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243_MasterPieces_04a.qxd  4/18/03  7:06 PM  Page 185





                                                                               PneumADDic II • Masterpiece 4   185
                           Potentiometer Brick Step 1

                                      Modify a second electrical plate, by
                                      removing the plastic on the electrical
                                      stud, and cutting access for a wire
                                      near the other stud as shown.





                                                                  Solder the second leg of
                                                                  the potentiometer to the
                                                                  exposed electrical stud.





                     WARNING
                         A soldering pen is extremely hot. Please take care not to burn yourself.







                          Potentiometer Brick Step 2

                                                 Bend the two white electrical plates apart so you can
                                                 solder one end of an electric wire to the underside of
                                                 the stud on the bottom electric plate in this picture.



                          Potentiometer Brick Step 3

                                        Insert the 2x2 plate in between the two electric plates. You may
                                        have to cut away part of the 2x2 plate to make the three plate
                                        combination fit together snugly.
                                            When things fit snugly, secure the three plates together
                                        using the glue.
                                            Solder the other end of the wire to the underside of the
                                        stud in the top electric plate in this picture.


                           Potentiometer Brick Step 4


                                                      Glue these last two 1x2 plates together to
                                                      complete the 2x2 electric potentiometer brick.
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