On 5/22/2020 9:46 AM, Tomas Kral wrote: > How are rdyTx, rdyRx wired (FTDI???) on Pepino through USB port? > > As I cannot read schematics well, I do not see it in the > wiring. (Pepino board) They don't go to FTDI chip, they are ready signals from the transmitter and receiver block that software can read. Magnus