Author Archives: Fernando Gomes

Rotary Controller Dials in PC Volume

As wonderful as mechanical keyboards are, most of the pre-fab and group buy models out there have zero media controls. If you want rotary encoders and OLED screens to show what function layer you’re working in, you’ll probably have to build your own keyboard from the ground up.

Hackaday alum …read more

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Posted in arduino, Arduino Hacks, arduino nano, electromechanical, rotary dial, trimline, volume control | Leave a comment

3D Printering: Sticky Resin Prints and How to Fix Them

After going through all the trouble of printing a part in resin, discovering it feels sticky or tacky to the touch is pretty unwelcome. Giving the model some extra ultraviolet (UV) curing seems like it should fix the problem, but it probably does not. So, what can be done?

The …read more

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Posted in 3d Printer hacks, 3D Printering, curing, Hackaday Columns, part washing, resin, sla, sticky prints, uv | Leave a comment

A Pocket Retro Computer Anyone Can Build

Not satisfied with any of the DIY retro computer kits on the market, [Leonardo Leoni] decided to make his own. Built using only the finest through-hole technology and powered by the ATmega328 microcontroller, his diminutive 8-bit computer is easy to build and even easier to develop for. Whether you’re looking …read more

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Posted in 8-bit computers, Arduino Hacks, atmega328, basic, qwerty, retro, retrocomputing, sh1106 | Leave a comment

Adding WiFi To Black Magic For Wireless GDB Action

[Thoquz] wrote to us about an interesting GitHub project by [Valmantas Palikša] involving the porting of the Black Magic firmware to ESP8266. For those who are unaware, Black Magic Probe is firmware along with a range of official and third-party boards that targets the debugging of Cortex-M and Cortex-A MCUs …read more

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Posted in black magic, black magic probe, debugging, gdb, Microcontrollers, news, Software Development | Leave a comment

Tiny Laser Cutter Puts Micro Steppers to Work

The influx of cheap laser cutters from China has been a boon to the maker movement, if at the cost of a lot of tinkering to just get the thing to work. So some people just prefer to roll their own, figuring that starting from scratch means you get exactly …read more

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Posted in cnc hacks, diode, dvd, ESP32, laser, laser cutter, laser hacks, led, linear drive, stepper | Leave a comment

Arduino Car HUD Does the Job

Many cars these days come with a basic Heads Up Display, or HUD. Typically, these display speed, though some also throw in a tachometer or navigational graphics too. Of course, if your car doesn’t have one of these stock, hacking in your own is always an option.

[PowerBroker2] developed this …read more

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Posted in car hacks, head-up display, heads up display, hud | Leave a comment

Ford’s Powershift Debacle

In the automotive world, change is a constant, and if you’re not keeping up, you’re falling behind. New technologies and methodologies are key to gaining an edge in the market, and companies invest billions each year trying to find the next big thing, or even the next minor incremental improvement. …read more

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Posted in car, car hacks, Featured, ford, transmission | Leave a comment

A Dual Screen Luggable With Integrated RTL-SDR

It’s been fascinating to watch the development of bespoke mobile computers go from a few sheets of foam board and a Raspberry Pi into hardware that looks like it’s actually been transported here from an alternate reality. Granted a Raspberry Pi is more often than not still onboard, but the …read more

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Posted in computer hacks, cyberdeck, luggable, mechanical keyboard, Raspberry Pi, Raspberry Pi 4, RTL-SDR, voronoi | Leave a comment

Dual-Wielding Robot Carves 3D Shapes From Foam With Warped Wire

“Every block of expanded polystyrene foam has a statue inside it and it is the task of the dual-arm hot wire-wielding robot to discover it.” — [Michelangelo], probably.

Be prepared to have your mind blown by this dual-wielding hot-wire 3D foam cutter (PDF). We’ve all seen simple hot-wire cutters before, …read more

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Posted in cnc, cnc hacks, cutter, expanded polystyrene, foam, hot-wire, kinematics, robot, robots hacks, styrofoam, YuMi | Leave a comment

Remotely Navigate the Apocalypse in Mid-Century Style

One of the few positives to come of this pandemic is that the restrictive nature of scarcity can be a boon to creativity. Plus, the doom and gloom of it all is causing people to loosen up and do things they never felt free enough to do before in the …read more

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Posted in apocalypse ride, art, Electronic Speed Controller, R/C car, suburban assault vehicle, tank treads, toy hacks | Leave a comment