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Mechanical Gripper for Robot Arm with MG996R Servo

Mechanical Gripper for Robot Arm with MG996R Servo


Components Required:

  1. DIY Kit
  2. Arduino Uno
  3. Jumpers

Software Required:

  1. Arduino IDE

In this tutorial, we will learn how to make a mechanical claw for your robotic arm. We are using the MG99R metal servo, to control the claw, which is perfect for handling rigorous tasks. Weighing only 60 grams, and providing a maximum angular spacing of 50mm (5cm), this can be used for a wide variety of applications.

Step wise Assembly:

Upload and Run the Code

Connect the Arduino to the computer using the USB Cable.

Open Arduino IDE software

Select the appropriate board under Tools > Board

Select the appropriate Serial Port under Tools > Port


Here is an example code that you can upload. It will open and close the claw periodically after 1 second. Calibrate the open and close angles of the mechanical claw by changing the appropriate angles in OpenClaw() and CloseClaw() functions.


Author: Nakul Garg


  • Hi, is a CAD model for this gripper available? I’d really appreciate it if you could provide me with a .STEP file of the same. Thank you.

    - Y
  • this iis gay go frick ur mommy

    - Beta man

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