RoboCircuits
Published

Arduino Digital Voltmeter 5V

Get accurate readings for voltage using arduino.

ExpertFull instructions provided11,184
Arduino Digital Voltmeter 5V

Things used in this project

Hardware components

Arduino Nano R3
Arduino Nano R3
×1
Breadboard (generic)
Breadboard (generic)
×1
Standard LCD - 16x2 White on Blue
Adafruit Standard LCD - 16x2 White on Blue
×1
Jumper wires (generic)
Jumper wires (generic)
×1

Story

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Schematics

circuit diagram

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

Code

Arduino Code for Arduino Digital Voltmeter

C/C++
this is the code for digital voltmeter
#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);
  
}

Credits

RoboCircuits
3 projects • 7 followers
RoboCircuits is a YouTube channel working on making cool arduino projects and tutorials.
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Related channels and tags
  • Adafruit
  • Arduino