All the circuits on this page have been designed, and tested on Electronics Workbench ver 4.0. Unless noted these projects have not been built. None of these projects are warranted and the author is not responsible in any way for any damages or injuries caused by the construction, operation, or presence of these circuits. Anyone constructing any of these circuits assumes all liability for any damages or injuries caused by said circuits. These designs are freely distributed and may be built and used by any person. The author maintains all rights to the designs, they may be redistributed if proper credit is given to the author.