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Failed to enter programming mode

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Posted by IHAB   (1 post)  Bio
Date Fri 25 Mar 2016 01:58 AM (UTC)
Message
Hello ...

I have a problem here .. i hv Mega Pro 3.3v can't upload sketch's ... i tried your way to know what's tha bootloader are installed ,but it keeps saying ... here's the serial monitor results ::

Atmega chip programmer.
Written by Nick Gammon.
Version 1.36
Compiled on Mar 25 2016 at 04:28:19 with IDE 10609.


Attempting to enter ICSP programming mode ......................................................
Failed to enter programming mode. Double-check wiring!
Type 'C' when ready to continue with another chip ...

I doubled check wiring 1 thousand times :( // but no luck
and also say (programming mode off ) when i plug it in just the power led turn on .. i hear a sound of USB com plugging in . and it has FTDI basic adapter ! .. please help me ???!
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Posted by Nick Gammon   Australia  (23,165 posts)  Bio   Forum Administrator
Date Reply #1 on Fri 25 Mar 2016 08:25 PM (UTC)
Message
Template:Arduino Please post Arduino-related questions to the Arduino Forum or to StackExchange: Arduino. This saves splitting questions and answers between this forum and the Arduino ones.

- Nick Gammon

www.gammon.com.au, www.mushclient.com
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