Author Archives: blogmywiki

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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Classic 68k Mac watch face

Posted on June 25, 2022 by blogmywiki

Back in November 2021, I got a BangleJS2 hackable smart watch, having backed it on Kickstarter. It’s no Apple Watch, for sure, but it’s much cheaper and you can write your own apps for it really rather easily, in JavaScript. … Continue reading →

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A tiny screen for a Raspberry Pi

Posted on June 9, 2022 by blogmywiki

I have a few old Raspberry Pis lying around, including a Model B Rev 1 running Raspberry Pi OS Buster lite. I use it to serve up my simple MUD game. It has no wi-fi so it’s connected by ethernet … Continue reading →

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Streaming internet radio on FM

Posted on June 7, 2022 by blogmywiki

Years ago I remember thinking how amazing it was that the Raspberry Pi could be turned into an FM radio transmitter with nothing more than a short piece of wire and some code. Back then you could only transmit audio … 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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