after all it's working XD. the problem wor with max232. i have made ft232rl circuit and now it works. im using optiboot but it's using rx0 and tx0, weird. anyway i wanna thank for your help. it shouldn't be done without you, thanks.
after all it's working XD. the problem wor with max232. i have made ft232rl circuit and now it works. im using optiboot but it's using rx0 and tx0, weird. anyway i wanna thank for your help. it shouldn't be done without you, thanks.