Belgium
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How To Set 3 Servo'S

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I have constructed a neck mechanism for the PIB robot and would like to control all three servos using a single Movement Panel in Synthiam ARC. Could you guide me on how to configure the settings for this setup? Each leg of the neck mechanism has a servo attached, and the goal is to enable the head to move in all directions.

Here are the images of my setup for reference:

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Related Hardware EZ-B v4
Related Control Auto Position Movement Panel (Gait)

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PRO
Canada
#9  

Certainly! What DJ_Sures is suggesting is a method to synchronize the movement of multiple servos by connecting them to a single digital port on the EZ-B v4. Here's how you can achieve this:

Steps to Connect Multiple Servos to a Single Port

  1. Connect Signal Wires Together:

    • Take the signal wires (usually the yellow or white wire) from each of the three servos and connect them together.
    • Connect this combined signal wire to a single digital port on the EZ-B v4.

  2. Power and Ground:

    • Ensure that each servo is powered correctly. You can connect the power (red wire) and ground (black wire) of each servo to a suitable power source. Make sure the power source can handle the current draw of all three servos.

  3. Configure in ARC:

    • In ARC, you only need to configure one servo control for the digital port you connected the signal wires to.
    • When you send a command to this port, all three servos will receive the same signal and move in unison.

Considerations

  • Servo Type and Load:

    • Ensure that all servos are of the same type and brand to avoid discrepancies in movement.
    • Make sure the mechanical setup allows for synchronized movement without binding or excessive load on any servo.

  • Testing:

    • Test the setup with small movements to ensure everything is working as expected before proceeding with full-range movements.

By connecting the servos in this manner, you can achieve synchronized movement without needing to send separate commands to each servo. This setup is particularly useful for applications where identical movement is required, such as in your neck mechanism for the PIB robot. If you have any further questions or need additional assistance, feel free to ask!


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PRO
Belgium
#10  

@dj

im thinking to use 3 way splitter ..

PRO
Synthiam
#11  

Ah that’s the smartest and easiest way:)

#12  

@Nomad, when you locate that splitter I'd love to see what you are looking at. Please post a picture and link if you can.

PRO
Synthiam
#13  

like this...

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find them on amazon or wherever by searching "servo splitter cable"

#14  

HAHA!:p I feel kinda dumb now. I've actually made a bunch of these. So simple, so cleaver. I was thinking Nomad found some cool device or board that this this job. Thanks @DJ!

PRO
Belgium
#15  

@dj@dave

yes that was what im thinking .

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