Well, here is a schematic I have used for many different launch systems, along with pics of those systems. The unit works well and is pretty much universal AND can be mixed and matched as they are all compatable. The MultiPad launcher only differs in the controller and is just an expanded version of the single launcher. All of these systems are 12volt and can launch clusters and HPR motors all they way to "M". Even the MicroMax pad can function and has functioned as a HPR launcher. When someone needed to launch a 14 motor BP cluster, the MMX pad worked like a dream.
Carl
<a href="https://www.rocketryforum.com/reviews/12vlauncherschematic.jpg">Schematic</a>
<a href="https://www.rocketryforum.com/reviews/12vlauncherpic.jpg">Single Launcher Pic</a>
<a href="https://www.rocketryforum.com/reviews/mplc.jpg">MultiPad Launcher Pic</a>
<a href="https://www.rocketryforum.com/reviews/12vmplcsystem.jpg">MultiPad Launcher Closeup</a>
<a href="https://www.rocketryforum.com/reviews/12vmmxpad.jpg">MicroMax Launcher Pic</a>