No transformer? Well, that's scary indeed :-) I almost don't dare to ask... does it have a fuse?
gregebert schrieb am Samstag, 22. Mai 2021 um 19:27:51 UTC+2: > My first nixie clock uses 4000-series CMOS, and is AC-line powered. Not > just the power ( *without* a transformer), but also the timing. There is > a battery-backup oscillator. I built 2 in 2011, and our 2 kids each built > one. All 4 are still running just fine. They can display 12hr or 24-hour > mode. > > I simulated the design in verilog so there were no logic errors or fixes > on the PC boards. > > On Saturday, May 22, 2021 at 7:25:26 AM UTC-7 newxito wrote: > >> Small typo sorry, the youtube channel is called CuriousMarc.... >> >> My "creepy clock" from 2016 still works and I turn it on from time to >> time, but only while I'm in the room :-) >> >> >> >> J Forbes schrieb am Samstag, 22. Mai 2021 um 14:38:11 UTC+2: >> >>> I dind't design the logic myself, I used a design from the TTL >>> applications book by Texas Instruments. But the clock is still around, >>> twenty years later. I don't leave it running, it's kind of scary. >>> >>> http://selectric.org/nixie/index.html >>> >>> and scroll down to the bottom of the page >>> >>> On Friday, May 21, 2021 at 11:48:58 AM UTC-7 newxito wrote: >>> >>>> I always wanted to design a nixie clock that uses just 74xx ICs. I know >>>> that there are some schematics available but just copying a design is not >>>> fun. >>>> >>>> Recently, I watched a video from CouriousMarc with an intro to a >>>> digital logic circuit simulation software called logisim-evolution. I >>>> think >>>> that will be a big help, the software looks great! >>>> >>> -- 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 view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/ef791200-1de7-4619-a82c-784188f40f54n%40googlegroups.com.
