Category Archives: computers

Send the time from a watch to a BBC micro:bit

Posted on August 27, 2022 by blogmywiki

Previously I got a BBC micro:bit sending temperature data to my BangleJS watch by Bluetooth. I did this using a very simple, but deprecated, Eddystone beacon radio protocol. I thought it would be interesting to send data the other way, … Continue reading →

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Use a micro:bit as remote Bluetooth temperature sensor

Posted on August 25, 2022 by blogmywiki

I love my BangleJS2 watch – it’s an inexpensive smart watch with custom firmware that allows you easily to write your own apps using JavaScript. I’ve already made a couple of watch faces for it, but I was keen to … Continue reading →

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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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