Komponentlista:

                            1 st  IC 555                                              (1)
                            1 st  Motstånd                  1 Kohm            (2)
                            1 st  Variabelt motstånd    1 Mohm            (3)
                            1 st  Kondensator           10 nF                  (4)
                            1 st  Kondensator         100 nF                  (5)