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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                **【整理與體驗】 一克拉** * * * * * 1、屏顯: 接-板上接LED顯示屏(正、負、scl、sda角) 找-找型號找庫,調庫代碼放在setup前,本程序加了3句,調庫 setup中加上2句話,Loop中加上5句 2、代碼 (1)setup之前的 #include <Wire.h> #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C mylcd(0x27,16,2); //頭三句調庫 連屏 const int TrigPin = 2; //發出信號腳 const int EchoPin = 3; //接收信號腳 float cm; //單位 (2)setup之中的 二句定屬性 mylcd.init(); mylcd.backlight(); //共2句 定屏屬性 (3)void loop() { 之中五句 mylcd.setCursor(0, 0); //光標從這里開始 mylcd.print(cm); mylcd.setCursor(0, 1); //換行后顯示距離 mylcd.print("cm"); mylcd.clear(); //清屏 共5句 開屏-顯示-清屏 delay(1000); }
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