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Software / Re: Android robot control app
« Last post by Genius At Play on November 22, 2017, 03:25:19 PM »
Thanks brilliant, looks amazing. :D
Misc / CYBER MONDAY DEALS - NOV 27th at ServoCity
« Last post by ServoCity on November 22, 2017, 11:57:46 AM »
FREE Shipping on orders over $100.00, and your order could be selected to WIN a ServoCity gift certificate !!

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For Sale / Programmable robotic arm for arduino starter learning
« Last post by Lewansoul on November 22, 2017, 04:33:43 AM »
Hi this is Una from China,The robotic arm product link is:
If you want to buy it or want to become our dealer please contact me
Electronics / Re: 2 x 18v drill motors & Trigger for speed control
« Last post by Gasman on November 22, 2017, 01:23:18 AM »
So I have solved the problem I think. I used another trigger without a Mosfet and pumped 24v through both motors. runs at a crawl no excessive heat from switch or motors. Not entirely sure what the issue was , at a guess I'm gonna say it was the low voltage.
Misc / Robotics Project, Workers, Students, teachers wanted
« Last post by Duin on November 20, 2017, 12:34:10 PM »
I am a retired business man in Holland who will visit India this winter. I have a project to build a robot.
I am looking for someone who would like to work part time to help build a robot, and is knowledgeable in at least some specialties related to robotics.

My long term goal is to build a kind of Boston Dynamics Spot Mini  but with soft muscles and fur.
This is the sort of robot that could be used both as a toy, a sophisticated personal companion pet for anyone, and a companion for elderly.
A longer term goal, for later development, is to build a lifelike humanoid robot.

I do not expect that present technology is sufficient to do this immediately, but clearly the technology is getting close, and I want to begin now to experiment and design, taking small steps towards these goals.

I believe, however, that India is especially well suited for this sort of development, and I will visit India for a month or two this winter to talk to people like yourselves about this.
Initially I will be looking for robotics engineers, professors, or students who would be interested in part time work, both to advise me, and to begin some development.

This  might, or might not, become a business, a working startup company. I will support some limited costs, and pay wages to learn and begin designing and building these robots.
If I hire someone, it would be part time, no fixed hours, and an experimental project..

It will require some significant knowledge, or interest in artificial intelligence, the new ?soft muscle? technologies,  robot vision, walking, etc, and general experience in robotic engineering.

This is not a quick project. It may be spread out over several years as these new technologies are developed. The persons I work with do not have to be experienced in all these fields. One may specialise in only one of these areas. I would be happy to deal with more than one person, with different persons in different specialties and in different locations in India as it is a complex project.

Please advise me if you could help in any way, either directly, or by referring me to others.

If you know someone else who might be interested, or can advise me how to find persons to help me, please advise.
Thank you,
Dale Quam
You may best email me at [email protected] or respond through this forum
Misc / Re: Voice-Controlled Robots
« Last post by stevesy on November 18, 2017, 06:51:58 PM »
Thanks for your advice mklrobo.  Do you know what the most advanced voice-controlled "robots" are these days?


Electronics / Re: Problems with MT8870 DTMF Decoder
« Last post by boby on November 18, 2017, 02:21:04 AM »
 Dear Mr. VegaObscura,
Increase GS resistor (between pin 2 & 3) to 300 k or 470 k to increase feedback resistor of inner OP-AMP to
increase the index amplification of signal input ,that is; -Rf / Ri

                       Be success
Mechanics and Construction / dog robot skeleton
« Last post by Duin on November 17, 2017, 04:58:33 AM »
Does anyone know where I can buy a skeleton suitable for making a small dog robot?
Preferably in Europe, India, or perhaps by mail from China.

Since the dog must walk, the bones must be articulated, not frozen in position.

does anyone know where I can get the necessary info to have skeleton bones made on a 3D printer?

Thanks for any advice.
Electronics / 2 x 18v drill motors & Trigger for speed control
« Last post by Gasman on November 14, 2017, 05:29:16 AM »
Hi All Newbie here. I am Making an autonomous Lawn Bot and am at the stage where I need to control motor speed. I only use parts that are donated or scrounged from something else I have lying around the shed or at work ,  so some creativity usually required when putting something together.

The 2 rear wheels are drive only and will only be forward and backwards at 1 speed. I have the gearboxes from the drill still attached to the motors on low speed setting, this is still too fast. I tried using the drill trigger as the speed controller which seemed to work for a few minutes but there was a burning smell coming from somewhere, which ended up being the MOSFET attached to the trigger. Once the MOSFET blew (by reversing the polarity on the trigger) I cut it off and the trigger worked fine without it but when I used less trigger the motors got very "jerky" in their rotation at the lower speed. My question is this, Using Drill triggers is it possible to run these 2 18v motors on 12v ?Is there any other handy components I could be using to rig something up ?
Misc / SALE NOW thru Nov 10th ! - ServoCity
« Last post by ServoCity on November 08, 2017, 12:02:44 PM »

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