Lab2pt1

analog_input_and_output.ino

//analog inout and output

int pot = 0; //stores pot value
int potPin = A0;
int redLED = 9;
int brightness1 = 0; //value to hold LED brightness
int brightness2 = 0;
int photoPin = A1;
int lightValue = 0;
int yellowLED = 10;

void setup() {
  // put your setup code here, to run once:

  //setup serial comm
  Serial.begin(9600); //set up serial comm
  pinMode(redLED, OUTPUT); //LED output
  pinMode(yellowLED, OUTPUT); 
  
}

void loop() {
  // read pot

  pot = analogRead(potPin);
  lightValue = analogRead(photoPin);
  //Serial.print("Pot value: "); //prints without line break
  //Serial.println(pot); //prints with line break

  //use map() to convert 0-1023 to 0-255
  //map(valueToMap, fromLow, fromHigh, toLow, toHigh);

  brightness1 = map(pot, 0, 1023, 0, 255);
  analogWrite(9, brightness1);
  brightness2 = map(lightValue, 0, 1023, 0, 255);
  analogWrite(10, brightness2);

  Serial.print("Pressure val: ");
  Serial.println(brightness2);