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HACKADAY
29,685 followers -
Hack EVERYTHING
Hack EVERYTHING

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Sometimes an upgrade works, sometimes it doesn't. What went wrong with this spot welder improvement?

Even when you build something really, really nice, there’s always room for improvement, right? As it turns out for this attempted upgrade to a DIY spot welder, not so much. You’ll no doubt recall [Mark Presling]’s remarkably polished and professional spot…
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Line detection in black-and-white technical drawings turns out harder than it sounds.

[Conor Patrick] is no stranger to hardware development, and he’s had an interesting project for the past few months. He’s attempting to create a tool to convert images of technical drawings (such as footprints for electronic components) into digital…
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A bus stop countdown timer using a RPi might be able to save the city thousands of dollars on a transportation upgrade

They say necessity is the mother of invention. But if the thing you need has already been invented but is extremely expensive, another mother of invention might be budget overruns. That was the case when [klinstifen]’s local government decided to put in…
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Custom #alexa skills with no coding? Maybe, if you can find the right blueprint.

If you can code, you can create an Alexa skill — the programs that allow an Amazon Echo or similar device interact with you. What if you can’t code or you are just too lazy to do all the setup? Amazon now has Blueprints that can help anyone make a skill.…
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One day, your CPU cooler may owe something to a ground-dwelling insect.

“We want to put water right into your processor.” If that statement makes you sweat, that is good. Sweating is what we’re talking about, but it’s more involved than adding some water like a potted plant. Sweating works naturally by allowing liquid to…
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Set your #drone to do 3D FPV

If you enjoy flying quadcopters, it is a good bet that you’ll have a drone with a camera. It used to be enough to record a video for later viewing, but these days you really want to see a live stream. The really cool setups have goggles so you can feel…
3D Drone Video
3D Drone Video
hackaday.com
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You too can contribute to #EMFCamp with a talk, workshop, performance, or installation! Just respond to their call for participation.

Sometimes the world of tech conference presentations can seem impossibly opaque, a place in which there appears to be an untouchable upper echelon of the same speakers who pop up at conference after conference. Mere mortals can never aspire to join them…
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Beer me, Jeeves!

[Josh] isn’t one to refuse a challenge, especially when robots are involved. The latest dare from friends and family? Build a beer robot that can bring beverages at everyone’s beck and call. The build consists of two main parts: the refrigerated cooler…
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Beer me, Jeeves!

[Josh] isn’t one to refuse a challenge, especially when robots are involved. The latest dare from friends and family? Build a beer robot that can bring beverages at everyone’s beck and call. The build consists of two main parts: the refrigerated cooler…
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Control a digital audio workstation with real hardware. DJs and musicians rejoice.

On-screen controls in a digital audio workstation expand the power of a DJ or musician, but they are not intuitive for everyone. The tactility of buttons, knobs, sliders and real-world controls feels nothing like using a mouse, trackpad, or even a…
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