Author Archives: blogmywiki

A Christmas Ghost Story: The Tedious Case of Room 623

Had an idea for a story while walking the dog. I was going to abandon it, or at the very least change the narrator’s preposterous name, when I discovered that Agatha Christie wrote over a dozen stories about a man … Continue reading

Posted in fiction | Tagged , , | Leave a comment

Social migration

This is not intended to be another long take on Elon Musk’s Twitter takeover, heaven knows enough has been said about that, but a few thoughts as I mothball my Twitter account… I have long-disliked Musk. He’s not a good … Continue reading

Posted in Uncategorized | Tagged , , | Leave a comment

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

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

Posted in computers, microbit | Tagged , , , , | Leave a comment

Use a micro:bit as remote Bluetooth temperature sensor

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

Posted in computers, education, ICT, microbit | Tagged , , , , , , , , | Leave a comment

Collect and graph micro:bit data on a Raspberry Pi

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

Posted in microbit, Raspberry Pi | Tagged , , , , | Leave a comment