Do you have decoupling capacitors on all ic's? Sent from my iPhone
On May 13, 2013, at 6:19 AM, nix <daniels.ser...@gmail.com> wrote: > Hello I just build my own Nixie clock with input from Arduinix.com and a > power supply from ledsale (Build a nixie power supply - LEDsales) > > Attached find the circuit and the pcb from fritzing. The clock works fine but > when I adjust the high voltage with R36 the ds1307 module from Twig > http://shop.boxtec.ch/twig-ds1307-p-40355.html starts to flicker because on > the serial interface it shows strange numbers like 165:165:85. After a while > it does not return the time over the i2c interface at all. A restart of the > nixie clock starts showing the time again. With an oscilloscope I can see > that after a certain position on R36 the SDA puls disapear and it shows a > flat line. I think it is at high level. Not so shure how to read the > oscilloscope. > > Any Idea why? I don't see a direct link from the high voltage power supply to > the 2 wire interface. (see attached circuit) > > Kind regards > > Sergio > > -- > 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/msg/neonixie-l/-/jgtKRhvfY7IJ. > For more options, visit https://groups.google.com/groups/opt_out. > > -- 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. For more options, visit https://groups.google.com/groups/opt_out.
