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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: Audio Amplifiers

Telephone Remote Monitor, seventies style

This was a great find. A colleague, in the middle of a garage rummage over the weekend, unearthed a very old copy of Everyday Electronics (Nov 1974, 20p). And it’s great…

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The CD case is the performance!

Thanks to our technology editor Steve Bush for highlighting this one – a CD case that is the music. It’s Tristan Perich’s 1-Bit Symphony and it features a musical microchip… The opus is described thus: Tristan Perich’s 1-Bit Symphony is an electronic composition in five movements…

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Build your own Diddley Bow electric slide guitar

Fancy building your own Diddley Bow electric slide guitar (or “monochord zither” as my ethnomusicologist father would call it)? Instructables has a cool project for building one of the Southern States guitars. You’ll soon be beating out a rhythm on the single string, changing the pitch with a bottle…

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Tesla musica electronica

More musica electronica… Joel Young has already blogged about Nikola Tesla today, and here is another spectacular varion on the theme – tesla coils playing music. Check out this video from YouTube demonstrating the possible audio effects.mankee1337 writes: My 250,000 volt Tesla Coil playing Mario Brothers. All the sound…

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Manly speakers

Exploring around the Instructables site, this self-amended gadget caught my eye – Munny Speakers. The phenomenon of modifiable Munnys (“The Greatest Do It Yourself Toy”) has escaped my attention – perhaps the parents among you are already too familiar with these – but the application here is quite obvious. “Give your speakers…

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Andrew liked the sound of nostalgia

The best companion to your music collection Everyone loves valve hi-fi equipment. A fan of mixing the old with the new, Andrew Smith designed a very high performance valve headphone amplifier. Using a unique combination of thermionic and semiconductor technology, the headphone amp runs from a regulated 15V, 1A…

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Introducing the 22 Watt audio amplifier

This clever chap has developed a cheap and easy to build 22 watt amplifier. Quite compact, the audio amplifier can be used with a car audio system, a booster for speakers in a home theatre stereo system, or to give your computer’s speakers some extra power. The audio amplifier…

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Theremin music to our ears

Today’s blog is dedicated to that rare and sometimes misunderstood creature that is the theremin. For those of you that don’t know, the theremin is one of the earliest fully electronic musical instruments, created by Russian Gadget Master and physicist Lev Sergeivich Termin (also known as the very…

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