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Animated Jack-O-Lantern

Step 11Calibrate the Switch

Calibrate the Switch
The first part of this step is to get a counter weight on the armature so it can function. Once you have that, pull the fishing line the same way the Flexinol would, to judge if the Flexinol has enough strength, based on the gauge you bought, to move the weight on the other end.

To calibrate the switch, tie the front fishing line to the plexiglas switch while the Flexinol is in a relax state.

Next, pull the Flexinol back to where it would be when contracted and tie the back fishing line attached to the switch tight to it.

The purpose of doing this is so that when the Flexinol pulls back, it will only turn off when it reaches the limit, and only turn back on when completely relaxed.

Demo:

The switch does move!
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Author:J_Hodgie
Currently doing masters in Mechatronics Engineering, but still create in my spare time