Also, check the Thyratron clock by Paul Andrews, he found some LED's that matched the Thyratrons nicely, these (or similar) might work for you.
On Tuesday, 26 November 2019 12:19:55 UTC, Mitch wrote: > > > > I was a little surprised that the power supplies worked the first time. A > LM2576 is used to drop the supply voltage to 5v. Two 34063 chips raise that > voltage to 32v, and lower it to 1.65v. The datasheet and online calculators > for the 34063s made that part easy. > > The next revision will use separate tube boards. Curiously the tubes I > have with 1990 date codes aren’t very bright. The 1987 versions are good. > > I can’t seem to find matching LEDs for the blue-green color, to use for > colons. Otherwise everything works as it should. > > > > > > [image: IMG-0185.jpg] > > -- 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/d4c5dda2-5811-47da-9c7d-6a7f66441eae%40googlegroups.com.
