Project tutorial
Robot Gripper

Robot Gripper © Apache-2.0

solid plastic servo operated robot gripper.

  • 13,198 views
  • 7 comments
  • 35 respects

Components and supplies

8mm plastic sheet
×1
4mm plastic sheet
×1
Servos (Tower Pro MG996R)
×1
10K potentiometer
×1
A000066 iso both
Arduino UNO & Genuino UNO
×1
bolts and nuts
×1

Necessary tools and machines

CNC machine

About this project



This project is about DYI making of robot griper which is widely needed in robotics projects.

It is made from clear solid plastic and operated by hobbyist  servo and Arduino.

 




Code

Servo knobC/C++
servo knob sketch from arduino IDE examples
/* 
 Controlling a servo position using a potentiometer (variable resistor) 
 by Michal Rinott <http://people.interaction-ivrea.it/m.rinott> 

 modified on 8 Nov 2013
 by Scott Fitzgerald
 http://arduino.cc/en/Tutorial/Knob
*/

#include <Servo.h>

Servo myservo;  // create servo object to control a servo

int potpin = 0;  // analog pin used to connect the potentiometer
int val;    // variable to read the value from the analog pin

void setup()
{
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object
}

void loop() 
{ 
  val = analogRead(potpin);            // reads the value of the potentiometer (value between 0 and 1023) 
  val = map(val, 0, 1023, 0, 180);     // scale it to use it with the servo (value between 0 and 180) 
  myservo.write(val);                  // sets the servo position according to the scaled value 
  delay(15);                           // waits for the servo to get there 
} 

Custom parts and enclosures

8mm griper fingurs
8mm.DXF
4mm griper body
4mm.DXF

Schematics

servo knob
ordinary servo knob configuration
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Comments

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