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====== UML State Machine ======
/*
{{https://upload.wikimedia.org/wikipedia/en/4/45/UML_state_machine_Fig1.png?600}}
*/
{{:rtes:topics:arduino:uml_state_machine_v002.png?direct&600|}}

Source: https://en.wikipedia.org/wiki/UML_state_machine

Additional Information: 
  * :!: https://en.wikipedia.org/wiki/UML_state_machine
  * Finite State Machine: https://en.wikipedia.org/wiki/Finite-state_machine
  * State Diagram: https://en.wikipedia.org/wiki/State_diagram

{{https://upload.wikimedia.org/wikipedia/commons/2/20/UML_state_machine_Fig5.png?600}}


===== Presentation =====

  * 

===== Youtube =====

  * Dũng Trần Đăng: [[https://www.youtube.com/watch?v=A_W8scZTM9Y&t=398s|Building a State Machine to Multitask with Arduino!]]
  * ItKindaWorks: [[https://www.youtube.com/watch?v=zhWV_D_9OCY|How to multi-task on an Arduino]]

===== Exercise =====

==== 1. Bank Safe ====

=== Step ===

Connect a potentiometer to A0. Use the function //valRange = map(...)// to map the raw potentiometer values to the integer numbers 0..9 . The variable //varRange// can acquire these 10 different values.

Print the current value of //valRange// to the terminal, but only, if the value changes.