Is this article up to date? You would need encoders fitted to the motors to be able to set a home position. To find out more, including how to control cookies, see here: Franco Raimondi — for the work on how to extend scratch and the Python server code. The code is available here: Can you tell us which parts were out of date so we can update them?

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Plug in your Robot arm and type “sudo shutdown -r now” this restarts the Pi. However, the motors may move at slightly different speeds when moving in the opposite direction. When I use this command MoveArm 1,[0,1,0] in a sequence above, wouldn’t I need to include some waiting command, or is that integrated within the board of the arm? This site uses cookies. In a complete departure from my previous posts, and as a result of buying one of these Arms for my kids for Christmas I thought I would write-up what I have done with it.

Now you need to give the arm some moves. No, because the bit can’t control it. I thought that the arm could provide an interesting example for kids using the off-line version of Scratch 2.

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You can now delete the downloaded files. Press the Control and O that’s an O not a zero to save the file. This means that you can only move the arm by telling a specific joint to move in a certain direction for a certain amount of time.

The program works great most of the time but occasionally it does several moves I didn’t ask it to do. The arm is pretty basic: If your machine has an msplin disk drive you will be asked to enter the drive recovery key during this process.

This is what you mapiln to do to run the extension on Mac but I suspect the steps are very similar in Linux. Raspberry Pi, using some basic Python.

Using the Maplin Robotic Arm with Scratch | Franco Raimondi

Adafruit Industries — for the article on using lib-usb on Windows hacking the connect article. Accept all of the defaults and ensure that the location of the Python software is added to the PATH of the computer. Boot up your pi, login and type “startx”. Navigate into the folder with ‘cd’ then type “sudo python setup. This is atm assuming you have python pre-installed on your Pi.

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Most of the information, work and credit I needed to do was already done at a great blog post by Franco Raimondiwhich can be found here: As usual, the proof is in the pudding: Include your email address to get a message when this question is answered.

This will open up a graphical session. Your email address will not be published.

Using the Maplin Robotic Arm with Scratch

Not Helpful 0 Helpful 0. You need to ensure Adobe Air is installed first.

Type in “dir” to list all the contents of your home directory. You may use these HTML tags and attributes: Type “rm -r pyusb Follow the instructions below to enable your machine to install un-signed device drivers. This should extract the files.

The arm comes in a box and it needs to be assembled, something that takes approx 2. Can you tell us which parts were out of date so we can update them?