// https://robojax.com/learn/arduino/?vid=robojax_TEMT6000_phototransistor
/*
 * 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

#include <TM1637Display.h>

//https://deepbluembedded.com/seven-segment-display-generator/
const uint8_t SEG_Over[] = {
  SEG_A | SEG_D | SEG_E | SEG_F,                        // [
};
const uint8_t SEG_OFF[] = {0, 0, 0, 0};
const uint8_t AllOn[] = {0xff, 0xff, 0xff, 0xff};
// In this library, the byte order is .GFEDCBA


// GLOBALS
// Create a display object, specifying parameters (Clock pin, Data pin)
TM1637Display display(4, 5);


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


  Serial.begin(9600);
  
  display.setBrightness(5);
  display.setSegments(AllOn);
  delay(800);
  display.setSegments(SEG_OFF);
  
}


void MyDisplay(float i) {

  display.showNumberDec(i, false, 4, 0);
    
}

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(500);// wait for 1000 milliseconds
   // TEMT6000 Roboajx.com code
 
  MyDisplay(Lvalue);


}