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Amphibionics 06  3/24/03  9:02 AM  Page 226
                      FIGURE 6.41
                      Receiver module
                      inserted into connector          Amphibionics
                      on the main board.
















                                          Putting It All Together

                                          Now that the mechanical, electronics, and electrical systems are
                                          all finished, it is time to integrate them all together into a working
                                          robot. Start by mounting the circuit board to the chassis at the
                                          head of the robot. Attach the robot’s tail section to the chassis with
                                          a 6/32-inch   1/2-inch machine screw and locking nut. Tighten
                                          the nut with enough torque to let the tail swing freely. Plug each
                                          of the connectors into the main controller, as indicated in Figure
                                          6.42.  Note  that  the  motor  power  supply  battery  pack  can’t  be
                                          connected until the top cover has been attached to the chassis.
                                          Place  a  new  AA  battery  into  each  of  the  three  battery  holders
                                          located on the top cover. Figure 6.43 shows the robot with the tail
                                          section attached and all of the connecting wires plugged into the
                                          controller board. Place a 9-volt battery into the battery clip locat-
                                          ed in the tail section. Attach the battery strap to the battery. Feed
                                          the antenna through the hole in the head section, then use three
                                          6/32-inch   1/2-inch machine screws and nuts to attach the top
                                          cover. Plug in the motor power connector before you fasten the
                                          cover in place. Figure 6.44 shows the completed robot with the

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