I have three Tiny Duinos. Two use batteries and one is an early model that doesn't have an on and off switch.  I used the other two first and am just getting around to using the early model.  When I try to upload I get the following error:


Sketch uses 18,460 bytes (60%) of program storage space. Maximum is 30,720 bytes.
Global variables use 506 bytes (24%) of dynamic memory, leaving 1,542 bytes for local variables. Maximum is 2,048 bytes.
avrdude: verification error, first mismatch at byte 0x0002
         0x00 != 0x0d
avrdude: verification error; content mismatch

Thanks,
KG

That's an odd error. If you haven't already tried these:

Make sure the board option is ATmega328 at 8MHz- should be if your newer boards work
Try uploading from a much older/newer version of the IDE, or codebender https://codebender.cc/sketch:37850#TinyDuino.ino

Otherwise shoot an email to info@tiny-circuits.com with your address and reference this thread