arduino - Mac + Uno + avrdude: stk500_recv(): programmer is not responding -


i'm trying upload .hex file arduino. don't have problems uploading code through ide (like blink example or other). port , board correct.

so problem appears when try upload

avrdude -pm328p -carduino -p/dev/tty.usbmodemfd121 -b57600 -d -uflash:w:grbl_v0_8c_atmega328p_16mhz_9600.hex -v -v -v -v  avrdude: version 6.1, compiled on mar 23 2014 @ 04:42:55      copyright (c) 2000-2005 brian dean, http://www.bdmicro.com/      copyright (c) 2007-2014 joerg wunsch       system wide configuration file "/usr/local/cellar/avrdude/6.1/etc/avrdude.conf"      user configuration file "/users/mikhail/.avrduderc"      user configuration file not exist or not regular file, skipping       using port                    : /dev/tty.usbmodemfd121      using programmer              : arduino      overriding baud rate          : 57600 avrdude: send: 0 [30]   [20]  avrdude: send: 0 [30]   [20]  avrdude: send: 0 [30]   [20]  avrdude: ser_recv(): programmer not responding avrdude: stk500_recv(): programmer not responding avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x00

what tried:

  • i have 4 uno's @ table (original + free versions), same issue.
  • i have installed newest drivers here, tried , without them.
  • tried avrdude comes arduino ide (1.0.5 , nightly builds) , newest avrdude v.6.1 brew install avrdude
  • different baud rates down 9600
  • tried press reset after bytes sent suggested here

what fixed me was:

  • disconnect usb cable arduino
  • try upload program
  • this fail , arduino app ask usb port use.
  • i did twice
  • then plug in usb cable arduino
  • upload program... succes!

note: shortly before installed drivers mentioned mikhail.

setup: mac os 10.9.5, arduino.app 1.0.6, arduino duemilanove


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