I have done a couple of videos on some history, which may interest some people...
Showing posts with label technophone. Show all posts
Showing posts with label technophone. Show all posts
2025-12-28
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Dodecahedron
I was shown a dodecahedron with LEDs inside. Looked great, so decided to have a go. The principle is not that hard - a PCB strip on the insi...
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Broadband services are a wonderful innovation of our time, using multiple frequency bands (hence the name) to carry signals over wires (us... -
For many years I used a small stand-alone air-conditioning unit in my study (the box room in the house) and I even had a hole in the wall fo... -
This is an appeal for (sensible) comments. I am working on revised A&A tariffs for broadband. For those that are not sure how they wor...