LM or MC 7805 +5VDC Voltage Regulator

Type-A Female USB Port

100 UF Electrolytic Capacitor 10-50v

0.1-0.5 UF Capacitor 6-50v (any type would do)

150-160 ohm Resistor (optional)

9V Battery clip

2.2V 20mA LED color of your choice (optional)

Unprinted circuit board

ON/OFF Switch (optional)