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Topic: cannot upload to arduino pro mini (Read 411 times) previous topic - next topic


Aug 29, 2012, 12:02 pm Last Edit: Aug 29, 2012, 12:13 pm by bgoner Reason: 1
searched and tested anything I found on the internet about my problem:
avrdude: stk500_getsync(): not in sync: resp=0x00
avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51

went through the troubleshooting#upload too!

Bit it still persists

OS:Windows 7 64bit
board: arduino pro mini 5v (16Mhz) 328  (selected in the arduino software)
cable: FTDI

when I plug the arduino in the device manager appears COM4 so I select this also in the arduino software (I guess this means I'm not having driver problems, right? cause I did in the begining)

Intersting is that when I plug the arduino in the PC I see a green and a red led blick once. In the troubleshooting it says the green should be on all the time.

removed windows firewall and all the programs in the back - teamviewer, deamon tools, skype etc.

in the USB settings in the device manager I changed the Port Settings to 115200 Bits per second they were 9600 as default. 115200 bps is know to be an arduino environment. Is this true?

I've attached a pic how I've connected the arduino to the cable. Hope I have connected it correctly, haven't I?

Thanks you


Your ftdi lead is on backwards - also when you upload - tap reset when the sketch size shows on the screen, this may help.
http://www.uk-pcb.co.uk - My UK Based PCB Fab & Assembly Company
Design & Assembly work undertaken - Arduino repairs & testing - PM for details. PM me for non repair or testing, 1 to 1 support and I will charge you - beware!


LOL! thank you so much. it's been a week already with this bugger.
everything went ok!

I guess this picture is misleading

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