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41
Electronics / Cheapest way to get into surface mount?
« Last post by ksquared on December 25, 2015, 11:45:10 AM »
I can't help but notice that there is a wide plethora of good uses for Surface mount stuff; sadly, I don't really know how to cheaply acquire equipment for it. 

What is the cheapest domestic way to enable oneself to solder surface mount components?  Thanks to kiCad, and a few chemicals, I can etch (or skip that and just order :P) my own boards....

Thanks in advance!
42
Software / Re: Complexity of robot vision
« Last post by GrimBot on December 23, 2015, 05:01:42 PM »
I saw that stereo-vision came up in the conversation here. I've only been looking into it a little bit when trying to figure out depth perception stuff but was curious if you folks thought it would be possible to get the same depth data by having just 1 camera take an image from 1 position and then tilt or slightly rotate to take another picture and then compare the 2 to try to figure out depth.

I don't think it would be as fast or processor heavy as ready made stereo-vision hardware but maybe you don't need it to be fast for what you need and don't care if the hardware needs to change its view angel to get a second opinion on the camera image.

If it sounds like I don't know what I'm talking about, you are probably right. I only have a basic understanding of this stuff
43
I just wanted to add to this post that I have been able to get the MeArm and MeCon control software working on windows xp, I'm pretty sure it will work on other versions of windows. I thought I had everything wired right but ended up getting the positive and negative terminals backwards.
44
Software / Re: Microsoft Robotics Developer Studio 4 / On Windows 8 / WTF MANG
« Last post by GrimBot on December 23, 2015, 04:49:23 PM »
I just wanted to add to this post that I have been able to get the MeArm and MeCon control software working on windows xp, I'm pretty sure it will work on other versions of windows. I thought I had everything wired right but ended up getting the positive and negative terminals backwards.
45
Software / OpenCV / JavaCV Computer vision, run program when image recognized?
« Last post by GrimBot on December 23, 2015, 04:37:44 PM »
I've messed with opencv and javacv just a little. Only with the examples actually. The actual programming aspect of both are still confusing to me.

I'm thinking of trying to put together a robot that line following to follow a piece of yarn outside, I think this line following part will be easy to do according to the videos I watched on it.

Line follow tutorial:  https://www.youtube.com/watch?v=LK7VLjFbFas

Aside from following a yarn line, on the side of the robot I would like a mounted camera to perform an action when it recognizes an image in its database.

Recognizing 40 images:  https://www.youtube.com/watch?v=nP-l3ApSDX8

Does anyone know of any examples of this kind of function floating around the internet?









46
Mechanics and Construction / Re: Robotics Kit for Education
« Last post by bdeuell on December 22, 2015, 04:16:00 PM »
here are a few suggestions that might fit your needs

  • Lego mindstorms

  • Actobotics

  • Vex robotics

47
Misc / Re: List of books, websites and sources for parts
« Last post by mklrobo on December 22, 2015, 02:32:34 PM »
 8) Simply awesome!!!!!!  8)
48
Electronics / Re: need recommendation for good brand of motors
« Last post by mklrobo on December 22, 2015, 02:31:42 PM »
 ;D Hello!
I could give you a generic answer, but you could generate that yourself. The person who is an expert in the motors in this forum is Bduell. You could send him a message. Look up his posts in this forum, and you will see a lot of useful information that you can use. Good Luck!  ;) :) :D ;D
49
Mechanics and Construction / Robotics Kit for Education
« Last post by curt_bixel on December 21, 2015, 05:54:54 PM »
I am an AP Physics teacher looking at the various robotics kits out there.  I am looking for a kit that leaves a lot of design and construction decisions to the students so they can wrestle with concepts of torque, structural integrity, gearing, etc.  I am finding that many of the kits out there seem to focus more on the coding aspect of robotics, and, as a result, they typically have detailed directions for how to put the different robots together.  Furthermore, the design of the pieces seems to be fairly restrictive as far as the decisions that can be made. 

Can someone please suggest a kit that provides a happy medium between ease of use and still leaving a lot of design and engineering decisions to be made by the students?
50
Electronics / Re: need recommendation for good brand of motors
« Last post by dmehling on December 21, 2015, 03:27:17 PM »
no sugggestions?  I thought this would be a common question.
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