OK, that's my final autoreset-solution: I solder a 100nF Cap on Pin 2 of the PL2303-Chip and connect it to a additional pin of the USB/TTL-Board. A fifth wire are connected to the RST-Pin of the Arduino Mini Pro. Works fine to me!
OK, that's my final autoreset-solution: I solder a 100nF Cap on Pin 2 of the PL2303-Chip and connect it to a additional pin of the USB/TTL-Board. A fifth wire are connected to the RST-Pin of the Arduino Mini Pro. Works fine to me!