7segmenti

introduzione

Numbers appear on the 7-segment display. We need to build them one by one with the various segments.
Arduino

programma

apri il programma

Arduino

inizia il laboratorio

algoritmo

attrezzaggio

pin1

_segA

pin2

_segB

pin3˜

_segC

pin4

_segD

pin5˜

_segE

pin6˜

_segF

pin7

_segG

pin0

_punto

variabili

X = 0

ciclo

SWITCH OFF (0 Volt) switch off

_segA

SWITCH OFF (0 Volt) switch off

_segB

SWITCH OFF (0 Volt) switch off

_segC

SWITCH OFF (0 Volt) switch off

_segD

SWITCH OFF (0 Volt) switch off

_segE

SWITCH OFF (0 Volt) switch off

_segF

SWITCH OFF (0 Volt) switch off

_segG

write the serial input on variable X

IF HAPPENS THAT X is equal to 1

SWITCH ON (5 Volt) switch on

_segB

SWITCH ON (5 Volt) switch on

_segC

IF HAPPENS THAT X is equal to 3

SWITCH ON (5 Volt) switch on

_segA

SWITCH ON (5 Volt) switch on

_segB

SWITCH ON (5 Volt) switch on

_segG

SWITCH ON (5 Volt) switch on

_segC

SWITCH ON (5 Volt) switch on

_segD

IF HAPPENS THAT X is equal to 4

SWITCH ON (5 Volt) switch on

_segF

SWITCH ON (5 Volt) switch on

_segG

SWITCH ON (5 Volt) switch on

_segB

SWITCH ON (5 Volt) switch on

_segC

IF HAPPENS THAT X is equal to 5

SWITCH ON (5 Volt) switch on

_segA

SWITCH ON (5 Volt) switch on

_segF

SWITCH ON (5 Volt) switch on

_segG

SWITCH ON (5 Volt) switch on

_segC

SWITCH ON (5 Volt) switch on

_segD

IF HAPPENS THAT X is equal to 6

SWITCH ON (5 Volt) switch on

_segA

SWITCH ON (5 Volt) switch on

_segF

SWITCH ON (5 Volt) switch on

_segG

SWITCH ON (5 Volt) switch on

_segC

SWITCH ON (5 Volt) switch on

_segD

SWITCH ON (5 Volt) switch on

_segE

IF HAPPENS THAT X is equal to 7

SWITCH ON (5 Volt) switch on

_segA

SWITCH ON (5 Volt) switch on

_segB

SWITCH ON (5 Volt) switch on

_segC

IF HAPPENS THAT X is equal to 8

SWITCH ON (5 Volt) switch on

_segA

SWITCH ON (5 Volt) switch on

_segB

SWITCH ON (5 Volt) switch on

_segC

SWITCH ON (5 Volt) switch on

_segD

SWITCH ON (5 Volt) switch on

_segE

SWITCH ON (5 Volt) switch on

_segF

SWITCH ON (5 Volt) switch on

_segG

IF HAPPENS THAT X is equal to 9

SWITCH ON (5 Volt) switch on

_segF

SWITCH ON (5 Volt) switch on

_segG

SWITCH ON (5 Volt) switch on

_segA

SWITCH ON (5 Volt) switch on

_segB

SWITCH ON (5 Volt) switch on

_segC

SWITCH ON (5 Volt) switch on

_segD

IF HAPPENS THAT X is equal to 0

SWITCH ON (5 Volt) switch on

_segA

SWITCH ON (5 Volt) switch on

_segB

SWITCH ON (5 Volt) switch on

_segC

SWITCH ON (5 Volt) switch on

_segD

SWITCH ON (5 Volt) switch on

_segE

SWITCH ON (5 Volt) switch on

_segF

wait 500 milliseconds

codice arduino

//programma: 7segmenti

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

//******* declare ******** 
int X=0;//declares the variable 
const int pin_segA=1;//pin of _segA
const int pin_segB=2;//pin of _segB
const int pin_segC=3;//pin of _segC
const int pin_segD=4;//pin of _segD
const int pin_segE=5;//pin of _segE
const int pin_segF=6;//pin of _segF
const int pin_segG=7;//pin of _segG
const int pin_punto=0;//pin of _punto

//********** setup **********  
   void setup(){ 
	 Serial.begin(9600);      //  Initialize the serial  port 
	
	pinMode(pin_segA,OUTPUT);  
	pinMode(pin_segB,OUTPUT);  
	pinMode(pin_segC,OUTPUT);  
	pinMode(pin_segD,OUTPUT);  
	pinMode(pin_segE,OUTPUT);  
	pinMode(pin_segF,OUTPUT);  
	pinMode(pin_segG,OUTPUT);  
	pinMode(pin_punto,OUTPUT);  
}

//********** loop ********** 
 void loop() { 
	
	digitalWrite(pin_segA,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segB,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segC,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segD,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segE,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segF,LOW); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segG,LOW); // HIGH/LOW is the voltage 5V/0V)
	X=Serial.read(); 
	if(X==1){ 
	digitalWrite(pin_segB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segC,HIGH); // HIGH/LOW is the voltage 5V/0V)
		} 
	if(X==3){ 
	digitalWrite(pin_segA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segG,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segD,HIGH); // HIGH/LOW is the voltage 5V/0V)
		} 
	if(X==4){ 
	digitalWrite(pin_segF,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segG,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segC,HIGH); // HIGH/LOW is the voltage 5V/0V)
		} 
	if(X==5){ 
	digitalWrite(pin_segA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segF,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segG,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segD,HIGH); // HIGH/LOW is the voltage 5V/0V)
		} 
	if(X==6){ 
	digitalWrite(pin_segA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segF,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segG,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segD,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segE,HIGH); // HIGH/LOW is the voltage 5V/0V)
		} 
	if(X==7){ 
	digitalWrite(pin_segA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segC,HIGH); // HIGH/LOW is the voltage 5V/0V)
		} 
	if(X==8){ 
	digitalWrite(pin_segA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segD,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segE,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segF,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segG,HIGH); // HIGH/LOW is the voltage 5V/0V)
		} 
	if(X==9){ 
	digitalWrite(pin_segF,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segG,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segD,HIGH); // HIGH/LOW is the voltage 5V/0V)
		} 
	if(X==0){ 
	digitalWrite(pin_segA,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segB,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segC,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segD,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segE,HIGH); // HIGH/LOW is the voltage 5V/0V)
	digitalWrite(pin_segF,HIGH); // HIGH/LOW is the voltage 5V/0V)
		} 
	delay(500);//attendi

};//end loop

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