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Arduino LiquidCrystal I2C LCD 輸出顯示不正常。 - 法蘭克的 ...

Lcd.print ("Hello World");. 只會顯示出H 這個字母。 搜尋後，原來是library 的問題。 把LiquidCrystal_I2C.cpp 內的retuen 0; 改 ...

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