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The story begins not in a gleaming Silicon Valley lab, but in the quiet, rain-drenched corners of Cambridge, where a Welsh engineer named Eben Upton harbored a simple, almost stubborn belief: that every child should have the chance to tinker, to break, to rebuild. It was 2008, and the world was hurtling toward an era of sleek, sealed devices—black mirrors that hid their secrets behind glass and aluminum.

Upton, a man who had spent years shaping the guts of microchips at Broadcom, saw something fading: the joy of understanding how things worked. So he, along with a handful of kindred spirits, planted the seed of the Raspberry Pi Foundation, a charity with a deceptively modest ambition: to put the power of computing into the hands of the curious.

By 2012, that seed had sprouted into something unexpected. The first Raspberry Pi—a credit-card-sized computer, costing no more than a textbook—rolled off production lines. It was built for classrooms, but the world had other plans. Hobbyists, hackers, and dreamers snatched it up, bending it to their will. What started as a tool for teaching Python to schoolchildren became a canvas for inventors. It powered weather stations, retro gaming consoles, and even the occasional robot butler. The Foundation, pleasantly overwhelmed, spun out a commercial arm to meet the demand, and soon, the little green board was everywhere—from the desks of budding coders to the hearts of industrial machines.

And then came the AI wave.

At first, it was a ripple. The Raspberry Pi 5 arrived in 2023, its processors humming with a newfound vigor—two, three times faster than its predecessors. Suddenly, the little board wasn’t just for hobbyists. It could handle the light lifting of edge AI: running models on factory floors, monitoring equipment in real time, prototyping the brains of tomorrow’s smart devices. The world, it turned out, was hungry for affordable, adaptable computing power, and Raspberry Pi was perfectly positioned to feed it.

By 2024, the company—now Raspberry Pi Holdings—took a bold step, ringing the bell of the London Stock Exchange. The IPO valued the business at over a billion dollars, a staggering figure for a project that had begun with the modest goal of teaching kids to code. The Foundation, still a major shareholder, watched as its creation grew wings. Yet Eben Upton, the man who had steered this ship from the start, remained characteristically pragmatic. In interviews, he’d smile and say the obvious: AI was pulling demand like a magnet. Factories wanted smarter controls. Engineers needed cheaper, nimbler tools. The Raspberry Pi, once a classroom novelty, was now a workhorse of the Industrial Internet of Things.

The numbers told the story. In the first half of 2026, Raspberry Pi sold over 4 million units, with 85% of its business flowing from industrial clients. Adjusted earnings soared past expectations, climbing toward $38 million in just six months—a figure that would have seemed like science fiction a decade earlier. The little green board was no longer just a toy. It was the nervous system of modern automation, the silent partner in the AI revolution, humming away in the background of a world growing smarter by the day.

And yet, Upton—ever the engineer, ever the realist—offered a gentle warning. Speaking to the Financial Times in 2026, he cautioned that the AI evangelists were overselling what the technology could truly do. The tools were powerful, yes, but they were not magic. The demand was real, but the hype? That was another matter. The Raspberry Pi, after all, had always been about doing more with less. And in that, at least, it had succeeded beyond anyone’s wildest dreams.

So here it stands: a company born from a charity, a device born from a classroom, now riding the crest of a technological tsunami. The Raspberry Pi is proof that the most revolutionary ideas are often the simplest ones—and that sometimes, the smallest things change the world the most.