When I first heard about the Raspberry Pi, I didn’t really care much about it because it wasn’t something new to me. A few years ago, I had experimented with an ARM-based development board (S3C6410 series), which I had in my hands for a short time. Although there are differences between that board and the Raspberry Pi—like its larger size, lack of HDMI port, no built-in touchscreen, and slightly lower price—it felt similar enough to me. At the time, I didn’t see any major differences in performance or cost-effectiveness. However, due to poor user experience and work-related reasons, I stopped using it after just a few days and eventually sold it two years later. That left me with a negative impression of ARM development boards, so I didn’t follow up on the Raspberry Pi updates for a long time.
ARM is a British company known for designing the ARM architecture, which refers to a family of 32-bit processors. These are not software but actual chips, widely used in many devices. Companies like Samsung and Apple license ARM technology to build their own chips. Importantly, ARM doesn't manufacture chips itself; instead, it licenses its processor designs to semiconductor companies that then produce the actual chips. In my view, ARM provides the core technical solution for processors, and each manufacturer adds their own components and peripherals to create their own versions of the chip. All such chips are collectively referred to as "ARM-based."
The Raspberry Pi, on the other hand, is a small single-board computer. It uses an ARM processor and runs either Linux or Windows, making it function like a mini desktop computer. Developed by the Raspberry Pi Foundation, a UK-based charity, the project was led by Eben Upton. The first version was released in 2012, and it quickly gained popularity due to its compact size—about the size of a credit card—but still capable of performing most basic computing tasks. The foundation’s goal was to promote computer science education and make computing more accessible and engaging, especially in schools. Initially, the concept was based on the Atmel ATmega644 microcontroller, and the first batch of boards were produced by manufacturers in Taiwan and mainland China.
Compared to traditional computers, the Raspberry Pi integrates most of the components into a single board. While it connects to a monitor, keyboard, and mouse similarly to a regular PC, the operating system is typically Linux-based. This makes it ideal for learning programming, experimenting with hardware, and building DIY projects. Despite its small size, it's powerful enough for many applications, from media centers to robotics and even lightweight servers. Over the years, the Raspberry Pi has evolved significantly, offering better performance and more features, which has helped it gain a large and active community of users worldwide.
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