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50 lines
966 B
50 lines
966 B
3 years ago
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//www.elegoo.com
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//2016.12.12
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/************************
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Exercise the motor using
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the L293D chip
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************************/
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#define ENABLE 5
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#define DIRA 3
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#define DIRB 4
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int i;
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void setup() {
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//---set pin direction
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pinMode(ENABLE,OUTPUT);
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pinMode(DIRA,OUTPUT);
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pinMode(DIRB,OUTPUT);
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Serial.begin(9600);
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}
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void loop() {
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//---back and forth example
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Serial.println("One way, then reverse");
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digitalWrite(ENABLE,HIGH); // enable on
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for (i=0;i<5;i++) {
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digitalWrite(DIRA,HIGH); //one way
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digitalWrite(DIRB,LOW);
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delay(750);
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digitalWrite(DIRA,LOW); //reverse
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digitalWrite(DIRB,HIGH);
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delay(750);
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}
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digitalWrite(ENABLE,LOW); // disable
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delay(3000);
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for (i=0;i<5;i++) {
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digitalWrite(DIRA,HIGH); //one way
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digitalWrite(DIRB,LOW);
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delay(750);
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digitalWrite(DIRA,LOW); //reverse
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digitalWrite(DIRB,HIGH);
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delay(750);
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}
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digitalWrite(ENABLE,LOW); // disable
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delay(3000);
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}
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