Hi I am new to building robots I am making a bluetooth controlled robot using l298n and HC-05. It failed to work and I narrowed down the issue to the L298N.
I used this video to check if my motor driver was working: https://www.youtube.com/watch?v=E2sTbpFsvXI
This is the code:
int motor1pin1 = 2;
int motor1pin2 = 3;
int motor2pin1 = 4;
int motor2pin2 = 5;
void setup() {
// put your setup code here, to run once:
pinMode(motor1pin1, OUTPUT);
pinMode(motor1pin2, OUTPUT);
pinMode(motor2pin1, OUTPUT);
pinMode(motor2pin2, OUTPUT);
}
void loop() {
// put your main code here, to run repeatedly:
digitalWrite(motor1pin1, HIGH);
digitalWrite(motor1pin2, LOW);
digitalWrite(motor2pin1, HIGH);
digitalWrite(motor2pin2, LOW);
delay(1000);
digitalWrite(motor1pin1, LOW);
digitalWrite(motor1pin2, HIGH);
digitalWrite(motor2pin1, LOW);
digitalWrite(motor2pin2, HIGH);
delay(1000);
}
Only one motor was spinning and that too only for a few seconds before it stopped working.The motor only works when i plug in both the battery and then the arduino to the laptop. Im using a 9v battery. Please advise on what to do next.
Congratulations for using code format in your very first post.
This use to be the first issue. 9V batteries are not a good choice because they can't provide enough current and get drained very fast. Change it for a 6x AA battery pack or a 2x 18650.
Posting the schematics of your project also helps.
I can't see "something else wrong" without the schematics. It seems to me that it is only a power issue.
Your code from post #1 is a simple test for turning the motors back and forth for 1 sec and I don't see anything wrong with it.
