Cut off power when not used

bench_motor.ino

@@ -72,6 +72,8 @@ struct motor bench_motor = {33, 35, 31, motorHigh, {2, 0, 4, 0}, false};
 int forward[4] = {HIGH, HIGH, HIGH, LOW};
 // backward move
 int backward[4] = {LOW, HIGH, HIGH, LOW};
+// freeMotor
+int freeMotor[4] = {LOW, LOW, LOW, LOW};
 
 // move_motor is used to move motor forward or backward
 // arg motor: motor to activate is passed a parameter
@@ -146,6 +148,7 @@ void move_using_joystick()
 //     bench_motor.pups.home.state = digitalRead(bench_motor.pups.home.pin);
     cmd.joystick_x.state = analogRead(cmd.joystick_x.pin);
   }
+  move_motor(bench_motor, freeMotor);
 }
 // setup_motors assign all pin to output and input for motors
 void setup_motors()