Posts Tagged ‘download’

The VEX Switch Doesn’t Work Anymore as an Input…. How do I fix it?

Question:

I used the Dobots last year to do activity 4 Using Digital Inputs (Here) and it worked great!  The kids are having a blast!  But no matter what I do this year, I cannot get it to work on any of my robots. How do I fix this?

Answer:

  Well….. My bad…. I’ve been telling y’all (for you Texans out there) to be sure your wiring it correctly, and be sure it’s plugged in the correct port…. but that doesn’t seem to be the problem. The problem is a bug in the latest version of the 1.7.1 software. I am told that the bug will be addressed in the next release of the software, but no one knows when that will be released. So the safest answer right now… I know it is hard for some schools to do, but to revert to version 1.5.1 of the software. I will let you know as soon as I hear that the new version is out! This only seems to be a problem if you are using Teaching and Playback…. It works fine in Blockly… 

To do this, follow the steps below:
1. Go to the Dobot Download Center here: https://www.dobot.cc/downloadcenter.html  2. Click on the link circled in red below that says previous versions.

3. In the resulting window choose version _Magician Studio v1.5.1
4. Delete the new version from your computer and reinstall this older version… until the new version with the bug fix comes out. Sorry for the hassle! In my classroom I am lucky enough to have the older version installed so I did not have this issue.

5. I strongly suggest that you do NOT install updates mid year!

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The Lynxmotion AL5D V2: Putting it all together

So you have new Lynxmotion robots for your classroom, so now you have to build and wire them. I’ve put together 4 videos to help you assemble and wire them. This is not meant to replace the manual, but rather to supplement it. You can find the manual here: PLTW-AL5D-Guide-11.  Lots of new stuff in the manual too, especially about how servos work.

Here’s a few short videos to get you going!

Tips & Tricks on Assembly

Wiring the Power Supply

Wiring the Servos

Centering the Servos


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Wiring the Power for Lynx AL5D

Question:

How do you wire the AL5D Lynxmotion robot arm for power?

Answer:

You really have to make sure that you do this right, or you will damage the SSC-32U and/or the power supply, and it will not work. So, start by reading the manual; you can find it Here: PLTW-AL5D-Guide-11. Also, see the video below.

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Tips & Tricks for Building a Lynxmotion AL5D Robot Arm

Question:

I heard building the AL5D was really hard. Do you have any tips or tricks for building it?

Answer:

Of course we have tips and tricks! Best one yet? Read the new manual; you can find it Here: PLTW-AL5D-Guide-11.  They just spent a lot of time rewriting the manual, and added a lot of our suggestions to it, so please start there. Next just watch the video below!

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Jim Hanson

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