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York Jong

Quadcores - 0 views

www.solarbotics.net/...starting_nvnet_quadcore.html

4star beam electronics microcore quadcore robot

shared by York Jong on 26 May 07 - Cached
  • York Jong on 26 May 07
     
    The quadcore, or 4-Nv net, is by far the most-common variant of Nv net. You will sometimes also hear this circuit referred to as the "Microcore" -- although this term should strictly be used in reference to a "fully dressed" quadcore,
York Jong

Nv neurons and Nv nets - 0 views

www.solarbotics.net/...starting_nvnet.html

3star beam neuron nv robot theory

shared by York Jong on 26 May 07 - Cached
  • We assume that the slowly changing waveform at the Nv input produces a single output transition when it crosses the Nv switching threshold. This is accomplished by using a 74HC14 or similar CMOS Schmitt trigger. When 74HC04 or 74HC240s are used for Nv inverters some nasty oscillations occur during switching which makes these inverters unsuitable for most Nv networks greater than 2 Nv in series.
  • York Jong on 26 May 07
     
    On this page, we'll tackle two challenging topics -- Nv neurons (the building block of advanced BEAM circuits), and Nv nets (networks of Nv Neurons, designed to do our bidding).
York Jong

Bicores - 0 views

www.solarbotics.net/...starting_nvnet_bicore.html

4star beam bicore electronics robot

shared by York Jong on 26 May 07 - Cached
  • York Jong on 26 May 07
     
    Many BEAMbots are based on bicores (2-Nv neuron "loops") in some fashion or another (and there are two main kinds of bicores -- but more on that later). Even if you're not building a bicore-based BEAMbot, studying how bicores work will help
York Jong

The "Miller" walker tutorial - 0 views

bftgu.solarbotics.net/tutorials_miller.html

beam robot tutorial walker

shared by York Jong on 26 May 07 - Cached
  • York Jong on 26 May 07
     
    The material in this appendix is directly derived from a set of tutorial web pages authored by Andrew Miller. Andrew has since moved on to other pursuits (that pesky "work thing," don'cha know...), so in the interests of education, I "prettied" up his tre
York Jong

nonsolder bicore - 0 views

www.geocities.com/...nonsolderbicore.htm

3star beam bicore electronics nonsolder robot socket

shared by York Jong on 26 May 07 - Cached
  • York Jong on 26 May 07
     
    A complete tutorial on creating a fully adjustable bicore, master/slave bicore, head or any other circuit around any other chip!
York Jong

The Complete Guide for Building a Master / Slave walker - 0 views

www.geocities.com/...Walker.htm

beam electronics guide robot walker

shared by York Jong on 26 May 07 - Cached
  • York Jong on 26 May 07
     
    This is your complete guide on how to build a Master / Slave walker.
York Jong

BICORE ARTICLE - 0 views

www.geocities.com/...Bicorearticle.htm

4star beam bicore electronics robot

shared by York Jong on 26 May 07 - Cached
  • York Jong on 26 May 07
     
    The suspended bicore is the core of most BEAM devices. It's unique structure makes it very easy to customize for a wide range of uses. These uses vary from blinking LED's to servo-drivers to walkers.
York Jong

How to freeform the H-bridge - by Brian Hendrickson - 0 views

www.beam-online.com/...hbridge.html

beam driver electronics h-bridge motor

shared by York Jong on 26 May 07 - Cached
  • York Jong on 26 May 07
     
    Most of us are familiar with Beckingham's photovore block (also known as Chiu's). The following is a similar format used for freeforming a simple H-bridge motor driver that can be used for walkers, heads, and any other project that uses motors that requir
York Jong

How to free form the Bicore - 0 views

www.beam-online.com/...bicore.html

beam bicore electronics robot

shared by York Jong on 26 May 07 - Cached
  • York Jong on 26 May 07
     
    The Bicore is one of the easiest BEAM circuits to free form and can be built in 10 to 60 minutes depending on your skill level. I would recommend you read the whole tutorial first, this will GREATLY lower the chance of you making a mistake.
York Jong

BEAM From the Ground Up - 0 views

bftgu.solarbotics.net/

5star beam electronics portal robot

shared by York Jong on 26 May 07 - Cached
  • York Jong on 26 May 07
     
    Welcome to the leaner, cleaner, BEAM From the Ground Up! This site is designed to be a useful collection of material for BEAM roboticists of all experience levels and abilities. The unifying focus here is on learning -- so this is the place to look for tu
York Jong

如何改裝RV9自動吸塵器_實現過程 - 0 views

xlab.cn.nctu.edu.tw/...tinyd5

irobot robot roomba

shared by York Jong on 30 May 07 - Cached
  • York Jong on 30 May 07
     
    本文件『如何改裝RV9自動吸塵器』包含RV9自動吸塵器〈以下簡稱RV9〉之內部構造與電路設計資料，而該資料之取得為交通大學電機與控制工程系嵌入式系統實驗室〈以下簡稱本實驗室〉為研究專
York Jong

BEAM Online > About BEAM - 0 views

www.beam-online.com/..._ab.htm

beam electronics robot

shared by York Jong on 27 May 07 - Cached
  • York Jong on 27 May 07
     
    BEAM robotics is the brain child of Mark W. Tilden who is currently working at "Los Alamos National Laboratory" in Los Alamos, New Mexico, US. BEAM robotics as described in the BEAM rule book: 1/: A description of what aspects a roving robot creature coul
York Jong

CAROLL: a Cheap Autonomous Robot for On-Line Learning - 0 views

www2.lifl.fr/...caroll.html

learning pic q-learning robot

shared by York Jong on 29 May 07 - Cached
  • The algorithm used here is a simple Q-learning algorithm
  • York Jong on 29 May 07
     
    This document describes the conception, building and programmation of a non-expensive autonomous wheeled robot, using as few electronic parts and special skills as possible. It makes use of a cheap but strong micro-controller, with enough program and data
York Jong

Furby Resurrection - 0 views

members.cox.net/...furby.html

calebchung furby pic robot toy

shared by York Jong on 24 Mar 08 - Cached
  • York Jong on 24 Mar 08
     
    There are several websites documenting the original Furby circuit board. I decided to replace the original circuit entirely and replace it with a PIC based controller.
York Jong

Furby Schematics - 0 views

mechatronics.mech.northwestern.edu/...Furby_schematics.html

5star calebchung circuit embedded furby robot schematics

shared by York Jong on 27 May 07 - Cached
  • Note that the resistor value of the pull-down resistor affects the voltage at pin 3 of the Furby's connector. We used a 1k ohm resistor to make it less sensitive to light (since we're now operating with it open to ambient light).
  • In the above diagram, a 20k ohm resistor is used as the pull-up resistor. You can, however, use any resistor as the pull-up resistor as long as the resistance is high enough to protect the circuit.
  • York Jong on 27 May 07
     
    There are a number of sensors and a motor driver on the Furby. The following is a list of these sensors and their functions.
York Jong

Build this simple "electronic electroscope," a FET electrometer - 0 views

www.amasci.com/...chargdet.html

circuit electrometer electronics electrostatics fet mpf102

shared by York Jong on 30 May 07 - Cached
  • This simple circuit can detect the invisible fields of voltage which surround all electrified objects
  • ...9 more annotations...
  • The Gate acts as an antenna, so leave it unconnected.
  • The 1-meg resistor helps protect the FET from being harmed by any accidental sparks to its Gate lead. The circuit will work fine without this resistor. Just don't intentionally "zap" the Gate wire with a charged object or your charged finger.
  • To test the circuit, charge up a pen or a comb on your hair, then wave it close to the little "antenna" wire. The LED should go dark. When you remove the electrified pen or comb, the LED should light up again.
  • If you suspect that humidity is very high, test this by rubbing a balloon or a plastic object upon your arm. If the balloon does not attract your arm hairs, humidity is too high.
  • This FET sensor is not an ideal educational device because it responds differently to positive than to negative.
  • negative objects turn the LED off, it lights again when removed. positive objects make the LED bright, then dark when removed.
  • Obtain a small capacitor with a value below 100 picofarads. Connect it between the FET gate lead and one of the other FET leads (doesn't matter which one.) This greatly reduces the sensitivity of the device
  • Now make the circuit MORE sensitive. Obtain an alligator clip-lead, and connect it to the Gate lead of the FET. Let it hang loose without touching anything. You'll find that this has vastly increased the sensitivity of your FET circuit.
  • York Jong on 30 May 07
     
    This simple circuit can detect the invisible fields of voltage which surround all electrified objects. It acts as an electronic "electroscope.
York Jong

ELM - Desktop Line Following Robot - 0 views

elm-chan.org/...report.html

avr embedded pid robot

shared by York Jong on 15 Jun 07 - Cached
  • York Jong on 15 Jun 07
     
    The Line Following is a kind of the robot contests to vie running speed on the line. I build a tiny line following robot which can run on the desk, moving the key board aside will do.
York Jong

ROBOT GEARS TUTORIAL - 0 views

www.societyofrobots.com/mechanics_gears.shtml

gear mechanics robot tutorial

shared by York Jong on 31 May 07 - Cached
  • motors commercially available do not normally have a desirable speed to torque ratio (the main exception being servos and high torque motors with built in gearboxes)
  • With gears, you will exchange the high velocity with a better torque.
  • the larger gear will move more slowly than the smaller gear, but it will move with more torque.
  • ...1 more annotation...
  • Suppose your gearing ratio is 3/1. This would mean you would multiple your torque by 3 and your velocity by the inverse, or 1/3.
  • York Jong on 31 May 07
     
    No good robot can ever be built without gears. As such, a good understanding of how gears affect parameters such as torque and velocity are very important.
York Jong

Retired Robots - The Ants - 0 views

www.ai.mit.edu/ants

ants mit robot

shared by York Jong on 03 Jun 07 - Cached
  • York Jong on 03 Jun 07
     
    The Ants are a community of cubic-inch microrobots at the MIT Artificial Intelligence Lab. There are two main goals for this project. The first is to push the limits of microrobotics by integrating many sensors and actuators into a small package. The second is to form a structured robotic community from the interactions of many simple individuals. The inspiration behind this idea comes from nature -- the ant colony.
York Jong

BEAM robotics - Wikipedia, the free encyclopedia - 0 views

en.wikipedia.org/...BEAM_robotics

beam biology electronics mobile robot

shared by York Jong on 27 May 07 - Cached
  • York Jong on 27 May 07
     
    The word "beam" in BEAM robotics is an acronym for Biology, Electronics, Aesthetics, and Mechanics. This is a term that refers to a style of robotics that primarily uses simple analog circuits instead of a microprocessor in order to produce an unusually s
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