KAUDA is a low-cost, highly-efficient robotic arm


KAUDA is a low-cost, highly-efficient robotic arm

Arduino TeamSeptember 16th, 2020

Would you like your own industrial robot arm, but don’t have tens of thousands of dollars to spend? You could instead build Giovanni Lerda’s KAUDA, a five-axis device that uses under 800g of PLA, an Arduino Mega, and other off-the-shelf parts.

KAUDA utilizes servos to actuate the two wrist joints, along with a NEMA 17 motor for the elbow. A single stepper rotates the base in the horizontal direction, while dual steppers provide lifting force at this joint.

The gripper is a three-fingered linkage assembly, controlled by a small DC motor. The arm’s construction is outlined on its official website, and instructions can be found in Lerda’s write-up here. As seen in the video below, KAUDA looks great and appears to work quite well!

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