Monthly Archives: November 2019

DIY CNC Router Uses Chains The Right Way

There are a million and one ways to build your own CNC router, depending on your tastes, budget, and application, your design choices will differ accordingly. [Steve Tying] was well aware of this when undertaking his project, and built the machine that made sense for him.

[Steve’s] build has a …read more

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Posted in chain, cnc, cnc hacks, DIY CNC | Leave a comment

A Scratch-built RISC-V CPU in an FPGA

“RISC architecture is going to change everything”, which is why [SHAOS] is building this cool RISC-V DIY retro-style computer.

The project took inspiration from another hacker’s work in building a RISC-V emulator; shared in the Hackaday FPGA chat. He took it a bit further and got it going on an …read more

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Posted in emulate, fpga, lattice, RISC-V, RISCV, The Hackaday Prize, The Hackaday Prize 2019 | Leave a comment

KiCad Action Plugins

The last two years has been a particularly exciting time for KiCad, for users, casual contributors, and for the core developers too. Even so, there are many cool new features that are still in process. One bottleneck with open-source development of complex tools like KiCad is the limited amount of …read more

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Posted in Action Plugins, eda, Hackaday Columns, KiCAD, python, tool hacks | Leave a comment

Behold a 3D Display, Thanks to a Speeding Foam Ball

We’ve seen 3D image projection tried in a variety of different ways, but this is a new one to us. This volumetric display by Interact Lab of the University of Sussex creates a 3D image by projecting light onto a tiny foam ball, which zips around in the air fast …read more

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Posted in 3d, acoustic, levitation, science, ultrasonic, video hacks, volumetric display | Leave a comment

Teardown: VTech PreComputer 1000 is an Iconic PC in a Toy Wrapper

Back in the days before kids could be placated with a $50 Android burner phone, many a youngster was gifted a so-called “educational computer” to keep them occupied. Invariably looking like a fever dream version of the real computer their parents didn’t want to let them use, these gadgets offered …read more

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Posted in 8-bit computers, Featured, Interest, PreComputer, retrocomputer, retrocomputing, teardown, toy computer, toy hacks, VTech, z80, Zilog Z80 | Leave a comment

A Mechanical Shutter Release For A Digital Camera

Most digital cameras these days come with some kind of electronic remote shutter release. Various solutions exist, using USB cables, smartphone apps, or dedicated remotes. [Steloherd] wasn’t happy with the options available for his Ricoh GRII, though, so built a rig to do things the old fashioned way.

[Steloherd] wanted …read more

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Posted in camera, digital cameras hacks, hot shoe, shutter release | Leave a comment

This RGB Tree Has its Roots in a PCB

[Paczkaexpress]’s RGB tree is a mix of clever building techniques and artistic form that come together into quite a beautiful sculpture.

The branches of his tree are made from strands of enameled copper wire capped with an RGB LED and terminated in a female header. The separate wires are all …read more

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Posted in 2019 Hackaday Prize, led, led hacks, rgb, stm32, The Hackaday Prize, tree | Leave a comment

A Newbie Takes the SMD Challenge at Supercon

First-time visitors to Disneyworld often naively think they’re going to “do” the park in three days: one day for the Magic Kingdom, one day for Epcot, and one day for everything else. It’s easy to spot such people, collapsed on a bench or dragging exhausted kids around while trying to …read more

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Posted in 2019 Hackaday Superconference, cons, Hackaday Columns, Skills, smd, soldering, Supercon | Leave a comment

Used EDM Electrodes Repurposed as Air Bearings for Precision Machine Tools

If you’ve ever played air hockey, you know how the tiny jets of air shooting up from the pinholes in the playing surface reduce friction with the puck. But what if you turned that upside down? What if the puck had holes that shot the air downward? We’re not sure …read more

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Posted in air bearing, bearing, EDM, electrode, graphite, Machine tool, micron, misc hacks, nanometer, Pneumatics, precision, tool hacks | Leave a comment

Optical Keyboards Have Us Examining Typing at Light Speed-ish

There’s a newish development in the world of keyboards; the optical switch. It’s been around for a couple years in desktop keyboards, and recently became available on a laptop keyboard as well. These are not replacements for your standard $7 keyboard with rubber membrane switches intended for puttering around on …read more

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Posted in cherry mx, cherry switches, Featured, Interest, keyboard, keyboard input, keyboard switches, mechanical keyboard, membrane keyboard, peripherals hacks | Leave a comment