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Thursday, October 6, 2011


USSR era vacuum display tubes + 180 volt DC home made power supply = the beginning of a really cool clock. The time circuit will be easy DS1307 RTC has occupied all my other clocks. The big issue is an array driver that can handle 180V.

Here is a few pics of the power supply

But here is a video of the real test

I'll have more posts on this as I move forward. Next step  hooking it to a PIC and counting up and down....

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