14
TIP
You can use a little putty to weigh the
end of the feeler. This will help you fine
tune and stabilize the piano wire.
21
.
16
.
(A) Grab the piano wire and pierce it
through one of the holes, aligning it with the
center of the paperclip’s loop. The piano wire
must go through the center of loop.
17
.
Using pliers, bend 3/4” of the piano
wire 90º.
18
.
It should look similar to the photo
above.
19
.
Using the other half of the foam, sand-
wich both the piano wire and paperclip in
between the two pieces of foam.
20
.
The piano wire should be suspended in
the center of the loop. Make sure that it’s not
touching the loop.
22
.
(A) Cut two 24” lengths of wire. (B) Strip
1/2” off of one end of each wire. (C) Trim back
the leads to 1/4” in length. (D) Wrap the wires
around each lead and solder. (E) Cut two
pieces of shrink tubing just long enough to
shield the metal on each lead. (F) Shrink the
tubing until snug. (G) Strip an 1/8” off of the
opposite end of each wire. (H) Slip the wires
into the pin header and solder them in place.
23
.
Your final assembly should look similar
to the one pictured above. Notice that the
piano wire is suspended in the center of the
loop and is NOT touching the loop.
NOTE: THE FEELER ACTS AS A BUMP SWITCH. WHEN
THE BLUBBER BOT ENCOUNTERS AN OBSTACLE, THE
PIANO WIRE AND THE LOOP TOUCH CAUSING THE
BLUBBER BOT TO REVERSE AND MOVE IN THE OP-
POSITE DIRECTION.
Содержание Transitional Species Blubber Bot
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