Problem downloading to Arduino mini pro 5v

Development Boards MicroMod
1

Hi,

I have just got my first Arduino Mini Pro, and I can’t get the download to work. I am getting the message:

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

avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51

I am using Arduino - 0014 software and selecting Board “Arduino Mini”.

I am using the Serial USB Board (DEV-08165). TX of the USB board to RX of the Mini Pro, and RX of the USB to TX of the Mini Pro. On the Mini Pro, vcc and rst to +5v and gnd to ground.

The red led is on and the green led flashes slow, then faster, repeat on the Mini Pro. I push the reset button on the Mini Pro, then download, but get the error every time. Tx on the USB Board flashes a few times, then nothing

Any suggestion would be appreciated. Thanks

2

Ok, this is just a shot in the dark, but what happens if you press ‘download’ then press reset?

3

Thanks for the suggestion, but I was able to figure this out. I had to bring DTR from the Serial USB to the Mini Pro, then it worked just fine.

Seems the timing of the reset and download of the Mini Pro is so close that it is difficult to time it right manually.