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Author Topic: Reprogramming my Arduino after changing the serial pins to outputs  (Read 190 times)
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udi_h
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« on: February 20, 2013, 02:01:21 am »
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Hello,
I did a stupid thing and pinMode'd my serial lines (UNO 0 and 1) to outputs, now i cannot reprogram my UNO and i get "avrdude: stk500_recv(): programmer is not responding" from the software.
What can i do to reprogram it?
Thanks
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udi_h
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« Reply #1 on: February 20, 2013, 02:08:52 am »
 Bigger Bigger Smaller Smaller Reset Reset
I guess ill have to erase the ATMEGA completely reprogram the boot loader... can someone point me to the file of the bootloader to the UNO R1?
« Last Edit: February 20, 2013, 02:14:44 am by udi_h » Logged

Nick Gammon
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« Reply #2 on: February 20, 2013, 02:14:26 am »
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When you reset the Arduino, all pins become inputs. That is not your problem.
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udi_h
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« Reply #3 on: February 20, 2013, 07:14:54 am »
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I understand but after a second my code begins and change it back to outputs...
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« Reply #4 on: February 20, 2013, 09:34:27 am »
 Bigger Bigger Smaller Smaller Reset Reset
Press & Hold the reset button until the IDE shows
"compiled xxx of 32xxx bytes" or similar.
May take a few tries to get the timing of the button release correct for the bootloader to see the start message from the PC.
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