That seems pretty simple if all you need to do is to solder a 1K resistor to the volts pin. Thanks for the link, i tried looking for it but I couldnt find that post.
ORIGINAL: Allfat
http://www.rcgroups.com/forums/showt...LAR+WATT+METER
Here is the link to the $3 watt meter. It is very easy to make and very accurate. It will also tell you the exact same information as the high dollar watt meters, so there is no real need to spend $40+ when you can make your own for much cheaper.