It looks great! If I could make a suggestion, that would be to put some kind of grill for the speaker in the front. Speakers are known to be kid and cat magnets and that one looks very effective on that regard. :) Going the direct drive way frees you of a whole set of problems and complexities. Keep them coming!
Gaston On Monday, September 26, 2016 at 6:18:21 PM UTC-3, newxito wrote: > > Hi, I’m new in the forum. I’ve finally managed to build my first nixie > clock. It’s a 6-digit clock with 4 x Z5660M and 2 x IN-8 nixies. > > I’ve decided to build the clock with direct drive so I’ve used 8 x 74HC595 > and 64 x MPSA42 transistors. > > The controller is a Atmega 328P, the 170V psu was made with a MC34063, > coil, transistor and mosfet. The psu seems to work fine, no audible noise > and the components remain cool. > > I had no idea how to shut down the 170V so I’ve used a relay to cut the > 12V supply to the 170V psu. I’m sure there must be a better way to do this. > > Finally, I’ve added a GPS time sync, a motion sensor and a mp3 module, the > clock plays a sound every hour. > > I was surprised how easy it was to write the software. In the latest > release I’ve implemented a simple cathode poisoning prevention function > (just heard about this problem). For the next release I have planned to use > the pps signal for a more accurate GPS time synchronization. > > I know, the whole thing looks like a nightmare… but it works :-) > > Regards > -- 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/e4aaf8c3-2c98-47f9-b021-65eec0bb47fd%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
