Typically you tie one end to the wiper. This provides you with 2 leads.
here is a pic.
http://dev.emcelettronica.com/files/u4/Mechanical_Potentiometers.jpg
Typically you tie one end to the wiper. This provides you with 2 leads.
here is a pic.
http://dev.emcelettronica.com/files/u4/Mechanical_Potentiometers.jpg