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VFD clock with ESP8266 NTP sync

VFD clock using opto-copplers as drivers and an arduino as the multiplexing controller

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gideon.wackers wrote 09/23/2015 at 12:16 point

I see that I made a mistake; it should be MAX6921. good luck :)

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gideon.wackers wrote 09/23/2015 at 11:15 point

Very cool project, do you happen to have more info such as schematics and code?

Maxim also has a chip that can replace the optoisolators the MAX6922

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Tobias Mädel wrote 09/23/2015 at 11:38 point

I have to say, that I can't really recommend building this clock as such.. MAX6922 could be a good thing, but I couldn't get the VFD grids to switch fast enough to eliminate all ghosting. 

I need to take a look at the 6922.. 

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