Simple 0-9 Counter

1/*
2  Displays the numbers 0-9 on the display, at one second intervals
3  Implemented using 5611AH - 8-segment display
4  Pin assignment for 5611AH
5     G  F com A  B
6   __|__|__|__|__|__
7  | 10  9  8  7  6  |
8  |  1  2  3  4  5  |
9   --|--|--|--|--|--
10     E  D com C  P
11     
12  A=7,B=6,C=4,D=2,E=1,F=9,G=10,P=5,com=GND
13  LED segment assignment corresponding to pins
14    A
15   ---
16F |   | B
17  | G |
18   ---
19E |   | C
20  |   |
21   ---  . P
22    D
23*/
24 
25//  Pin 2-8 is connected to the 7 segments of the display.
26
27int pinA = 8;
28int  pinB = 9;
29int pinC = 4;
30int pinD = 3;
31int pinE = 2;
32int pinF = 7;
33int  pinG = 6;
34int pinP = 5;
35
36/*
37int D1 = 10;
38int D2 = 11;
39int D3 =  12;
40int D4 = 13;
41*/
42
43void setup() {                
44// initialize  the digital pins as outputs.
45  pinMode(pinA, OUTPUT);     
46  pinMode(pinB,  OUTPUT);     
47  pinMode(pinC, OUTPUT);     
48  pinMode(pinD, OUTPUT);     
49  pinMode(pinE, OUTPUT);     
50  pinMode(pinF, OUTPUT);     
51  pinMode(pinG,  OUTPUT);   
52  pinMode(pinP, OUTPUT);   
53/*
54  pinMode(D1, OUTPUT);  
55  pinMode(D2, OUTPUT);  
56  pinMode(D3, OUTPUT);  
57  pinMode(D4, OUTPUT);  
58*/
59}
60
61void  loop() {
62//0
63  digitalWrite(pinA, HIGH);   
64  digitalWrite(pinB, HIGH);   
65  digitalWrite(pinC, HIGH);   
66  digitalWrite(pinD, HIGH);   
67  digitalWrite(pinE,  HIGH);   
68  digitalWrite(pinF, HIGH);   
69  digitalWrite(pinG, LOW);   
70  digitalWrite(pinP, LOW);   
71  delay(500);               // wait for a second
72  
73  digitalWrite(pinA, HIGH);   
74  digitalWrite(pinB, HIGH);   
75  digitalWrite(pinC,  HIGH);   
76  digitalWrite(pinD, HIGH);   
77  digitalWrite(pinE, HIGH);   
78  digitalWrite(pinF, HIGH);   
79  digitalWrite(pinG, LOW);   
80  digitalWrite(pinP,  HIGH);   
81  delay(500);
82
83//1
84  digitalWrite(pinA, LOW);   
85  digitalWrite(pinB,  HIGH);   
86  digitalWrite(pinC, HIGH);   
87  digitalWrite(pinD, LOW);   
88  digitalWrite(pinE, LOW);   
89  digitalWrite(pinF, LOW);   
90  digitalWrite(pinG,  LOW);   
91  digitalWrite(pinP, LOW);  
92  delay(500);               // wait  for a second
93
94  digitalWrite(pinA, LOW);   
95  digitalWrite(pinB, HIGH);   
96  digitalWrite(pinC, HIGH);   
97  digitalWrite(pinD, LOW);   
98  digitalWrite(pinE,  LOW);   
99  digitalWrite(pinF, LOW);   
100  digitalWrite(pinG, LOW);   
101  digitalWrite(pinP,  HIGH);  
102  delay(500);
103
104//2
105  digitalWrite(pinA, HIGH);   
106  digitalWrite(pinB,  HIGH);   
107  digitalWrite(pinC, LOW);   
108  digitalWrite(pinD, HIGH);   
109  digitalWrite(pinE, HIGH);   
110  digitalWrite(pinF, LOW);   
111  digitalWrite(pinG,  HIGH);   
112  digitalWrite(pinP, LOW);  
113  delay(500);               // wait  for a second
114
115  digitalWrite(pinA, HIGH);   
116  digitalWrite(pinB, HIGH);   
117  digitalWrite(pinC, LOW);   
118  digitalWrite(pinD, HIGH);   
119  digitalWrite(pinE,  HIGH);   
120  digitalWrite(pinF, LOW);   
121  digitalWrite(pinG, HIGH);   
122  digitalWrite(pinP, HIGH);  
123  delay(500);
124  
125//3
126  digitalWrite(pinA,  HIGH);   
127  digitalWrite(pinB, HIGH);   
128  digitalWrite(pinC, HIGH);   
129  digitalWrite(pinD, HIGH);   
130  digitalWrite(pinE, LOW);   
131  digitalWrite(pinF,  LOW);   
132  digitalWrite(pinG, HIGH);   
133  digitalWrite(pinP, LOW);  
134  delay(500);               // wait for a second
135
136  digitalWrite(pinA, HIGH);   
137  digitalWrite(pinB,  HIGH);   
138  digitalWrite(pinC, HIGH);   
139  digitalWrite(pinD, HIGH);   
140  digitalWrite(pinE, LOW);   
141  digitalWrite(pinF, LOW);   
142  digitalWrite(pinG,  HIGH);   
143  digitalWrite(pinP, HIGH);  
144  delay(500);
145
146//4
147  digitalWrite(pinA,  LOW);   
148  digitalWrite(pinB, HIGH);   
149  digitalWrite(pinC, HIGH);   
150  digitalWrite(pinD, LOW);   
151  digitalWrite(pinE, LOW);   
152  digitalWrite(pinF,  HIGH);   
153  digitalWrite(pinG, HIGH);   
154  digitalWrite(pinP, LOW);  
155  delay(500);               // wait for a second
156  
157  digitalWrite(pinA, LOW);   
158  digitalWrite(pinB, HIGH);   
159  digitalWrite(pinC, HIGH);   
160  digitalWrite(pinD,  LOW);   
161  digitalWrite(pinE, LOW);   
162  digitalWrite(pinF, HIGH);   
163  digitalWrite(pinG, HIGH);   
164  digitalWrite(pinP, HIGH);  
165  delay(500);
166
167//5
168  digitalWrite(pinA, HIGH);   
169  digitalWrite(pinB, LOW);   
170  digitalWrite(pinC,  HIGH);   
171  digitalWrite(pinD, HIGH);   
172  digitalWrite(pinE, LOW);   
173  digitalWrite(pinF, HIGH);   
174  digitalWrite(pinG, HIGH);   
175  digitalWrite(pinP,  LOW);  
176  delay(500);               // wait for a second
177  
178  digitalWrite(pinA,  HIGH);   
179  digitalWrite(pinB, LOW);   
180  digitalWrite(pinC, HIGH);   
181  digitalWrite(pinD, HIGH);   
182  digitalWrite(pinE, LOW);   
183  digitalWrite(pinF,  HIGH);   
184  digitalWrite(pinG, HIGH);   
185  digitalWrite(pinP, HIGH);  
186  delay(500);
187
188//6
189  digitalWrite(pinA, HIGH);   
190  digitalWrite(pinB,  LOW);   
191  digitalWrite(pinC, HIGH);   
192  digitalWrite(pinD, HIGH);   
193  digitalWrite(pinE, HIGH);   
194  digitalWrite(pinF, HIGH);   
195  digitalWrite(pinG,  HIGH);   
196  digitalWrite(pinP, LOW);  
197  delay(500);               // wait  for a second
198  
199  digitalWrite(pinA, HIGH);   
200  digitalWrite(pinB, LOW);   
201  digitalWrite(pinC, HIGH);   
202  digitalWrite(pinD, HIGH);   
203  digitalWrite(pinE,  HIGH);   
204  digitalWrite(pinF, HIGH);   
205  digitalWrite(pinG, HIGH);   
206  digitalWrite(pinP, HIGH);  
207  delay(500);
208  
209//7
210  digitalWrite(pinA,  HIGH);   
211  digitalWrite(pinB, HIGH);   
212  digitalWrite(pinC, HIGH);   
213  digitalWrite(pinD, LOW);   
214  digitalWrite(pinE, LOW);   
215  digitalWrite(pinF,  LOW);   
216  digitalWrite(pinG, LOW);   
217  digitalWrite(pinP, LOW);  
218  delay(500);               // wait for a second
219  
220  digitalWrite(pinA, HIGH);   
221  digitalWrite(pinB, HIGH);   
222  digitalWrite(pinC, HIGH);   
223  digitalWrite(pinD,  LOW);   
224  digitalWrite(pinE, LOW);   
225  digitalWrite(pinF, LOW);   
226  digitalWrite(pinG,  LOW);   
227  digitalWrite(pinP, HIGH);  
228  delay(500);
229    
230//8
231  digitalWrite(pinA,  HIGH);   
232  digitalWrite(pinB, HIGH);   
233  digitalWrite(pinC, HIGH);   
234  digitalWrite(pinD, HIGH);   
235  digitalWrite(pinE, HIGH);   
236  digitalWrite(pinF,  HIGH);   
237  digitalWrite(pinG, HIGH);   
238  digitalWrite(pinP, LOW);  
239  delay(500);               // wait for a second
240  
241  digitalWrite(pinA, HIGH);   
242  digitalWrite(pinB, HIGH);   
243  digitalWrite(pinC, HIGH);   
244  digitalWrite(pinD,  HIGH);   
245  digitalWrite(pinE, HIGH);   
246  digitalWrite(pinF, HIGH);   
247  digitalWrite(pinG, HIGH);   
248  digitalWrite(pinP, HIGH);  
249  delay(500);
250  
251//9
252  digitalWrite(pinA, HIGH);   
253  digitalWrite(pinB, HIGH);   
254  digitalWrite(pinC, HIGH);   
255  digitalWrite(pinD, HIGH);   
256  digitalWrite(pinE,  LOW);   
257  digitalWrite(pinF, HIGH);   
258  digitalWrite(pinG, HIGH);   
259  digitalWrite(pinP, LOW);  
260  delay(500);               // wait for a second
261  
262  digitalWrite(pinA, HIGH);   
263  digitalWrite(pinB, HIGH);   
264  digitalWrite(pinC,  HIGH);   
265  digitalWrite(pinD, HIGH);   
266  digitalWrite(pinE, LOW);   
267  digitalWrite(pinF, HIGH);   
268  digitalWrite(pinG, HIGH);   
269  digitalWrite(pinP,  HIGH);  
270  delay(500);
271
272}