数字电位器X9313子程序,自己开发的产品里使用的东西。-Digital Potentiometers X9313 subroutine, developed their own things to use.

x9313数字电位器的应用小程序，通过按不同的键产生不同的电阻，与运放配合，可以实现程控放大器功能。-x9313 applets for digital potentiometer, press different keys produce different resistance, in conjunction with the op amp can achieve the function of the programmable amplifier.