Voltage Led ALERT ⚠️

Based upon the voltage being passed, Identify if the current is safe from a distance with help of leds.

May 24, 2022

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Components and supplies

5 mm LED: Red

Rotary Potentiometer, 10 kohm

5 mm LED: Yellow

Resistor 330 ohm

Solderless Breadboard Full Size

Arduino UNO

Male/Male Jumper Wires

5 mm LED: Green

Apps and platforms

Arduino IDE

Project description

Code

Alarm System Volatge

c_cpp

Code to this project.

1int rPin = 11 ;
2int yPin = 12 ;
3int gPin = 13 ;
4int readPin =  A0;
5float Val ;
6float readVal ;
7String myString = "The Potentiometer Voltage  is : " ;
8int wait = 1000;
9
10void setup() {
11  // put your setup code  here, to run once:
12pinMode(rPin,OUTPUT);
13pinMode(yPin,OUTPUT);
14pinMode(gPin,OUTPUT);
15pinMode(readPin,INPUT);
16Serial.begin(9600);
17}
18void  loop() {
19  // put your main code here, to run repeatedly:
20readVal = analogRead(readPin);
21Val  = (5./1023.)*readVal;
22  if (Val <= 3.00) {
23    digitalWrite(gPin,HIGH);
24    digitalWrite(yPin,LOW);
25    digitalWrite(rPin,LOW);
26  }
27 if (Val <  4.00 && Val > 3.00) {
28    digitalWrite(gPin,LOW);
29    digitalWrite(yPin,HIGH);
30    digitalWrite(rPin,LOW);
31 }
32
33  if (Val > 4.00 && Val<= 6.00) {
34    digitalWrite(gPin,LOW);
35    digitalWrite(yPin,LOW);
36    digitalWrite(rPin,HIGH);
37 }
38
39 Serial.print(myString);
40  Serial.println(Val);
41delay(wait);
42}
43

int rPin = 11 ;
int yPin = 12 ;
int gPin = 13 ;
int readPin =  A0;
float Val ;
float readVal ;
String myString = "The Potentiometer Voltage  is : " ;
int wait = 1000;

void setup() {
  // put your setup code  here, to run once:
pinMode(rPin,OUTPUT);
pinMode(yPin,OUTPUT);
pinMode(gPin,OUTPUT);
pinMode(readPin,INPUT);
Serial.begin(9600);
}
void  loop() {
  // put your main code here, to run repeatedly:
readVal = analogRead(readPin);
Val  = (5./1023.)*readVal;
  if (Val <= 3.00) {
    digitalWrite(gPin,HIGH);
    digitalWrite(yPin,LOW);
    digitalWrite(rPin,LOW);
  }
 if (Val <  4.00 && Val > 3.00) {
    digitalWrite(gPin,LOW);
    digitalWrite(yPin,HIGH);
    digitalWrite(rPin,LOW);
 }

  if (Val > 4.00 && Val<= 6.00) {
    digitalWrite(gPin,LOW);
    digitalWrite(yPin,LOW);
    digitalWrite(rPin,HIGH);
 }

 Serial.print(myString);
  Serial.println(Val);
delay(wait);
}

Downloadable files

Voltage Led Alert

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