Raspberry Pi History Raspberry Pi is a series of small, affordable single-board computers developed by the Raspberry Pi Foundation in the UK. It was created to promote computer science education and has evolved into a versatile tool used in various applications. Key Milestones Origins and Launch (2006-2012) 2006: The concept for Raspberry Pi began at the University of Cambridge, driven by concerns over declining computer science enrollment. 2012: The first model, Raspberry Pi Model B, was launched on February 29, priced at $35. It featured a 700 MHz processor and 256 MB of RAM. Product Evolution Model Release Year Key Features Raspberry Pi 1 2012 700 MHz ARM processor, 256 MB RAM Raspberry Pi 2 2015 Quad-core 900 MHz CPU, 1 GB RAM Raspberry Pi 3 2016 1.2 GHz quad-core CPU, built-in Wi-Fi and Bluetooth Raspberry Pi 4 2019 1.5 GHz quad-core CPU, up to 8 GB RAM, dual 4K HDMI Raspberry Pi 400 2020 Integrated keyboard, 1.8 GHz quad-core CPU Raspberry Pi 5 2023 2.4 GHz quad-core CPU, PCIe support Impact and Popularity As of March 2025, over 68 million units have been sold, making it the best-selling British computer. Raspberry Pi has been widely adopted in education, industry, and hobbyist projects, transforming how computing is approached globally. Educational Initiatives The Raspberry Pi Foundation has also focused on educational outreach, providing resources and support to teachers and students, fostering a renewed interest in programming and technology.