DPRG mailing list archives: DPRG: Re: dprg wheelchair motherboard

Tue Feb 18 21:18:51 CST 1997

You wrote: 
>
>> Hello
>> 
>> Also what would work is a small UPS power supply, using it as a 
inverter with
>> a larger 12 car type battery in place of the small gel cells and a 
small  12
>> volt cooling fan to keep the unit cool , PLUS the UPS  will charge 
the 12
>> volt battery when the Robot is not in use.
>> 
>> If you need a clone pc power supply I will include that in the stuff 
I'm
>> shipping out . Let me know.
>
>Please do.  The nice thing about being able to hook into the wall,
>is that during the development phase, you can try it out without 
having
>to run off of batteries all the time.  Just need a long extension 
cord.

Wheelchair robot builders:
I have a powersupply that will run a full pc from 12v.  +5,-5,+12,-12 
with enough current for mb, cards, and disk drives.  About 4" x 6" x 1" 
open frame pcb.  It is new.  I have one left for sale (I'm hording the 
rest for a future project).  My cost is $70 and I'll be glad to break 
even on it.  It requires cables which can be chopped off an old dead pc 
power supply (free a local computer shops).  Let me know and I'll bring 
it to the next meeting or ship it to whoever.

Roger.

-- 

     /--------------------------/---------------------------/
    /       Roger Arrick       /     Arrick Robotics       /
   /    roger at robotics.com    /       P.O. Box 1574       /
  /     Ph: (817) 571-4528   /   Hurst, Texas 76053 USA  /
 /     fax: (817) 571-2317  /   http://www.robotics.com /
/--------------------------/---------------------------/

Time and accident cannot replace intelligence and purpose. 