By sırma aykut - Mon Mar 12, 2018 1:35 am
- Mon Mar 12, 2018 1:35 am
#14316
I have bought this two "2×15A DC Motor Driver" from DFROBOT. However, I encountered with some problems
https://www.dfrobot.com/product-796.html
I applied the sample code thy gave us and I checked my wiring and battery too and when I click "w-s-a-d-x" on serial monitor, the motor driver's leds are working. However, my motors are not working as visually even move forward, backward etc commands are working as the leds are indicating on the motor driver...
Do you know what might the cause of this ? thank you. I use arduino mega 2560 r3 & UNO and arduino version 1.8.5
I used these for UNO
int E1 = 5; //M1 Speed Control
int E2 = 6; //M2 Speed Control
int M1 = 4; //M1 Direction Control
int M2 = 7; //M1 Direction Control
I used these pins for Mega
int E1 = 45; //M1 Speed Control
int E2 = 46; //M2 Speed Control
int M1 = 44; //M1 Direction Control
int M2 = 3; //M1 Direction Control
This is the sample code thy gave in their website:
https://www.dfrobot.com/product-796.html
I applied the sample code thy gave us and I checked my wiring and battery too and when I click "w-s-a-d-x" on serial monitor, the motor driver's leds are working. However, my motors are not working as visually even move forward, backward etc commands are working as the leds are indicating on the motor driver...
Do you know what might the cause of this ? thank you. I use arduino mega 2560 r3 & UNO and arduino version 1.8.5
I used these for UNO
int E1 = 5; //M1 Speed Control
int E2 = 6; //M2 Speed Control
int M1 = 4; //M1 Direction Control
int M2 = 7; //M1 Direction Control
I used these pins for Mega
int E1 = 45; //M1 Speed Control
int E2 = 46; //M2 Speed Control
int M1 = 44; //M1 Direction Control
int M2 = 3; //M1 Direction Control
This is the sample code thy gave in their website:
Code: Select all
int E1 = 5; //M1 Speed Control
int E2 = 6; //M2 Speed Control
int M1 = 4; //M1 Direction Control
int M2 = 7; //M1 Direction Control
int counter=0;
void stop(void) //Stop
{
digitalWrite(E1,0);
digitalWrite(M1,LOW);
digitalWrite(E2,0);
digitalWrite(M2,LOW);
}
void advance(char a,char b) //Move forward
{
analogWrite (E1,a); //PWM Speed Control
digitalWrite(M1,HIGH);
analogWrite (E2,b);
digitalWrite(M2,HIGH);
}
void back_off (char a,char b) //Move backward
{
analogWrite (E1,a);
digitalWrite(M1,LOW);
analogWrite (E2,b);
digitalWrite(M2,LOW);
}
void turn_L (char a,char b) //Turn Left
{
analogWrite (E1,a);
digitalWrite(M1,LOW);
analogWrite (E2,b);
digitalWrite(M2,HIGH);
}
void turn_R (char a,char b) //Turn Right
{
analogWrite (E1,a);
digitalWrite(M1,HIGH);
analogWrite (E2,b);
digitalWrite(M2,LOW);
}
void current_sense() // current sense and diagnosis
{
int val1=digitalRead(2);
int val2=digitalRead(3);
if(val1==HIGH || val2==HIGH){
counter++;
if(counter==3){
counter=0;
Serial.println("Warning");
}
}
}
void setup(void)
{
int i;
for(i=4;i<=7;i++)
pinMode(i, OUTPUT);
Serial.begin(19200); //Set Baud Rate
Serial.println("Run keyboard control");
digitalWrite(E1,LOW);
digitalWrite(E2,LOW);
pinMode(2,INPUT);
pinMode(3,INPUT);
}
void loop(void)
{
/*
static unsigned long timePoint = 0; // current sense and diagnosis,if you want to use this
if(millis() - timePoint > 1000){ //function,please show it & don't forget to connect the IS pins to Arduino
current_sense();
timePoint = millis();
}
*/
if(Serial.available()){
char val = Serial.read();
if(val != -1)
{
switch(val)
{
case 'w'://Move Forward
advance (255,255); //move forward in max speed
break;
case 's'://Move Backward
back_off (255,255); //move back in max speed
break;
case 'a'://Turn Left
turn_L (100,100);
break;
case 'd'://Turn Right
turn_R (100,100);
break;
case 'z':
Serial.println("Hello");
break;
case 'x':
stop();
break;
}
}
else stop();
}
}