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David Corking

BBC NEWS | Technology | Tweeting mouse trap and window | June 2009 - 0 views

news.bbc.co.uk/...8113914.stm

Gnome Linux twitter hampshire wiltshire

shared by David Corking on 03 Sep 09 - Cached
  • David Corking on 03 Sep 09
     
    'The house that tweets' This 2 minute video interview with Andy Stanford-Clark is much more entertaining than the YouTube interview I bookmarked earlier. Lots of action shots of home telemetry, Andy's Java midlet on his phone, and what I think is a GNOME desktop showing his home's web interface.
York Jong

RoboLogo - Teaching Children how to program Interactive Robots - 0 views

web.mit.edu/...robologo.html

grammar javacc logo mit robot

shared by York Jong on 09 Sep 07 - Cached
  • All of the procedures take a discrete ``gear'' to specify the speed. The reasons for this are two-fold; first, by limiting the power of the truck, we simplify the interface to children. Secondly, it allows use to calibrate the ``gears'' so that, for example, 10 seconds forward in first gear is the same distance as 10 seconds backward in first gear.
  • The limitation of LOGO however is the lack of feedback from the environment. There is no way of expressing an event occuring in the outside world.
  • Simple constructs in iLogo extend the original LOGO language with interactivity capabilities of reading sensors and transfering control to different parts of the program.
  • ...6 more annotations...
  • These above rules handle all of the commands and expressions of the iLogo language except for the DoUnlessCommand. This command will execute a list of commands unless a boolean condition is met. If so, control is switched to a new list of commands for handling the exception condition.
  • Each stage of the compiler is designed using the Visitor pattern described in the book Design Pattern by Eric Gamma, et al. This pattern allows tree traversers to be created as seperated objects, instead of doing all traversals as methods of the nodes of the tree
  • We decided to use the JavaCC/JJTree tools created by Sun for generating a custom parser for our iLogo language written in Java.
  • The language must have primitives which allow the user of the language to write programs which easily transfer control based upon outside stimuli, in this case sensors on the truck.
  • An LM18293 push-pull motor driver connects the programmable counter array (PCA) of the 8051 to the truck's motors.
    • York Jong
      York Jong on 09 Sep 07
       
      LM18293 is a DC motor driver.
  • We took the Berkeley Logo language design as our base and then added a primitive for reading sensor and an exception-based control structure.
  • York Jong on 09 Sep 07
     
    RoboLogo is a system that enables children to program interactive robots. Children can program a robotic truck that interacts with the environment without having to deal with low-level implementation details.
York Jong

BSIM User Manual - 0 views

www.behaviorbasedprogramming.com/...index.php

behavior-based java robot simulation

shared by York Jong on 27 May 07 - Cached
  • York Jong on 27 May 07
     
    Welcome to BSim, a behavior based robot simulator. BSim is designed to allow users to experiment with behavior based programming techniques without requiring access to an actual robot (The B in BSim stands for behavior). BSim enables users to create simpl
York Jong

BASIC Stamp - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/BASIC_Stamp

basic-stamp pic robot

shared by York Jong on 09 Sep 07 - Cached
  • The BASIC Stamp is a microcontroller with a small, specialized BASIC interpreter (PBASIC) built into ROM.
  • The third variant is the Javelin stamp. This stamp uses Sun Microsystem's Java programing language instead of Parallax's PBasic
  • all current PICs are Flash-based, and support in-circuit programming.
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  • The Basic Stamp > interprets instructions in real-time, essentially running a virtual machine on the PIC. This means that it is much slower
  • The Stamp implements a complete solution on a single PCB. In comparison, a bare PIC requires a separate power regulator and substantial decoupling on its output.
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