Category Archives: hardware

A Hacker’s Guide to JTAG

If you’re reading Hackaday, you’ve almost certainly heard of JTAG. There’s an excellent chance you’ve even used it once or twice to reflash an unruly piece of hardware. But how well do you actually know JTAG? More specifically, do you know how useful it can be when reverse engineering hardware? …read more

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Posted in debugging, firmware, hardware, jtag, openocd, reverse engineering | Leave a comment

Magnets Turn Flexible PCB Into Electric Grasshopper

Just because something doesn’t seem to have an apparent purpose, that doesn’t mean we shouldn’t try making it anyway. As flexible PCBs become cheaper and easier to order from low-scale fab houses, we’re seeing hobbyists experiment with new uses for them such as [Carl Bugeja]’s jumping circuit.

The circuit is …read more

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Posted in electromagnet, flexible circuit board, flexible PCB, flexible robotics, hardware, magnets | Leave a comment

Dissecting China-Sourced Vintage HP 1970s ICs: Genuine Or Not?

While repairing a real-time clock module for a 1970s HP computer that had been damaged by its leaky internal battery, [CuriousMarc] began to suspect that maybe the replacement clock chips which he had sourced from a seller in China were the reason why the module still wasn’t working after the …read more

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Posted in AC5948N, hardware, HP, repair hacks, retrocomputing, texas instruments | Leave a comment

Surviving The Apocalypse With A Briefcase Full Of Pi

Let’s imagine that you’ve spent most of your life indoors tinkering with electronic gadgets and that you don’t have a lot of practical survival experience. Since you’re currently reading Hackaday, it shouldn’t be much of a stretch for you. Let’s further imagine that our entire civilization gets upended by an …read more

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Posted in hardware, mobile computer, Raspberry Pi, recovery, rugged raspberry pi, survival | Leave a comment

The High Seas are Open Source

One of the biggest problems of owning an older boat (besides being a money pit – that is common to all boats regardless of age) is the lack of parts and equipment, and the lack of support for those parts if you can find them at all. Like most things, …read more

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Posted in Autopilot, boat, germany, hardware, navigation, open source, software, transportation, transportation hacks | Leave a comment

DIY Power Station Puts Ryobi Batteries to Work

Anyone with a few cordless tools has probably amassed quite a collection of batteries for them. If you’re a professional contractor, having a fleet of batteries you can swap out during the day’s work is a necessity. But if you’re just doing the occasional DIY project, those batteries are probably …read more

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Posted in battery power, hardware, portable power, ryobi, usb charging | Leave a comment

Transparent LCD Makes Everything Look Futuristic

According to [Kelsey], transparent displays are guaranteed to make “everything feel like the future.” Unfortunately they’re hard to find, and the ones typically available are OLED and can’t make solid black colors. But as luck would have it, it’s possible to repurpose a common LCD to be sort of transparent. …read more

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Posted in hardware, lcd, parts, polarizer, transparent, transparent display | Leave a comment

Who Invented the Mouse? Are You Sure?

If you ask most people who invented the mouse, they won’t know. Those that do know, will say that Doug Englebart did. In 1964 he had a box with two wheels that worked like a modern mouse as part of his work at Stanford Research Institute. There is a famous …read more

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Posted in Featured, hardware, history, mouse, trackball | Leave a comment

New Part Day: Arduino Goes Pro with the Portenta H7

The Consumer Electronics Show in Las Vegas is traditionally where the big names in tech show off their upcoming products, and the 2020 show was no different. There were new smartphones, TVs, and home automation devices from all the usual suspects. Even a few electric vehicles snuck in there. But …read more

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Posted in arduino, Arduino Hacks, ARM Cortex-M4, ARM Cortex-M7, ces, eNUC, Hackaday Columns, hardware, industrial components, javascript, news, portenta, python, STM32H7, USB Type-C | Leave a comment

Living At The Close Of The Multiway Era

After over a decade of laptop use, I made the move a couple of months ago back to a desktop computer. An ex-corporate compact PC and a large widescreen monitor on a stand, and alongside them a proper mouse and my trusty IBM Model M that has served me for …read more

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Posted in cables, green hacks, Hackaday Columns, hardware, recycling, scart, scsi, vga | Leave a comment