目 录
前 言 .................................................................................................................................4
第 1 章 红外线通信 .....................................................................................................5
1.1 红外通信原理 ....................................................................................................5
1.1.1 红外接收电路 .............................................................................................5
1.1.2 红外发光管 ................................................................................................6
1.1.3 红外接收器件 ............................................................................................6
1.1.4 红外遥控系统结构 ....................................................................................6
1.1.5 硬件电路设计 ............................................................................................7
1.1.6 红外解码过程 ............................................................................................7
第 2 章 直流电动机原理 .............................................................................................8
2.1 直流电动机 .......................................................................................................8
2.2 直流电动机结构 ................................................................................................8
2.2.1 定子的结构和原理 .....................................................................................8
2.2.2 转子的结构和原理 ......................................................................................9
2.2.3 其它部分的结构和原理 ..............................................................................9
2.3 直流电动机的控制原理 .....................................................................................9
第 3 章 单片机 STC89C51 ........................................................................................11
3.1 单片机概况 ......................................................................................................11
3.2 单片机内部结构和原理 ..................................................................................11
3.2 复位电路及时钟电路 ......................................................................................12
3.1 单片机最小系统 ..............................................................................................13
第 4 章 PWM 调制和电机的使用..............................................................................14
4.1 PWM 调制.........................................................................................................14
4.2 直流电机的使用 ..............................................................................................14
4.2.1 电机的启动 ...............................................................................................14
4.2.2 电机的调速 ...............................................................................................14
4.2.3 电机的反转 ...............................................................................................15
4.2.4 电机的制动 ................................................................................................15
4.3 电机驱动芯片 L293d.......................................................................................15
第 5 章 系统硬件设计 .............................................................................................17
5.1 系统硬件电路图 ..........................................................................................17
5.2 系统硬件 PCB 图.........................................................................................18
5.3 实物图 ..........................................................................................................19
结论 ...........................................................................................................................20
致谢 ...........................................................................................................................21
参考文献 ...................................................................................................................22
附录 ...........................................................................................................................23
