AVR-Chat

yes, i used external clock source from 8 MHz crystal. I was check  external clock to the correct pin. At the first time the project  normaly running, but after last time that project can't running and  can't programming.
  Is the problem caused over current from my powersupply? I used regulator IC LM7805.

John Samperi <samperi@ampertronics.com.au> wrote:                                                  At 01:37 AM 26/02/2007, you wrote:
  >   I used eksternal clock 8 MHz for programming my project.
  
  What are you using as an external clock source? Is it working
  and is the external clock being fed to the correct pin?
  
  Regards
  
  John Samperi
  
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