Keeping the tubes as the only unchangeable part, I've seen clocks with: I've seen a few implementations of microcontrollers; ATmega, ESP32 are the main two 'recent' ones I've noticed - and the entirely transistor based one was impressive.
The digits can be multiplexed or direct-driven; 74141, HV Microchips, Bipolar (BJT) Transistors There are also radio/wifi/gps synching of time & date What other ones have you seen? -- 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 neonixie-l+unsubscr...@googlegroups.com. To post to this group, send an email to neonixie-l@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/5c67fcbd-e059-492a-9769-de515c9e0477%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
