dianji

direct sparse solver for linear equations

vb单片机上位机例程 很详细的例子，直接可用 适合初学者 (vb example)

关于stm32的485通讯程序，用串口USART。。。(stm32-485 program)

利用cc2430自带的adc实现模数转换(Achieved by cc2430 own adc analog to digital conversion)

nokia5110源码加仿真测试,初始化液晶，按键测试静态动态显示(nokia5110 source plus simulation test, initialize the LCD, keypad test static dynamic display)

加速度传感器很好用的，，可以移植的，你可以学习下，写的也不容易呢(Using an acceleration sensor,, you can refer to him,, a good, satisfying transplant)

这是智能仪器的课件，对于初学编程和电路设计很有帮助的。(This intelligent instrument courseware, very helpful for the beginner programming and circuit design.)

C++ SDK绘图。涉及函数：WinProc Draw(C++ SDK graphics. Related to function: WinProc Draw)

电力系统电度表通讯协议，主要针对DL645协议标准(Power system meter communication protocol, mainly for DL645 protocol standards)

智能车驱动程序，利用ULN2003A作为隔离，控制BTS7960驱动芯片，实现驱动，程序有限幅，反向等。(Smart car drivers, use ULN2003A as isolation, control BTS7960 driver chip, drivers, programs limiter, reverse and so on.)