Uh...adress change?
I guess that the BEAM list moved to egroups, just testin the waters! -Spencer not a robot scientist not a college major
11
2000. 4. 21. - 21:45:53
RE: efficient launcher?Magnetic acceleration?
hmm, this is interesting.. I m wondering if you could actually get enough force from a beam circuit though. Seems like it would take an awful lot of amperage
2
2000. 4. 21. - 22:29:1
Welcome to beam
-- Welcome to the beam mailing list! Please save this message for future reference. Thank you. If you ever want to remove yourself from this mailing list,
1
2000. 4. 21. - 22:11:15
Re: PM 1
I ve been trying to build a chloroplast SE, for about an hour now, but I can t seem to find the MC34164-x voltage regulators at any of the local shops, are
3
2000. 4. 22. - 0:25:12
Re: Wheels
Du-Bro has just what you want, Check the R/C (radio control) aircraft section of your local hobby shop. They make solid and pnuematic tires. Aircraft parts
1
2000. 4. 21. - 23:32:54
Re: My Poor Walker (Its kicking its legs around like awild....)
... I ll be the first to say it ... if you have a 4 Nv loop, use Wilf s circuit. I do. Mine s better suited to big loops, branching networks, etc. Bruce
1
2000. 4. 21. - 23:50:18
Sort of spiffy, actually.
... Actually, I had figured as much, but the start of the message ( I ve added you to... ) looked so much like eGroups standard blurb that... ... indeed I
1
2000. 4. 22. - 0:46:29
Re: Photopopper answers from Ben
I was referring to the Photopopper circuit at Beam-online: http://www.beam-online.com/Robots/Circuits/circuits.html (don t click the link to photopopper, just
2
2000. 4. 22. - 1:14:45
OLD components
My dad just gave me a huge amount of assorted semi-conductors, and I m trying to figure out if any of them are useful. He s from back in the day , and so
2
2000. 4. 22. - 1:11:45
Just a thought piece...
Perhaps it will bring some inspiration. It is a revision of something I wrote last June. Pray, do not take it too seriously.
1
2000. 4. 22. - 1:21:58
Galvanic Action to power BEAM devices
Greetings; I am curious if anybody has fooled around with galvanic action between dissimilar metals in BEAM applications. Thinking about the subject outloud, I
1
2000. 4. 22. - 1:27:54
On the importance of good solder connections
Greetings BEAMers; Sometimes we look at equations and so on, but really can t see what is going on. Im an EE student so this happens to me--Big Time! Here is
1
2000. 4. 22. - 1:32:56
Re: efficient launcher?
Greetings Tan; Great question. The answer is no. Listen: In physics class we learn that in order to turn, an object must either exert a force in the direction
3
2000. 4. 22. - 1:53:39
Re: One more bot
Man that is SWEET! When I grow up, I want to be just like you! ok..jef ... Jeffrey D. Spears University of Michigan College of Engineering ``Double-E, can t
1
2000. 4. 22. - 2:47:15
Re: BEAM-organisation in Belgium
Robot info - www.botic.com/users/robotcentral -William ... From: Patrick Pintens To: Sent: Friday, April 21, 2000
1
2000. 4. 22. - 1:8:52
[OT]Re: 1381's in Australia
Not only do you folks pet kangaroos all day long, you haven t figured out how to make the water swirl in the right direction whilst flushing the toilet! Oh
1
2000. 4. 22. - 3:5:4
Re: [beam] Re: PM 1
Try looking for MC33164 P-3 s... They are a bit more common. I get mine from Active Components. Craig Maynard JCM Electronic Services 3335 Caribou Drive NW
2
2000. 4. 22. - 3:11:40
Re: [beam] OLD components
... I remember those! No coloured rings, right? They have the values printed on them. Did you see a % sign on any of them? I still have a couple of the brown
2
2000. 4. 22. - 3:14:39
Re: [beam] Re: efficient launcher?
Well, since the speed is not big, the projectile could sit in a tube (or whatever railing) and electromagnets surrounding it, couldnt it? i mean, it wouldnt go
8
2000. 4. 22. - 3:24:12
Re: [really OT] not this -> Re: 1381's in Australia
... For a while there it looked like it might end up MSUSAmericans :) Peace! -- Rob No doubt it will all make sense when we re older ‹ Calvin and Hobbes
1
2000. 4. 22. - 4:30:22
Re: Lift potential for motors?
Greetings Xaphiosis; Although I am new to BEAM, I am familiar with torque. While I was taking engineering statics, their came a point in time where I actually
1
2000. 4. 22. - 4:10:24
[alt-beam]Re: One more bot
Jim, Excellent piece of work!!! BTW: Kyle sort of copied your bubble bot. His is a simple: single motor, with a 1381J SE to drive it. By using a micro tape
1
2000. 4. 22. - 7:18:43
[alt-beam] Re: PM 1
Craig, How much for say five or ten boards? Mailed inside Canada. With a 9 yr old doing the soldering there is a high fry factor to consider:) Thx, Dave
1
2000. 4. 22. - 7:20:29
Re: bicore
Hi, Simon. I don t know of any 240 chip that will handle 300 mA. The H-bridge shown at Beam-online can handle about 100 mA comfortably. You can easily modify
27
2000. 4. 22. - 4:15:1
re: silence bot
I heard once the coatings on stealth aircraft are designed to achieve this mechanically. Incomming radar waves are reflected 180degrees out of phase, thus both
1
2000. 4. 22. - 4:36:27
uSERVO3
Here is another design in a series of beam unmodified hobby servo controllers. The uSERVO3 uses just one 74HC14 chip to impliment microcore
1
2000. 4. 22. - 5:27:14
Re: [beam] [alt-beam]Re: One more bot
In a message dated 4/22/00 12:12:10 AM Eastern Daylight Time, ... A Bubblebot symet. Never occurred to me. Sounds like a great idea! I ll have to build a
2
2000. 4. 22. - 6:44:53
Re: [beam] Re: BEAM-organisation in Belgium
thx William ... ________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at
1
2000. 4. 22. - 7:58:44
Re: [beam] On the importance of good solder connections
... So who says gold is that great of a conductor??? It is below most of the medals we now use... The only advantage of gold is in the oxidation protection
4
2000. 4. 22. - 8:21:46
Re: [beam] Re: Lift potential for motors?
Thank you very much, that helped a lot in my understanding of motors ! X.
1
2000. 4. 22. - 9:11:22
Re: [beam] uSERVO3
Wilf, At first glance I wonder if you could replace those four pots with just two? As in, replace two pots per inverter with just one, with the center tap
1
2000. 4. 22. - 10:39:11
was ->OLD components now -> 3lead PTs
Hey Bruce, I just took apart an old mouse, and it had these type of components. I couldn t figure them out. On one side of the encoder wheel was a three pin
1
2000. 4. 22. - 12:50:2
Magnaphobes was:Re: [beam] Galvanic Action to power BEAM devices
Whoa whoa whoa whoa now. I just got a kinda cool idea, robots that are repelled by magnetic fields. It makes sense because a lot of electrical equipment is
2
2000. 4. 22. - 15:32:4
Re: [beam] was ->OLD components now -> 3lead PTs
... If 2 pins are soldered together, it won t be a Schmitt phototransistor: remember, GND, Vcc, and output. You obviously wouldn t connect the GND and Vcc lead
1
2000. 4. 22. - 17:26:55
Re: silence 'bot
I don t know how difficult it will be, as others have suggested, but in the matter of fairness I will give you an answer. Look up common-emmiter amplifiers.
1
2000. 4. 22. - 17:46:26
Solar panel provider
My father recently recieved a magizine in the mail called alternate energy concepts. I check out there web page at http://www.solarelectric.com and found a
3
2000. 4. 22. - 18:31:16
simple solar head
I was wondering, if it s possible to make a solar head by simply attaching two solar engines to one gear motor. The two SEs would be attached to the motor in
5
2000. 4. 22. - 19:40:6
All uk beamers MUST READ THIS
Hey everyone, our prairs have been answered, i have found a place in the uk who sells all the stuff we need ( including the 1381&pager motors!!!!!!!!!!!!!!!:-)
1
2000. 4. 22. - 21:10:48
pneumatic actuators...
well, I designed and (halfway) built a pneumatic actuator today, for a robot i am planning. it seems like a nice way to go for BEAM, if i can find a small air
15
2000. 4. 22. - 21:55:48
FAQ???
Hello everyone, can you guys still get into this one? http://people.ne.mediaone.net/bushbo/beam/FAQ.html I sure can t
1
2000. 4. 22. - 22:27:26
Re: [beam] FAQ???
nope ________________________________________________________________ YOU RE PAYING TOO MUCH FOR THE INTERNET! Juno now offers FREE Internet Access! Try it
5
2000. 4. 22. - 22:42:22
Re: [beam] Re: efficient launcher?Magnetic acceleration?
ya. Or set it up on a microcore with a process initialized. Just make the delay *really* short. The thing is though, how would you get enough amperage to
1
2000. 4. 23. - 3:21:42
Whither The Mailing List?
... You must have a type in there or my DNS servers are ill. But then, AltaVista can t find bbs.counterstrike.com nor counterstrike.com... ... Again, I think
4
2000. 4. 23. - 4:25:17
As usual, I've shown the gratitude of a goat.
Dave Hrynkiw s offer is both generous and gracious. I ve just had too many bad experiences with small ISP s and the bigger ones seem to be working better for
2
2000. 4. 23. - 6:30:5
Raising the trigger voltage on a 1381 SE
Wanting to make a SE that triggers at a fairly high voltage, but lacking parts for a chloro, I was wondering what would be the most efficient way to raise the
2
2000. 4. 23. - 9:10:33
Re: [beam] Raising the trigger voltage on a 1381 SE
What I d do is put some LEDs the right way around (forward, not reverse biased) from the positive rail to the trigger pin. In series of course. Then put a 1M
3
2000. 4. 23. - 10:28:21
News Page
Greetings fellow BEAMers, This might seem an awfull lot like an *gasp* advertisment..probably because that s exactly what it is. This is a blatant plug for my
1
2000. 4. 23. - 17:9:10
Need help with the SIMD1
Ok I got Wilf s SIMD1 circuit all done on breadboard. And just to see if it works I put a LED from the output of the inverter to the Positive. When I let it
4
2000. 4. 23. - 17:45:16
RE: [beam] Need help with the SIMD1
There are several versions of this circuit, so you ll have to tell me a little more about the breadboarded components, pin numbers and LED orientation. wilf
3
2000. 4. 23. - 17:57:26
Re: [beam] [alt-beam] Re: PM 1
No charge... Just postage if you wouldn t mind: a stamp. Craig Maynard JCM Electronic Services 3335 Caribou Drive NW Calgary, Alberta, Canada T2L-0S4 (
5
2000. 4. 23. - 19:26:42
BEAM Test
Hey All, It seems that the old address is dead, anyone know what happened? Or did everyone go on vacation at once. Later, Dave
1
2000. 4. 23. - 23:40:0
Re: [beam] BEAM Test
... Our friendly list manager / co-ordinator / moderator changed jobs. Understandably, his ex-employer didn t want to support the BEAM list on their own
2
2000. 4. 23. - 20:39:24
HELP!!!
hey everyone, I have just joined this mailing list, and want to start building, and I woulk like to know what would be the best thing to start with? I ve heard
1
2000. 4. 23. - 22:13:24
[repost] incase it got lost.
A while back someone posted a link to an SE that only used transistors, I seem to have lost the link and cant find the email regarding the circut. Anyone know
1
2000. 4. 23. - 22:36:52
Ultimate Beam () was: [beam] pneumatic actuators...
I was thinking about an earlier message that talked about effecientcy of energy conversion. Think about this, imagine having a fairly large (to house all the
6
2000. 4. 24. - 1:59:53
Re: [beam] News Page
In a message dated 4/23/00 12:10:35 PM Central Daylight Time, turtletek@aol.com writes:
1
2000. 4. 24. - 2:4:58
Re: [beam] HELP!!!
Nice to have another BEAMer on board! Welcome. My advice would be to build a photovore, a light seeking solar powered robot,
7
2000. 4. 24. - 2:14:12
Re: [beam] [repost] incase it got lost.
In a message dated 4/23/00 5:31:53 PM Central Daylight Time, andrew@best.net.nz writes:
1
2000. 4. 24. - 2:17:30
problems
Hey every one I was working on walker that sences and the light and at cetian times recharges the battery when the light is bright enough, but the plans say to
1
2000. 4. 24. - 2:29:7
finding used solarcells
I m new to BEAM and would like to know where I can find and salvage used solarcells. I know about salvaging many parts from walkmans etc. but have not found a
1
2000. 4. 24. - 3:2:45
Re: [beam] finding used solarcells
Sure thing, solarcells are very easy items to get a hold of. Very simple: solar calculators. These can be bought at semi-low prices nearly anywhere. People
11
2000. 4. 24. - 3:40:51
[beam]Re: One more bot
Jim, Kyle s is not quite weather proof, he tried but his hands are just not steady enough at this point. He decided to go with a symet to get some practice
1
2000. 4. 24. - 8:0:53
RE: The sensitivity of a 74XX240
That s odd, I ve been torturing my 74xx240 s and 74xx14 s quite a lot (soldering / reverse polarity) and I haven t killed one yet. - Thomas
1
2000. 4. 24. - 11:11:38
RE: Dummy Walker
Hi Ben, I can t wait to try out your dummy walker :) However, I have a (possibly dumb) question on how to identify the trimpots in the servo. I ve got a coupla
2
2000. 4. 24. - 11:11:26
Shaver
Just went to a flea market and bought a cheap looking taiwan ten year old, but in the box-never-used shaver for 3 dollar. That got me a motor, a charger and a
1
2000. 4. 24. - 12:31:39
Rolling back
I have a walker wit one motor horizontally mounted and the other about vertically.(miller style? chyu style?) It struck me how easy it can be midified to get
1
2000. 4. 24. - 12:38:5
Another mail by bas
I m having these problems with my walker: The motors run faster when I just hook them up to the batteries than they do with the H-bridges. Would lowering the
1
2000. 4. 24. - 12:58:7
Re: [beam] RE: Dummy Walker
Could somebody give me some good info on hobby servos, i want to make that next walker with that circuit, but how exactly are these servos hooked up? -Spencer
5
2000. 4. 24. - 14:48:0
Re: [beam] Another mail by bas
Go find a multimeter and check the amps out and voltage out on the H-bridge, maybe something isn t getting driven enough. -Spencer
2
2000. 4. 24. - 14:51:25
Re: [beam] The biggest problem with pneumatics
most of this stuff is bigger than BEAM-ish size preferences but there is a great selection of solenoid valves at C&H Sales : http://aaaim.com/ Wyzyrd
3
2000. 4. 24. - 15:21:6
Chloroplast ordering was Re: [beam] [alt-beam] Re: PM 1
How do we go about ordering these from you? -Spencer not a robot scientist not a college major not a grad student not a
2
2000. 4. 24. - 16:8:59
Spring loaded launcher.
I was thinking about how you could get a spring loaded launcher to release quick enough to make it fly-it s Easter, and I opened up a plastic egg and it had a
1
2000. 4. 24. - 17:45:52
What happens when motor load outstrips drivers?
What happens when your motor drivers (eg 74HC based) can supply 50mA, and the load on your motors would prefer 100mA - does the motor just work with the 50mA
1
2000. 4. 24. - 18:27:4
Re: [beam] Re: Need help with the SIMD1
In a message dated 4/24/00 1:13:45 PM Eastern Daylight Time, ... Which 240 chip did you use? The HCT will behave like that when your storage cap gets below the
2
2000. 4. 24. - 19:24:28
Re: [beam] Shaver
... want to read that sentence again? ... miguel
3
2000. 4. 24. - 20:3:43
On FRED's phototropism
... or the lack of it perhaps. My FRED popper tends to be more phototropic when placed on certain materials than others. Mainly non-reflective white surfaces
1
2000. 4. 24. - 20:22:9
Re: [beam] What happens when motor load outstrips drivers?
... your motors are gonna try to draw all the current they can, (even to their own demise) - try hooking a LED to five volts without a current limiting
2
2000. 4. 24. - 22:38:22
Re: [beam] On FRED's phototropism
i really want to try one of them FREDS, could somebody give me the URL of that FRED tutorial again. Thanks -Spencer not a
17
2000. 4. 24. - 22:17:19
Photoelectric cell experiment
All, http://scitoys.com/scitoys/scitoys/echem/echem3.html#flatpanel shows how to make a rough solar panel. It produces microamperes but still tickles my
1
1999. 11. 15. - 10:48:37
555 & 139 = easy photobot
What do you get when you combine the brain of a Cybug and a Z-bridge motor driver w/ reversing? Don t know exactly, but it works VERY WELL and is VERY
2
2000. 4. 25. - 7:22:26
Re: [beam] 555 & 139 = easy photobot
nice, a z-bug! Now all we need is to solarise it chloroplast should do the trick, use the cmos 555 s too, use much less power. David ----- Original Message
3
2000. 4. 25. - 7:42:15
Re: [beam] Re: Photopopper answers from Ben
You were right in reposting this message. So many things to do, so little time.... Yes, the leads are connected near the 1381. Otherwise, as you said, the
1
2000. 4. 25. - 12:29:6
Human resistance and the microcore
Hello ... I don t know if this is any use, but today I replaced one of the 1Mohm resistors in my microcore circuit with my finger (!), and discovered that it
2
2000. 4. 25. - 13:26:15
Unicore
Duh, stupid question... but what IS a unicore? I saw the schematic but didn t understand. Is it a bicore with some frills ? It also seems like it can drive
8
2000. 4. 25. - 13:6:49
Capacitor question
I would like to if you have more than one capacitor and would like to put them together to increase the capacitance. Whould you put them in series or
11
2000. 4. 25. - 17:11:38
chui's photovore
Just wondered if any of u have hadsuccess out of this tutorial as i am thinking of trying it?? Also do any uk beamers live anywhere near bristol?? from si lord
2
2000. 4. 25. - 16:16:33
ANOTHER DOOMSDAY ----- WILL U SURVIVE
On May 4-5 ( Late night of 4th and early Hours of 5th ) we can witness a Celestial Miracle that occurs once in 5000 Years. All the planets in our solar system
16
2000. 4. 23. - 10:19:34
Re: [beam] Another mail by bas(for spencer)
I have one (multimeter)! Of coarse! What x-actly do you mean? I don t understand (dutch) driven enough thanx ...
3
2000. 4. 25. - 18:56:39
Re: [beam] chui's photovore
This was one of the first Beam Bots I built, and I am very happy with it. http://www.geocities.com/leemon1/Bots/Beam/HIW_FL.jpg The tutorial is excellent. If
7
2000. 4. 25. - 18:56:58
No-one has told alt-beam that the list was moving...
I don t how the people subscribed to the list were told (if at all) that it was moving, but as I never saw any sort of indication (I read it via the egroups
2
2000. 4. 25. - 20:0:32
Re: [beam] No-one has told alt-beam that the list was moving...
... This message was sent to all the subscribers to the beam list last Friday. ... The ---.sgi.com address is no longer valid, because our moderator doesn t
1
2000. 4. 25. - 20:30:1
Cheap pagers again...
Snip from the SRS monthly minutes: Electronic Goldmine has a bunch [of pager motors] for about $1 each. I m not sure about the URL -William
1
2000. 4. 25. - 19:7:12
Adaptobotics back up......sorta
go check out adaptobotics. The site works but it s not really adaptobotics. __________________________________________________ Do You Yahoo!? Send online
1
2000. 4. 25. - 22:2:16
Re: [beam] Human resistance and the microcore
I m making a synthisizer with the bicore that will use fingertip resistance to alter the tone. that s one idea that i ve been working on with that -Spencer
1
2000. 4. 25. - 22:13:15
[beam] Solar roller battle event........
Yall, I have a new idea for a Solar roller battling event! I remember a g Destruction derby in one level, you were in a bowl shaped arena, your goal was
3
2000. 4. 25. - 23:21:1
Re: [beam] Capacitor question
parralel. here s why What makes a cap store more current. distance right? no, the surface area. think of the construction of a cap, two metal films seperated
2
2000. 4. 25. - 22:19:26
Re: [beam] newbie questions...
you can look on the internet for stuff, or buy a book. I bought a radio shack book called Basic Electronics it s a pretty good resource to have. All i can
4
2000. 4. 25. - 22:28:7
BEAM shopping
For all the BEAMers in the Toronto area: ActiveSurplus in downtown is now offering those nice RM1 motors for $1.50 CAN, 2422 suncerams solar cells for $2.50
1
2000. 4. 25. - 22:46:1
re: Another silly post about terminology.
... I know this is off topic but having lived in Mexico for a long time I just CANT let that one by. Mexicans do NOT call US citizens Americanos . They feel
1
2000. 4. 25. - 23:53:32
Re: [beam] Cheap pagers again...
www.goldmine-elec.com jay z (the keeper of addys)
1
2000. 4. 26. - 2:39:1
Re: [beam] BEAM shopping
allelectronics(www.__.com) had 6 by 6 solar cells.for about 5.25$...also , i went to lowes hardware store today to look for some stuff...needless to say , i
1
2000. 4. 26. - 2:44:45