用单片机控制可调电阻的阻值，在柔性控制系统中得到广泛应用-Single-chip adjustable resistor used to control the resistance, in the flexible control system to be widely applied

凌阳的数字电位器程序，适用于X9C103。DS1804经测试也通用。-Sunplus digital potentiometers program for X9C103. DS1804 has been tested and is also common.

DS1804驱动程序，此芯片是一个数字电位器，可以用单片机调节的电位器-DS1804Driver, the chip is a digital potentiometer MCU, can adjust potentiometer