Hackaday Prize Entry: Printem Is Polaroid For PCBs

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Aug 242016
 


We are going to great lengths to turn a quick idea into an electronic prototype, be it PCB milling, home etching or manufacturing services that ship PCBs around the world. Unwilling to accept the complications of PCB fabrication, computer science student [Varun Perumal Chadalavada] came up with an express solution for PCB prototyping: Printem – a Polaroid-like film for instant-PCBs.…
Source: Hackaday Prize Entry: Printem Is Polaroid For PCBs

HTC Vive Gives Autonomous Robots Direction

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Aug 242016
 


The HTC Vive is a virtual reality system designed to work with Steam VR. The system seeks to go beyond just a headset in order to make an entire room a virtual reality environment by using two base stations that track the headset and controller in space. The hardware is…
Source: HTC Vive Gives Autonomous Robots Direction

DIY USB power bank from laptop battery

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Aug 242016
 


A DIY USB power bank made from an old laptop battery from DoItYourselfGadgets: A situation many can relate to: an empty smartphone battery and no outlet around! That’s exactly why I recycled an old laptop battery into an USB power bank. This article will show you the basic powerbank circuit consisting…
Source: DIY USB power bank from laptop battery

Charliplexed 7-Segment Display Takes Advantage of PCB Manufacturers

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Aug 242016
 


Cutting out precise shapes requires a steady hand, a laser cutter, or a CNC mill, right? Nope! All you need is PCB design software and a fabrication facility that’ll do the milling for you. That’s the secret sauce in [bobricius]’s very pleasing seven-segment display design. His Hackaday.io entry doesn’t have…
Source: Charliplexed 7-Segment Display Takes Advantage of PCB Manufacturers

Time Lapse Rig Puts GoPro into Orbit – in Your Shop

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Aug 232016
 


The combination of time-lapse photography and slow camera panning can be quite hypnotic – think of those cool sunset to nightfall shots where the camera slowly pans across a cityscape with car lights zooming by. [Frank Howarth] wanted to replicate such shots in his shop, and came up with this…
Source: Time Lapse Rig Puts GoPro into Orbit – in Your Shop

All About Biosignals

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Aug 232016
 


DIY medical science is fun stuff. One can ferret out many of the electrical signals that make the body run with surprisingly accessible components and simple builds. While the medical community predictably dwells on the healthcare uses of such information, the hacker is free to do whatever he or she…
Source: All About Biosignals

RGB LEDs: How to Master Gamma and Hue for Perfect Brightness

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Aug 232016
 


You would think that there’s nothing to know about RGB LEDs: just buy a (strip of) WS2812s with integrated 24-bit RGB drivers and start shuffling in your data. If you just want to make some shinies, and you don’t care about any sort of accurate color reproduction or consistent brightness,…
Source: RGB LEDs: How to Master Gamma and Hue for Perfect Brightness

Compact ePaper Business Card

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Aug 232016
 


Is your business card flashy? Is it useful in a pinch? Do they cost $32 each and come with an ePaper display? No? Well, then feast your eyes on this over-the-top business card with an ePaper display by [Paul Schow]. Looking to keep busy and challenge himself with a low-power…
Source: Compact ePaper Business Card

Colossus: Face To Face With The First Electronic Computer

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Aug 232016
 


When the story of an invention is repeated as Received Opinion for the younger generation it is so often presented as a single one-off event, with a named inventor. Before the event there was no invention, then as if by magic it was there. That apple falling on Isaac Newton’s…
Source: Colossus: Face To Face With The First Electronic Computer

DIY Pressure Regulator for Exciting SCUBA

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Aug 232016
 


To get a SCUBA certification, a prospective diver will need to find a dive shop and take a class. Afterwards, some expensive rental equipment is in order. That is, unless you’re [biketool] who has found a way to build some of his own equipment. If you’re looking for a little…
Source: DIY Pressure Regulator for Exciting SCUBA

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