基于51的程控滤波，包括双机通讯程序，主机菜单，主机控制12864，从机控制max262,ad7533,DDS芯片等-Based on the programmable filter 51, including two-machine communication program, the host menu, 12864 host control, the slave control max262, ad7533, DDS chips

基于STM32的程控滤波器（MAX262）源码-Based on the STM32 programmable filter (MAX262) Source