Category Archives: hardware

Emojify your Python

I’ve been thinking of ways of sharing Python programs on Twitter and I’ve come up with something a bit crazy, but which might have other uses. The micro:bit Python emojifier encodes and condenses Python programs using emojis. It also decodes … Continue reading

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micro:bit numbers station

Numbers stations are / were spooky shortwave radio stations, best known from the Cold War, which broadcast human voices reading numbers, usually in groups of five. It’s widely assumed these were / are used by many nations for communicating with … Continue reading

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Simple micro:bit video out

I love making little computers and getting video out from Arduinos and even micro:bits – IchiconQuest is a lovely self-contained, if eccentric, computer you can make with a micro:bit that has video out. I stumbled upon the video above remarkably … Continue reading

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Ceefax from an old Raspberry Pi

Got an old Raspberry Pi? Nostalgic for the golden age of teletext? Why not make your own in-house teletext server? For those who may be unaware, teletext was a service common in European (PAL TV standard) countries that transmitted news … Continue reading

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micro:bit pulse oximeter

Around the same time I bought a cheap eCO2 sensor, I bought a MAX30100 pulse oximeter board for a few quid. I never got it working, partly because the protocol for making it work is very complex (way more complex … Continue reading

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