Z700U Trigger tube 12 Hour Nixie Clock / General Science and Electronics / Forums

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Z700U Trigger tube 12 Hour Nixie Clock

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LAN_403

TwirlyWhirly555

Fri Dec 18 2015, 12:57PM

Registered Member #4104 Joined: Fri Sept 23 2011, 06:54PM
Location: Uk .
Posts: 122

Hey ,

This has been a ongoing project for the past month or so on and off and I have finally reached the point where its working as it should .

Its a 12 Hour Nixie clock using Z700U trigger tubes and front facing nixie tubes , AM is indicated by a A and PM is indicated by a V ( for now ) , Supply voltage to the board is 415V DC @ 20mA .

Neon indicators between the hours and minuets are polarity switched using a relay to alternate the glow in the tube , Time keeping is done by a RTC module and Arduino to output a 1Hz drive signal that drives a relay and in turn drives the input to the seconds stage .

Its built on prototype board all point to point with a lot of thin coated cable

Not the best picture , hope to have better ones soon

Thanks : D

008 by TwirlyWhirly555, on Flickr

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