I tried your sugestion.Now I get an error message of avrdude, stk 500(); programmer is not responding. When I release the reset button I get several flashes from the L led the it goes back into the TX led on steady. THom,
My theory is that a sketch with runaway serial output is filling a lot of buffers (possibly all of them) in the USB driver on your host system.
Please enter a valid email to subscribe
We need to confirm your email address.
To complete the subscription, please click the link in the
email we just sent you.
Thank you for subscribing!
via Egeo 16