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Electronics / Accurate and Precise Negative Adjustable Voltage Range
« Last post by ecaits on Today at 12:21:03 AM »
In potentiostat ( Three Electrode System) of electro-chemical, I need to apply negative voltage range from -1.50 to -0.30 DC V (up to 50 mA range) as a source power to electrodes, and that the negative voltage source must be very precise and accurate.

I am also thinking about PIC or Arduino microcontroller, if I can do on it..

Please suggest for circuit and/or microcontroller....
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Misc / Re: Isaac Asimov: The Three Laws of Robotics 1942
« Last post by MeccaNoid Madness on February 04, 2016, 09:09:00 PM »
I think the primary application (beside industrial robots) will be the military, people would rather have robots blown up, then their sons or daughters. The drones that the military has now is the first step in to this scary subject.

If it evolves and it will, in a couple of decades, the drones will become more self dependent and much more powerful(weapons).

You are right, if humans follow the 1st law, we would not have to worry about this, but they won't.
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Misc / Re: Isaac Asimov: The Three Laws of Robotics 1942
« Last post by mklrobo on February 04, 2016, 04:43:43 PM »
 ;) Hello!
The three laws, I think, are really for humans to design robots by. no one (human) would want a
robot to bring injury to another person.(unless, it was a terminator!)
Does the class of robot dictate philosophy of the morals of the robot? Meaning, if there are terminator
robots made for war, then domestic robots made for personal use, what is to stop someone from
transferring one "mindset" of one robot to another? If that is done, then how would we know if an
accidental software transfer at the factory was done, and a "mutant" robot was created?
The best thing to do, is to limit the "mind" of the robot to dedicated work related areas, and avoid
using them for war. This limitation will never happen, as any advantage will soon be used to obtain
supremacy. Having said all this, maybe we should use the laws for robots on ourselves(1st law);
and lead by example. What are the odds of that happening?  ???  Good thought invoking question.  ;D
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Robot Videos / The MeccaNoid Android App. is frustrating to use and buggy
« Last post by MeccaNoid Madness on February 04, 2016, 10:37:35 AM »
MeccaNoid does- The Hokey Pokey SONG

https://www.youtube.com/watch?v=owHbZ6ALqcE

I did this with the Android App., it was frustrating to use and buggy. It took me about 25 tries to get it close to right, the ending is not correct, but funny. I changed the voice to +30% pitch to sound more like MeccaNoid.

The APP. was designed for a tablet (small text & buttons), but the MeccaNoid cradle is designed for a small phone. I bet they contracted out to have the APP. designed by another company. My phone will not fit in the cradle, it has a 5 inch screen. The logic of this decision does not make sense to me. They need the APP. to detect what it is installed on and scale the screen and buttons to that device.

the Android App. is frustrating because the buttons are too small on a phone and while you are trying to learn it, it says memory full and you have to erase your work and start over. The APP. needs a way to disable this, so you can learn the APP. It also needs a button for turn around slow (one foot motor) and turn around fast (two feet motors).

I think they are trying to use a layer style, meaning you do the hands movement, go to the start then do the head movement, go to the start then do the feet motor movement, , go to the start then do the voice, the problem is it does not sync up correctly. There is no help file to explain how to do this.

The App needs work, so they need to do a update soon. The robot has a lot of potential, I hope they put some hours into the APP. and open up the brain. I will not use the APP. until they come out with a new and better version. From what I've see from CES 2016, the APP. looks the same and they added a screen with (about 20) buttons for dance, kung-fu, joke, left, right, etc.

I would like too see a simple flow chart style programming APP. (like EZ-Builder Robot Control Software) with speech to text and if this then do that. Do you have any additional comments on how to use the APP. ?

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Misc / Isaac Asimov: The Three Laws of Robotics 1942
« Last post by MeccaNoid Madness on February 03, 2016, 03:17:00 PM »
1. A robot may not injure a human being or, through inaction, allow a human being to come to harm.

2. A robot must obey orders given it by human beings except where such orders conflict with the first law.

3. A robot must protect its own existence as long as such protection does not conflict with the first or second law. :o)

Is this outdated or still applies, what do you think?
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Misc / Re: Soldering smoke questios.
« Last post by MeccaNoid Madness on February 02, 2016, 11:00:22 AM »
I have been soldering for over 40 years, the smoke is from the flux in the solder and will not harm you, it is a good idea to solder in a well vented room with a fan blowing the air around.
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Mechanics and Construction / Re: Robot Construction Log
« Last post by mklrobo on February 01, 2016, 05:35:02 PM »
 ;D Hello!
Awesome work! I have tried also to use the wire wrap direction, and found that the wires acted like
antennas, with the bus speeds. This put out a lot of noise, and loaded down my CPU with a fanout rate.
I did not do a good of job like you have, but only present this as a possibility. Good Luck!!  ;) :) :D ;D
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Misc / FUNNY - The Pickup Artist
« Last post by MeccaNoid Madness on February 01, 2016, 05:34:58 PM »
It's almost as funny as the Car-Drive thru prank.

https://www.youtube.com/watch?v=rs1GhTRt-a0
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Robot Videos / MeccaNoid does- Star Wars The Force Awakens Game
« Last post by MeccaNoid Madness on January 30, 2016, 07:56:12 PM »
https://www.youtube.com/watch?v=Z7nXkOyUpUQ

I did this in LIM mode, this was longer then 2 min., so I had to string 2 LIMs in the video. . I changed the voice to +30% pitch to sound more like MeccaNoid.


This was fun for me, I love Star Wars.

~~~~~~~
SPOILER - if you did not see the movie, click on this
~~~~~~~
https://www.youtube.com/watch?v=vIYrpxNG75s
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Software / Re: Using Robotis cm-530 with smartphone
« Last post by Gertlex on January 30, 2016, 12:19:15 PM »
You may have better luck asking this question on the forums at trossenrobotics.com.  Fairly large community of robotis users there (bioloid kits/dynamixel servos)

Trossen also sells the Arbotix-M which includes dynamixel connectors and an XBee header. Might be of interest.
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