watch version on IV-27M https://www.pcbway.com/project/shareproject/VFD_Clock_IV_27M_27_ESP8266_WiFi_universal_board_Right_Rev_B_c3d57047.html
пятница, 9 июня 2023 г. в 20:02:31 UTC+3, Adrian Godwin: > I stash away parts for projects like that from time to time. Often not > very well researched and just look suitable, pending me looking more > carefully into the project. > > With that in minds, I've got a few IV-27M tubes, which interest me because > they have signal wires at both ends, and I'm imagining a steampunk style > mount that would take advantage of it. > > There are various ways I might drive these, but I have also picked up some > PT6311 chips which have a flexible grid/segment driver system and an spi > interface as well as some other flexible i/o. They'd still need a > timekeeping chip of some sort. > > Getting the time from NTP seems attractive at the moment but there are > plenty of alternatives. There's currently high availability of some very > good ovened CTI OSC5A2B02 crystal oscillators for only $2-3 that seem to > be good for about 4ms per year. > > On Fri, Jun 9, 2023 at 2:24 AM Moses <[email protected]> wrote: > >> I happened to dig up a box of IV-21 tubes. Soviet made 8x 7-segment >> digits in a single tube. Thinking this needs to be the next kit. >> >> What is a modern/common/best/CREATIVE way to drive these? The max6921 >> chips look common.. a bit heavy at $8 a pop on mouser! :/ >> >> Filament and grid voltages are simple enough. >> >> Thanks! >> >> Regards, >> -Moses >> >> -- >> 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/888ea452-1653-4d6b-a227-9e043b1468c9n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/neonixie-l/888ea452-1653-4d6b-a227-9e043b1468c9n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- 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/3e4bd7ff-721c-44a0-adc8-8e7845ce3e61n%40googlegroups.com.
