Using TEMT6000 Phototransistor Ambient Light Sensor for Arduino

his code reads the voltage of common Collector configuration and displays the voltage in Volts.

Download TEMT6000 Data Sheet


  

/*
 * This is Arduino Sketch for TEMT6000 Phototransistor Module
 * This code reads the voltage of common Collector configuration
 * and displays the voltage in Volts.
 * V pin is connected to 5V
 * G pin is connected to ground GND
 * S pin is signal connected to A0 of Arduino
 * 
   Written by Ahmad Shamshiri for Robojax.com
 * on May 10, 2018 at 14:14 at Ajax, Ontario, Canada
 * This code is provided at http://robojax.com 
 * Watch Video instruction for this code:https://youtu.be/pxR6e-3XkIk
 */
#define light A0 // define input pin

void setup() {
  // TEMT6000 Roboajx.com code
  Serial.begin(9600);
  
}

void loop() {
   // TEMT6000 Roboajx.com code
  int Lvalue = analogRead(light);// read the light
  int mVolt = map(Lvalue,0, 1023, 0, 5000);// map analogue reading to 5000mV
  float volt =(double)mVolt/1000;// convert millivolt to volt

  Serial.print(mVolt);// print millivolt
  Serial.print( "mV ");
  Serial.print(volt,3);// print volts with 3 decimal places
  Serial.println( "V ");
  delay(1000);// wait for 1000 milliseconds
   // TEMT6000 Roboajx.com code

}