My 18-tube IN-18 clock has been running for over 2 years now; the date is displayed on 8 tubes in MM.DD.YYYY format, and those are basically static. Time is on the other 6 in HH:MM:SS format, so not all of them are fully cycled. Each night, at 11PM, the clock does a depoisoning routine for 1 hour, then shuts off. In the morning, if we want the clock on, there's an ON button I made from a 'Tomorrowland' souvenir pin. This clock was inspired by the IN-18 clocks in the 2015 movie.
- all tubes that are cycled 0-9 multiple times during the day are simply shut off - all tubes that cycle 0-6 multiple times during the day are cycled 6-9 for 1 hour. - all tubes that are static during the day are cycled 0-9. I should have put some smarts in the FPGA code to skip the digit that was displayed that day So far, no tubes show abnormalities. One tube has a slight dark region at the very bottom of a few digits, and I've been watching that very carefully fir the past 6 months. So far, it's not degrading any further. Someday I will retrofit out the FPGA and replace it with a RasPi, and fix the depoisoning routine and add a PIR sensor. Yeah, someday..... The RasPi-based 7971 clock uses a PIR sensor, so it's mostly off except when I turn over in my sleep or walk into the room. I do plan log the runtime for each segment of each tube, down to the second, and balance-out the usage. I know it's overkill but I like the programming challenge. My big clock (pictured in my google icon) has been up for over 4 years, and has static display on the tubes with no depoisonong. 2 have died, and it took awhile to depoison a third one. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/d01d7cd6-62a4-46d5-bc49-6dc090a7e958%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
