> not 1024 but a 1023, > resulting in 20 * 1023 / 64 = 219.7V,
Actually its 319.7, instead of 320V, which is better than those 1% resistors will give you. That's whats the trim pot is for. -- 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.