5V -------+
          |
          -
         | |             +----------+
         | |             |          |
          -    ____      |          |
          |---|____|-----|   uC     |
         /               |          |
       |/                |          |
     --|                 |          |
       |\                |          |
        _\|              |          |
          |              +----------+
          |
+V--------+