY-271 HMC5883L wiring and use with MicroPython 4.7 (13) Read More »

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Active Cooling for Raspberry PI: What is, Why You Need It, and How to Use 4.5 (2)

This tutorial will explain the Active Cooling for Raspberry PI to beginners and show you how to simulate the benefits concretely. This tutorial is specific for Raspberry PI computer boards and will guide you by analyzing what are the use cases where you need a cooling system and testing it with a stress test. Cooling

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