Purpose of this tutorial:
In this tutorial we will order a DC motor by the Arduino board in both directions:
- the DC motor rotates in a direct direction for 3 seconds.
- Then it rotates in an indirect direction for 3 seconds.
- Finally It stops for 1 second and we start step 1.
Necessary components
- Arduino UNO
- DC Motor
- SN754410 motor controller
- 4 batteries of 1.5V
- Connecting wires
- Test plate
Mounting
Program
Here is the program that allows to control a DC motor by the Arduino.
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// Constants const int enableBridge1 = 2; const int MotorForward1 = 3; const int MotorReverse1 = 5; // Variables int Power = 80; //Motor velocity between 0 and 255 void setup(){ pinMode(MotorForward1,OUTPUT); pinMode(MotorReverse1,OUTPUT); pinMode(enableBridge1,OUTPUT); } void loop(){ digitalWrite(enableBridge1,HIGH); // Active pont en H // Rotates in a direct direction for 3 seconds analogWrite(MotorForward1,Power); analogWrite(MotorReverse1,0); delay(3000); // Rotates in reverse direction for 3 seconds analogWrite(MotorForward1,0); analogWrite(MotorReverse1,Power); delay(3000); //Stops the DC motor for 1 second analogWrite(MotorForward1,0); analogWrite(MotorReverse1,0); digitalWrite(enableBridge1,LOW); delay(1000); } |
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