key lcd参考例程程序描述:1.开始运行时,LCD两行显示Welcome 2 Tongji 2

Title: key lcd参考例程

Description: 程序描述:1.开始运行时,LCD两行显示Welcome 2 Tongji 2.等待键盘按键，有键按下时在LCD第1排最右边显示相应键号目的：键盘查询、键盘中断、键值识别、键盘编码点阵字符型液晶显示(LCD)编程

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