The Raspberry Pi is four years old, and in those four years over eight million have been sold. From humble beginnings in Eben and Liz Uptonโs garageย the Pi has travelled a long way, including at the end of last year, to the International Space Station.
So four years on, and eight million boards later, I thought it might be fun to look back at some of my favourite Pi-powered projects weโve featured here on the blog, and out in the world.
The Frozen Raspberry
Possibly one of the most impressive projects Iโve seen. Built out of 48 individual Raspberry Pi boards by Andrew Robinson, each with a Pi camera module attached, the Frozen Raspberry is a bullet time rig. Made famous by the fight scenes in Theย Matrix, the bullet time effectย might seem almost commonplace today since itโs been used so many times now in movies, however building a rig to duplicate the effectย usingย theย Raspberry Pi is an amazing technical achievement.
Raspberry Pirate Radio
This hack turns your Raspberry Pi into a powerful FM transmitter, with nothing more than a length of wire and software. While the Frozen Raspberry is impressive, this is the coolest and most minimal hack I’ve seen.
A Raspberry Pi Tablet
Built byย Michael Castor, the PiPad is an all-in-one system built around the Raspberry Pi. Itโs usable, portable and Linux based โ it also looks pretty cool and doesn’t scareย the TSA.
Bulk Arduino Programmer
If you have the need to program tens, hundreds, or perhaps even thousands of Arduino boards, then youโll be needing a bulk programmer. This one, built by Ben Prit the creator of Mirobot โ who we talked to last year at Maker Faire UKย โ is of course built around a Raspberry Pi.
Building a Bramble
Now expanded to eight nodes, I couldn’t not mention my own favourite Raspberry Pi project, my Raspberry Pi cluster. Originally put together with just four nodes, three Raspberry Pi 2 boards for compute nodes, and an original Model B for the head node. I wanted the clusterย โ more commonly known as a โbrambleโ โ to be as compact as possible, with just two cables coming out, one for power and the other for network. I made use of a USB hub to power the boards, and a small Ethernet switch which I could hack to also be powered from the USB hub rather than from a separate wall wart.
In closing…
The Pi has been used for education, for making, and has even gone into space. Iโveย seen some amazing things built with the Pi, from an ROV, to a robot that collects ping pong balls.
If youโve just picked up a Piย there are plenty of things you can plug into itย and plenty of projectsย to inspire your next build. Whilst there are other boards, in the fourย years it has been around the Pi has come to dominate the single-board computer market and, perhaps moreย importantly, has built a vibrant community that excels in making stone soupย with the Pi.
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