Blink light and stop by sending command to Serial

[red_car]

@StefanL38

there are almost no explaining comments.

Your point has nothing to do with the OP.

@StefanL38

The code has no boundary-checking of the array newCommand.

True (although unlikely given the command set being used), it's a simple example in response to the OP. Your point has nothing to do with the OP.

@StefanL38

could lead to eat up all RAM-memory

Very unlikely is this case. Your point has nothing to do with the OP (where a String is also used)

@StefanL38

using variable-type float for millis()

Yep... that's a typo... but again your post has nothing to do with the OP.

So thanks for the critique... but how about looking at your own comments for perfection first:

@StefanL38

This requires quit some learning

@StefanL38

requieres on big loop

@StefanL38

So one part is learing what is a function