Created
April 21, 2017 14:03
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Arduino seven segment control
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| const int latchPin = 12;//Pin connected to ST_CP of 74HC595 | |
| const int clockPin = 8;//Pin connected to SH_CP of 74HC595 | |
| const int dataPin = 11; //Pin connected to DS of 74HC595 | |
| //display 0,1,2,3,4,5,6,7,8,9,A,b,C,d,E,F | |
| int datArray[16] = {252, 96, 218, 242, 102, 182, 190, 224, 254, 246, 238, 62, 156, 122, 158, 142}; | |
| void setup () | |
| { | |
| //set pins to output | |
| pinMode(latchPin,OUTPUT); | |
| pinMode(clockPin,OUTPUT); | |
| pinMode(dataPin,OUTPUT); | |
| } | |
| void loop() | |
| { | |
| //loop from 0 to 256 | |
| for(int num = 0; num < 16; num++) | |
| { | |
| digitalWrite(latchPin,LOW); //ground latchPin and hold low for as long as you are transmitting | |
| shiftOut(dataPin,clockPin,MSBFIRST,datArray[num]); | |
| //return the latch pin high to signal chip that it | |
| //no longer needs to listen for information | |
| digitalWrite(latchPin,HIGH); //pull the latchPin to save the data | |
| delay(1000); //wait for a second | |
| } | |
| } |
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