In my clocks, I set every hour a random second for the alternate thing. I think this is an acceptable compromise.
gregebert schrieb am Freitag, 31. Januar 2025 um 17:50:51 UTC+1: > I would pick an interval that is a prime number, so that the exact second > where the FLW, date, etc comes up varies slightly. So instead of 15, use 17 > or 19. Most of my clocks do their alternate thing at 15 and 45 seconds, and > it's predictably annoying, and annoyingly predictable. I'm gonna go back > and recode that. > > If you have other clocks in the room, then 15 seconds is probably OK; but > if it's the only clock I would stretch it out closer to 30. > > On Friday, January 31, 2025 at 3:14:46 AM UTC-8 Richard Scales wrote: > >> I too have a PIR connected so it is only ever on when needed, direct >> drive and PWM is available to dim if required. >> At 30 seconds past it does the date/temp etc thing - but as it is only a >> four letter word clock, I was thinking of putting a word up every 15 >> seconds. >> Is that too many, too few or about right ? >> - Richard >> >> >> On Friday, 31 January 2025 at 06:57:29 UTC gregebert wrote: >> >>> Shouldn't be a problem; these are sturdy tubes. I have an 8-tube clock >>> and every 30 seconds it displays the day (eg, SATURDAY) and the date (eg >>> JAN 30). No signs of segments weakening after several years. I have a PIR >>> sensor so most of the time the display is running a walking segment pattern >>> (1 segment of 1 tube). The ^ symbol is rarely used and shows no signs of >>> poisoning. Tubes are direct-drive with no PWM dimming, and there are >>> current limiters to keep the segment current and total anode current within >>> datasheet limits. >>> >>> On Thursday, January 30, 2025 at 8:40:55 PM UTC-8 Richard Scales wrote: >>> >>>> I am working on a design for a FLW clock using B-7971 tubes with the >>>> original Cinch sockets. Having built a prototype I can see that these >>>> sockets are super kind to the tubes. >>>> >>>> Given that a FLW clock displaying HHMM will have a very static display >>>> most of the time, I am wondering how often it might be suitable to display >>>> a WORD. >>>> >>>> I already have something happening at 30 seconds past the minute, >>>> either the date, temperature, pressure, humidity or a scrolling message. >>>> >>>> For the rest of the minute, and given that there are 1000's of FLW's - >>>> would once every 15 seconds be too little or too much? >>>> >>>> Can anyone advise as to how existing FLW clocks handle this? >>>> >>>> - Richard >>>> >>>> -- 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, visit https://groups.google.com/d/msgid/neonixie-l/591424c5-94e5-4364-99b6-247095026c83n%40googlegroups.com.
