These are some simple electronic circuits I have designed or modified. They are very basic in theory and on a level that anyone who can solder can create one. I design all of my circuits in Cadsofts Eagle Layout Editor.
These circuits are free to use and you can copy or modify them as you feel. If you use one of them in a case mod please just say thanks.
This thread will be an on going list so I am going to reserve the first 3 post spaces for future content. Thanks for looking and remember to say thanks if you find any of these helpful.