RPI Computers Archives - Page 5 of 27

How to Install Discourse on Raspberry PI: Self-Hosted and Modern Forum Platform 5 (1)

29th August 2025

In this tutorial, I’ll show you how to install Discourse on a Raspberry PI computer board, to get a self-hosted (private) forum with a modern interface and accessible both from a web browser as well as from the Discourse app for smartphones. About Discourse Discourse is an open-source platform designed to host and organise discussions […]

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Funny Raspberry PI Terminal Commands Not Everyone Knows 4.1 (19)

12th August 2025

In this tutorial, I will show you some funny Raspberry Pi terminal commands you can try on your own. Many of them can be executed without the need to install any new package, while some others will require the installation (from the apt package manager) of some small packages. All of these funny commands will

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Tactigon and Raspberry PI: a New Input Concept With Integrated AI 0 (0)

26th July 2025

In this tutorial, I will show you the basics of using the Tactigon with Raspberry PI computer boards. In this tutorial, I will use Python to collect data from Tactigon sensors and print it to the terminal. About Tactigon The Tactigon is a wearable device that enables you to control a remote computer or robot

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Use Passive Buzzer with Raspberry PI and Python 4.4 (18)

22nd July 2025

In this tutorial, I will show you how to connect and use a passive (tonal) buzzer with a Raspberry PI computer board. A passive buzzer is a cheap and simple DC-powered element able to generate a multi-tone sound if triggered with low-voltage current. A passive buzzer differs from an active buzzer because an active one

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Run AI Agents with Raspberry PI and Docker similarly to Containers 0 (0)

12th July 2025

This tutorial will show you how to run Artificial Intelligence (AI) agents on a Raspberry PI computer board with Docker. This means that you will be able to run AI programs with a single command line, just as you would with a standard Docker container. This is an interesting option and alternative to run Ollama

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How to add 2 Factor Authentication (2FA) in Raspberry PI OS with Google Authenticator for SSH login 5 (2)

5th July 2025

This guide will show how to setup a 2 Factor Authentication (2FA) on a Raspberry PI computer board to add security to access the board from SSH with Google Authenticator. With hacker attacks on ICT systems increasing around the world, accessing your Raspberry PI from a remote location can make it insecure and an easy

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How to Use a Photoresistor From Raspberry PI To Detect Light with Python 4 (1)

27th June 2025

In this article, I’ll show you how to use a Photoresistor with Raspberry PI computer boards and Python to detect if a light level is high or low. About Photoresistors A photoresistor (also known as photocell or light sensor) is a Light Dependent Resistor (LDR). As the name suggests, these components act just like a

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How To Control a Ultrasonic Sensor with Raspberry PI: Get Object Distance with Python 3.3 (6)

19th June 2025

This tutorial will show you how to use an HC-SR04 Ultrasonic Sensor with a Raspberry PI computer board, giving you the wiring diagram and the Python code to test it. Ultrasonic Sensors are great for all kinds of projects that need distance measurements, like obstacle detection. It is a cheap and easy-to-use solution which gives

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