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CAT Excavator Arm + Wooden Base by plainman98

CAT Excavator Arm + Wooden Base by plainman98

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Last crawled date: 3 years ago

Originally wanted the arm for the TOM Tri-track, but decided to make a stand-alone robotic arm / excavator for my 7 yr old son. This is the result. Electronics: Cypress Psoc 1 CY8C29466 3210 kit under the hood. A serial ttl connection to the psoc made adding a bluetooth HC-06 simple for pairing with an android phone as a remote control. A 2 axis joystick controls swivel and boom operation, while a single stick moves the arm and single stick operates the bucket. This design was not well fitted due to inexperience and many reinforcing screws were added, but functioned as desired and it worked on Christmas Day as intended. Moving forward, I would change the servo in the wooden base for a geared stepper motor like a nema 17 or 22 for swivel movement. The boom servo on top of the swivel has trouble because of the weight of the arm. I would probably put a worm drive on that with a stepper instead of the servo. Great learning experience for me. Sorry the files are somewhat incomplete. This may qualify as a hacked version rather than a straight remix.

Tags

arm plainman98 cat wooden excavator base

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