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{ Category Archives } Tutorials

making wheels out of plastic bottles

This is an old idea, finally I have the time to show it to the world. The are bottle shapes that perfectly fit together, you will see how easy it is to create a wheel from two plastic bootles, the video speaks for itself: Check this post to see how I attached the wheels to [...]

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Clever ways of attaching components to your robot

During the development of Farrusco, we tried a lot of different ways to attach components to PVC supports, from hot-glue, to screws and double side-tape. Because this is intended to be sold as a kit the main keywords were: easy, cheap, last long as possible, and as a final thought “less is more”, what you [...]

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This Week In Hobby Robotics 2

LetMakeRobots.com Imagine what happen when hobbyists, engeneers, artists and all kinds of cool people from very different backgrounds, gather with a single purpose in common, to create robots, share knowledge and information, and mostly have a lot of fun! It’s a joy to see my Talkie Walkie being featured in this nice video. Fritsl and [...]

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Max + Arduino + Industrial Motor

At Artica, we had a request to link MAXMSP to an industrial motor for an artistic installation witch we will speak about at another time. This motor is a true beast, and since we have never worked with such a thing we decided to ask for help to our electronics guru David Palma. The motor [...]

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RGB Mixer – Processing to Arduino

It has been a long time since I wanted to control the arduino with processing and I tried a lot of libraries, and a lot of processes and I always felt that none of those were suited for what I needed. I needed something simple to implement and easy to understand, and because I am not [...]

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Talkie Walkie Tutorial

I was asked to document how I did the talkie walkie bot, and you can take a look at the tutorial in the original post: http://lab.guilhermemartins.net/talkie-walkie/

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G-Remote Tutorial

My friend Gerhard from Germany asked me to build a walkthrough regarding the G-Remote, with part list, schematics and code. And here it is.  Enjoy  :D

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easing servo movements

I’ve been working on this for a while and finally I have the courage to post the results. I’m also testing the pololu micro serial servo controller in the hope I could achieve better results. One good thing the pololu controller has, is the ability to set the speed of the movement, I guess it [...]

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Servo Motor Hack @ AltLab

Here’s another way to hack a servo motor. This time Njay shows us how to do it, and it is quite easy. The code to use is the same for a normal servo, when you point it to the center (90 degrees) it will stop, than if you increment the angle it will start moving [...]

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Talkie Walkie

Lusorobotica.com and EmbeddedDreams.com made a challenge to build a robot only with one servo, and this was what I came up with. I used the sound sensor I’ve done a few days ago and a little paper-boat + a servo and a box and this is the result :) This how the puppet works: A [...]

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