 int coilb2 = 9;
 int enable = 10;
 
-int draainaarbeneden = 40;
+int draainaarbeneden = 0;
+int draainaarboven =0;
 int positie = 0;
 
 int maximumRange = 200;                   // Maximum range needed

int reader;
// Generally, you should use "unsigned long" for variables that hold time
// The value will quickly become too large for an int to store
unsigned long previousMillis = 0;        
unsigned long previousMillisStappenmotor = 0;        

const long interval = 20;           
const long intervalStappenmotor = 10;   

#define echoPin 5          // Echo Pin
#define trigPin 4          // Trigger Pin
