Script to handle a servo via button-press on arduino-controllers: usage-example: youtube.com/watch?v=ghyxaQc5-Xg

bullshit-servo.c

#include <Servo.h> 
 
Servo myservo;  
int pos = 0;
int btn = 13;
int maxAngle = 180;
int minAngle = 40;
int speed = 5;
 
void setup() 
{ 
  pinMode(btn, INPUT);
  myservo.attach(7);
  myservo.write(maxAngle);
} 
 
 
void loop() 
{ 
  if(digitalRead(btn)){
   handleServo(); 
  }
} 

void handleServo(){
  if(pos <= minAngle){    
    for(pos = minAngle; pos < maxAngle; pos += 1){
      myservo.write(pos); 
      delay(speed);
    } 
  }else{
    for(pos = maxAngle; pos>=minAngle; pos-=1){                                
      myservo.write(pos);              
      delay(speed);
    }
  }
}