Page 77 - Robots Androids and Animatrons : 12 Incredible Projects You Can Build
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+         SW1          SW2   +         SW1          SW2
                                                                           +      –
                                                 m              –             m
                                             SW3          SW4             SW3          SW4



                                             (a)                          (b)




                                                                          SW1          SW2

                                                                +
                                                                            –      +
                                                                  –           m
                                     H-Bridge Function                                 SW4
                                                                          SW3


                                                                          (c)
                                     4.16 H-bridge using switches
           56
                                                    Vcc                    Vcc

                                                   T1                        T2








                                                              m





                                                   T3                        T4











                                     4.17 H-bridge using transistors
                                                       Team LRN
            Chapter four
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