自己写的用AVR 单片机产生正弦波.用示波器观察波形很好！-Write your own single-chip generated sine wave with AVR. Oscilloscope to observe waveforms with very good!

这是我用 avr 单片机：基于AVR的电子称， 包含 原理图和 代码，希望能帮助初学者；-This is my AVR: Based on AVR single-chip electronic, including schematics and code, want to help beginners