Thanks for the repply! It has | Electronics › Electronics › IC Communication on top of DC voltage › Thanks for the repply! It has March 9, 2019 at 11:13 am #15052 Ole OlesenParticipant Thanks for the repply! It has to be able to switch between 9V (logical LOW) and 12V (Logical HIGH), fast enough to communicate at max. 1Mhz acting as a PSU at the same time, so a Relay would be to slow and noicy for the job.
