This is a simple charger you can build for devices. It can be modified for any device. This may need no modification for devices that are charged using PC USB port.
This is a Schematic Doodle called Schoodle. Use it for Learning and understanding. Build and test only when you have practiced and gone beyond simple electrical and electronic circuits. Mistakes can damage your portable device or even waste your components. Hence take care, work systematically, not like me. See the mess i have created below.