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Budget Robotics (Base on a Budget)

This is the place to talk about Parallax Robots
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Budget Robotics (Base on a Budget)

Postby Savage///Circuits » Fri Jun 10, 2016 11:15 pm

A Savage///Circuits Project

Category: Robotics Projects
Created: Friday, 13 July 2007
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Sometimes building your own robot is easier said than done. It can be easy to visualize what we want but then to actually build it can be more difficult or in some cases seemingly impossible. Other times it is more a matter of not having a budget for the entire robot. Spare parts can be found in a number of places and different people have different interests in specific microcontrollers so I won’t focus on that in this article. Instead the focus here will be on getting a useable robot platform built on a minimal budget.

Follow this link to read more @ Savage///Circuits: Budget Robotics (Base on a Budget)

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Re: Budget Robotics (Base on a Budget)

Postby Granz » Fri Jun 17, 2016 10:40 am

Nice article, Chris. This reminds me of an article by Karl Lunt for the Seattle Robotics Society's Encoder newsletter (http://www.seattlerobotics.org/library/ ... -body.html.) Your article has some nice photos, which Karl did not include - I believe that the Encoder was a simple text-only newsletter at that time.
Both articles cover some nice ideas for budget 'bot platforms/chasis. Time for me to get busy building something. ;)
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Re: Budget Robotics (Base on a Budget)

Postby Savage///Circuits » Fri Jun 17, 2016 1:49 pm

Thanks Granz. Yeah, still restoring S///C content. ;)
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Re: Budget Robotics (Base on a Budget)

Postby Electrons-R-Fun » Fri Jun 17, 2016 11:26 pm

Hey Chris,

Is that the article that you were talking about that has the 7-segment display code?

My projects are all on hold for awhile. We bought a 40 foot RV to take Lisa to the Grand Canyon, and anywhere else she want's to go, and I've had to build her some custom devices so she can fit and be comfortable on the long trips.

Jason

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Re: Budget Robotics (Base on a Budget)

Postby Granz » Sat Jun 18, 2016 12:00 pm

Electrons-R-Fun wrote:Hey Chris,

Is that the article that you were talking about that has the 7-segment display code?

Jason,

I did not see anything about displays, 7-segment or otherwise. There is a lot of good info about building a simple chasis for a 'bot, and mounting things like motors and electronics on the chasis.
Electrons-R-Fun wrote:My projects are all on hold for awhile. We bought a 40 foot RV to take Lisa to the Grand Canyon, and anywhere else she want's to go, and I've had to build her some custom devices so she can fit and be comfortable on the long trips.

Jason

Sorry to hear that the projects are on hold, but glad that you are able to take Lisa on tour to see some cool sites (I will be visiting the Grand Canyon on my trip down Route 66 - someday...)

Perhaps you could set up a tiny (pocket-sized?) dev kit (http://www.instructables.com/id/Build-a ... pment-Kit/) to take with. I recently bought a tiny Arduino, with a micro-USB port, for about $3.00 (http://www.banggood.com/ATmega328P-Nano ... 40937.html) including shipping. This would make a great board for the PDK, you would not even need a USB-Serial adaptor. A couple of small bags of parts, and you will keep the mind sharp (at least as far as electronics goes) while Lisa takes a nap, or whatever. I really like taking a small kit, like this, on vacations, even if I may not get a chance to play with it work with it.
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Re: Budget Robotics (Base on a Budget)

Postby Granz » Sun Jun 19, 2016 1:09 pm

This thread got me thinking (and researching ;) .) I really like Karl's easy-going, and humorous, style. He has another Encoder article (http://www.seattlerobotics.org/encoder/ ... ceprez.htm) where he has some other good ideas for low-cost robot frames.

Now, time for me to quit with the research, and follow Marvin Green's Three Laws of Robot Builders (http://www.portlandrobotics.org/newsletters/issue02.pdf - bottom "article":)
1) Build That Robot
2) Build That Robot
3) Build That Robot
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Re: Budget Robotics (Base on a Budget)

Postby Electrons-R-Fun » Sun Jun 19, 2016 3:22 pm

Hi Art,

We are going to try Lake Webb as an experiment very soon. If the trip goes bad, well... it's only Diesel fuel and 3 hours away, so we can get Lisa home in a short time.

Build that robot... super funny...LOL, sounds like my kind of mentality.

Jason

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Re: Budget Robotics (Base on a Budget)

Postby Savage///Circuits » Mon Jun 20, 2016 1:31 pm

Electrons-R-Fun wrote:Hey Chris, Is that the article that you were talking about that has the 7-segment display code?


Jason, no, the 7-segment code that we talked about is actually part of a tutorial post (info post) that I used to have on the old Savage///Circuits website. As I get content back up I will be putting those back as well in the section (menu) called, "TUTORIALS". It was written for the BASIC Stamp, but I will be adding a Propeller version this time. It's a simple function (subroutine) that you call and it prints your value to large 7-segment display connected via shift registers.

What makes it so cool is that you simple set a variable with a value and call the routine. You can also set a flag for leading 0 stripping. On the BASIC Stamp you're limited to 5 digits in the demo (since a word variable can only go to 65535). However on the Propeller you can do so much more.

My projects are all on hold for awhile. We bought a 40 foot RV to take Lisa to the Grand Canyon, and anywhere else she want's to go, and I've had to build her some custom devices so she can fit and be comfortable on the long trips. Jason


Sorry to hear things are on hold, but at least you get to spend some time and do some travelling. When Wendy was near the end we went on a bucket list trip. I couldn't afford an RV, but I bought a Hyundai Santa Fe AWD which was big enough to hold the wheelchair and gear and comfortable for ehr to get in/out of. It has Air-Conditioned, vented seats (also heated) and the passenger side is fully powered. Dual-Zone climate control, etc. So we took her out to Lake Tahoe, The Bay Area, etc. I still have the car along with a memorial license plate cover. I still call it "her car".

Anyway, enjoy your trip. By the time you get back I should have most of the old content back up and hopefully some new stuff. :geek:
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Re: Budget Robotics (Base on a Budget)

Postby Granz » Tue Jun 21, 2016 4:13 pm

Granz wrote:...Perhaps you could set up a tiny (pocket-sized?) dev kit (http://www.instructables.com/id/Build-a ... pment-Kit/) to take with. ...

Jason,

https://tools.usps.com/go/TrackConfirmA ... 6173000645

Just some stuff that you can take with you (in a very small package.) You can use the shipping box as a convenient "carry case" for now. Great for "low budget" :lol:

No Arduino, or anything, but the one from Banggood, that I mentioned above would work, or there is enough room for the 2313 Experimenter System that I sent you a while back.
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