We have covered plenty of fun Arduino projects here in the past. This Arduino controlled knife-wielding tentacle is one of the craziest ones yet. The developer used an Arduino, a littleBits Proto module, a servo motor, and a tentacle to complete this project. The Arduino controls the servo motor. BlinkWithoutDelay is the program used in this project.
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The 'knife-wielding tentacle' Build. Full version
The above video shows this knife-wielding tentacle in action. Turning it off doesn’t look easy though.
[H/T: Robotic Gizmos]
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