In daily life we use different kinds of gadgets that make our life easier and better secured. Most of these products are based upon electronics technology. If we go for buying these products, we may expect heavy investment. However, there are certain electronics magazines or online electronics portals that provide all the information so that you could design and develop these gadgets by self. Display of electronics design and circuit diagrams make the understanding of any device easy and fun filled activity. Recently I went through an electronics magazine having print and online versions. The write ups about Door lock…