Categoria: Hackaday (https://hackaday.com/)

Measuring a Well with Just a Hammer and a Smartphone
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Measuring a Well with Just a Hammer and a Smartphone

What’s the best way to measure the depth of a well using a smartphone? If you’re fed up with social…

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Better C Strings, Simply
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Better C Strings, Simply

If you program in C, strings are just in your imagination. What you really have is a character pointer, and…

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FLOSS Weekly Episode 813a: Happy Holidays!
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FLOSS Weekly Episode 813a: Happy Holidays!

This week and next we take off for the holidays! We have an exciting schedule after the break, so stay…

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Simple Fluorometer Makes Nucleic Acid Detection Cheap and Easy
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Simple Fluorometer Makes Nucleic Acid Detection Cheap and Easy

Back in the bad old days, dealing with DNA and RNA in a lab setting was often fraught with peril….

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Upper Room UV-C Keeps Air Cleaner
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Upper Room UV-C Keeps Air Cleaner

2020 saw the world rocked by widespread turmoil, as a virulent new pathogen started claiming lives around the globe. The…

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Push for On, Hold for Off, AC Edition
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Push for On, Hold for Off, AC Edition

A common theme in modern consumer electronics is having a power button that can be tapped to turn the device…

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Enabling NVMe on the Raspberry Pi 500 With a Handful of Parts
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Enabling NVMe on the Raspberry Pi 500 With a Handful of Parts

With the recent teardown of the Raspberry Pi 500, there were immediately questions raised about the unpopulated M.2 pad and…

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PCB Motor Holds Fast, Even After 1.6 Billion Spins
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PCB Motor Holds Fast, Even After 1.6 Billion Spins

If you aren’t up to date with [Carl Bugeja]’s work with tiny brushless PCB motors, his summary video of his…

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Why NASA Only Needs Pi To So Many Decimal Places
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Why NASA Only Needs Pi To So Many Decimal Places

If you’re new to the world of circular math, you might be content with referring to pi as 3.14. If…

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A Compass That Looks to the Stars
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A Compass That Looks to the Stars

Although a lot of tools have been digitized and consolidated into our smartphones, from cameras, music players, calendars, alarm clocks,…

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