I posted another topic for the programming of this:http://arduino.cc/forum/index.php/topic,87218.0.html
Skim the other topic before reading my question or else it will not make too much sense.
Now I have a tone running through a motor driver shield. If I hook up a speaker to the secondary coil I get the ax act same tone I am running through the shield. My problem is this tone is loud, but will not light an led even if I convert it to dc with a diode. How do I go about solving this problem?