duandianshizhong

利用DSPTMS320LF2407产生PWM波，其输出波形为方波(Produced by DSPTMS320LF2407 PWM wave, the output waveform is square wave)

本文将选用一块支持 BDS/GPS 双模定位并具有低功耗特 点的芯片 ATGM332D-5N-3X 作为手持定位终端的定位模块。 ATGM332D-5N-3X 支持两种卫星导航系统进行组合定位，包括中国的 BDS （北斗卫星导航系统）， 美国的 GPS 。该模块具有 32 个跟踪通道，两个卫星导航系统的 GNSS 信号可同 时被接收，从而实现联合定位的功能。 ATGM332D-5N-3X 模块具有高灵敏度、 低功耗、低成本等特点，适用于船舶导航、车载导航、可穿戴设备等。(This article will choose a piece of support BDS/GPS Dual mode positioning with low power consumption Point chip ATGM332D-5N-3X As a positioning module for a handheld positioning terminal. ATGM332D-5N-3X Support two satellite navigation systems for combined positioning, including China. BDS (Beidou satellite navigation system), American GPS . The module has Thirty-two A tracking channel, two satellite navigation systems GNSS Signal can be identical It is received and the function of joint location is achieved. ATGM332D-5N-3X The module has high sensitivity, Low power consumption, low cost and other characteristics, suitable for ship navigation, vehicle navigation, wearable devices, etc.)

STM32外扩4*4矩阵键盘，包含原理图及源码。(STM32 extends 4*4 matrix keyboard, including schematic diagram and source code.)

说明：  在串口中使用DMA来实现数据的快速收发，源码都有，程序编译通过。(The use of DMA in the serial port to achieve rapid data transceiver, source code, program compilation through.)

16X16的LED点阵屏，显示XX生日快乐，开心每一天，笑脸。绝对原创。程序稍作改动，可以形成符合自己要求的显示结果。(16X16 of LED dot matrix screen display XX happy birthday, happy every day , smile . Absolutely original. Programs minor modifications , can be formed to display the results in line with their requirements .)

DS1302单片机c语言和proteus仿真(Program on DS1302 by MCS-51，c and proteus。)

listctrl控件，用回调函数进行排序(listctrl controls, using a callback function Ranking)

自带小范围坐标识别，电机控制，语音控制，红外距离探测，电池充电控制，障碍识别，路径规划的功能，代码是基于单片机实现的！(It has the functions of small area coordinate recognition, motor control, voice control, infrared distance detection, battery charging control, obstacle recognition and path planning. The code is based on MCU.)

stm8l的ADC采集，DAC输出以及串口通讯(Stm8l ADC acquisition, DAC output and serial communication)

说明：  8051 练习项目，包含串口、定时器、红外遥控、LCD1602、SMI串行总线读写等功能。(8051 exercise items, including serial port, timer, infrared remote control, LCD1602, SMI serial bus reading and writing functions.)