![L4940V5](https://i0.wp.com/www.exploringarduino.com/wp-content/uploads/2013/06/L4940V5.jpg?resize=350%2C350&ssl=1)
Image courtesy of Digi-Key
A 5V linear regulator can be used to generate a stable 5V supply voltage from a higher input voltage. Always be sure to use decoupling capacitors with your linear regulators – the datasheet specifies good values to use.
Download the L4940V5 Datasheet (PDF)
Buy an L4940V5 5V Regulator from Newark.