not sure. There is a capacitor on the highvoltage power supply. is this a decoupling capacitor?
Am Montag, 13. Mai 2013 13:45:46 UTC+2 schrieb Spencer: > > Do you have decoupling capacitors on all ic's? > > Sent from my iPhone > > On May 13, 2013, at 6:19 AM, nix <[email protected] <javascript:>> > 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<http://www.google.ch/url?sa=t&rct=j&q=nixie%20power%20supply&source=web&cd=5&cad=rja&ved=0CEEQFjAE&url=http%3A%2F%2Fwww.ledsales.com.au%2Fkits%2Fnixie_supply.pdf&ei=-smQUbLsKvD24QSX9IDgDA&usg=AFQjCNEiqKM6Acf_mlaSDuBrhUqL2A5Uvw&sig2=Bi2PdGfH0ERKhqQkk5wFQA&bvm=bv.46340616,d.bGE> > ) > > 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 [email protected] <javascript:>. > To post to this group, send an email to [email protected]<javascript:> > . > 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 [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/msg/neonixie-l/-/TaAzQP23KfEJ. For more options, visit https://groups.google.com/groups/opt_out.
