Author Archives: Fernando Gomes

Real Engineering Behind Ventilators

Experts on cognition tell us that most people think they know more than they really do. One particular indicator for that is if someone is an expert in one field and they feel like all other fields relate to theirs (everything boils down to math or chemistry or physics, for …read more

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Posted in Covid-19, Medical hacks, medtronics, news, ventilator | Leave a comment

Reliability Check: Consumer and Research-Grade Wrist-Worn Heart Rate Monitors

Wearables are ubiquitous in today’s society. Such devices have evolved in their capabilities from step counters to devices that measure calories burnt, sleep, and heart rate. It’s pretty common to meet people using a wearable or two to track their fitness goals. However, a big question remains unanswered. How accurate …read more

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Posted in fitbit, fitness tracker, heart monitor, heart rate, Medical hacks, wearable, wearable hacks | Leave a comment

Help Save The National Videogame Museum

The National Videogame Museum in Sheffield, UK, houses a unique collection celebrating all decades of video games and their culture, and as the lockdown has brought with it a crisis threatening its very existence, has launched a crowdfunding campaign with a video we’ve placed below the break. As a relatively …read more

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Posted in Covid-19, crowdfunding, museums, NVM, retrocomputing | Leave a comment

Compiling C to PowerPoint

If you have worked for a large company — or even a small one — it might seem that you spend more time writing PowerPoint charts than programming. [Tom Widenhain’s] video asks the question: Can we compile C into PowerPoint? Watch the video below to find out the answer. Would …read more

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Posted in c compiler, Powerpoint, software hacks, x86 | Leave a comment

Flexible Build Platforms Work For FDM, How About SLA?

Flexible steel sheets as the foundation for build platforms are used to great advantage in FDM 3D printers. These coated sheets are held flat by magnets during printing, and after printing is done the sheet (with print attached) can be removed and flexed to pop the prints free. This got …read more

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Posted in 3d printer, 3d Printer hacks, 3d printing, flexible build platform, proof of concept, prototype, resin, sla | Leave a comment

Download A Bit Of Sinclair History

If you are a devotee of the Sinclair series of 8-bit home computers then a piece of news from the Centre For Computing History in Cambridge may be of interest to you, they’ve released a copy of the ROM from their ZX Spectrum prototype. This machine surfaced last year as …read more

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Posted in prototype, retrocomputing, rom, ZX Spectrum | Leave a comment

Global Status Board Keeps Eye on COVID-19 Situation

When it comes to keeping abreast of the COVID-19 pandemic, there are basically two schools of thought. Some people would rather not hear the number of confirmed cases or deaths, and just want to focus on those who recovered. That’s fair enough. But others want to have all of the …read more

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Posted in annunciator, api, Covid-19, ESP32, led hacks, Microcontrollers, wall mounted | Leave a comment

An Arduino-Free Automatic Alcohol Administrator

With all the hands-free dispenser designs cropping up out there, the maker world could potentially be headed for an Arduino shortage. We say that in jest, but it’s far too easy to use an Arduino to prototype a design and then just leave it there doing all the work, even …read more

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Posted in airline tubing, dispenser, green hacks, IR proximity sensor, lifehacks, lockdown life, misc hacks, submersible pump, transistor | Leave a comment

Harry Potter Wand Hack Makes Magic Real

Any sufficiently advanced hack is indistinguishable from magic, a wise man once observed. That’s true with this cool build from [Jasmeet Singh] that magically opens a box when you wave a Harry Potter magic wand in the right way. Is it magic? No, it’s a neat hack that uses computer …read more

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Posted in harry potter, machine learning, opencv | Leave a comment

Hackaday Links: April 5, 2020

Git is powerful, but with great power comes the ability to really bork things up. When you find yourself looking at an inscrutable error message after an ill-advised late-night commit, it can be a maximum pucker-factor moment, and keeping a clear enough head to fix the problem can be challenging. …read more

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Posted in amateur radio, basic, BBC Micro, birth announcement, bork, commit, Covid-19, enig, error, Git, Hackaday Columns, Hackaday links, license, panelizing, pcb, tweet, twitter | Leave a comment