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RC FPV tank rover

An almost completly 3D-printed tank equipped with an FPV system to explore and discover the unknown

brian-brockenBrian Brocken
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Almost all the parts on this FPV tank/rover are 3D printed. The geared motors (12V brushed 1000 RPM) are currently driven by a L298N motor driver. The motor driver is being controlled by an arduino nano wich reads out 2 channels from a Spektrum receiver. There's a chance the arduino and the motor drivers will be replaced by the car esc, but I might leave them in so I can connect some sensors to it in the future to give the tank some autonomy. The tank is equipped with a 600mW 5.8 Ghz FPV system wich sends a video feed to FPV goggles. The camera is placed inside an "eye" wich can tilt up and down with the help of a servo.

I designed the tank in a way that it can be almost completely 3D-printed. It's of course inevitable to truely completely 3D print the tank so there are small additional parts needed like bearings, shafts, screws, bolts and nuts. The tracks however are completely 3D-printed and don't need little shafts between every link. They are designed to snap together and stay together. It's very hard to take them apart after they snapped together, which is of course the intention. 

I initially used 2 12V 1000 RPM motors but they turned out to be to weak so I ordered some new motors which were the same size but instead of 1000 RPM they are now 100 RPM. If I wanted to put bigger motors in it, I had to completely redesign the tank which would take up to much time as I already 3D-printed all the parts. 

The 2  motors are currently being driven by a L298N motor driver which is controlled by an Arduino Nano V3. The Arduino reads the data from 2 channels on the Spektrum receiver. I might replace the Arduino and motor driver by 2 car esc's but it's also possible I keep the Arduino so I can connect some sensors to it so I can make the tank perform tasks autonomously.

In front of the tank is a camera which is placed inside an "eye" so the driver can look up and down. The up and down movement of the "eye" is obtained by a standard 9g servo. The video feed gets transmitted through a 600mW 5.8gHz transmitter and gets send to some FPV goggles.

The hatch on top of the tank gets hold on by 2 neodymium magnets (1 in the body, 1 in the hatch).

A possible upgrade in the future for this tank would be a robotic arm which would be mounted on top of it.

The tank needs about 23 - 24 treads for one side depending on your print quality.

STL and Fusion 360 source files can be found here: https://bbprojects.technology/collections/stl-fusion-360-source-files/products/rc-fpv-tank-rover-files

Video:

FPV_tank_arduino_code_V2_L298N.ino

Code for the Arduino which reads out 2 channels of an RC transmitter and then controlles a L298N motor driver

ino - 2.98 kB - 04/25/2019 at 19:09

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View all 6 project logs

  • 1
    I made a YouTube video where you can see me build this tank step by step, from computer model to a working machine

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simchukilya5 wrote 01/22/2022 at 06:08 • point

what fpv goggles would i need to buy for the camera and how to set it up? and what remote is compatible with the equipment? im new to this stuff.

  Are you sure? yes | no

halilkaanitan wrote 04/16/2020 at 08:11 • point

Should I use 50 rpm motor or 200 rpm?

  Are you sure? yes | no

Syntax wrote 04/08/2020 at 22:37 • point

would you be willing to put a link to the fusion 360 files

  Are you sure? yes | no

nasttiii wrote 04/05/2020 at 20:53 • point

Can the whole circuit diagram?how to connect the camera and rc receiver

  Are you sure? yes | no

Alexey wrote 07/31/2019 at 11:36 • point

Welcome to use this back wheel and track upgrades:
https://www.thingiverse.com/thing:3781188

  Are you sure? yes | no

Brian Brocken wrote 07/31/2019 at 19:09 • point

thanks man! the print in place tracks are a great idea ;-)

  Are you sure? yes | no

Alexey wrote 07/12/2019 at 06:56 • point

raspberry pi could be better

  Are you sure? yes | no

Brian Brocken wrote 07/13/2019 at 22:40 • point

Yes depending on your application it could

  Are you sure? yes | no

Juna Gabriel Vazquez wrote 07/05/2019 at 20:37 • point

How did you make the chains for the wheels? I didn't find them in thingiverse. =(

  Are you sure? yes | no

Brian Brocken wrote 07/05/2019 at 21:25 • point

I checked it and they are in fact uploaded on Thingiverse ;-) The file name is Treads.stl

  Are you sure? yes | no

Juna Gabriel Vazquez wrote 07/06/2019 at 01:27 • point

Sorry, my mistake =)

  Are you sure? yes | no

olemlong wrote 07/04/2019 at 09:34 • point

Have any specs on the screws ? =) 

  Are you sure? yes | no

Brian Brocken wrote 07/05/2019 at 20:46 • point

I just used some regular 4.5 X 40 mm screws you can find at your local hardware store and I trimmed some of them wich needed to be smaaller with a dremel ;-)

  Are you sure? yes | no

Alwyn wrote 06/22/2019 at 01:50 • point

Do you have a wiring diagram for this project by chance?

  Are you sure? yes | no

Brian Brocken wrote 07/05/2019 at 20:48 • point

No I don't but I just used a general wiring diagram for a L298N driver with 2 motors wich is exactly what this is (except for the joystick).

Afbeeldingsresultaat voor l298n wiring diagram

  Are you sure? yes | no

Brian Brocken wrote 07/05/2019 at 20:49 • point

I added a project log with the used wiring diagram.

  Are you sure? yes | no

Not Specified wrote 04/11/2019 at 09:20 • point

Hey, i would like to help you implement some cool stuff like telemetry and other things. I am an avid RC hobbyist and am looking for the design part of something like this. I am pretty good with electronics. maybe you want to collaborate?

  Are you sure? yes | no

Brian Brocken wrote 04/15/2019 at 16:02 • point

Thank you Not Specified, I am more than happy to provide you all the 3D files and code once the tank is finished, this way I'm sure everything works. I'm pretty good with electronics too but I'll contact you when I'm stuck with something. Thanks for the help ;-)

  Are you sure? yes | no

Sophi Kravitz wrote 04/09/2019 at 19:32 • point

These renders are nice! What did you do them in?

  Are you sure? yes | no

Brian Brocken wrote 04/09/2019 at 20:06 • point

Thank you Sophi! They were all rendered within fusion 360.

  Are you sure? yes | no

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