Simple 7 segments display

My first 7 segment display project! It counts from 0 to 9, you can make it count backwards, just invert void loop.

Jan 13, 2021

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easy

numbers

segment

Components and supplies

7 Segment LED Display, InfoVue

Arduino UNO

Resistor 220 ohm

Male/Male Jumper Wires

Project description

Code

Simple 7 segment display

c_cpp

1int A = 8;
2int B = 9;
3int C = 12;
4int D = 11;
5int E = 10;
6int   F = 7;
7int G = 6;
8void zero() {
9  digitalWrite(A, HIGH);
10  digitalWrite(B,   HIGH);
11  digitalWrite(C, HIGH);
12  digitalWrite(D, HIGH);
13  digitalWrite(E,   HIGH);
14  digitalWrite(F, HIGH);
15  digitalWrite(G, LOW);
16}
17void one()   {
18  digitalWrite(A, LOW);
19  digitalWrite(B, HIGH);
20  digitalWrite(C, HIGH);
21   digitalWrite(D, LOW);
22  digitalWrite(E, LOW);
23  digitalWrite(F, LOW);
24   digitalWrite(G, LOW);
25}
26void two() {
27  digitalWrite(A, HIGH);
28  digitalWrite(B,   HIGH);
29  digitalWrite(C, LOW);
30  digitalWrite(D, HIGH);
31  digitalWrite(E,   HIGH);
32  digitalWrite(F, LOW);
33  digitalWrite(G, HIGH);
34}
35void three()   {
36  digitalWrite(A, HIGH);
37  digitalWrite(B, HIGH);
38  digitalWrite(C, HIGH);
39   digitalWrite(D, HIGH);
40  digitalWrite(E, LOW);
41  digitalWrite(F, LOW);
42   digitalWrite(G, HIGH);
43}
44void four() {
45  digitalWrite(A, LOW);
46  digitalWrite(B,   HIGH);
47  digitalWrite(C, HIGH);
48  digitalWrite(D, LOW);
49  digitalWrite(E,   LOW);
50  digitalWrite(F, HIGH);
51  digitalWrite(G, HIGH);
52}
53void five()   {
54  digitalWrite(A, HIGH);
55  digitalWrite(B, LOW);
56  digitalWrite(C, HIGH);
57   digitalWrite(D, HIGH);
58  digitalWrite(E, LOW);
59  digitalWrite(F, HIGH);
60   digitalWrite(G, HIGH);
61}
62void six() {
63  digitalWrite(A, HIGH);
64  digitalWrite(B,   LOW);
65  digitalWrite(C, HIGH);
66  digitalWrite(D, HIGH);
67  digitalWrite(E,   HIGH);
68  digitalWrite(F, HIGH);
69  digitalWrite(G, HIGH);
70}
71void seven()   {
72  digitalWrite(A, HIGH);
73  digitalWrite(B, HIGH);
74  digitalWrite(C, HIGH);
75   digitalWrite(D, LOW);
76  digitalWrite(E, LOW);
77  digitalWrite(F, LOW);
78   digitalWrite(G, LOW);
79}
80void eight() {
81  digitalWrite(A, HIGH);
82  digitalWrite(B,   HIGH);
83  digitalWrite(C, HIGH);
84  digitalWrite(D, HIGH);
85  digitalWrite(E,   HIGH);
86  digitalWrite(F, HIGH);
87  digitalWrite(G, HIGH);
88}
89void nine()   {
90  digitalWrite(A, HIGH);
91  digitalWrite(B, HIGH);
92  digitalWrite(C, HIGH);
93   digitalWrite(D, LOW);
94  digitalWrite(E, LOW);
95  digitalWrite(F, HIGH);
96   digitalWrite(G, HIGH);
97}
98void setup() {
99  pinMode(A, OUTPUT);
100  pinMode(B,   OUTPUT);
101  pinMode(C, OUTPUT);
102  pinMode(D, OUTPUT);
103  pinMode(E, OUTPUT);
104   pinMode(F, OUTPUT);
105  pinMode(G, OUTPUT);
106}
107
108void loop() {
109  zero();
110   delay(1000);
111  one();
112  delay(1000);
113  two();
114  delay(1000);
115  three();
116   delay(1000);
117  four();
118  delay(1000);
119  five();
120  delay(1000);
121   six();
122  delay(1000);
123  seven();
124  delay(1000);
125  eight();
126  delay(1000);
127   nine();
128  delay(1000);
129}

int A = 8;
int B = 9;
int C = 12;
int D = 11;
int E = 10;
int   F = 7;
int G = 6;
void zero() {
  digitalWrite(A, HIGH);
  digitalWrite(B,   HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(E,   HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(G, LOW);
}
void one()   {
  digitalWrite(A, LOW);
  digitalWrite(B, HIGH);
  digitalWrite(C, HIGH);
   digitalWrite(D, LOW);
  digitalWrite(E, LOW);
  digitalWrite(F, LOW);
   digitalWrite(G, LOW);
}
void two() {
  digitalWrite(A, HIGH);
  digitalWrite(B,   HIGH);
  digitalWrite(C, LOW);
  digitalWrite(D, HIGH);
  digitalWrite(E,   HIGH);
  digitalWrite(F, LOW);
  digitalWrite(G, HIGH);
}
void three()   {
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(C, HIGH);
   digitalWrite(D, HIGH);
  digitalWrite(E, LOW);
  digitalWrite(F, LOW);
   digitalWrite(G, HIGH);
}
void four() {
  digitalWrite(A, LOW);
  digitalWrite(B,   HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, LOW);
  digitalWrite(E,   LOW);
  digitalWrite(F, HIGH);
  digitalWrite(G, HIGH);
}
void five()   {
  digitalWrite(A, HIGH);
  digitalWrite(B, LOW);
  digitalWrite(C, HIGH);
   digitalWrite(D, HIGH);
  digitalWrite(E, LOW);
  digitalWrite(F, HIGH);
   digitalWrite(G, HIGH);
}
void six() {
  digitalWrite(A, HIGH);
  digitalWrite(B,   LOW);
  digitalWrite(C, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(E,   HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(G, HIGH);
}
void seven()   {
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(C, HIGH);
   digitalWrite(D, LOW);
  digitalWrite(E, LOW);
  digitalWrite(F, LOW);
   digitalWrite(G, LOW);
}
void eight() {
  digitalWrite(A, HIGH);
  digitalWrite(B,   HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(E,   HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(G, HIGH);
}
void nine()   {
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(C, HIGH);
   digitalWrite(D, LOW);
  digitalWrite(E, LOW);
  digitalWrite(F, HIGH);
   digitalWrite(G, HIGH);
}
void setup() {
  pinMode(A, OUTPUT);
  pinMode(B,   OUTPUT);
  pinMode(C, OUTPUT);
  pinMode(D, OUTPUT);
  pinMode(E, OUTPUT);
   pinMode(F, OUTPUT);
  pinMode(G, OUTPUT);
}

void loop() {
  zero();
   delay(1000);
  one();
  delay(1000);
  two();
  delay(1000);
  three();
   delay(1000);
  four();
  delay(1000);
  five();
  delay(1000);
   six();
  delay(1000);
  seven();
  delay(1000);
  eight();
  delay(1000);
   nine();
  delay(1000);
}

Simple 7 segment display

c_cpp

1int A = 8;
2int B = 9;
3int C = 12;
4int D = 11;
5int E = 10;
6int  F = 7;
7int G = 6;
8void zero() {
9  digitalWrite(A, HIGH);
10  digitalWrite(B,  HIGH);
11  digitalWrite(C, HIGH);
12  digitalWrite(D, HIGH);
13  digitalWrite(E,  HIGH);
14  digitalWrite(F, HIGH);
15  digitalWrite(G, LOW);
16}
17void one()  {
18  digitalWrite(A, LOW);
19  digitalWrite(B, HIGH);
20  digitalWrite(C, HIGH);
21  digitalWrite(D, LOW);
22  digitalWrite(E, LOW);
23  digitalWrite(F, LOW);
24  digitalWrite(G, LOW);
25}
26void two() {
27  digitalWrite(A, HIGH);
28  digitalWrite(B,  HIGH);
29  digitalWrite(C, LOW);
30  digitalWrite(D, HIGH);
31  digitalWrite(E,  HIGH);
32  digitalWrite(F, LOW);
33  digitalWrite(G, HIGH);
34}
35void three()  {
36  digitalWrite(A, HIGH);
37  digitalWrite(B, HIGH);
38  digitalWrite(C, HIGH);
39  digitalWrite(D, HIGH);
40  digitalWrite(E, LOW);
41  digitalWrite(F, LOW);
42  digitalWrite(G, HIGH);
43}
44void four() {
45  digitalWrite(A, LOW);
46  digitalWrite(B,  HIGH);
47  digitalWrite(C, HIGH);
48  digitalWrite(D, LOW);
49  digitalWrite(E,  LOW);
50  digitalWrite(F, HIGH);
51  digitalWrite(G, HIGH);
52}
53void five()  {
54  digitalWrite(A, HIGH);
55  digitalWrite(B, LOW);
56  digitalWrite(C, HIGH);
57  digitalWrite(D, HIGH);
58  digitalWrite(E, LOW);
59  digitalWrite(F, HIGH);
60  digitalWrite(G, HIGH);
61}
62void six() {
63  digitalWrite(A, HIGH);
64  digitalWrite(B,  LOW);
65  digitalWrite(C, HIGH);
66  digitalWrite(D, HIGH);
67  digitalWrite(E,  HIGH);
68  digitalWrite(F, HIGH);
69  digitalWrite(G, HIGH);
70}
71void seven()  {
72  digitalWrite(A, HIGH);
73  digitalWrite(B, HIGH);
74  digitalWrite(C, HIGH);
75  digitalWrite(D, LOW);
76  digitalWrite(E, LOW);
77  digitalWrite(F, LOW);
78  digitalWrite(G, LOW);
79}
80void eight() {
81  digitalWrite(A, HIGH);
82  digitalWrite(B,  HIGH);
83  digitalWrite(C, HIGH);
84  digitalWrite(D, HIGH);
85  digitalWrite(E,  HIGH);
86  digitalWrite(F, HIGH);
87  digitalWrite(G, HIGH);
88}
89void nine()  {
90  digitalWrite(A, HIGH);
91  digitalWrite(B, HIGH);
92  digitalWrite(C, HIGH);
93  digitalWrite(D, LOW);
94  digitalWrite(E, LOW);
95  digitalWrite(F, HIGH);
96  digitalWrite(G, HIGH);
97}
98void setup() {
99  pinMode(A, OUTPUT);
100  pinMode(B,  OUTPUT);
101  pinMode(C, OUTPUT);
102  pinMode(D, OUTPUT);
103  pinMode(E, OUTPUT);
104  pinMode(F, OUTPUT);
105  pinMode(G, OUTPUT);
106}
107
108void loop() {
109  zero();
110  delay(1000);
111  one();
112  delay(1000);
113  two();
114  delay(1000);
115  three();
116  delay(1000);
117  four();
118  delay(1000);
119  five();
120  delay(1000);
121  six();
122  delay(1000);
123  seven();
124  delay(1000);
125  eight();
126  delay(1000);
127  nine();
128  delay(1000);
129}

int A = 8;
int B = 9;
int C = 12;
int D = 11;
int E = 10;
int  F = 7;
int G = 6;
void zero() {
  digitalWrite(A, HIGH);
  digitalWrite(B,  HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(E,  HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(G, LOW);
}
void one()  {
  digitalWrite(A, LOW);
  digitalWrite(B, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, LOW);
  digitalWrite(E, LOW);
  digitalWrite(F, LOW);
  digitalWrite(G, LOW);
}
void two() {
  digitalWrite(A, HIGH);
  digitalWrite(B,  HIGH);
  digitalWrite(C, LOW);
  digitalWrite(D, HIGH);
  digitalWrite(E,  HIGH);
  digitalWrite(F, LOW);
  digitalWrite(G, HIGH);
}
void three()  {
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(E, LOW);
  digitalWrite(F, LOW);
  digitalWrite(G, HIGH);
}
void four() {
  digitalWrite(A, LOW);
  digitalWrite(B,  HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, LOW);
  digitalWrite(E,  LOW);
  digitalWrite(F, HIGH);
  digitalWrite(G, HIGH);
}
void five()  {
  digitalWrite(A, HIGH);
  digitalWrite(B, LOW);
  digitalWrite(C, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(E, LOW);
  digitalWrite(F, HIGH);
  digitalWrite(G, HIGH);
}
void six() {
  digitalWrite(A, HIGH);
  digitalWrite(B,  LOW);
  digitalWrite(C, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(E,  HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(G, HIGH);
}
void seven()  {
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, LOW);
  digitalWrite(E, LOW);
  digitalWrite(F, LOW);
  digitalWrite(G, LOW);
}
void eight() {
  digitalWrite(A, HIGH);
  digitalWrite(B,  HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(E,  HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(G, HIGH);
}
void nine()  {
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, LOW);
  digitalWrite(E, LOW);
  digitalWrite(F, HIGH);
  digitalWrite(G, HIGH);
}
void setup() {
  pinMode(A, OUTPUT);
  pinMode(B,  OUTPUT);
  pinMode(C, OUTPUT);
  pinMode(D, OUTPUT);
  pinMode(E, OUTPUT);
  pinMode(F, OUTPUT);
  pinMode(G, OUTPUT);
}

void loop() {
  zero();
  delay(1000);
  one();
  delay(1000);
  two();
  delay(1000);
  three();
  delay(1000);
  four();
  delay(1000);
  five();
  delay(1000);
  six();
  delay(1000);
  seven();
  delay(1000);
  eight();
  delay(1000);
  nine();
  delay(1000);
}

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