目 录
序 言 ............................................................................................................................................3
第 1 章 总体设计方案.........................................................................................................4
1.1 课题任务分析 ...............................................................................................................4
1.2 方案论证 .......................................................................................................................4
1.2.1 小车遥控部分....................................................................................................5
1.2.2 小车驱动部分....................................................................................................6
第 2 章 系统硬件构成.........................................................................................................7
2.1 系统设计原理 ................................................................................................................7
2.2 主要元器件简介............................................................................................................7
2.2.1 STC89C52RC 简介...........................................................................................7
2.2.2 NRF24L01 无线收发芯片简介....................................................................8
2.2.3 L298N 芯片直流电机驱动模块 .................................................................9
2.2.4 红外避障模块...................................................................................................9
2.2.5 HC-SR04 超声波测距模块...........................................................................11
2.2.6 蜂鸣器驱动电路............................................................................................13
2.2.7 液晶显示电路.................................................................................................13
2.2.8 遥控部分独立按键电路 ...............................................................................14
第 3 章 软件的设计与说明 ............................................................................................15
3.1 软件设计 .......................................................................................................................15
3.2 软件的说明...................................................................................................................16
3.2.1 遥控部分主程序流程...................................................................................16
3.2.2 24L01 子程序流程图....................................................................................17
3.2.3 小车部分主程序流程图 ..............................................................................18
第 4 章 调试与总结 ............................................................................................................20
4.1 硬件部分 .......................................................................................................................20
4.1.1 硬件的焊接 ......................................................................................................20
