Want some circuit schematics and examples?

Sometimes you need some useful examples and schematics for reference, circuit design and projects. You can found it from books but this is not enough. Here is some useful links that provide various types of schematics.

Sometimes you saw some electronics kits distributors online such as Quasar Electronics and Kitsrus.com, they also provide the circuit schematic, simply download their kits data sheet and refer their schematic. Most of the schematic is the complete circuits, except the programmer.