#ikaserma

Flash Detector with Analog Interrupt Code

int flashes = 0;

int wait = 1000;

void setup()

{

  pinMode(7,INPUT);

  pinMode(13, OUTPUT);

  Serial.begin(9600);

  ACSR = B01011010; // comparator interrupt enabled and tripped on falling edge.

  digitalWrite(13, HIGH);

}

void loop()

{

  for(int i=0; i<flashes; i++)

  {

    digitalWrite(13, LOW);

    delay(100);

    digitalWrite(13, HIGH);

    delay(100);

  }

  delay(1000);

}

ISR(ANALOG_COMP_vect)

{

  flashes++;

  Serial.print("Number of Flashes: ");

  Serial.println(flashes);

  delay(wait);

Issue: Light was not bright enough during presentation for successful projection

Projection Lamp with dimmer 

int val = 0;

void setup() {

 // put your setup code here, to run 

once:

   Serial.begin(9600);

 pinMode(3, OUTPUT);

}

void loop() {

 // put your main code here, to run re-

peatedly: 

 val = analogRead(5);

 //Serial.println(val);

 Serial.println(val/4);

 analogWrite(3, val/4);

 // delay(50);

Projection Lamp with dimmer 

int val = 0;

void setup() {

 // put your setup code here, to run 

once:

   Serial.begin(9600);

 pinMode(3, OUTPUT);

}

void loop() {

 // put your main code here, to run re-

peatedly: 

 val = analogRead(5);

 //Serial.println(val);

 Serial.println(val/4);

 analogWrite(3, val/4);

 // delay(50);