stc单片机控制电动自行车控制器程序，带电磁制动，自学习以及倒车等功能，-The stc MCU control electric bicycle controller programs with electromagnetic brake functions such as self-learning and reversing

三菱PLC应用100例，是学习三菱可编程控制器的参考材料-The Mitsubishi PLC application 100 cases, learning Mitsubishi programmable controller reference material