51光电编码器实现，STC处理编码器的要求，同时编码根据PS/2协议，实现上下键以及确定键。-Optical encoder 51 to achieve, STC encoder processing requirements, as well as coding in accordance with PS/2 protocol, to achieve and to identify the key up and down keys.

基于增量式光电编码器读取脉冲和正反转的程序-Incremental photoelectric encoder

电机位子控制，永磁同步电机，PWSM, 光电编码器解码，带零位定位-Seat control motor, permanent magnet synchronous motors, PWSM, photoelectric encoder decoder, with zero positioning