Changing Home On A Dobot Magician

Question:

The Home position on my dobot Magician makes the robot hit the table. Is there an easy way to change what the robot calls the home position?

Answer:

Of course you can! Here is how. Go to Teach and Playback and physically move the Dobot Magician arm where you want the new home position to be. Then hit the “+point” button for the position to populate into the interface. The right click on your position and click “setHOME”. This new position will now be the home position of the robot

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Dipping with the Dobot Magician

Pick and place and moving things around are staples of industrial robots.  Another reason to use robots in industry and automation is because of danger to humans. Robots can work in environments that are adverse to humans; especially toxic and/or adverse environments.

Sometimes the best way to pick up an object is with a suction cup or vacuum gripper.  This works especially well with very small objects as well as large, and provides a cheaper alternative to a mechanical gripper.

In this activity, you will perform a chemical dipping operation with a robot arm using the air pump kit and a vacuum gripper.
  • Go home
  • Pick up the cylinder from the pallet
  • Dip it in Tank 1 for 2 seconds
  • Move the object and dip it in Tank 2 for 2 seconds
  • Move the object and dip it in Tank 3 for 2 seconds
  • Move the part back to the pallet.
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How do I make my Dobot Magician talk to a VEX Cortex?

Question:

How do I make my Dobot Magician talk to a VEX Cortex?

Answer:

It’s called handshaking and it is probably one of the more difficult tasks when working with robots and machines. We use an optical isolator so as not to damage any of the equipment with incompatible voltages, so be sure to see the website for the wiring diagrams. Watch this four minute video to see how it’s done!

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Jim Hanson

Chris Hurd

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