Modbus_HoldStart)

ad转换的程序，c8051f021老程序，18B20测温00，抢答器程序，pwm_pac.c。(ad conversion process, c8051f021 old procedures, 18B20 temperature 00, Answer program, pwm_pac.c.)

包含了C8051的基本例程，如流水灯，IO口控制，蜂鸣器，串口通信等(C8051MCU example programs)

模拟PWM信号控制小灯，控制二极管占空比(Analog PWM signal control light)

超声波模块的使用，包括和单片机通信 可以实现超声波测距(The use of ultrasonic modules, including communication can be achieved and the microcontroller Ultrasonic Ranging)

单片机温度控制代码，用于基本的测试及基本的编写(temperature control code，use for normal test)

说明：  CC2530芯片的使用和无线传感器网络的构建——数据收发无线组网实验(The use of CC2530 chip and the construction of wireless sensor network)

direct sparse solver for linear equations

通过51单片机设计一个电子时钟，精确到秒，可以通过按键调节时间(By 51 microcontroller design an electronic clock, accurate to seconds, you can adjust the time by pressing a button)

ht1621驱动C语言版本,基本是一个通用的版本(ht1621 driver C language version of the basic version is a generic)

STC12C5204AD单片机控制单个二极管闪烁源代码，二极管由138译码器使能，另一端单片机IO口控制，采用延时程序，是单片机初学者很好的学习源代码(STC12C5204AD flash microcontroller source code to control a single diode, diode 138 by the decoding is enabled, the other end of the single-chip IO port control, using the delay procedure is a very good chip for beginners to learn the source code)