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York Jong

MECHANICS - ROBOT CHASSIS CONSTRUCTION - 0 views

www.societyofrobots.com/nics_chassisconstruction.shtml

mechanics robot tutorial wheel

shared by York Jong on 31 May 07 - Cached
  • Large diameter wheels give your robot low torque but high velocity. So if you already have a very strong motor, then you can use wheels with larger diameters.
  • But if your motor is weak (such as if it does not have any gearing), you want to use a much smaller diameter wheel. This will make your robot slower, but at least it has enough torque to go up a hill!
  • Wheel width. You do not want it too wide as it causes increased resistance to rotating the wheel on a surface.
  • ...1 more annotation...
  • Make sure you get a motor which already has a gear box attached, as it makes your robot much better controlled, more efficient, and stronger.
  • York Jong on 31 May 07
     
    This robot tutorial should help you with the mechanical aspect of building your very first robot. You should have already read my build your first robot tutorial before moving on to this tutorial.
York Jong

How to make Tactile Sensors! - 0 views

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

4star beam feeler robot sensor

shared by York Jong on 27 May 07 - Cached
  • York Jong on 27 May 07
     
    What you need.... * "2 paper clip * 'Click type' pen * Sheet of paper * Thin piano wire * Soldering iron * Solder * Wire clippers * Tape
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

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

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

自製感應器 - 56 views

作者: Mick (大寶GO！GO！GO！) 看板: Robotics 標題: Re: 自製感應器 時間: Thu Nov 2 22:43:03 2006 ※ 引述《ykjiang (York)》之銘言： > 感應器是機器人很重要的一環，之前看過有利用包裝電子產品的 > 導電海綿壓縮後電阻會改變這一點，自製了感壓的 sensor 。 > 此外，很實用的機器鬍鬚，可感測障礙物： > Obs...

diy sensor

started by York Jong on 28 May 07 1 follow-up, last by York Jong on 28 May 07
York Jong

Ray's Solder-less Motor Mount Tutorial - 0 views

raysbeambots.solarbotics.net/MotorMount.htm

5star beam diy motor nonsolder photopopper phototrope photovore robot toturial trick

shared by York Jong on 28 May 07 - Cached
  • attach your Pager Motors to your Popper using two Fuse Clips, two Small Paper Clips, and no solder
  • ...7 more annotations...
  • Set one straightened paper clip aside, you will use it at the end. Bend the two tips of one of the two paper clips as shown.
  • Put it in through the fuse clip like this, but make sure the notch in the fuse clip is facing out. (The clip has one edge bent inwards. This is the part that has to face outwards). Study this next picture closely.
  • From the position above, bend the paper clip up and then around the lead of the fuse clip as in the next picture.
  • Bend the paper clip under the fuse clip...
  • then up and over the fuse clip:
  • then around its other lead and you're almost done with the first fuse clip.
  • First clip -- wire is on the RIGHT side of the fuse clip leads... Second Clip -- wire is on the LEFT side of the fuse clip leads... But remember to make sure the notch in the fuse clip is facing out. (The clip has one edge bent inwards. This is the part that has to face outwards).  Follow all the steps above with the second clip and you get this:
  • York Jong on 28 May 07
     
    I'll show you how to attach your Pager Motors to your Popper using two Fuse Clips, two Small Paper Clips, and no solder.
York Jong

Ray's Fred FLED Photopopper Tutorial - 0 views

raysbeambots.solarbotics.net/FLEDtutorial.htm

beam diy photopopper phototrope photovore robot toturial trick

shared by York Jong on 28 May 07 - Cached
  • It's practically impossible to solder the FLEDs straight using only your hands
  • This part is rather tricky because there's so little space between the Solar Engine and the 3300uF Cap. -- You can leave more space here if you like, but it just looks better if you keep it all nice and tight
  • Find two FLEDs with the same (or very similar) resistance
York Jong

Maxibug, Minibug, Microbug - 0 views

home.wanadoo.nl/...maxibug.htm

5star 74x14 beam circuit diy electronics maxibug photopopper phototrope photovore robot tutorial

shared by York Jong on 27 May 07 - Cached
  • It is powered with two 3.3F Goldcaps. They can be charged in a few seconds. When they are charged, MAXIBUg gets "afraid" of light, and wanders of to go to play "in the dark". After a while, about 20 seconds (depending on the current used by the two motors ), the power has dropped, and it wants to "eat". It gets light attracted, and will turn and go to the light. When it gets there, it will recharge and still will be atrackted to the light until it reaches a trigger voltage , at which it gets "afraid"of the light again. This will go on all day until someone turns off the lightsource. While doing all this it also will backup when bumping into something.
  • Because of the "on-off" output of the first schmitt trigger, the inputs for the LDRs will switch. That's why it gets light atracted -light afraid. This also means that you cannot use IR diodes (like SHF205). You have to use LDRs !
  • ...2 more annotations...
  • The change in output is visualised with two red LEDs. When the LEDs are burning, the bot is "afraid" of light. They are mounted as eyes off the bot, that's why I used two off them. One LED will do also, but doesn't look nice !
York Jong

Short Period Astetics Intelligence - 0 views

home.wanadoo.nl/...others.htm

5star beam circuit diy electronics phototrope photovore robot tutorial

shared by York Jong on 27 May 07 - Cached
  • These bots are powered by a Gold Cap and for a period of about one minute they move, always looking for the brightest lightspot, so in fact they will even follow a lightsource.
  • All these bots are powered by a 3,3F Gold Cap ( F= farad). You can charge them with a regulated power supply
  • the two 5 mm red LED's it is capable of following a light source.
  • ...8 more annotations...
  • When ALI bumps into something it will go backward for a short time and then go forward in another direction, so they will find their way all alone.
  • The first one is a light seeker and the second one is a line follower. This version I like very much.
  • When you are making the line follower you need to place the small light bulb. The light seeker doesn't need it.
  • When bumbing into something it can also reverse for several seconds. The time of going reverse can be changed. I've used 2M2 and 3,3 uF, this will give a reverse time of about 5 seconds
  • For the LED’s you can almost use any type or color, I used red ones 5 mm.
  • When you "power on" Bully it will first go backwards for some time. After a few seconds it seems that it doesn’t know what to do, it looks like it’s shivering. Then it starts of going to the brightest lightspot it can see, first slowly and then like "in a hurry". When it reaches the lightspot it makes turns which make it look like it’s happy! In the time doing all this stuff, each bump into a obstacle makes it move backwards for a few seconds. The time doing this can be changed with the 10 uF elco. Smaller means less seconds and bigger means reversing for more seconds.
York Jong

ACTUATORS - SERVOS - 0 views

www.societyofrobots.com/actuators_servos.shtml

motor robot servo tutorial

shared by York Jong on 31 May 07 - Cached
  • York Jong on 31 May 07
     
    Servos are DC motors with built in gearing and feedback control loop circuitry. And no motor drivers required!
York Jong

Getting Started With Crickets - 0 views

llk.media.mit.edu/...getting_started.html

cricket logo robot tutorial

shared by York Jong on 09 Sep 07 - Cached
  • the Cricket's yellow LED flashes when the Cricket is sending infrared signals.
  • You can type any Cricket Logo instruction in the Cricket Logo Command Center, and it will be immediately transferred to the Cricket and executed.
  • ...3 more annotations...
  • the Cricket's green LED light goes on while the Cricket is executing commands.
  • You can "launch" a procedure directly from the Cricket by pressing the white button on the Cricket.
  • You can send information from the Motor/Sensor Cricket back to the computer using the send instruction.
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

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

電池驅動的馬達 - 38 views

作者: ykjiang (York) 看板: Robotics 標題: 電池驅動的馬達 時間: Sun Dec 10 14:33:26 2006 既然聊到了以 PWM 控制馬達， 就順便簡單整理一下常用來驅動機器人的馬達： ※直流馬達（DC Motors） 就是靠直流驅動的馬達。 不同大小的電壓可以控制轉速；不同的通電方向，可以決定轉向。 通常直流馬達都是有刷的（brushed），會...

battery dc motor

started by York Jong on 28 May 07 no follow-up yet
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