The Raspberry Pi is one of the most popular single-board computer brands. Its popularity is partly due to the numerous unique and interesting projects people have created using the Raspberry Pi. People have used the Raspberry Pi in various projects and provided instructions so that others can recreate their projects. Below are the ten most popular Raspberry Pi articles published in 2021. I hope they inspire you as you tinker with your own Raspberry Pi.

Building a Home Thermostat with Raspberry Pi

Joe Truncale moved into a new home in October 2020. The old heating system needed improvement. His article provides detailed instructions on how he used Raspberry Pi and ThermOS to replace the thermostat in his home.

Setting Up a Lightweight Server on Raspberry Pi

The Raspberry Pi can serve as a great server. Alan Formy-Duval shows how to set up a lightweight server to save system resources. His instructions provide many useful tips on how to maximize the Raspberry Pi.

Teaching Python on a Raspberry Pi 400 at a Public Library

The Raspberry Pi is a great teaching tool. In this article, Don Watkins discusses how he used Raspberry Pi 400 to teach Python at a public library. He describes how he set up the Raspberry Pi 400 and how he taught the course.

Managing Your Raspberry Pi with Cockpit

Alan Formy-Duval explains how to use Cockpit to manage your Raspberry Pi. He details how to install and use Cockpit on the Raspberry Pi operating system and gives an overview of Cockpit’s features. As he points out in the article, “Just like on other Linux systems, Cockpit works on the Raspberry Pi,” making this article also useful for users interested in using Cockpit on other systems.

Creating a Router with Mobile Connectivity Using Raspberry Pi

You can easily make your own router with the Raspberry Pi. In this tutorial, Lukas Janėnas explains how to build a router with mobile connectivity. He provides detailed instructions on how to install and configure OpenWRT on the Raspberry Pi.

Tracking Your Family Calendar with Raspberry Pi and a Low-Power Display

Javier Pena used a Raspberry Pi and an e-ink display to create a family calendar. This article provides information about the hardware and software used in the project. With the provided instructions, you can easily create a digital calendar for your family.

Projecting Your Android Device with Raspberry Pi

In this article by Sudeshna Sur, learn how to project your Android device with Raspberry Pi. Sudeshna uses Scrcpy to accomplish this task. She provides instructions on how to set up Scrcpy and configure your phone to work together.

Review of Raspberry Pi 400

Don Watkins reviews the Raspberry Pi 400, providing several unboxing pictures and offering excellent written commentary on the device and bundled accessories. He has a lot of good things to say about this $100 package.

Monitoring Your Home’s Temperature and Humidity with Raspberry Pi and Prometheus

In Chris Collins’ tutorial, learn how to monitor your home’s temperature and humidity. Chris explains how to use Prometheus and Raspberry Pi to collect and store data. He provides instructions on installing Prometheus, setting it up to track data, creating a systemd unit, logging, and more, and finally explains how to combine all the steps to create a complete project.

Deploying Ceph in a Raspberry Pi Cluster

AJ Canlas teaches how to deploy Ceph in a Raspberry Pi cluster. This article provides instructions for deploying Ceph using the ceph-ansible Ansible playbook. The required hardware includes four Raspberry Pi 4B 4GB models, four 32GB microSD cards for booting the operating system, four enclosures with fans and heat sinks, four Raspberry Pi power supplies, and six 32GB USB flash drives for Ceph OSD nodes. This is a large setup, but if you have such hardware on hand, it’s an intriguing project to try.