-      +7,4V
           ----------|-----------------------------
                     |         .-.                 -
                     |         | |
                     |         | |10k
                     |         '-'
                      >|  1k__  |
                   PNP |--|___|-|
                      /|        |
                     |           \|   1k_
                     |        NPN |--|___|-
                    .-.          <|
                    | |         o
                    | |         |
                    '-'         |
                     |          |
                     |          |
                     V ->       |
                     -          |
                     |          |
                     |          |
            150_   |/           |
           -|___|--|            |
                   |>           |
                     |          |          GND
         o-----------oo---------o----------------o





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