4-Digit 7-Segment + Shift Register Counter

1
2int latchPin = 5;
3int dataPin = 4;
4int clockPin = 6;
5const  float segSpeed = .05; //How quickly to flash each led segment.
6const int digLoop  = 100; //How many times to repeat the segment sequence.
7const int nextPin = 200;  //Delay before moving to the next digit on the display.
8const int repeatSeq =  300; //Delay before starting over from the first digit.
9const int pinArray[4]  = {3, 9, 10, 11}; //Defines PWM pins, the pins that activate each digiti.
10const  int digArray[11][9] = {
11  {127, 191, 223, 239, 247, 251, 255, 254, 255}, //0:  127 top led segment
12  {255, 191, 223, 255, 255, 255, 255, 254, 255}, //1: 191  top right seg
13  {127, 191, 255, 239, 247, 255, 253, 254, 255}, //2: 255 is NO  segment
14  {127, 191, 223, 239, 255, 255, 253, 254, 255}, //3: 223 bottom right  seg
15  {255, 191, 223, 255, 255, 251, 253, 254, 255}, //4: 
16  {127, 255, 223,  239, 255, 251, 253, 254, 255}, //5: 239 bottom seg
17  {127, 191, 223, 239, 247,  255, 253, 254, 255}, //6: 247 bottom left seg
18  {127, 191, 223, 255, 255, 255,  255, 254, 255}, //7: 
19  /*Example for the number 7:
20   * 127:   |_ON  |
21   * 251:OFF    ON:191
22   * 253:   OFF | |
23   * 247:OFF    ON:223
24   *  239:   OFF |_|  
25   */
26  {127, 191, 223, 239, 247, 251, 253, 254, 255}, //8:  251 top left seg
27  {127, 191, 223, 239, 255, 251, 253, 254, 255}, //9: 253 center  seg
28  {255, 255, 255, 255, 255, 255, 255, 254, 255}, //DP: Decimal Point seg
29};
30const  int arrHeight = 9; // (0-9) 9 displays digits 0-9. 
31const int arrWidth = 6; //  (0-8) how many segments from each row to use. 7 will add the decimal row.
32
33void  setup() {
34  //Serial.begin(9600); //which port to output serial display data.  unused. slows display down.
35  pinMode(latchPin, OUTPUT);
36  pinMode(dataPin,  OUTPUT);
37  pinMode(clockPin, OUTPUT);
38}
39
40void loop() {
41  for (int  i = 0; i <= 3; i++) { //cycles through all PWM pins
42    for (int k = 0; k <=  arrHeight; k++) { //cycles through countTo number of digArray rows
43      analogWrite((pinArray[i]),  255); //turns PWM pin(i) on
44      for (int h = 0; h <= digLoop; h++) { //how  many times to cycle through columns
45        for (int j = 0; j <= arrWidth; j++)  { //cycles through all displayed column data
46          digitalWrite(latchPin,  HIGH);
47          shiftOut(dataPin, clockPin, MSBFIRST, digArray[k][j]);
48          digitalWrite(latchPin,  LOW);
49          delay(segSpeed); //delay until next segment displayed sequence
50        }
51      }
52      analogWrite((pinArray[i]), 0); //turns PWM pin(i)  off
53      delay(nextPin); //delay until next displayed digit sequence
54    }
55  }
56  delay(repeatSeq); //delay until everything is started over again
57}

1
2int latchPin = 5;
3int dataPin = 4;
4int clockPin = 6;
5const
6  float segSpeed = .05; //How quickly to flash each led segment.
7const int digLoop
8  = 100; //How many times to repeat the segment sequence.
9const int nextPin = 200;
10  //Delay before moving to the next digit on the display.
11const int repeatSeq =
12  300; //Delay before starting over from the first digit.
13const int pinArray[4]
14  = {3, 9, 10, 11}; //Defines PWM pins, the pins that activate each digiti.
15const
16  int digArray[11][9] = {
17  {127, 191, 223, 239, 247, 251, 255, 254, 255}, //0:
18  127 top led segment
19  {255, 191, 223, 255, 255, 255, 255, 254, 255}, //1: 191
20  top right seg
21  {127, 191, 255, 239, 247, 255, 253, 254, 255}, //2: 255 is NO
22  segment
23  {127, 191, 223, 239, 255, 255, 253, 254, 255}, //3: 223 bottom right
24  seg
25  {255, 191, 223, 255, 255, 251, 253, 254, 255}, //4: 
26  {127, 255, 223,
27  239, 255, 251, 253, 254, 255}, //5: 239 bottom seg
28  {127, 191, 223, 239, 247,
29  255, 253, 254, 255}, //6: 247 bottom left seg
30  {127, 191, 223, 255, 255, 255,
31  255, 254, 255}, //7: 
32  /*Example for the number 7:
33   * 127:   |_ON  |
34
35   * 251:OFF    ON:191
36   * 253:   OFF | |
37   * 247:OFF    ON:223
38   *
39  239:   OFF |_|  
40   */
41  {127, 191, 223, 239, 247, 251, 253, 254, 255}, //8:
42  251 top left seg
43  {127, 191, 223, 239, 255, 251, 253, 254, 255}, //9: 253 center
44  seg
45  {255, 255, 255, 255, 255, 255, 255, 254, 255}, //DP: Decimal Point seg
46};
47const
48  int arrHeight = 9; // (0-9) 9 displays digits 0-9. 
49const int arrWidth = 6; //
50  (0-8) how many segments from each row to use. 7 will add the decimal row.
51
52void
53  setup() {
54  //Serial.begin(9600); //which port to output serial display data.
55  unused. slows display down.
56  pinMode(latchPin, OUTPUT);
57  pinMode(dataPin,
58  OUTPUT);
59  pinMode(clockPin, OUTPUT);
60}
61
62void loop() {
63  for (int
64  i = 0; i <= 3; i++) { //cycles through all PWM pins
65    for (int k = 0; k <=
66  arrHeight; k++) { //cycles through countTo number of digArray rows
67      analogWrite((pinArray[i]),
68  255); //turns PWM pin(i) on
69      for (int h = 0; h <= digLoop; h++) { //how
70  many times to cycle through columns
71        for (int j = 0; j <= arrWidth; j++)
72  { //cycles through all displayed column data
73          digitalWrite(latchPin,
74  HIGH);
75          shiftOut(dataPin, clockPin, MSBFIRST, digArray[k][j]);
76          digitalWrite(latchPin,
77  LOW);
78          delay(segSpeed); //delay until next segment displayed sequence
79
80        }
81      }
82      analogWrite((pinArray[i]), 0); //turns PWM pin(i)
83  off
84      delay(nextPin); //delay until next displayed digit sequence
85    }
86
87  }
88  delay(repeatSeq); //delay until everything is started over again
89}