51平衡车

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.)

说明：  基于stm32单片机的云台运控程序，通过控制舵机控制云台的俯仰和侧转。(Pan-and-Tilt control that is applied on STM32 single chip)

基于max1898的智能手机充电器，用Altium绘制的原理图。(Based on max1898 smart phone charger schematic)

Microchip pic24系列 单片机 LCD驱动 包括RTCC和ADC功能(Microchip pic24 MCU LCD driver RTCC ADC)

EDA课程设计抢答器的程序，将程序加入仿真电路可直接运行出结果(EDA course design responder programs, add the program simulation circuit can be run directly the results )

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.)

网蜂科技开发板CC2530F256实现中断定时唤醒(Realization of Watchdog Timing by Network Bee Technology Development Board CC2530F256)

OLED0.91显示的USB电压电流表程序，方便测试USB的电压电流情况(OLED 0.91 shows the USB voltage meter program to facilitate the test voltage and current situation of USB)

按键扫描，逐行检测，，，，，，，，，，，，，，，，(Key-press scan, line by line detection...................)

外国10年前用C写的PID调节器源码,带测试,有详细注释.现在难找到(10 years ago with foreign PID controller written in C source code with the test, with detailed notes now difficult to find)