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360 Degree sonar. Proof of concept.

First thing first.This is just a quick and dirty attempt to improve the 360 degree sonar idea. I have seen some of the designs at LMR with a 3,5mm jack plug and wires that goes around the servo and...

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G.E.A.R.

Primary imageWhat does it do?Basic robot for testing code and sensorsGeneric experimental Arduino Robot       I put this together one or two years ago and have been fiddling with it ever since. The...

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Acoustic Noise Reduction

So in another forum I explained how I was using power screwdriver motors to move my rocker bogie suspension system. So I was wondering if you guys had any ideas on how to dampen the acoustic noise(not...

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Arduino tamiya twin motor gear power supply and stuff

 Hello there, I am building a simple Arduino tank but the problem is that after running it for 20? seconds it starts to run slower and slower. Then after turning it off, and on it does not run anymore....

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Gears in Sketchup

In robotics, you  usually want more torque or speed out of your motors.read more

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Help with torque caculations

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Custom Gearbox

Hey all I have built a few small scale bots and am now working on a larger 200lb bot. I was wondering if anyone had constructed their own gearbox for a DC motor. If so how did you do it and what kind...

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enlarge gear hole

i need to enalarge a hole in a plastic gear from 3mm to 9mm How can i do it?

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Robot with mecanum wheels: what wheels, motors, gear and encoder?

Dear reader,read more

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Runner Robot (Original Idea by Brainergizer)

Primary imageWhat does it do?Just rolls alongHi, everybody! This is not my first robot, but it *is* the first robot I have built without a kit!It's based on a robot built by a guy known as Brainergizer...

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