Hallo!

Vorschlag ist im Code.

MfG
Code:
                 +-------|<------+
                 |               |
                 |               |
                 |    .-----.    |
           >-----+----| LM  |----+---+----+----->
           A     |    | 317 |    |   |    |     A
           |     |    '-----'    |   |    |     |
           |     |       |  ___  |   |    |     |
           |     |       +-|___|-+   |    |+    |
     > 18V |    ---      |  240     ---  ===    | 10-15V
           |    ---     .-.         ---  /-\    |
           |  µ1 |      | |       µ1 |    |     |
           |     |      | |2k        |    |     |
           |     |      '-'          |    |     |
           >-----+-------|-----------+----+----->
                        .-.               |
                        | |              ===
                        | |100           GND
                        '-'
                         |
                         A.
                         |
                    0-5V |
                         o
                         |
                        ===
                        GND