Showing posts with label 7bot. Show all posts
Showing posts with label 7bot. Show all posts

Monday, 16 May 2016

First Try with 7bot Robot Arm

In a previous post (http://robotsandphysicalcomputing.blogspot.co.uk/2016/05/playing-7bot-robot-arm.html) I discussed starting to set up the 7bot robot arm (https://www.kickstarter.com/projects/1128055363/7bot-a-powerful-desktop-robot-arm-for-future-inven) . I have still to set up the gripper.

This post document my first tentative steps with playing with it. The code below was used to try and get my head around the positioning of the arm - which servo does what (a good guide for this has been provide by the company online) and what the changing angle on the servos actual does. Essentially the code puts the arm in a starting position and varies the angles from there in usually in 15 or 30 degree increments over seven positions.

#include <Servo.h>
#include <DueFlashStorage.h>
#include <Arm7Bot.h>
Arm7Bot Arm;
void setup() {
  // initial 7Bot Arm
  Arm.initialMove();
}

void loop() {
  // set motor[0] speed to 100
  Arm.maxSpeed[0] = 30;
    double angles_0[SERVO_NUM] =  {0, 100, 90, 0, 90, 90, 75};
  Arm.move(angles_0);
  // Move to pose 1
  double angles_1[SERVO_NUM] =  {0, 100, 0, 0, 90, 90, 75};
  Arm.move(angles_1);
  // Move to pose 2
  double angles_2[SERVO_NUM] =  {30, 110, 15, 0, 90, 90, 75};
  Arm.move(angles_2);
  // Move to pose 3
  double angles_3[SERVO_NUM] =  {60, 120, 30, 0, 90, 90, 75};
  Arm.move(angles_3);
  // Move to pose 4
  double angles_4[SERVO_NUM] =  {90, 130, 45, 0, 90, 90, 75};
  Arm.move(angles_4);
   // Move to pose 5
  double angles_5[SERVO_NUM] =  {120, 140, 60, 0, 90, 90, 75};
  Arm.move(angles_5);
  // Move to pose 6
  double angles_6[SERVO_NUM] =  {150, 150, 75, 0, 90, 90, 75};
  Arm.move(angles_6);
  
}   

Video below shows the routine in action.



All opinions in this blog are the Author's and should not in any way be seen as reflecting the views of any organisation the Author has any association with.

Wednesday, 4 May 2016

Playing with 7bot robot arm

The 7bot is a recent kickstarter project https://www.kickstarter.com/projects/1128055363/7bot-a-powerful-desktop-robot-arm-for-future-inven from 7bot. A metal robot arm based around Arduino Due (https://www.arduino.cc/en/Guide/ArduinoDue ). Development of the software, at the time of writing, is still ongoing but looks interesting and already on the comments page of the site, user's have started posted their code. 




Had to install the following software and put the un-zipped files in the library folder of the Arduino folder.

https://github.com/7Bot
https://github.com/sebnil/DueFlashStorage 

Some useful information of setting up using the Arduino Due is available at https://www.arduino.cc/en/Guide/ArduinoDue and is definitely worth a read - it helped me setting it up.


At the moment I have just used the examples from the GitHub site and example is shown in the video below. This looks like an exciting little arm and hopefully there will be more on this blog about it.




I would be interested in hearing from others who have been playing with this arm.



All opinions in this blog are the Author's and should not in any way be seen as reflecting the views of any organisation the Author has any association with.

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