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SMARS V4

3D model description

Finally, the SMARS V4 is here!

The main features of this version, are the top closed batteries case, the RGB LED frame, the power switch and the new wheel’s design.

WARNING THIS DESIGN NEEDS WELDINGS!

V4 is assemblable in 2 different configurations:

-V4_a Arduino nano based, this version offer an embedded design with no exposed electronics parts. Personally I suggest this version if you want to use your SMARS in a single modality (rc car for example). This version is designed to host also a Bluetooth or Wi-Fi module in it, so it’s practical for remote applications.

-V4_b Arduino UNO based, this version is more practical for continuous changes of the robot purpose, connections are easier to modify and also uploading the sketches doesn’t need any disassembly.

In the “documentation” folder, you will find the assembly instructions and the connection diagrams for both the versions. To add Bluetooth or Wi-Fi, simply connect the module to pin 0, pin 1, 5V and GND, there are a lot of tutorials online, google the name of the module for more information.

Maybe you’re asking yourself why this version is not free, here there are the main motivations:
-This version is more an aesthetic upgrade then a functional upgrade, SMARS V1 can basically do the same things so not buying it, will not limit your possibilities in this project.
- I discovered that some people are selling my design and that is not really nice, I spent hours of my personal time to design this system and knowing that people are not respecting my licenses hurts me.
- Not enough people are using my affiliate links, so I don’t have the budget for make big improvement and design mods with new features.

Hope you will understand, I’ll continue to share my designs for free but sometimes I’ll release some paid design, just to keep my projects alive.

Thanks and I hope you will enjoy this new model!

If you have any questions, contact me directly, leave a comment or ask in our Facebook community: https://www.facebook.com/groups/141101273276325/?ref=bookmarks
Material list :

Components :

V4_a :
1x Leds:https://amzn.to/2QYgew8
http://s.click.aliexpress.com/e/cnVTtmUC
1x Arduino nano + terminal https://amzn.to/2A2cIqS

http://s.click.aliexpress.com/e/bNCTtunq
http://s.click.aliexpress.com/e/h062YfA
2x N20 geared motors https://amzn.to/2QYgbQY

http://s.click.aliexpress.com/e/by2RFfHq
1x Motor driver https://amzn.to/2PK0lVg

http://s.click.aliexpress.com/e/b5YydIl6
1x power switch https://amzn.to/2ChTcbj

http://s.click.aliexpress.com/e/brNdCf3w

V4_b:
1x Arduino uno https://amzn.to/2BqSdEg
http://s.click.aliexpress.com/e/Qc3oVvA
1x Leds : https://amzn.to/2QYgew8
http://s.click.aliexpress.com/e/cnVTtmUC
2x N20 geared motors https://amzn.to/2QYgbQY

http://s.click.aliexpress.com/e/by2RFfHq
1x Motor driver https://amzn.to/2PK0lVg

http://s.click.aliexpress.com/e/b5YydIl6
1x power switch https://amzn.to/2ChTcbj

http://s.click.aliexpress.com/e/brNdCf3w

Extra (for V4_a) :

Bluetooth module https://amzn.to/2Bql5we
or
Wifi module https://goo.gl/Ju8H8x

Tools :
3D printer
• color 1 filament
• color 2 filament (optional)
• transparent filament (for V4_a top_holder)
Welder
Pincer
Nipper
Mini screwdriver

Consume material :

-prong fasteners
-connection wires
-tin wire
-4x AAA batteries

3D printing settings

0.2mm
20% infill
No supports

  • 3D model format: STL and ZIP

Tags

Creator

Designs 45
Downloads 6532
Sales $793
Followers

Just a dude who loves CAD & 3D printing.
If you like my projects, support me buying the material from my links, it will not cost you extra money and you will allow me to finance new projects! I would really appreciate it!
Amazon fr https://amzn.to/2A5jITV
amazon US https://amzn.to/2rFmmv5
amazon UK https://amzn.to/2A09jbV
amazon IT https://amzn.to/2QXEoH8
Aliexpress http://s.click.aliexpress.com/e/RnNUBUk

Copyright

©

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Add a comment

12 comments

Hi,
is there a part number for the main power switch? I ordered the one from Ali and it is way too small. I guess you need a switch with a pitch of 5.08 mm and the ones from Ali have a pitch of about 2.5 mm. So far, I did not find any matching part, the closest I found are red switchtes with a pitch of 4.7 mm that might work.

Hello, I'am sorry for your experience, I spent a lot of time for make the assembly instructions for both models and the wiring diagrams. I also provided 2 demo sketches examples and our community is always there to help new members. I didn't focused myself too much on the code, cause the web is full of tutorials about Arduino bluetooth cars, robots that avoid obstacles and line followers and they can actually explain that better than me.
For example if you have a problem with the ultrasonic ranger, just type "ultrasonic Arduino tutorial" and you will find tons of tutorials and guides about it.
My main focus is to design models. Electronics and software are basically the same as every other project, I didn't invent anything new, all the components and codes that I use are everywhere in the makers world.

I love it. Great work.

Hello. Is the fixed version available for download? Or do you have to buy it back?

In the V4 chassis, the wheel axes between the right and left side are not aligned. There is a difference of 0.36 mm.

Part "nano_support" needs to be scaled by a factor of 10.

OK, so no plastic welding is required :)

I mean to solder some electronic components

What do you mean by "welding required"? Might glue also work?

What a great design. Could you show me the way you make the documentation of this design? (How to draw the images?) Thank you.

Paidfor this. This looks beautiful! Let us know how else we can support you. I am looking to build something to get my son interested in robotics, and this is perfect. Perhaps you could release an electronics kit and some scenario based guides (e.g. a guide for line following) that we can pay for?

If you make an educational kit, you could also try selling direct to schools and what not.


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