aa = arduino('com3')
Attempting connection ........
Warning: Unsuccessful read: A timeout occurred before the
Terminator was reached.
Error using arduino (line 102)
Connection unsuccessful, please make sure that the Arduino is
powered on, running either srv.pde, adiosrv.pde or
mororsrv.pde, and that the board is connected to the indicated
serial port. You might also try to unplug and re-plug the USB
cable before attempting a reconnection.
[TÜRKÇE]
HER İKİ HATANIN ÇÖZÜMÜ
1- Yüklü olan ARDUİNO sürücüsünü bilgisayardan kaldır. Sonra sürücüyü yeniden yükleyiniz.
2- Bunu nasıl yapacağınızı aşağıdaki videodan izleyebilirsiniz:
http://www.youtube.com/watch?v=dHJJhOzHZak
[ENGLISH]
SOLUTION : BOTH ERROR 1 AND ERROR 2
1- Remove the existing ARDUINO drive. Then reinstall the driver
2- You can watch the video in below on how to do :
http://www.youtube.com/watch?v=dHJJhOzHZak