Turn voltage source in bottom left corner up down to see it work. It has some bugs but does show it working. This circuit has not been bench tested. Also a big shout out to @rous for a part of this circuit. http://everycircuit.com/circuit/6376543073599488 Again note to all new comers to Everycircuit. If you click “in Chrome” or tap “in app” on a user names you will see their profile and a list of their public circuits for viewing.