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Arduino Workshop September 2022
September 17, 2022 @ 10:00 am – 12:00 pm CDT
Hands-on Arduino proto-board and coding practice. Coding of the Sumo-Bots.
/*
Arduino Battery Tester
Created: 20/01/2016
By Gus
Modified N/A
By Gus
http://arduinomylifeup.com/arduino-battery-tester
*/
int greenLed = 11;
int yellowLed = 12;
int redLed = 13;
int analogValue = 0;
float voltage = 0;
int ledDelay = 1000;
void setup()
{
pinMode(greenLed, OUTPUT);
pinMode(yellowLed,OUTPUT);
pinMode(redLed,OUTPUT);
Serial.begin(9600); // start serial for output to local monitor
Serial.println(“BATTERY CHECKER”);
}
void loop()
{
analogValue = analogRead(A0);
voltage = 0.0048*analogValue;
if( voltage >= 3.0 )
digitalWrite(greenLed, HIGH);
else if (voltage > 1.6 && voltage < 3.0)
digitalWrite(yellowLed, HIGH);
else if( voltage <= 1.6)
digitalWrite(redLed, HIGH);
delay(ledDelay);
digitalWrite(redLed, LOW);
digitalWrite(yellowLed, LOW);
digitalWrite(greenLed, LOW);
// Send out value to Serial port
Serial.println(voltage);
delay(1000);
}
