Another question for you guys involving my ph probe project. Right now my amplification circuit for the ph probe has pots for calibration. I wanted to add digital pots instead. I realize that the digital pots are low amperage but I am having a problem. I hooked up the pot and wrote a program to vary the wiper position, and it works fine.Its a 10k digital pot by the way and its a mcp 41010. But when I hook my 12v regulated voltage to it (PA0), they burn up, they burn up without the wiper attached to anything and without the other side of the resistor hooked up (PB0). I don't understand with just the 12 volts hooked up there should be no amperage. Is there a better digital pot that will handle higher voltages/amperages.

Shawn