senza_titolo

introduction

a real programming for a real traffic lights.

program

apri il programma

Arduino

inizia il laboratorio

algorithm

attrezzaggio

pin1

_green1

pin2

_green2

pin3�

_yellow1

pin4

_yellow2

pin5�

_red1

pin6�

_red2

variabili

ciclo

annotation: first traffic lights

SWITCH ON (5 Volt) switch on

_green1

SWITCH OFF ��(0 Volt) switch off

_yellow1

SWITCH OFF ��(0 Volt) switch off

_red1

annotation: second traffic lights

SWITCH OFF ��(0 Volt) switch off

_green2

SWITCH OFF ��(0 Volt) switch off

_yellow2

SWITCH ON (5 Volt) switch on

_red2

wait 5000 milliseconds

annotation: yellow on the first

SWITCH ON (5 Volt) switch on

_yellow1

wait 1000 milliseconds

annotation: now red on the first, green on the second

SWITCH OFF ��(0 Volt) switch off

_green1

SWITCH OFF ��(0 Volt) switch off

_yellow1

SWITCH ON (5 Volt) switch on

_red1

SWITCH ON (5 Volt) switch on

_green2

SWITCH OFF ��(0 Volt) switch off

_yellow2

SWITCH OFF ��(0 Volt) switch off

_red2

annotation: 10 seconds because this is main road

wait 10000 milliseconds

annotation: yellow to the second

SWITCH ON (5 Volt) switch on

_yellow2

wait 1000 milliseconds

Arduino code

//programma: senza_titolo

//******* pin ********

//******* declare ******** 
const int pin_green1=1;//pin of _green1
const int pin_green2=2;//pin of _green2
const int pin_yellow1=3;//pin of _yellow1
const int pin_yellow2=4;//pin of _yellow2
const int pin_red1=5;//pin of _red1
const int pin_red2=6;//pin of _red2

//********** setup **********  
   void setup(){ 
	
	pinMode(pin_green1,OUTPUT);  
	pinMode(pin_green2,OUTPUT);  
	pinMode(pin_yellow1,OUTPUT);  
	pinMode(pin_yellow2,OUTPUT);  
	pinMode(pin_red1,OUTPUT);  
	pinMode(pin_red2,OUTPUT);  
}

//********** loop ********** 
 void loop() { 
	
	// first_traffic_lights
	digitalWrite(pin_green1,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_yellow1,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_red1,LOW); // HIGH/LOW is the voltage 5V/0V)
	// second_traffic_lights
	digitalWrite(pin_green2,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_yellow2,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_red2,HIGH); // HIGH/LOW is the voltage 5V/0V)
	delay(5000);//attendi 
	// yellow_on_the_first
	digitalWrite(pin_yellow1,HIGH); // HIGH/LOW is the voltage 5V/0V)
	delay(1000);//attendi 
	// now_red_on_the_first,_green_on_the_second
	digitalWrite(pin_green1,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_yellow1,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_red1,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_green2,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_yellow2,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_red2,LOW); // HIGH/LOW is the voltage 5V/0V)
	// 10_seconds_because_this_is_main_road
	delay(10000);//attendi 
	// yellow_to_the_second
	digitalWrite(pin_yellow2,HIGH); // HIGH/LOW is the voltage 5V/0V)
	delay(1000);//attendi

};//end loop

//powered by "Arduinomio" (C) 
//www.mastrohora.it

copy/past in Arduino