conto_alla_rovescia

introduction

We have to build a bomb to blow up the school. And we need of a display that marks the countdown. On the 7-segment display numbers do appear at a distance of a second. We need to build them one by one with the various segments.

program

apri il programma

Arduino

inizia il laboratorio

algorithm

attrezzaggio

pin1

_segmentA

pin2

_segmentB

pin3˜

_segmentC

pin4

_segmentD

pin5˜

_segmentE

pin6˜

_segmentF

pin7

_segmentG

variabili

ciclo

number 9

SWITCH ON (5 Volt) switch on

_segmentA

SWITCH ON (5 Volt) switch on

_segmentB

SWITCH ON (5 Volt) switch on

_segmentC

SWITCH ON (5 Volt) switch on

_segmentD

SWITCH OFF (0 Volt) switch off

_segmentE

SWITCH ON (5 Volt) switch on

_segmentF

SWITCH ON (5 Volt) switch on

_segmentG

wait 1000 milliseconds

number 8

SWITCH ON (5 Volt) switch on

_segmentA

SWITCH ON (5 Volt) switch on

_segmentB

SWITCH ON (5 Volt) switch on

_segmentC

SWITCH ON (5 Volt) switch on

_segmentD

SWITCH ON (5 Volt) switch on

_segmentE

SWITCH ON (5 Volt) switch on

_segmentF

SWITCH ON (5 Volt) switch on

_segmentG

wait 1000 milliseconds

number 7

SWITCH ON (5 Volt) switch on

_segmentA

SWITCH ON (5 Volt) switch on

_segmentB

SWITCH ON (5 Volt) switch on

_segmentC

SWITCH OFF (0 Volt) switch off

_segmentD

SWITCH OFF (0 Volt) switch off

_segmentE

SWITCH OFF (0 Volt) switch off

_segmentF

SWITCH OFF (0 Volt) switch off

_segmentG

wait 1000 milliseconds

number 6

SWITCH ON (5 Volt) switch on

_segmentA

SWITCH OFF (0 Volt) switch off

_segmentB

SWITCH ON (5 Volt) switch on

_segmentC

SWITCH ON (5 Volt) switch on

_segmentD

SWITCH ON (5 Volt) switch on

_segmentE

SWITCH ON (5 Volt) switch on

_segmentF

SWITCH ON (5 Volt) switch on

_segmentG

wait 1000 milliseconds

number 5

SWITCH ON (5 Volt) switch on

_segmentA

SWITCH OFF (0 Volt) switch off

_segmentB

SWITCH ON (5 Volt) switch on

_segmentC

SWITCH ON (5 Volt) switch on

_segmentD

SWITCH OFF (0 Volt) switch off

_segmentE

SWITCH ON (5 Volt) switch on

_segmentF

SWITCH ON (5 Volt) switch on

_segmentG

wait 1000 milliseconds

number 4

SWITCH OFF (0 Volt) switch off

_segmentA

SWITCH ON (5 Volt) switch on

_segmentB

SWITCH ON (5 Volt) switch on

_segmentC

SWITCH OFF (0 Volt) switch off

_segmentD

SWITCH OFF (0 Volt) switch off

_segmentE

SWITCH ON (5 Volt) switch on

_segmentF

SWITCH ON (5 Volt) switch on

_segmentG

wait 1000 milliseconds

number 3

SWITCH ON (5 Volt) switch on

_segmentA

SWITCH ON (5 Volt) switch on

_segmentB

SWITCH ON (5 Volt) switch on

_segmentC

SWITCH ON (5 Volt) switch on

_segmentD

SWITCH OFF (0 Volt) switch off

_segmentE

SWITCH OFF (0 Volt) switch off

_segmentF

SWITCH ON (5 Volt) switch on

_segmentG

wait 1000 milliseconds

number 2

SWITCH ON (5 Volt) switch on

_segmentA

SWITCH ON (5 Volt) switch on

_segmentB

SWITCH OFF (0 Volt) switch off

_segmentC

SWITCH ON (5 Volt) switch on

_segmentD

SWITCH ON (5 Volt) switch on

_segmentE

SWITCH OFF (0 Volt) switch off

_segmentF

SWITCH ON (5 Volt) switch on

_segmentG

wait 1000 milliseconds

number 1

SWITCH OFF (0 Volt) switch off

_segmentA

SWITCH ON (5 Volt) switch on

_segmentB

SWITCH ON (5 Volt) switch on

_segmentC

SWITCH OFF (0 Volt) switch off

_segmentD

SWITCH OFF (0 Volt) switch off

_segmentE

SWITCH OFF (0 Volt) switch off

_segmentF

SWITCH OFF (0 Volt) switch off

_segmentG

wait 1000 milliseconds

number 0

SWITCH ON (5 Volt) switch on

_segmentA

SWITCH ON (5 Volt) switch on

_segmentB

SWITCH ON (5 Volt) switch on

_segmentC

SWITCH ON (5 Volt) switch on

_segmentD

SWITCH ON (5 Volt) switch on

_segmentE

SWITCH ON (5 Volt) switch on

_segmentF

SWITCH OFF (0 Volt) switch off

_segmentG

wait 1000 milliseconds

Arduino code

//programma: conto_alla_rovescia

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

//******* declare ******** 
const int pin_segmentA=1;//pin of _segmentA
const int pin_segmentB=2;//pin of _segmentB
const int pin_segmentC=3;//pin of _segmentC
const int pin_segmentD=4;//pin of _segmentD
const int pin_segmentE=5;//pin of _segmentE
const int pin_segmentF=6;//pin of _segmentF
const int pin_segmentG=7;//pin of _segmentG

//********** setup **********  
   void setup(){ 
	
	pinMode(pin_segmentA,OUTPUT);  
	pinMode(pin_segmentB,OUTPUT);  
	pinMode(pin_segmentC,OUTPUT);  
	pinMode(pin_segmentD,OUTPUT);  
	pinMode(pin_segmentE,OUTPUT);  
	pinMode(pin_segmentF,OUTPUT);  
	pinMode(pin_segmentG,OUTPUT);  
}

//********** loop ********** 
 void loop() {

//****************number_9****************
	digitalWrite(pin_segmentA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentD,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentE,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentF,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentG,HIGH); // HIGH/LOW is the voltage 5V/0V)
	delay(1000);//attendi

//****************number_8****************
	digitalWrite(pin_segmentA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentD,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentE,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentF,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentG,HIGH); // HIGH/LOW is the voltage 5V/0V)
	delay(1000);//attendi

//****************number_7****************
	digitalWrite(pin_segmentA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentD,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentE,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentF,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentG,LOW); // HIGH/LOW is the voltage 5V/0V)
	delay(1000);//attendi

//****************number_6****************
	digitalWrite(pin_segmentA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentB,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentD,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentE,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentF,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentG,HIGH); // HIGH/LOW is the voltage 5V/0V)
	delay(1000);//attendi

//****************number_5****************
	digitalWrite(pin_segmentA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentB,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentD,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentE,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentF,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentG,HIGH); // HIGH/LOW is the voltage 5V/0V)
	delay(1000);//attendi

//****************number_4****************
	digitalWrite(pin_segmentA,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentD,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentE,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentF,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentG,HIGH); // HIGH/LOW is the voltage 5V/0V)
	delay(1000);//attendi

//****************number_3****************
	digitalWrite(pin_segmentA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentD,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentE,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentF,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentG,HIGH); // HIGH/LOW is the voltage 5V/0V)
	delay(1000);//attendi

//****************number_2****************
	digitalWrite(pin_segmentA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentC,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentD,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentE,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentF,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentG,HIGH); // HIGH/LOW is the voltage 5V/0V)
	delay(1000);//attendi

//****************number_1****************
	digitalWrite(pin_segmentA,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentD,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentE,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentF,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentG,LOW); // HIGH/LOW is the voltage 5V/0V)
	delay(1000);//attendi

//****************number_0****************
	digitalWrite(pin_segmentA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentD,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentE,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentF,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segmentG,LOW); // HIGH/LOW is the voltage 5V/0V)
	delay(1000);//attendi

};//end loop

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//www.mastrohora.it

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