This shows how to make a battery powered USB charger. Gather Materials 1.) Toggleswitch 2.) 9v Battery connector 3.) 9v Battery 4.) 22 uF capicitor 5.)5mm Led with 200 ohm resistor 6.)7805 voltage regulator 7.) 10 nF capacitor 8.)2 33k ohm resistors 9.) 2 22k ohm resistors 10.) type a female USB ...By: Dajab343
Continue Reading »
