ADS1.2 的使用是你一个不错的学习的好帮手，通过她你们能快速的学会她的用-you will make learn asd become esayer

学习型遥控器的制作代码，用到的芯片是upd6121-Making learning remote control code, used in the chip is upd6121

实现函数发生，基于51单片机的汇编语言，可以实现正弦波，方波，三角波，锯齿波，频率可调-Realization function generator, based on 51 single-chip assembly language, you can achieve sine, square, triangle, ramp, adjustable frequency