sci-oly-detector-building

[RADIOACTIVE] arduino thermometer for science olympiad
git clone git://git.figbert.com/sci-oly-detector-building.git
Log | Files | Refs | LICENSE

ScreenDisplayTemperatureTest.ino (564B)


      1 #include <Wire.h>
      2 #include <LiquidCrystal_I2C.h>
      3 LiquidCrystal_I2C lcd(0x27, 16, 2);
      4 
      5 void setup() {
      6   lcd.init();
      7   lcd.backlight();
      8   Serial.begin(9600);
      9 }
     10 
     11 void loop() {
     12   int sensorValue = analogRead(A0);
     13   float voltage = sensorValue * (5.0 / 1023.0);
     14   int leftSideOfRatio = 5 / voltage;
     15   String HalfwayThroughCircutVolts = String(voltage) + " V";
     16   String RatioBetweenCenterAndStartVolts = String(leftSideOfRatio) + ":1";
     17   lcd.setCursor(5, 0);
     18   lcd.print(HalfwayThroughCircutVolts);
     19   lcd.setCursor(6, 1);
     20   lcd.print(RatioBetweenCenterAndStartVolts);
     21 }