能防止多次試探密碼的單片機(jī)密碼鎖


頁數(shù)：17 字?jǐn)?shù)：5389

目錄
摘 要：------------------------------------------------------------------------------------------3
Abstract:-------------------------------------------------------------------------------------------3
1. 引言--------------------------------------------------------------------------------------------4
2. 硬件電路-----------------------------------------------------------------------------------------------------4
3. 軟件設(shè)計(jì)-----------------------------------------------------------------------------------------------------6
3.1 存儲單元的分配------------------------------------------------------------------------------------------6
3.2原程序-------------------------------------------------------------------------------------------------------7
4. 應(yīng)用說明-----------------------------------------------------------------------------------------------------9
5. 存在的問題解決------------------------------------------------------------------------------------------10
5.1 硬件問題解決--------------------------------------------------------------------------------------------10
5.2 軟件問題解決--------------------------------------------------------------------------------------------11
5.2.1 按鍵去抖動(dòng)延時(shí)時(shí)間不夠長------------------------------------------------------------------------11
5.2.2 輸完密碼后揚(yáng)聲器長鳴不止------------------------------------------------------------------------