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Mechanics and Construction / Re: New robotic toy coming out!
« Last post by mklrobo on July 28, 2021, 05:57:12 AM »
 :) excelsior!!   :)

   Hello, True Believers!  8)

   In my preparations to make this project as simple as possible, I
have found a company that sells the raspberry pi, the LCD screen, camera, AND freeware already installed!!!  ;D

     All you have to do, is build the mechanical, load my control program, and VOLIA! instant robot toy!!!   :D

     I had to do it this way, to simplify the programming issues that (believe me) would frustrate anyone. Loading
and compiling some of the freeware can be a task, and could take away from enjoying the robot.  :'(

     Although, slugging through these issues is what robotic  8) superheros do; but, that is one less thing you will
need to do.

     I am working with the company to make sure it works properly; if so, this will simplify the project greatly, and
reduce the cost of the project by approx $50 - $100 dollars!!!   ;D

 Thank you for reading this post!!  8) see you next  post, same robot channel, same robot time!!!!   8)
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Mechanics and Construction / Re: New robotic toy coming out!
« Last post by mklrobo on July 21, 2021, 07:55:22 AM »
 8) excelsior!   8)

I would like to recommend a book that will help you with my new robotic toy!

 "Beginning Robotics with Raspberry pi and Ardunio"

This book gives a quick reference to all the main points that will make your
life easier with robotics, especially with my toy!!

 ;D see you same robotic channel, same robotic time!!!!  ;D
3
Electronics / Re: New Humanoid robot project update - cloning Atlas
« Last post by mklrobo on July 18, 2021, 02:48:04 PM »
 8) excelsior!   8)

  I see you added another video on to your original one - about using global variables exclusively.
When I am making small programs, making all variables global can be a great help. But, when my
program starts getting large, I find I must enclose local variables to functions, to keep from overwriting
other information on other variables. I used them so much, I have a variable overload, which wrote into a memory block in which it was not supposed to; and crashed my computer.
   Having learned that lesson, I got an experience of why functions are important, besides being cool.  8)

    So, there you have it!!

    If you want really powerful code, with very little statements, try FORTH. It is challenging, and not many programmers use it today. It is used in all the cool space stuff, so have a look at it!!

 :)  good luck   :)
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Electronics / Re: New Humanoid robot project update - cloning Atlas
« Last post by mklrobo on July 15, 2021, 07:53:37 AM »
 8)  excelsior!!!   8)

   Interesting video, very nice. Gyroscopes are important to the robot walking, no doubt.
I would venture a suggestion about looking into other raspberry pi products that already
use a gyroscopic module, but without the actual physical structure.

    Keep up the good videos!!!   ;D
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Electronics / New Humanoid robot project update - cloning Atlas
« Last post by Diorthotis on July 13, 2021, 09:37:56 AM »
Greetings, I have been working a lot on my new robot project. Today I discuss the electronics. I will be using a lot of MPU6050 gyroscopes. I discuss a scheme to control up to x16 MPU6050 modules with a single Arduino.

https://www.youtube.com/watch?v=njzNClFSzSI
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Electronics / Re: 12v dc motor off and on continuously
« Last post by Diorthotis on July 13, 2021, 09:28:26 AM »
You need a sufficiently large capacitor across the power rails. It will provide a boost of power when the motor starts. You also need a back-emf schottky diode also across the power rails, but in reverse polarity.
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Mechanics and Construction / Re: Robot Construction Log
« Last post by mklrobo on July 12, 2021, 08:12:07 AM »
 8)  Excelsior!!   8)

     Hello again!

     In reference to your high level language, may I humbly suggest Python?
Reason being, Python is "bound" to about every language there is, and
a language that you use on you robot would set the stage for other
people to access and build a robot like yours in a friendly, familiar
platform.
    This would allow you to access other resources as your robot project grows!   ;)

 :)  Good luck!    :)
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Mechanics and Construction / Re: Robot Construction Log
« Last post by FIFO on July 10, 2021, 12:18:53 PM »
Thank you! I took a lot of time to make things really clear. Now I'm trying to figure out what to make next. I was considering trying to develop a high level language and compiler so that it would be easier to program the robot. I don't know very much about that, but it seems like it would be fun.
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Mechanics and Construction / Re: Robot Construction Log
« Last post by mklrobo on July 09, 2021, 05:58:43 AM »
 8) Totally Awesome!!   8)

     I love the "pet on the chip" vernacular!!! how about chippett? or petrick?
Just some work play on your project statement.

    your documentation is awesome, and very precise. I love reading the manuals,
and seeing where it all fits in.

    Awesome job!!!   ;D
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Mechanics and Construction / Re: Robot Construction Log
« Last post by FIFO on July 08, 2021, 08:05:47 AM »
Thank you! I have a short video clip of it running here (at the end of the article): https://ezrasrobots.wordpress.com/2016/12/03/the-robot-pet/

I also have a new version here, called Pet on a Chip, where I condense all of the control logic and a custom CPU onto an FPGA: https://ezrasrobots.wordpress.com/2021/07/07/pet-on-a-chip/
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