RandomSeed

Name
randomSeed - Seed for the pseudo-random generator

Description
randomSeed sets its argument as the seed for the sequence of pseudo-random integers returned by rand. A fixed seed repeatably produce the same pseudo-random sequence.

randomSeed should be called with an value based on an external event if you need a different sequence for each run. See the millis function.

Syntax
randomSeed(seed);
 * seed: Seed as an unsigned int
 * Output: None