自己写的单片机程序，基于C51，可检测74ls00,74ls47,74ls390,74ls151,74ls194芯片，程序较为简单，给大家分享。-Microcontroller to write their own procedures, based on the C51, can detect 74ls00, 74ls47, 74ls390, 74ls151, 74ls194 chips, a relatively simple pr