anchor.diff:  %  {300,{1,0,1}},
   %  {300,{1,1,0}},
   %  {300,{1,1,1}}]
  -% 3> grisp_led:flash(2, Rainbow).
  +% 3> grisp_led:pattern(2, Rainbow).
   % ok
   % '''
   %
  
positive.code: %
  % <h5>Examples</h5>
  % ```
  % 1> grisp_led:color(1, red)
  % ok
  % 2> grisp_led:color(2, {0, 1, 0})
  % ok
  % '''
  -spec color(position(), color()) -> ok.
  
negative.code: %
  % <h5>Examples</h5>
  % ```
  % 1> grisp_led:pattern(1, [{300, green}, {500, yellow}, {700, red}, {infinity, off}]).
  % ok
  % 2> Rainbow = [{300, {R, G, B}} || R <- [0,1], G <- [0,1], B <- [0,1], {R, G, B} =/= {0, 0, 0}].
  % [{300,{0,0,1}},
  