Robotic Arm 5 DOF (Full Kit With Motor)

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Robotic Arm 5 DOF (Full Kit With Motor)

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Using  3D Printer,  printed all of the parts for the Arduino robot arm.

I had all of the parts for the Arduino Robot Arm ready in just several hours.

Assembling the Robot Arm

Ok, so at this point we are ready to assemble the robot arm. I started with the base on which I attached the first servo motor using the screws included in its package. Then on the output shaft of the servo I secured a round horn a bolt.

And on top of it I placed the upper part and secured it using two screws.

Arduino Robot Arm Base Assembly

Here again first goes servo, then the round horn onto the next part, and then they are secured to each other using the bolt on the output shaft.

We can notice here that at the shoulder axis it is good idea to include some kind of spring or in my case I used a rubber band to give some help to the servo because this servo carries the whole weight of the rest of the arm as well as the payload.

In similar way I continued to assemble the rest of the robot arm. As for the gripper mechanism I used some 4 millimeters bolts and nuts to assembly it.


3D Printer Robot Arm

Finally I attached the gripper mechanism onto the last servo and the Arduino robot arm was completed.

Arduino Robotic Arm - 3D Printed

Arduino Robot Arm Circuit Diagram

The next stage is connecting the electronics. The circuit diagram of this project is actually quite simple. We just need an Arduino board and a HC-05 Bluetooth module for communication with the smartphone. The control pins of the six servo motors are connected to six digital pins of the Arduino board.

Arduino Robot Arm Schematic Circuit Diagram

For powering the servos we need 5V, but this must come from an external power source because the Arduino is not able to handle the amount of current that all of them can draw. The power source must be able to handle at least 2A of current. So once we have connected everything together we can move on to programing the Arduino and make the Android app.



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