目录
2.2.1 单片机主控制模块.....................................................................................................................7
2.2.2 驱动模块.....................................................................................................................................7
2.2.3 显示模块.....................................................................................................................................7
图 2-2 雾面乳型 LED 灯.....................................................................................................................................8
3.2.1 时钟电路.....................................................................................................................................9
3.2.2 P0 口外接上拉电阻...................................................................................................................9
3.4.1 LED 灯排序方式设计..............................................................................................................11
3.4.2 LED 灯接法方式设计..............................................................................................................12
3.5.1 将 LED 从点到线的搭建.....................................................................................................13
3.5.2 将 LED 从线到面的搭建.........................................................................................................14
3.5.3 将 LED 从面到体的搭建.........................................................................................................14
3.6.1 PCB 板的制作.........................................................................................................................15
3.6.2 主板的焊接...............................................................................................................................15
3.6.3 主芯片的焊接...........................................................................................................................15
3.6.4 开关及按键的焊接...................................................................................................................16
3.6.4 排插及晶振的焊接...................................................................................................................16
4.2.1 显示模块的原理.......................................................................................................................19
4.2.2 显示程序的设计.......................................................................................................................19
5.1.1. 硬件调试..................................................................................................................................21
5.1.2. 软件系统..................................................................................................................................22
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