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DIY Calculator Watch Will Make You King Of The Nerds

DIY Calculator Watch Will Make You King Of The Nerds

µWatch (Images courtesy David Jones)
By Andrew Liszewski

When his Casio CFX-400 scientific calculator watch broke after 10 years of day-to-day use, David Jones went looking for a replacement. Unfortunately similar watches on the market today just didn’t cut it, mostly because they only include basic 4 function calculators. So instead of resorting to carrying a full-sized calculator wherever he went, he decided to try and make his own. After finding a 53mm x 20mm compact 2 line LCD display that seemed to fit his wrist, he spent about 30 hours building the first prototype using only off-the-shelf components. The version pictured above is actually the second prototype, and while it might look a little rough without a case, it’s actually more impressive since you realize it’s not a commercially available watch.

For those hoping to make their own calculator watch, there’s a Design & Construction section on David’s website which will hopefully one day include a thorough tutorial on how he put it together. And for the electronically inept, there’s a Get One! section, which is also unfortunately empty at the moment.

[ µWatch – World’s First D-I-Y Scientific Calculator Watch! ] VIA [ MAKE: Blog ]







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  • Paul

    Only in Australia!

    For those super keen on DIY the background image on the web site is the schematic.