Arduino Digital Voltmeter 5V

Get accurate readings for voltage using arduino.

Oct 2, 2017

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22835 views

•

6 respects

monitoring

Components and supplies

Arduino Nano

Standard LCD - 16x2 White on Blue

Breadboard (generic)

Jumper wires (generic)

Project description

Code

Arduino Code for Arduino Digital Voltmeter

c_cpp

this is the code for digital voltmeter

1#include<LiquidCrystal.h>
2LiquidCrystal lcd(12,11,5,4,3,2);
3int  analogPin=1;
4void setup()
5{
6  lcd.begin(16,2);
7}
8void loop()
9{
10  int v=analogRead(analogPin);
11  voltage=v/1023*5.0;
12  lcd.print("voltage=");
13  lcd.print(voltage);
14  
15}

#include<LiquidCrystal.h>
LiquidCrystal lcd(12,11,5,4,3,2);
int  analogPin=1;
void setup()
{
  lcd.begin(16,2);
}
void loop()
{
  int v=analogRead(analogPin);
  voltage=v/1023*5.0;
  lcd.print("voltage=");
  lcd.print(voltage);
  
}

Arduino Code for Arduino Digital Voltmeter

c_cpp

this is the code for digital voltmeter

1#include<LiquidCrystal.h>
2LiquidCrystal lcd(12,11,5,4,3,2);
3int
4  analogPin=1;
5void setup()
6{
7  lcd.begin(16,2);
8}
9void loop()
10{
11
12  int v=analogRead(analogPin);
13  voltage=v/1023*5.0;
14  lcd.print("voltage=");
15
16  lcd.print(voltage);
17  
18}

#include<LiquidCrystal.h>
LiquidCrystal lcd(12,11,5,4,3,2);
int
  analogPin=1;
void setup()
{
  lcd.begin(16,2);
}
void loop()
{

  int v=analogRead(analogPin);
  voltage=v/1023*5.0;
  lcd.print("voltage=");

  lcd.print(voltage);
  
}

Downloadable files

circuit diagram

This is the circuit diagram of Arduino Digital Voltmeter...

circuit diagram

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