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This robot waters the plants while you're on holiday! You have to line up the plants and through a GUI in Microsoft Access you can input the water demands per plant (how many times per week the plant needs water and how much). The water reservoir contains a mixer and an aeration unit (through lego compressors) to avoid dead water. The only thing not lego about it is the water pump and the robot is controlled by an Arduino Duemilanove. I've used a selfmade multipurpose motor driver pcb so all the electronics visisble aren't used ;)

hi, im a twelve year old boy who is not an expert  AT ALL, but knows the basics

i've made bristlebots, speaker tones, dc motor cars  and other stuff

BUT

when i have to program  in arduino UNO i just copy other codes from other people

cause...  I dont know how to program at all!!!! i think arduino's language is c,and i don't know  how to program

anybody knows how to program arduino

and can give me a little tutorial about key words and etcetera like setup, delay, control of dc motors sensor etc...

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A little robot that just wants to have fun! 

The code is choppy but works. 

Fun with Wii Camera-

back-

Bottom-

In his blog, Michael describes a nice 4WD robot he realized by means of an arduino-compatible board, a motor shield and a couple of XBee radios, which have been used to implement a simple and effective remote control.

Actually, the remote is made up of a standard breadboard equipped with a joystick, a couple of buttons (that can turn the robot in a Kitt-like vehicle!) and the XBee radio. One interesting feature of this project is that the remote controller is fairly simple and has been designed to work with just the XBee radio board, instead of requiring an additional MCU.

More details can be found here.

[Via: Project Lab - Nootropic design]

Can you imagine to build a robotic arm that can draw? Actually [acorv] realized a good prototype.

I wanted to build a drawing arm that could write. My first version wasn’t good enough, so I built this one. I used timing belts and pulleys to improve the resolution. Stepper motors are driven by a Motor Shield on top of an Arduino UNO. On the tip, a servo motor allows the pen to go up and down. For input, I used a touch pad.

A more detailed description can be found on the [website].

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Hi all, I'm Matt and currently a junior in high school. I built first robot called the "A.S.R.B." over the summer for the Authentic Science Reseach Program and I wanted to share it with all of you! *I'm going to apologize in advanced if my spelling/wording/grammar is terrible--It's been a long day and I'm in a rush to get this posted.* Using the chassis of the duratrax evader EXT-2, I built this robot from the ground up.  I swapped out the esc and dc motor for a traxxas 12t 550 that I had lying around, and the esc is now the traxxas xl-5.

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Hello,

I want to build a mini hexapod and i would like a suggestion from you for a cheap servomachine (de kserw an to grafw kala auto) to use, which will be sufficient for this project.. I have found these here on my own:

HobbyKing HK15148

HobbyKing 928BB

sg90

mg90

sg91s

This challenge is simple. Build a robot that can play naughts and crosses (Tic Tac Toe) against a person. It does not matter how. points are awarded for originality with bonus points if it can win or be drawn every time.

You can use any processor from a picaxe 08M to an IBM BlueGene/Q super computer. You must post video of the robot playing again a human for 3 games in a row.

The due date is 1st of February, 2013.

There will be 3 prizes:

1. DAGU Spider cotroller
2. DAGU Micro Magician V2
3. DAGU Mini Driver

I will judge the contest.

Concept:

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End-of-year engineering school projects often pique our interest for their creativity. It's not every day that they can carry a bassline, however. James McVay's robot project for his honors year at the Victoria University of Wellington, the supremely well-named MechBass, wouldn't have much trouble keeping up with a favorite band. It centers on a custom, Arduino-compatible board that controls the plucking, fretting and damping of four strings to faithfully recreate bass guitar sounds from MIDI input. The design even accounts for the unwanted noises of actuators and motors, while virtually everything was either 3D-printed or laser-cut just for the task at hand. Sounds good? There's more in the pipeline: an upcoming Swivel robot will experiment with different playing techniques, and McVay ultimately sees his work teaching us about robotic music's interaction with human performers. For now, we'll be happy with the video after the break and hope that MechBass takes requests.

Continue reading MechBass robot nails bass guitar sounds with Arduino and a stone cold groove (video)

Filed under: Robots, Alt

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Source: Hack A Day