hI all! Are these DC controllers ye are all on about? If they are, these are quit easy to make your self. If you give me the specs, the system they use (pulse I supose...) and some time, I will make you a circuit diagram. With a handfull of components, (if it is what i think it is...) these can be made. A PCB board shouldn't be to hard either. Maybe, if we get a good working system together, somebody might put the files on their website, for all to use... Patrick MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.