calculator Archives

Homemade Clackulator

Gregory Hayes

Gregory Hayes is a helpful being who has lots of fun. He makes most of his living as a photographer and writer, and occasionally tweets @mootpointblank.

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May 14th, 2014 0

When you think “pocket calculator,” your next thought probably isn’t “custom cabinetry.” But this single-operation relay calculating engine deserved nothing less.

Iphone Camera Identifies Resistor Values

In addition to being an online editor for MAKE Magazine, Michael Colombo works in fabrication, electronics, sound design, music production and performance (Yes. All that.) In the past he has also been a childrens' educator and entertainer, and holds a Masters degree from NYU's Interactive Telecommunications Program.

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March 6th, 2012 28

Speaking from experience, I’ve gone through the madness of sorting hundreds of resistors. Even if you have sharp vision and good color discrimination, it’s a challenging chore. Rich Olson of Nothing Labs coded an Iphone app that allows you to simply take a picture of the resistor, drag bar shaped indicators onto the resistor, and receive the ohm value and tolerance of the resistor.

128 vintage pocket calculators

By Sean Michael Ragan

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

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