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Arduino pro mini issues

funinalaska

OK, I have been using Arduino Uno, Mega and micro for a while now.

All have USB on the board.

I had ordered some Pro Mini boards a while ago and am just now finally getting to fool around with them.

I got a FTDI232 board to program them with but I am having no luck.

I have followed along with many tutorials online that use these boards with this adapter.

I always get:

avrdude: stk500_getsync(): not in sync: resp=0x00

I have tried a couple different Pro Minis thinking maybe one I had was bad.

I also did do the test with putting a jumper over RX and TX and seeing if I get mirroring in Serial monitor and I do.

I have checked the settings in the com port on my system settings and it seems to be set as the tutorial say.

Anyone have any thoughts what could be my issue?

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    Hi Andrew,

                        I have several Pro Minis and they program without a problem.  One thing I cam across was that the pins on the clone versions are the opposite way round to the 'official' board.  I use a variety of programmers but perhaps the easiest is the Visiport 2 available from Tindie in the USA.  I got one sent to the UK with no problems.  It has some really neat features like dual voltage programming and selectable reset lines.  The Visiport 2 does NOT connect to a clone version of the Pro Mini in the same way that is shown on the Visiport website as you have to turn it around to suit the reversed pin layout, however it is a good programming device.  I have no connection to Visiport.

    I also use a CP2102 USB to serial converter but you need to ensure you use the correct driver.  I never use the reset button when programming.  The CP2102 module I have has most of the RS232 signals broken out so you can select which line to connect to the Pro Mini reset pin.

    Please post a reply if you want me to list the pins I use on each device.

    I hope that helps.

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  • 0

    Hi Andrew,

                        I have several Pro Minis and they program without a problem.  One thing I cam across was that the pins on the clone versions are the opposite way round to the 'official' board.  I use a variety of programmers but perhaps the easiest is the Visiport 2 available from Tindie in the USA.  I got one sent to the UK with no problems.  It has some really neat features like dual voltage programming and selectable reset lines.  The Visiport 2 does NOT connect to a clone version of the Pro Mini in the same way that is shown on the Visiport website as you have to turn it around to suit the reversed pin layout, however it is a good programming device.  I have no connection to Visiport.

    I also use a CP2102 USB to serial converter but you need to ensure you use the correct driver.  I never use the reset button when programming.  The CP2102 module I have has most of the RS232 signals broken out so you can select which line to connect to the Pro Mini reset pin.

    Please post a reply if you want me to list the pins I use on each device.

    I hope that helps.

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