Hello, thanks for the useful tips, I especially like the idea of the copper- clad board, that could be useful I guess.
Averaging is in fact cool, I am already calculating the average of 50 measurements giving me a data refresh rate of about 3Hz. I always thought "why do these multimeters have such a low refresh rate?" and now I know. The cap parallel to the ADCs input (i.e. over the lower resistor) is already incorporated, it was actually one 10nF only, but after checking the input with my 25MHz scope I saw some weird flanks and added a 100nF in parallel that made it go away. I am not sure about my coding, though. I put everything in the interrupt routine so I know the ADC is checked every so and so milliseconds. But the dispaly routine is in the isr, too. Hmm, I don't think it is a very good source. This evening I will upload my c source and a some pictures of the circuits for you guys to yell at ;-). Jens -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to neonixi...@googlegroups.com. To unsubscribe from this group, send email to neonixie-l+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.