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Controlling a chain of MAX7219 LED matrices using C on a Raspberry Pi Pico
from blog Kevin Boone's website, | ↗ original
More from Kevin Boone's website
They don't make them like that any more: Sony PRS-500 e-reader
9 Dec 2024 |
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In a market dominated by the Amazon Kindle, it's easy to forget that Sony, not Amazon, made the first commercially-successful e-book reader.
They don't make 'em like that any more: things you can switch off
8 Dec 2024 |
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How worried should we be, that we're wasting electrical energy for no benefit?
The Argleton affair, and the Wikification of the World-Wide Web
5 Dec 2024 |
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How a non-existent English village ended up on maps, and the implications this has for how we handle information.
Extending the bash 'cd' command in Linux
5 Dec 2024 |
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The built-in cd command in the bash shell is not as smart as it could be; but it's a little fiddly to extend its functionality.
Using an ammo box as portable 12V power supply
5 Dec 2024 |
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A military-surplus steel ammunition box makes a great housing for a high-current, outdoor 12V power supply. This article gives some ideas about how to build one.