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Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

5 Degree of Freedom Arm

by mechamithrandir, published

5 Degree of Freedom Arm by mechamithrandir Oct 31, 2012

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Description

5 Degree of Freedom Arm

This project is intended on being an educational project so kids can learn about robotics. Originally I intended on having it controlled by servos and a microcontroller but realized that may have been a bit complex for the age group I was designing it for. After this project, I may expand on it to aim it at a more advanced group.

Recent Comments

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This looks like an excellent project! Have you been able to take it to the level of a CNC mill?
 Hi, I'm working on uploading all the details as well as improving it at the same time. Unfortunately power and internet have been knocked out for me by Hurricane Sandy so it'll take a while but I'll upload the information as soon as possible. In the meantime, I've posted a link to the motors I used. I originally intended on using a microprocessor so it can eventually be automated but I also wanted junior high school students to easily learn and assemble this robot arm so its purely switches, wires, batteries and motors for now. I might have a advanced model uploaded in the future where it can be used as a introduction to inverse kinematics model.
neat! what are you doing for the electronics on this project? What microprocessor, drivers, and motors?  

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Instructions

Very basic 5 DoF Arm. Still in progress.

Current version 0.3 as of 11/1/12

The motors are purchased from http://www.pololu.com/catalog/product/180

I might get more powerful motors or servos as one of the motors cannot support the entire weight of the arm so whenever power is cut, it will drop to its local equilibrium point.

I used these switches https://www.sparkfun.com/products/10545 Pushing up would turn the motor clockwise, pushing down would turn the motor counterclockwise

I included one of these switches just for fun. Everybody loves missile switches!

This looks like an excellent project! Have you been able to take it to the level of a CNC mill?
neat! what are you doing for the electronics on this project? What microprocessor, drivers, and motors?  
 Hi, I'm working on uploading all the details as well as improving it at the same time. Unfortunately power and internet have been knocked out for me by Hurricane Sandy so it'll take a while but I'll upload the information as soon as possible. In the meantime, I've posted a link to the motors I used. I originally intended on using a microprocessor so it can eventually be automated but I also wanted junior high school students to easily learn and assemble this robot arm so its purely switches, wires, batteries and motors for now. I might have a advanced model uploaded in the future where it can be used as a introduction to inverse kinematics model.
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