3-axis robotic arm or 6-axis robotic arm

  • The difference is: The amount of axis, one has 3 axis, the other one has six of them :winking_face:.

    The consequence is that with the first you only have 3 degrees of freedom (and f. e. you only can control x, y and z), with the other one you have 6 degrees of freedom, and you can control all 6 values for a destination position.

    What you need? : Nobody knows, but you.

    An UI for non existing robot doesn't make sense, in my opinion, and if I where you I would have begun with the robot, not with the UI, the UI is the easier part.

  • In another thread you are asking about the dh parameters.


    There are some robot projects using arduino e.g. here or here (both are 6 axes robots) or already prebuild here


    All examples using 6 rotary axes (standard robot).

    There are also gantry robots (a1,a2, and a3: linear axes; a4, a5 and a6: rotary axis)


    There are also 3 axes machines with a1, a2 and a3 as linear axes (e. g. used as destacker)


    As hermann said:

    choose the type of robot do you want to build.

    Ask your specific questions

  • A good news, I purchased a 6-axis robotic arm and implemented it to grab through a serial screen and arduino uno.


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  • Well done indeed.


    Even though the UNO outputs can deliver the required current for the SG90 servo's, I would recommend using an intermediate driver board just to protect the UNO outputs from overload and damage.

    Especially if you are planning to implement co-ordinated joint motions.


    Thanks for sharing.....:top:

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