A quick experiment. Load the IDE example blink program into the arduino and then disconnect and reconnect the USB cable and see if your scope still shows the pin #11 PWM signal or not during the bootloader initialization.
Lefty
A quick experiment. Load the IDE example blink program into the arduino and then disconnect and reconnect the USB cable and see if your scope still shows the pin #11 PWM signal or not during the bootloader initialization.
Lefty