Reviews

• Scratch 12V Relay Launcher By Michael Moncur

  ( Contributed - by Michael Moncur) AUTHOR'S DISCLAIMER: This document describes the launcher I built (and use.) I do not recommend building a similar launcher unless you are experienced with electronics. (Hint: if the schematics below don't make sense, don't try to build it.) This is a high-current device; in addition, high voltages may be momentarily present due to relay coil ...