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July 22, 2016 22:45
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/* | |
This Arduino code for "4-digit-7-segment-led-display" (KYX-5461AS). | |
* This code can display one Number in all 4 digit! | |
* This code can display 4 Numbers each on in specific digit | |
* This code can also make a Number Countdown (Timers). | |
author : Oussama Amri (@amriunix) | |
website : ithepro.com | |
*/ | |
//display pins | |
int segA = 5; // >> 11 | |
int segB = 13; // >> 7 | |
int segC = 10; // >> 4 | |
int segD = 8; // >> 2 | |
int segE = 7; // >> 1 | |
int segF = 4; // >> 10 | |
int segG = 11; // >> 5 | |
int segPt = 9; // >> 3 | |
//------------// | |
//display digit | |
int d1 = 6; // >> 12 | |
int d2 = 3; // >> 9 | |
int d3 = 2; // >> 8 | |
int d4 = 12; // >> 6 | |
//------------// | |
int delayTime = 5000; //delayTime <Don't change it, if you don't know where is it!> | |
int i=0; | |
//=============================================// | |
//init all pin used | |
void setup() { | |
pinMode(2, OUTPUT); | |
pinMode(3, OUTPUT); | |
pinMode(4, OUTPUT); | |
pinMode(5, OUTPUT); | |
pinMode(6, OUTPUT); | |
pinMode(7, OUTPUT); | |
pinMode(8, OUTPUT); | |
pinMode(9, OUTPUT); | |
pinMode(10, OUTPUT); | |
pinMode(11, OUTPUT); | |
pinMode(12, OUTPUT); | |
pinMode(13, OUTPUT); | |
} | |
//=============================================// | |
void loop() { | |
down(1,0,2,4); | |
//all(5); | |
//zero(); | |
//writeN(1,9,9,4); | |
//first(5); | |
} | |
//=============================================// | |
//Write a Number - writeN(1,9,9,0) -> 1990 | |
void writeN(int a,int b,int c,int d){ | |
selectDwriteL(1,a); | |
selectDwriteL(2,b); | |
selectDwriteL(3,c); | |
selectDwriteL(4,d); | |
} | |
//=============================================// | |
//Make a Number Number Countdown (Timers). | |
void down(int a,int b,int c,int d){ | |
while (a != -1) { | |
while(b != -1){ | |
while(c != -1){ | |
while (d != -1) { | |
while (i<10) { // i here is like a timer ! because we can't use delay function | |
selectDwriteL(1,a); | |
selectDwriteL(2,b); | |
selectDwriteL(3,c); | |
selectDwriteL(4,d); | |
i++; | |
} | |
i=0; | |
d--; | |
} | |
d=9; | |
c--; | |
} | |
c=9; | |
b--; | |
} | |
b=9; | |
a--; | |
} | |
} | |
//=============================================// | |
//Select Wich Digit (selectD) is going to Display (writeL) | |
void selectDwriteL(int d,int l){ | |
switch (d) { // choose a digit | |
case 0: digitalWrite(d1, HIGH); //case 0 - All ON | |
digitalWrite(d2, HIGH); | |
digitalWrite(d3, HIGH); | |
digitalWrite(d4, HIGH); | |
break; | |
case 1: digitalWrite(d1, HIGH);//case 1 - Digit Number 1 | |
digitalWrite(d2, LOW); | |
digitalWrite(d3, LOW); | |
digitalWrite(d4, LOW); | |
break; | |
case 2: digitalWrite(d1, LOW);//case 2 - Digit Number 2 | |
digitalWrite(d2, HIGH); | |
digitalWrite(d3, LOW); | |
digitalWrite(d4, LOW); | |
break; | |
case 3: digitalWrite(d1, LOW);//case 1 - Digit Number 3 | |
digitalWrite(d2, LOW); | |
digitalWrite(d3, HIGH); | |
digitalWrite(d4, LOW); | |
break; | |
case 4: digitalWrite(d1, LOW);//case 1 - Digit Number 4 | |
digitalWrite(d2, LOW); | |
digitalWrite(d3, LOW); | |
digitalWrite(d4, HIGH); | |
break; | |
} | |
switch (l) { // choose a Number | |
case 0: zero(); | |
break; | |
case 1: one(); | |
break; | |
case 2: two(); | |
break; | |
case 3: three(); | |
break; | |
case 4: four(); | |
break; | |
case 5: five(); | |
break; | |
case 6: six(); | |
break; | |
case 7: seven(); | |
break; | |
case 8: eight(); | |
break; | |
case 9: nine(); | |
break; | |
case 10: point(); // print a Point | |
break; | |
case 11: none(); // make all them off ! | |
break; | |
} | |
delayMicroseconds(delayTime); // delayTime for nice display of the Number ! | |
} | |
//=============================================// | |
//shown one Number in the 4 Digit | |
void all(int n){ | |
selectDwriteL(0,n); | |
} | |
void first(int n){ | |
selectDwriteL(1,n); | |
} | |
//=============================================// | |
void zero(){ | |
digitalWrite(segA, LOW); | |
digitalWrite(segB, LOW); | |
digitalWrite(segC, LOW); | |
digitalWrite(segD, LOW); | |
digitalWrite(segE, LOW); | |
digitalWrite(segF, LOW); | |
digitalWrite(segG, HIGH); | |
digitalWrite(segPt, HIGH); | |
} | |
//=============================================// | |
void one(){ | |
digitalWrite(segA, HIGH); | |
digitalWrite(segB, LOW); | |
digitalWrite(segC, LOW); | |
digitalWrite(segD, HIGH); | |
digitalWrite(segE, HIGH); | |
digitalWrite(segF, HIGH); | |
digitalWrite(segG, HIGH); | |
digitalWrite(segPt, HIGH); | |
} | |
//=============================================// | |
void two(){ | |
digitalWrite(segA, LOW); | |
digitalWrite(segB, LOW); | |
digitalWrite(segC, HIGH); | |
digitalWrite(segD, LOW); | |
digitalWrite(segE, LOW); | |
digitalWrite(segF, HIGH); | |
digitalWrite(segG, LOW); | |
digitalWrite(segPt, HIGH); | |
} | |
//=============================================// | |
void three(){ | |
digitalWrite(segA, LOW); | |
digitalWrite(segB, LOW); | |
digitalWrite(segC, LOW); | |
digitalWrite(segD, LOW); | |
digitalWrite(segE, HIGH); | |
digitalWrite(segF, HIGH); | |
digitalWrite(segG, LOW); | |
digitalWrite(segPt, HIGH); | |
} | |
//=============================================// | |
void four(){ | |
digitalWrite(segA, HIGH); | |
digitalWrite(segB, LOW); | |
digitalWrite(segC, LOW); | |
digitalWrite(segD, HIGH); | |
digitalWrite(segE, HIGH); | |
digitalWrite(segF, LOW); | |
digitalWrite(segG, LOW); | |
digitalWrite(segPt, HIGH); | |
} | |
//=============================================// | |
void five(){ | |
digitalWrite(segA, LOW); | |
digitalWrite(segB, HIGH); | |
digitalWrite(segC, LOW); | |
digitalWrite(segD, LOW); | |
digitalWrite(segE, HIGH); | |
digitalWrite(segF, LOW); | |
digitalWrite(segG, LOW); | |
digitalWrite(segPt, HIGH); | |
} | |
//=============================================// | |
void six(){ | |
digitalWrite(segA, LOW); | |
digitalWrite(segB, HIGH); | |
digitalWrite(segC, LOW); | |
digitalWrite(segD, LOW); | |
digitalWrite(segE, LOW); | |
digitalWrite(segF, LOW); | |
digitalWrite(segG, LOW); | |
digitalWrite(segPt, HIGH); | |
} | |
//=============================================// | |
void seven(){ | |
digitalWrite(segA, LOW); | |
digitalWrite(segB, LOW); | |
digitalWrite(segC, LOW); | |
digitalWrite(segD, HIGH); | |
digitalWrite(segE, HIGH); | |
digitalWrite(segF, HIGH); | |
digitalWrite(segG, HIGH); | |
digitalWrite(segPt, HIGH); | |
} | |
//=============================================// | |
void eight(){ | |
digitalWrite(segA, LOW); | |
digitalWrite(segB, LOW); | |
digitalWrite(segC, LOW); | |
digitalWrite(segD, LOW); | |
digitalWrite(segE, LOW); | |
digitalWrite(segF, LOW); | |
digitalWrite(segG, LOW); | |
digitalWrite(segPt, HIGH); | |
} | |
//=============================================// | |
void nine(){ | |
digitalWrite(segA, LOW); | |
digitalWrite(segB, LOW); | |
digitalWrite(segC, LOW); | |
digitalWrite(segD, LOW); | |
digitalWrite(segE, HIGH); | |
digitalWrite(segF, LOW); | |
digitalWrite(segG, LOW); | |
digitalWrite(segPt, HIGH); | |
} | |
//=============================================// | |
void point(){ | |
digitalWrite(segA, HIGH); | |
digitalWrite(segB, HIGH); | |
digitalWrite(segC, HIGH); | |
digitalWrite(segD, HIGH); | |
digitalWrite(segE, HIGH); | |
digitalWrite(segF, HIGH); | |
digitalWrite(segG, HIGH); | |
digitalWrite(segPt, LOW); | |
} | |
//=============================================// | |
void none(){ | |
digitalWrite(segA, HIGH); | |
digitalWrite(segB, HIGH); | |
digitalWrite(segC, HIGH); | |
digitalWrite(segD, HIGH); | |
digitalWrite(segE, HIGH); | |
digitalWrite(segF, HIGH); | |
digitalWrite(segG, HIGH); | |
digitalWrite(segPt, HIGH); | |
} |
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