 const int red_min = 11;
 
 
+
 void vertical_bar(int x, int w, int value) {
   w--;
   if (value == 0) {

   // plot(x, y, color); put a certain pixel on (BLACK = OFF)
   // plot_rect(x_left_upper, y_left_upper, x_right_down, y_right_down, color); // fill a rectangle
   // vertical_bar(x_position, width, height); colored bard vertically (Orange - green - red)
   // plot_char('A', x, y, color); // charachters should be uppercase! x, y = upper left corner
   // plot_int( number_to_display, x, y, number_of_chars, color); if to little space to display: drops higher numbers
  int i = 1010;
  plot_int(i,0, 0, 3, GREEN);

  delay(10000);





 
}






int plot_int(int i, int x, int y, byte number_of_chars, int color){
  if(number_of_chars == 0){
    return 0;
  }
  int last = i % 10;
  byte x_offs = (number_of_chars-1) * 5;
