Page 70 - Robots Androids and Animatrons : 12 Incredible Projects You Can Build
P. 70

15  13  12
                                                       1      3  6  8
                                                     7                      9
                                                     2                      45
                                                         11        14
                                            Vcc    U2                        Direction
                                                             Vcc           SW2


                                                                                                            49




                                                    U1
                                                 Vcc     3                          U1  555  Timer  U2  UCN 5804
                                                     48        1
                                                       7  6  2             SW1  Speed  Fast/Slow


                                                        100  K
                                                                   .47   F  .02   F       Stepper motor


                                                      47K                           Vcc= 12 VDC

                                              Vcc     47K                                 4.8B












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