Arduino
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Projectes
Comptador
Per a fer aquest comptador utlitzem un Display BCD i un xip cd4511be
Si tenim en compte que el xip decodificador té aquestes entrades:
i el display aquestes:
Les connexions quedaran:
cd4511be |
A |
B |
C |
D |
Vdd, LT, BL |
VSS, LE |
void setup() { for (int i=2;i<6;i++){ pinMode(i,OUTPUT); } } void loop() { digitalWrite(2,0); digitalWrite(3,0); digitalWrite(4,0); digitalWrite(5,0); delay(1000); digitalWrite(2,1); digitalWrite(3,0); digitalWrite(4,0); digitalWrite(5,0); delay(1000); digitalWrite(2,0); digitalWrite(3,1); digitalWrite(4,0); digitalWrite(5,0); delay(1000); digitalWrite(2,1); digitalWrite(3,1); digitalWrite(4,0); digitalWrite(5,0); delay(1000); digitalWrite(2,0); digitalWrite(3,0); digitalWrite(4,1); digitalWrite(5,0); delay(1000); digitalWrite(2,1); digitalWrite(3,0); digitalWrite(4,1); digitalWrite(5,0); delay(1000); digitalWrite(2,0); digitalWrite(3,1); digitalWrite(4,1); digitalWrite(5,0); delay(1000); digitalWrite(2,1); digitalWrite(3,1); digitalWrite(4,1); digitalWrite(5,0); delay(1000); digitalWrite(2,0); digitalWrite(3,0); digitalWrite(4,0); digitalWrite(5,1); delay(1000); digitalWrite(2,1); digitalWrite(3,0); digitalWrite(4,0); digitalWrite(5,1); delay(1000); }
Enllaços
http://learn.adafruit.com/all-about-leds?view=all http://www.sentex.ca/~mec1995/tutorial/7seg/7seg.html