Category Archives: tachometer

Laser Tachometer Knows How Fast You Were Spinning Back There

Does your drill go as fast as the manufacturer says it will? Well, you’d need a tachometer to figure that out. They’re not that expensive to buy, but as [Elite Worm] shows, they’re not that expensive to make, either — about $10 total if you get your parts from the …read more

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Posted in Arduino Hacks, arduino nano, oled display, relaxing build videos, tachometer | Leave a comment

Arduino Tachometer Clock Fires on All Cylinders

We’re certainly no strangers to unique timepieces around these parts. For whatever reason, hackers are obsessed with finding new and interesting ways of displaying the time. Not that we’re complaining, of course. We’re just as excited to see the things as they are to build them. With the assumption that you’re just as enamored with these oddball chronometers as we are, we present to you this fantastic digital tachometer clock created by [mrbigbusiness].

The multi-function digital gauge itself is an aftermarket unit which [mrbigbusiness] says you can get online for as little as $20 from some sites. All he needed …read more

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Posted in arduino, Arduino Hacks, clock, clock hacks, digital gauges, ds1307, rtc, tachometer | Leave a comment