There are two parameters that can be used to alter the size of the LED
These two parameters are given in the constructor which has the
as can be seen from the above signature the default size is 2 pixels in
size and a fraction of 0.6 as the distance.
- The size (in pixels) of each "led diode"
- The distance, specified as fractions of the "led diode" size
between each "led diode"