Hallo Wörsty!

Ich habe eine Idee:
Code:
                                               VCC
                                                +
                                                |
                                 +--------------+
                                 |              |        30-700
                                 |             .-.        Ohm
                                 |           R3| |  T +-------->
     VCC                        .-.            | |    |
      +                      R1 | |            '-' ||-+
      |                         | |             |  ||->
     .-.        30-700          '-'  R2   Opto  +--||-+
   R1| |         Ohm             |  ___  .------|-    |
     | |   T  +------->          +-|___|--+     | |  ===
     '-'      |                  |       ||   |/  |  GND
      |    ||-+              Dz  z       |V > |   |
     .-.   ||<-                  A       |-   |>  |
   P | |<--||-+                  |       ||     | |
     | |      |                  |       '|-----|-'
     '-'     ===                .-.       |     |
      |      GND             Rg | |      ===   ===
     .-.                        | |      GND   GND
     | |Rg                 0-90 '-'
     | |                    Ohm  |
     '-'0-90 Ohm                ===
      |                         GND
     ===
     GND
MfG