Robot Magic

Chapter 5: Spring Snake with Brains

56

slightly “crooked.” That angle will help secure the

movement we need, so the can lid will open with minimal

effort

(Figures

26

and

27

)

.

• Create a 90 degree downward bend at the end of the

latch wire, so that it just clears the in-position servo

horn. After the bend, snip the tail down to ½" (Figure

28

).

• Again, let’s test the movements manually to make sure

everything functions well and moves easily. The goal is

for that servo to move and slide the wire latch across the

lid to release the snake from the can. The action should

be smooth and easy. Gently test the motion by manually

moving the servo arm. Mak ...