gx1121

扫地机器人基本功能实现，内部各个模块驱动完成，能按照正常的弓字行路劲行走(The basic function of the sweeping robot is to realize the driving of each module in the robot and to walk vigorously according to the normal bow line.)

利用4*4矩阵键盘控制C8051f040片内DCA输出，利用LCD1602显示输入的数字量，输出范围0-5V，DAC精度12位。(Use 4* 4 matrix keyboard control C8051f040 DCA chip output, use LCD1602 display digital inputs, output range 0-5V, DAC precision 12.)

说明：  stm32制作的示波器资料，涉及FFT变换的算法。(The data of oscilloscope made by STM32 involves the algorithm of FFT transform.)

一个电表行业专用的基于645规约的电表485通讯抄表程序，可以进行485总线抄表，645规约测试。程序技术要点就是规约数据传输协议的处理，如向电表发送数据时的控制码和数据长度、发送的数据部分(数据标识 + 密码 + 数据)、应答帧长度、结束标志等通讯协议的处理值得大家学习。(A meter-based industry-specific statute 645 meter 485 meter-reading procedure can be carried out 485 meter, 645 Statute of the test. Procedures for the technical elements of the statute is to deal with data transmission protocols, such as sending data to the meter when the control code and data length, send the data section (data logo+ Password+ Data), response frame length, marks the end of the treatment protocol, etc. everyone deserves to learn.)

nRF905接收程序,可与k60连接进行无线通信(RF905 receiving program can communicate wirelessly connect with k60)

这是基于开发板LPC1114的源码程序，是用C语言编写，用于实现系统定时器的配置同时它也是一个完整的模板，可以在此基础上添加其他程序用于开发板的学习，是一个完整的模板，可直接使用。(This is a source code program based on the development board LPC1114. It is written in C language. It is used to realize the configuration of the system timer. At the same time, it is also a complete template. On this basis, other programs can be added for the learning of the development board. It is a complete template and can be used directly.)

说明：  使用15单片机测量ne555的频率，频率范围 1--20000hz(Measuring the frequency of NE555 with 15 single chip microprocessor in the frequency range of 1-20000hz)

说明：  LTC1867的A/D采集源代码，包括相应的时序及采集处理(LTC1867' s A/D acquisition source code, including the appropriate timing and acquisition and processing)

说明：  DSP上电锁死，解锁文件，用于DSP自锁解锁！(DSP power-on lock, unlock files, for DSP self-lock unlock!)

说明：  用4*4矩阵键盘给液晶1602送四位数，其中第四行按键设置为功能键，按键显示可调对应位的数字(With 4* 4 matrix keyboard to send the four-digit LCD 1602, the fourth line of buttons is set to function keys, adjustable button displays the corresponding number of bits)