View Single Post
  #6  
Old 03-23-2010, 05:31 AM
Ron99's Avatar
Ron99 Ron99 is offline
Member
 
Join Date: Dec 2008
Location: South Surrey, BC
Posts: 1,018
Ron99 is on a distinguished road
Default

Quote:
Originally Posted by StirCrazy View Post
there is a pin labled Vin it can be used for a hardpoint voltage supply or you can take off there to power something else and it will be what ever power you are feeding your board with.. so if you are using a 12v adapter (which is probably what you should use. it will be 12V out. then you can step it down to 10V as you lose about 0.7 of a volt. so that out with a 12V adapter will actualy give you about 11.3V

Steve
I guess it's 6 of one half dozen of another. I still need to run that through a voltage regulator and then a transistor switched by the 5V PWM from the Arduino. So whether it originally comes off the 12V out from the Arduino or right off the 12V power supply probably makes little difference functionally. Although I may be able to do something more compact with a proto shield on the Arduino itself using the 12V Vin as you suggest.
Reply With Quote