Soon wrote...

> Hi All
>
> Do anyone have any idea in how to step up voltage
> like from 5 volts to 10volt
> Is there such things call step up regulators?
> if there are may i know the part number thanks
> i heard that there is one of such device in picstart that step a 9V to 13 V
> any oneknow the part number thanks

There is a SEA of such devices.
Try    www.maxim-ic.com  ,   www.ti.com ,
www.linear-tech.com

They are refered to as "step-up" or "boost" regulators
_____________________________

Lance Allen
Technical Officer
Uni of Auckland
Psych Dept
New Zealand

www.psych.auckland.ac.nz

_____________________________