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• Clear Serial Monitor Arduino Download
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• Arduino Serial Monitor Not Displaying
• Clear Serial Monitor Command Arduino
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I'm using serial communication to display the the data to my 4x20 lcd display. When I filled up all the lines of course I need to clear it. I've search over the net and found something like:

But it doesn't work. I also found a solution like Serial.println(); but that solution (cheat as they called it) will only work on a serial monitor. So is there any possible solution to clear the display or delete a single character from the LCD?

Michael Petrotta

In this video, Zahraa uses an example to showcase the serial monitor by programming the built-in LED on the Arduino board that is connected to digital pin number 13, and uses the serial monitor window to see outputs. Visit us on our new web site: www.arduinoprojectgenius.com visit us on our facebook page:arduino, element14. This window is called the Serial Monitor and it is part of the Arduino IDE software. Its job is to allow you to both send messages from your computer to an Arduino board (over USB) and also to receive messages from the Arduino.

4 Answers

Did you try lcd.clear()? It says in the documentation here that this command does the following: Commando rush hacked all weapons.

Clears the LCD screen and positions the cursor in the upper-left corner.

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Obviously, you'll need the lcd variable (known as a LiquidCrystal object) to use this method. See how to create that here and a basic implementation below. Perhaps you can add a time delay after lcd.print('hello, world!'); and then add lcd.clear(); (just as a basic proof-of-concept.)

Review the full LiquidCrystal reference for all its methods and additional examples.

garygary

I found a quick solution for my problem

for (int i=0; i < 80; i++) { Serial.write(8); // print 80 times forward (BS)}

if you have larger display just increase the value of the loop. As my observation in the serial monitor The cursor pushes forward until the line is clear (based on your loop). but this will not allow you to delete a single character in your display.

Did you try sending 12 (0x0C) as detailed in this Arduino Playground 0 SerialLCD posting

see above link for other commands.

mpflagampflaga

The best way I find is to simply add the following line to your sketch:

This will make the lcd display clear out.

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Clear Serial Monitor Arduino Download

i have a simple arduino code:

it should glow the led if i send a character 'a'.and it shld go off when i dont give anything when the loop goes into the next itration.

but once i give 'a'. it starts glowing and never goes off.

is it reading the char 'a' from the buffer? if so then how to clear it ?

Serial.flush() not working.

any ideas please.am new to arduino.sorry if its silly.

Jones JosephJones Joseph

Arduino Uno Clear Serial Monitor

2 Answers

You have put your offled function INSIDE the Serial.available() path. You could only turn it off by Serial.available() being true and you pushing a different character so it reads something other than 'a'

Unfortunately the example above makes the same mistake.

Construct it so that the led turns off outside that if statement

You could use something like this:

Arduino Serial Monitor Not Displaying

EDIT : I've modified my answer based on the correct answer.

Clear Serial Monitor Command Arduino

How To Clear Serial Monitor Arduino With Code

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