omg...
digistump.com/wiki/digispark/tutorials/modelbi2c
5th paragraph - remember is spelled wrong.
Model A: The on-board LED is connected to P1 This board should cause no conflicts with any devices, but rmember the LED is on pin 1 not pin 0!
tried posting a topic for the above bit of info. Incorrectly entered the captcha. Hit the back button was taken to empty "new topic" form. Pasted info back into form(because I always copy a post before hitting enter to be safe.) . Entered correct captcha, hit post. Was given error about duplicate post.
grrr