Meant 16F628, sorry. That additional piggy back on the multiplexing to drive the neons AND the LED indicator through one transistor seems a bit dubious also, granted since the transistor is NPN and neither is powered at the same time there should be no issue but still seems a bit unconventional...
On Sunday, 3 August 2014 21:43:37 UTC+1, Alex wrote: > > Looking at that schematic there are a few dubious things about this > design, but one which strikes me immediately is the 16f678 proc running > from 4MHz with no apparent other method of keeping time. Software RTC with > a 4MHz primary clock source. Hows that working out accuracy wise? > -- 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/0b7a0273-dfa0-4c56-8a34-14a45b6d2b8a%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
