How does one update the display in a LCD (16,2) in Arduino, say for example I want to display an additional characters or (sequential characters) characters and the screen is full?
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You can erase the entire screen with
You can erase a specific location by calling
setCursor() to move the cursor to the position to blank and then print a space character, like
print(" ") (or multiple spaces, depending on how many characters you need to clear out.
The LiquidCrystal library is documented on the Arduino website at https://www.arduino.cc/en/Reference/LiquidCrystal