NFC4

说明：  基于51单片机的超声波测距模块使用，使用HC-SR04模块，定时器测量回波长度(Ultrasound Ranging Module Based on 51 Single Chip Microcomputer)

利用MSP430单片机（F2618）自制简易示波器，包括键盘，12864液晶，外置AD等。12864液晶采用特殊的绘图函数实现对点的操作。(Using MSP430 microcontroller (F2618) simple oscilloscope, including keyboard, 12864 LCD, external AD etc.. 12864 liquid crystal using the drawing function special about point operation. )

ds18b20 温度V1000000000000000000(DS18B20)

介绍了点阵0到9循环变化的显示,介绍了单片机的中断使用(Introduced the lattice 0 to 9 cyclic changes in the show, introduced the use of SCM interrupt)

单工无线呼叫系统的全部源代码 AD9858(Simplex wireless call system, all source code AD9858)

基于MSP430单片机的CH452芯片驱动薄膜键盘，诺基亚5110屏幕显示，硬件亲测可用。(CH452 based on MSP430 MCU chip driver membrane keyboard, nokia 5110 screen display, the hardware test available.)

内有PID源码驱动，包含位置式PID和增量式PID。PID通过结构体定义，可同时定义多套参数，并同时使用，并不会相互影响。(There is a PID source driver, including position PID and incremental PID.PID through the structure definition, can be defined at the same time multiple sets of parameters, and use at the same time, will not affect each other.)

单片机MSP430x21x2系列C语音示例程序，在IAR中用过，没有问题。(SCM MSP430x21x2 series C sample program used in the IAR, no problem.)

WSN的GAF算法程序针对无线传感器网络节点部署密集的特点，提出了 GAF 算法。在 GAF 算法中，根据节点的地理位置信息和节点的无线电发射半径（radio range），传 感器网络部署区域被划分为虚拟单元格（virtual gird）。根据自己的物理位置信 息，各个节点被划入到自己的单元格中。各个节点的物理位置信息可以由 GPS 或 其它定位系统得到。 (GAF algorithm of WSN deployment intensive features for wireless sensor network node, proposed GAF ​ ​ algorithm. In GAF algorithm, the radius of the radio transmitting node and the node' s location information (radio range), the sensor network deployment area is divided into a virtual cell (virtual gird). According to their physical location information, each node is classified into its own cell. The physical position information of each node can be obtained by the GPS or other positioning systems.)

说明：  2.2寸SPI串口9341 STM32_F103系列测试源码(2.2-inch SPI serial port 9341 STM32 Chu F103 series test source code)