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12 Nov 2011

Olly – the web connected smell robot via waxy – [via]

look close, there’s an Arduino in there. Read more about the project here.

Olly – the web connected smell robot – [Link]

26 Oct 2011

Chris The Carpenter has put together possibly the most complete robot module for the Propeller Platform. Called the 444AVXB, he writes… [via]

Let’s start with the name, 444-AVXB stands for:
4 Amps (2 amps x 2 motors) via a L298 motor driver
4 ADC’s (Analog inputs) via a MCP3204 chip
4 Servos with connections to power and with current-limiting resistors on the signal wires
Audio-out (non-amplified)
Video-out via a standard RCA jack
Connections for an X-bee
Connections for a BlueSmirf Bluetooth unit

he 444-AVXB was designed with the robot hobbyist in mind. Connections are available for just about every “standard” thing you would find on a small to medium-sized robot. A hefty motor driver handles decent-sized motors with nice screw terminals for both power and motor connections. (4) 3-pin connections are provided for servos which can be powered by either external power or on-board power. An ADC chip allows for 4 analog inputs to be read, great for analog sensors, pots, LDR’s etc.

Video-out takes advantage of the awesome video capability of the prop and can be connected to any TV with a “video-in” and/or many of the cheapie 7” LCD screens (found on Ebay). Audio is just that, audio out with the circuit being the same as can be found on many other propeller products. Pin 15 has been brought forward as well for a Ping))) sonar unit. Finally, there is room and connections for EITHER an X-bee or Bluetooth module. All unused pins are accessible via female headers.

A Robot Module with Everything – [Link]

9 Oct 2011

Robot System Description :

  • 2 mobile phone vibrator
  • AVR ATtiny45 Microcontroller
  • IR RC5 Receiver for remote control
  • NiMH rechargeable battery
  • LED status indicator
  • Dimensions 12mm x 10mm x 18mm

Wheels less smallest Robot “ROBO-BijanMortazavi” – [Link]

17 Sep 2011

David Schneider relates his own experience and gives some advice on building your own underwater ROV. He writes: [via]

Last year at about this time, crews in the Gulf of Mexico were working feverishly to bring BP’s blown-out oil well under control. Some of the more spectacular parts of that effort, as you may recall, involved the use of remotely operated vehicles, or ROVs. Perhaps you had the same thought as I did—that it would be cool to build one.

To be sure, no garage-workbench hacker is going to build an undersea robot that operates a diamond saw or wrestles with a stuck blowout preventer. But those vehicles also monitored events on the seafloor and streamed some amazing video to the Web in real time. A small inspection-class unit—one that carries just a video camera around underwater—ought to be within the grasp of an avid DIYer.

I even built an ROV for fun in the late 1990s. Its underwater thrusters, like the ones employed by most DIYers today, used DC motors mounted in watertight housings. Flexible shaft seals prevented water from getting to the innards of the motors. It used trolling motors, the kind you see pushing small fishing boats around. Submersible bilge pumps are another popular solution.

The great thing about bilge-pump motors is that they are dirt cheap—perfect if all you want is something that can swim around at shallow depths. At greater depths, though, the pressure will cause the flexible seals to close down around the spinning shaft, sapping power and heating the seal. Ultimately, the seal fails and the motor floods.

I wanted my next-generation ROV to be able to go deep, so I took a different approach this time, which was to fill the motors with oil. Shaft seals are still required to keep the oil on the inside separated from the water on the outside. But the two sides of the seal are always at the same pressure, so the motors should be able to operate at any depth.

Build Your Own Undersea Robot – [Link]


14 Sep 2011

Arduino based security bot – [via]

I started with the Arduino last Oct or so and wanted to make some cool first projects. I had wanted a security robot for a long time now for when I am away from the house. I know you can buy premade stuff but I wanted to do it from scratch. So I created SBot 1 and then wanted one with sensors and pan/tilt camera and so SBot 2 was born.

Arduino based security brot – [Link]

4 Sep 2011

 

Cookie making robot! – [via]

This work has been supported in part by Willow Garage and an NDSEG fellowship. We are grateful for this support. CSAIL students programmed the PR2 robot (built by Willow Garage) to perform the wide variety of tasks required to bake cookies.

Cookie making robot – [Link]

4 Sep 2011

pocketBot – line follower from OStan on Vimeo.

PocketBot – a matchbox-sized line following robot – [via]

PocketBot project consists of three parts. The key part of the project is the robot itself – a tiny line following vehicle of a matchbox size. Furthermore, the robot is supported with an USB communication device and with a PC control application. Altogether, these three parts form a complex solution to the line following issue.

The robot was primary designed to fit into a matchbox. A homemade double-sided printed circuit board stands as the robot’s chassis at the same time. Robot is powered with two rechargeable lithium-ion button batteries wired in parallel (3.6V, 40mAh each). The Atmel ATmega8 microcontroller runs robot’s program, which is written in C. An 8-pin connector offers ISP and UART interface for programming and debugging, respectively.

PocketBot – a matchbox-sized line following robot – [Link]

26 Aug 2011

Markus Fischer of Festo discusses their amazing flying robots. [via]

Robot Flies Like A Bird – [Link]

12 Aug 2011

Nexus Automation Limited is manufacture and marketing robot kits and relevant accessories.This robot kit is a 3 omni wheels drive mobile robot kit, supports programmable in C, C++ and especially developed for hobby, professional and educational use. Includes microcontroller, Ultrasonic Range Finder and motors.

Features:

● 3 wheel drive
● Omni wheel
● Aluminum alloy fram
● Capable of rotation and side way
● Includes Ultrasonic sensors
● With Arduino microcontroller and IO expansion board
● Programmable with C, C++

3WD 48mm Omni wheel mobile robot kit – [Link]

26 Jul 2011

This book will show you how to use your Arduino to control a variety of different robots, while providing step-by-step instructions on the entire robot building process. You’ll learn Arduino basics as well as the characteristics of different types of motors used in robotics. You also discover controller methods and failsafe methods, and learn how to apply them to your project. The book starts with basic robots and moves into more complex projects, including a GPS-enabled robot, a robotic lawn mower, a fighting bot, and even a DIY Segway-clone.

  • Introduction to the Arduino and other components needed for robotics
  • Learn how to build motor controllers
  • Build bots from simple line-following and bump-sensor bots to more complex robots that can mow your lawn, do battle, or even take you for a ride

Book: Arduino Robotics – [Link]

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