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Featuring homemade electronic gadgets, the latest in development boards (Arduino, BeagleBoard, Raspberry Pi, etc), examples of cool design, and the latest and greatest (and most shiny) consumer gadgets.

Electronic Gadget News: Light flashers/blinkers

Gadget Master hand crafts particle accelerator!

Full marks to this project for an attention grabbing title – a handmade particle accelerator. They’re looking for the Higgs boson particle down in the LHC near Geneva, but recently a more modestly crafted particle accelerator was displayed at a Milanese department store, as part of Milan Design Week. The…

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MonkeyLectric Video Pro LED bike wheel display

We flagged this one before – SpikePOV – Bicycle LED persistence of vision – with SpokePOV, or “persistence of vision for your bike”, being a way to have a bit of fun driving LED lights to improve your bike’s visibility. Well here’s another great video of the system in action, featuring…

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Peggy 2 LED array becomes animated video

Back to In the (LED) light >> Peggy 2, I love you… Thanks to our technology Editor, Steve Bush, for flagging this one. It dovetails nicely with our recent Build your own LED Cube post, and involves the programming of a colour LED array. A Peggy 2 LED matrix…

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Build your own LED cube

Back to In the (LED) light >> This month’s featured Gadget Master is provided by an old favourite of the blog, Peter Griffiths. He shares all the details necessary to build your own 5 x 5 LED cube. Construct your own programmed light display Once again, the project…

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Peter plots an LED UFO chaser

Peter Griffiths – the man who made a lamp into a work of art and turned to LEDs for F1 gantry start-lights – returns with some LED chasing. This neat little circuit provides 8 LEDs directly driven from the PIC along with a single mode control switch. The firmware described drives…

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LED lighting and voltage boosting

Thanks to Made By Monkeys for highlighting this one – involving a dual-purpose torch / bicycle-light that was eating NiMH cells pretty fast… Blogger ‘Le Magicien’ got to work, modding the device. He writes: I like this torch a lot but… the incandescent bulb eats the NiMH cells pretty fast…

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Hans' Nixie clock takes a step back in time

Return to Time is slipping away Back in the days of the Berlin Wall, these Nixie tubes were manufactured by a now long-forgotten company. Fast forward to the twenty-first century, and Hans Summers found them stocked by an antique electronics part company. Originally painted red, the coating from…

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Simple Christmas-tree lights tester

Why is that you always test 48 bulbs before you find the bad one in a 50-light string? This simple circuit allows you to divide and conquer, greatly reducing the time it takes to find the bad bulb…

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