In the 3 PRR pcb, I don't understand what means the letters R and S marqued on.
Looks like S is "send to effect" and R is "return from effect".
OK! Thanks, sorry about my stupidity, Lol. :-[
Quote from: Fernando Carvalho on May 03, 2019, 03:46:34 PM
OK! Thanks, sorry about my stupidity, Lol. :-[
We have all been there.. No a stupid question at all.