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Latest Video

Clever engineering on a budget - ZX Spectrum Interrupts

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How do you make an underpowered 8 bit CPU seem a bit more capable than it really is? Interrupts! that mechanism where the CPU can be poked and told to do something completely different, then resume whatever it was originally doing as if it’d never stopped.

Videos

Debugging Z80 With Arduino

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Debugging Z80 With Arduino

Let's hook an Arduino up to a 1980s CPU and see what happens!

Pascal programming on a Z80

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Pascal programming on a Z80

Writing fractals on a 7MHz computer with 64K of RAM

Esd Safe Soldering Station Hack

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Esd Safe Soldering Station Hack

Turns out my £20 soldering station does indeed work, but its claims of ESD safety are lies. Let's fix that!

Grandma Shark 20 Quid Soldering Station

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Grandma Shark 20 Quid Soldering Station

I bought a soldering iron for £20 from Amazon. Is it any good? Does it even work?

Building Z80 Computer RC2014

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Building Z80 Computer RC2014

I build a Z80 based computer from scratch, and it works!

Blog Posts

  • 2021 Review

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    How was 2021 for you? I mean, compared to 2020 it was a big improvement, but that’s a pretty low bar to aim for. Let’s focus more on the projects that I completed and what I learned from them.

  • Crap quality USB cables

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    I think I’ve just had a bit of a revelation… USB-C is the best thing ever. Not only because the plug isn’t polarised, but because if you want a true USB-C to USB-C cable there doesn’t appear to be any cheap crappy ones.

  • SMT Soldering and Atari ST Repairs

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    Yesterday I recapped my ST’s PSU which went well, nothing exploded. However when trying to boot the machine it kept crashing, especially when it went to the desktop.

  • Updated Website

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    I’m not a web designer, I find the creative part quite interesting but buggering about with templating languages and having to learn far more JavaScript and CSS than is healthy really puts me off.