Expected primary-expression before ',' token

Projects Programming
1

int E1 = 10;
int M1 = 12;
int E2 = 11;
int M2 = 13;

void setup ()
{
pinMode (M1, OUTPUT);
pinMode (M2, OUTPUT);
}

void loop ()
{
{int value;
for (value = 0; value <= 255; value + = 5)
{
digitalWrite (M1, HIGH);
digitalWrite (M2, HIGH);
analogWrite (E1, value); // PWM speed control
analogWrite (E2, value); // PWM speed control
delay (30);
}
delay (1000);}
{int value;
for (value = 0; value <= 255; value + = 5;)
{
digitalWrite (M1, LOW);
digitalWrite (M2, LOW);
analogWrite (E1, value); // PWM speed control
analogWrite (E2, value); // PWM speed control
delay (30);
}
delay (1000);}
}

2

sugengmp:
...
...

It's '+=', not '+ ='; get rid of the space. You also have an additional semi-colon in one of the for-loops.

Please read the sticky 'how to use this forum', specifically point #7 about using code tags when posting code.