Optimized code.

Optimized code. Remove some redundant code.

Code/C_Code/13.1.1_Motor/Motor.c

@@ -43,7 +43,7 @@ void motor(int ADC){
 		digitalWrite(motorPin2,LOW);
 		printf("Motor Stop...\n");
 	}
-	softPwmWrite(enablePin,map(abs(value),0,128,0,255));
+	softPwmWrite(enablePin,map(abs(value),0,128,0,100));
 	printf("The PWM duty cycle is %d%%\n",abs(value)*100/127);//print the PMW duty cycle
 }
 int main(void){

Code/Python_Code/03.1.1_LightWater/LightWater.py

@@ -23,7 +23,7 @@ def loop():
 			GPIO.output(pin, GPIO.LOW)	
 			time.sleep(0.1)
 			GPIO.output(pin, GPIO.HIGH)
-		for pin in ledPins[10:0:-1]:		#make led on from right to left
+		for pin in ledPins[::-1]:		#make led on from right to left
 			GPIO.output(pin, GPIO.LOW)	
 			time.sleep(0.1)
 			GPIO.output(pin, GPIO.HIGH)

Code/Python_Code/24.1.1_UltrasonicRanging/UltrasonicRanging.py

@@ -40,7 +40,6 @@ def setup():
     GPIO.setup(echoPin, GPIO.IN)    #
 
 def loop():
-    GPIO.setup(11,GPIO.IN)
     while(True):
         distance = getSonar()
         print ("The distance is : %.2f cm"%(distance))