HELP THIS BEGINNER PLZ

Question

Actually I'm new with Arduino so......

Can someone Help me with this program

I has seen error on line>> Height=31-(ultrasonic.Ranging(CM)); <<

said that no has member named

#include <Ultrasonic.h>

#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

Ultrasonic ultrasonic(A0,A1);

int Height;

void setup() {

lcd.begin(16, 2);

}

void loop()

{

lcd.clear();

lcd.print("Distance: ");

lcd.print(ultrasonic.Ranging(CM));

lcd.print("cm");

lcd.setCursor(0, 1);

lcd.print("Height: ");

Height=31-(ultrasonic.Ranging(CM));

lcd.print(Height);

lcd.print("cm");

delay(1000);

}

ralphjy · Answer

Do you also get the same error on the line “lcd.print(ultrasonic.Ranging(CM));” ?

It could be that the Ultrasonic library that you are using does not have the Ranging function. I have seen at least two different Ultrasonic libraries. Which one are you using? Check the Ultrasonic.h file to see if it has a Ranging function.

aswinvenu · Answer

Looks like the library that I have sent doesn't have the Ranging function.

You can use this instead.

https://www.itead.cc/blog/arduino-library-for-ultrasonic-ranging-module-hc-sr04

One possible reason for your error is you might have installed the wrong library (May be you installed the first library I sent and trying to call the Ranging funciton).

aswinvenu · Answer

Hi Cannet,

Looks like you didn't get the installation of the libraries right.

Follow the below instructions:

	First you need to import the library so that the IDE recognizes it. The simplest way is importing through the IDE itself:
	- Click in ```Sketch > Include Library > Manage Libraries...```;
	- In the search field type: ```ultrasonic```;
	- In the list, look for ```Ultrasonic by Erick Simões```;
	- Click on ```Install```.

You can also download the latest Ultrasonic library from the below link.

https://www.arduinolibraries.info/libraries/ultrasonic

Unzip it and read the README.txt.

Before you write your own code, Please check the examples are running fine.

Regards,

Aswin

HELP THIS BEGINNER PLZ

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