(...) Thanks Dustin, those will help. I am inclined to agree with Philippe Hurbaine on the regulator. It is also obvious that it can take AC from the full wave rectifier near the power port. In answer to Davids question about the 4v connector (using (...) (19 years ago, 8-Apr-06, to lugnet.robotics, lugnet.technic)
(...) Hi Danny, If we supply +12V to the top of the transistors, the drive circuit will most likely not be able to block those transistors completely (unless said drive circuit has an open collector structure with a pull up to the emitter of the (...) (19 years ago, 11-Apr-06, to lugnet.robotics, lugnet.technic)