Hackaday Links: January 2, 2012

The worst computer keyboard, ever

[Gerardus] found an old BBC Master Compact computer for $15. The only problem is the computer didn’t have a keyboard. It’s not a problem if you can make a keyboard out of an old breadboard. It’s not a Model M, but it works.

Emergency ribbon cable repair

[Thomas] works in a hospital. One night, a piece of equipment went down because of a bad ribbon cable. Doctors were yelling at him to get the equipment up and running so out of frustration, he took stapler to the cable. It held up until a replacement arrived. Check out these pics: one and two.

Nobody remembers Little Nemo: Adventures in Slumberland

Here’s [Alan]‘s gigantic Nautilus art car with a huge mechanical iris. Just watch the video and be amazed. We won’t hazard a guess as to how much money went into all that brass and copper, but we can confirm an Arduino controls the iris. Check out the build page.

Light up street art

[Grissini] put up an instructable for a light box that displays [Bansky] street art. We’d go with some RGB leds and a [Keith Haring] motif, but more power to ya.

A theater wind machine

This wind machine was built by [Willaim] for his High School’s choir concert. It’s basically a concrete form tube with plastic lids taped on and a piece of pipe serving as an axle. The machine makes a wind noise with the help of some nylon pants.

Vintage peripheral hacks roundup

A few days ago, we featured an Apple ][ USB keyboard mod, and several readers chimed in sharing their own retro conversions in the comments section. We had no idea that many of you had made similar modifications of your own, so here’s a quick roundup of what your fellow Hackaday readers have put together.


Optical Atari STM1 Mouse

atari_stm1_usb

[JJ] had a 25-year old Atari STM1 mouse sitting around and was wondering how to get it to work with his new computer. Instead of interfacing the old mouse with his computer via a custom circuit board, he gutted the STM1 and replaced the innards with those of a much newer optical mouse. He did a bit of trimming to get the new PCB to fit, aiming the optical sensor through the now-empty “ball hole”. According to [JJ] it works just as good as it looks.


ZX Spectrum USB keyboard conversion

sinclair_zx_spectrum_usb

[Lee] is a sucker for vintage hardware, and with the help of his friend [LanceR], resurrected an old Sinclair ZX Spectrum computer into a working USB keyboard. After replacing the deteriorated membrane, the pair mapped out the keyboard to figure out how the matrix was wired. With that done, they built a prototype USB interface board, which they later replaced with a proper PCB.


BBC Master Compact USB keyboard conversion

bbc_master_compact_usb

A friend of [MoJo’s] had a BBC Master Compact computer from back in the day and wanted to have the keyboard converted to USB in order to use it with certain emulators. [MoJo] gladly took on the project, stripping some of the old motherboard components out to make room for his new circuitry. He built a USB interface board around an ATMega162, and even got the old built-in speaker working properly. From the outside, the keyboard looks like it has never been touched – nice job!

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