Difference between revisions of "Persistence of Vision and Temperature sensor Arduino code"
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// defining the time dots appear (ms) | // defining the time dots appear (ms) | ||
dotTime = 3; | dotTime = 3; | ||
− | + | } | |
− | } | ||
void printLetter(int letter[]) | void printLetter(int letter[]) | ||
− | { | + | { |
int y; | int y; | ||
Revision as of 12:39, 12 April 2015
//Reading realtime values of a sensor using persistence of vision typography using the Arduino
// array for displaying numbers or letters
int _[] = {0,0,0,0,0, 0,0,0,0,0, 0,0,0,0,0}; int num1[] = {0,1,0,0,1, 1,1,1,1,1, 0,0,0,0,1}; int num2[] = {1,0,1,1,1, 1,0,1,0,1, 1,1,1,0,1}; int num3[] = {0,1,0,1,0, 1,0,1,0,1, 1,1,1,1,1}; int num4[] = {1,1,1,0,0, 0,0,1,0,0, 1,1,1,1,1}; int num5[] = {1,1,1,0,1, 1,0,1,0,1, 1,0,1,1,1}; int num6[] = {1,1,1,1,1, 1,0,1,0,1, 1,0,1,1,1}; int num7[] = {1,0,0,0,0, 1,0,0,0,0, 1,1,1,1,1}; int num8[] = {1,1,1,1,1, 1,0,1,0,1, 1,1,1,1,1}; int num9[] = {1,1,1,0,1, 1,0,1,0,1, 1,1,1,1,1}; int num0[] = {1,1,1,1,1, 1,0,0,0,1, 1,1,1,1,1}; int dot[] = {0,0,0,0,0, 1,1,0,0,0, 1,1,0,0,0}; int C[] = {1,1,1,1,1, 1,0,0,0,1, 1,0,0,0,1}; int minus[] = {0,0,1,0,0, 0,0,1,0,0, 0,0,1,0,0}; int letterSpace; int dotTime;
int temp;
int tempPin = 0;
void setup() {
Serial.begin(9600); // setting the ports of the leds to OUTPUT pinMode(2, OUTPUT); pinMode(3, OUTPUT); pinMode(4, OUTPUT); pinMode(5, OUTPUT); pinMode(6, OUTPUT); // defining the space between the letters (ms) letterSpace = 6; // defining the time dots appear (ms) dotTime = 3; }
void printLetter(int letter[])
{ int y; // printing the first y row of the letter for (y=0; y<5; y++) { digitalWrite(y+2, letter[y]); } delay(dotTime); // printing the second y row of the letter for (y=0; y<5; y++) { digitalWrite(y+2, letter[y+5]); } delay(dotTime); // printing the third y row of the letter for (y=0; y<5; y++) { digitalWrite(y+2, letter[y+10]); } delay(dotTime); // printing the sspace between the letters for (y=0; y<5; y++) { digitalWrite(y+2, 0); } delay(letterSpace);
} void loop() {
int ara[2]; //Array to store separate digits of the temperature value. int count=0; int n; //To calculate values from the LM35 temp = analogRead(tempPin); temp = temp * 0.48828125; //Serial.print(temp); if (temp == 0) printLetter(num0); n=temp; //make a copy of the temperature value in another variable. // To calculate the number of digits in the temperature sensor value
if (temp > 0) { while(n!=0) { n=n/10; ++count; } } //to store the digits of the temperature value in an array for(int i=0;i<=count;i++) { ara[i]=temp%10; temp=temp/10; } //loop to output the digits stored in the array for(int i=count;i>=0;i--) { if (ara[i] == 1) printLetter(num1); if (ara[i] == 2) printLetter(num2); if (ara[i] == 3) printLetter(num3); if (ara[i] == 4) printLetter(num4); if (ara[i] == 5) printLetter(num5); if (ara[i] == 6) printLetter(num6); if (ara[i] == 7) printLetter(num7); if (ara[i] == 8) printLetter(num8); if (ara[i] == 9) printLetter(num9); if (ara[i] == 0) printLetter(num0); } delay(5); printLetter(dot); printLetter(C);
}