Monthly Archives: May 2016

Pragotron Slave Clock – Part 4 – Odd’s and Ends

Given that my clock driver is complete and seems to work quite nicely I think I will move on to other projects however if anyone else is considering building their own variant to drive a vintage clock then I’ll leave … Continue reading

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Pragotron Slave Clock – Part 3 – Software

My previous experiments around decoding long wave radio time signals primarily involved using the UK’s time signal MSF60 (https://en.wikipedia.org/wiki/Time_from_NPL) previously known as the Rugby time signal. This transmission no longer originates from Rugby, it moved north to cumbria and seems … Continue reading

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Pragotron Slave Clock – Part 2 – High level design

So with my clock sitting idle on the wall it is time to come up with a design that will send it periodic pulses, once per minute, with +24V and then -24V on alternate minutes… I really want this to … Continue reading

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Pragotron Slave Clock

Whenever I am really busy it seems I get distracted, maybe a failing, I guess, but it always makes life interesting. ┬áRecently I came across a number of articles on electrically driven clocks, slave clocks, which are mechanical devices that … Continue reading

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