基于单片机步进电机控制正反转，减速以及加速的源代码

可以自动为大葱打沟，培土无需人工控制，实现自动转弯换隆，升降犁-Automatically ditch fight for green, earth without manual control, automatic turn-for-long, take-off and landing plow

与PLC通信的仪表，只需要两根线。还等什么呢。多省钱的仪表。-communicat with PLC ,just use two lines. save your money.save you.

U-BOOT-1.3.2移植到44B0X详细过程。内包含补丁和移植过程，可直接应用到系统上面。如果有问题可以直接与我联系。QQ：250008260-U-BOOT-1.3.2 ported to the detailed process 44B0X. Contains patches and transplantation process, can be directly applied to the system above. If you have problems can contact me directly. QQ: 250008260

TS12864A-3实现arm的实时时钟显示，每秒更新一次。-TS12864A-3 to achieve the real-time clock arm, once per second update.

MPC860的SCC2配置HDLC示例代码-MPC860 SCC2 configuration HDLC sample code

arm2410 nor flash 编程实验源码-Experimental arm2410 nor flash programming source code

This program controls the spin and speed of a 3 phases motor.

some pdf files describing about PLC concepts and components.

只是中星微的zc0301p系列芯片的技术文档-Only the zc0301p Vimicro chips technical documentation