The Raspberry Pi launched in February 2012 as a $25-$35 credit card-sized computer designed to teach programming in schools. The single-board computer (SBC) sparked a maker movement explosion, with over 46 million units sold by 2023 for projects ranging from retro gaming to home automation.
Democratizing Computing
Raspberry Pi Foundation (UK charity) created the cheapest fully functional Linux computer, featuring ARM processor, HDMI output, USB ports, and GPIO pins for electronics projects. The original Model B ($35) ran Raspbian Linux and could browse the web, play videos, and run educational programming environments like Scratch and Python.
The low price and open ecosystem enabled experimentation without fear of breaking expensive equipment. Schools, hobbyists, and universities adopted Pi for teaching programming, electronics, and computer science fundamentals. Online communities shared thousands of project tutorials—weather stations, smart mirrors, retro arcade machines, security cameras.
Unexpected Use Cases
While designed for education, Pi found diverse applications: RetroPie transformed Pis into retro gaming consoles, OctoPrint enabled wireless 3D printer control, Pi-hole blocked network ads, and Home Assistant ran home automation. Businesses used Pis for prototyping and production—industrial controllers, digital signage, IoT devices.
Raspberry Pi 3 (2016) added Wi-Fi and Bluetooth. Pi 4 (2019) jumped to 1GB-8GB RAM options and dual 4K display support, approaching desktop replacement capability. Zero models ($5-$15) offered ultra-compact formfactors for embedded projects.
Pandemic-driven chip shortages made Pis scarce in 2021-2022, with scalpers selling $35 Pi 4s for $100+. The scarcity revealed how critical Pis had become to industries beyond education—industrial equipment, scientific instruments, and commercial products depended on Pi availability.
Sources: Raspberry Pi Foundation, Tom’s Hardware Pi reviews, Ars Technica Pi history