#include <SoftwareSerial.h> // import another program, a library, to communicate
#define rxpin 1 
#define txpin 0

SoftwareSerial serial(rxpin,txpin);
//Declaring number to the different vararibles
int rxPin = 1; // this is simular to the int = setting, however this is linked to the library//rxpin 
int txPin = 0;
int trig = 3; // had first old pins stil in code
int echo = 2; 
long lecture_echo; 
long cm;
int PinRed = 6;
int PinBlue = 7;
int PinGreen = 5;

//color amount used
int Red_Amount = 100;
int Blue_Amount = 100;
int Green_Amount = 100;
void setup() 
{ 
  pinMode(PinRed, OUTPUT);
  pinMode(PinBlue, OUTPUT);
  pinMode(PinGreen, OUTPUT);
  pinMode(trig, OUTPUT); 
  digitalWrite(trig, LOW); 
  pinMode(echo, INPUT); 
  serial.begin(9600); 
}
void loop() 
{ 

  digitalWrite(PinRed, HIGH); //High voltage
  delay(500); //delay of 500 milliseconds
  digitalWrite(PinRed, LOW); //low voltage
  digitalWrite(PinBlue, HIGH);
  delay(500);
  digitalWrite(PinBlue, LOW); 
  digitalWrite(PinGreen, HIGH);
  delay(500);
  digitalWrite(PinGreen, LOW);
  
  digitalWrite(trig, HIGH); 
  delayMicroseconds(10); 
  digitalWrite(trig, LOW); 
  lecture_echo = pulseIn(echo, HIGH); 
  cm = lecture_echo / 58; 
  
  serial.print ("Distance in cm: "); 
  serial.println(cm); 
  delay(1000); 
}