通过按键实现由AVR单片机ATmega8对数字电位器MCP41010进行单击或连续可调。其中按键实现单击和连续功能，即单击加减1，或者按住不放连续加减1。其编译环境为：ICCAVR Version 7.22，仿真软件为：Proteus Version 7.8-Achieved through the button on the AVR microcontroller ATmega8 MCP41010 digital potentiometer for click or continuously adjustable. Click the button to achieve them and continuous functions, namely subtract one click, or hold a continuous addition and subtraction.