Category Archives: microbit

Collect and graph micro:bit data on a Raspberry Pi

Posted on July 17, 2022 by blogmywiki

Using a BBC micro:bit, an old Raspberry Pi and a surprisingly small amount of code, you can log sensor data in a simple CSV (comma separated values) text file and plot it on an interactive graph you can access from … Continue reading →

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Emojify your Python

Posted on April 11, 2022 by blogmywiki

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

Posted on April 9, 2022 by blogmywiki

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

Posted on December 3, 2021 by blogmywiki

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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micro:bit pulse oximeter

Posted on September 30, 2021 by blogmywiki

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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