Ok, I m working with a NG AtMega8. Usually I use USB Power and ev
ry thing works fine. This is the first time to run the board via EXT Power. I switched the jumper and so on....I plug it and RX TX started to flicker instantly. I knew,that this was not normal. So, I my board broken, messed up or what.? Itd be so rad if someone could help me out.
A one thousand Thank You for spending some timne on reading this.