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| Electronic Circuit "Beans" Collection  I will introduce some of the electronic circuits which has the specific function. I named these pages "Circuit beans", getting the hint from "JAVA beans". The circuits to be introducing on these pages are the circuits which I thought that is "practicality" and/or "it is fun" with my sense. By combining them, I think that you can make the wonderful one with your idea. I am glad if they become the help of your idea. | 
