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Messages 53398 - 53428 of 59745   Oldest  |  < Older  |  Newer >  |  Newest
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53398
Thanks Wilf, Dave and Leo. I think I'm getting the idea. Cheers Jo...
Joseph Charles
jodicalhon
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Apr 1, 2006
9:51 am
53399
The following beam poll is now closed. Here are the final results: POLL QUESTION: Do you believe that "Spyder" _learns_ to walk? CHOICES AND RESULTS - Yes,...
beam@yahoogroups.com
Send Email
Apr 2, 2006
9:28 am
53400
So folks especially those that regularly attend my Buildfests but because of personal reasons I will not be able to host a Buildfest this month. Cheers, Steve...
Bug'n'Bots
cymdad
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Apr 2, 2006
1:00 pm
53401
I'm wanting to build a circuit that I can up with but I need to transmit data to a reciver and have it activate a buzzer. the problem lyes in that i'm not sure...
luggin76
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Apr 3, 2006
11:58 pm
53402
I'm wanting to build a circuit that I can up with but I need to transmit data to a reciver and have it activate a buzzer. the problem lyes in that i'm not sure...
luggin76
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Apr 4, 2006
12:02 am
53403
There are several types of remote control systems. Some, like TV remotes, use InfraRed (IR) beams. Some, like the "clapper", use sound and others, like garage...
wilf
wilf_nv
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Apr 4, 2006
2:30 am
53404
The trans and rec. will be about 25 to 75 feet apart and it wont have line of sight. ... remotes, use InfraRed (IR) beams. Some, like the "clapper", use sound...
luggin76
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Apr 4, 2006
6:45 pm
53405
Hi Wilf, This is a marginal BEAMish question, but to keep it on track, lets's assume that I want to use the BEAM stepper motor driver circuit with heavy duty...
mycroft2152
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Apr 5, 2006
10:51 am
53406
I'm just starting out with electronics. It is a lot to learn. I try. I learned which pins are E,B and C. It was easy. Hold flat side to you and they are...
Henrik Pettersson
hempa_pett
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Apr 5, 2006
12:00 pm
53407
Hi Henrik I have not tried this, (maybe I should!), so I cannot say if it will actually work. Still, it's an idea. Your solar cell may be able to slowly charge...
Joseph Charles
jodicalhon
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Apr 5, 2006
1:36 pm
53408
... And some are ordered C,B,E. And some are ordered B,C,E. (Or is that B,E,C?) What I'm saying is, you've got to check the datasheet for your component to...
Joseph Charles
jodicalhon
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Apr 5, 2006
1:41 pm
53409
That was way to advanced for me in such abstract form. If you try it out later please let me know. I was surprised that I couldn't find anything about this on...
Henrik Pettersson
hempa_pett
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Apr 5, 2006
2:06 pm
53410
Hello Henrik.. Have you tried to add a bigger capacitator? If you want to lift the voltage a zenerdiode could be used (or perhaps a voltage regulator?), but I...
Lichtermann Johan
johanlich
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Apr 5, 2006
2:29 pm
53411
Have you thought about hacking those ZipZaps or other cheap RC toys? Just need to add a transistor input on one of the transmitter controls, and another one at...
tek465m
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Apr 5, 2006
2:39 pm
53412
Hi Myc, Depends on the type of stepper of course. For a unipolar stepper, FETs or Darlingtons are often used. For bipolar steppers, an integrated h-bridge is...
wrigter
wilf_nv
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Apr 5, 2006
5:44 pm
53413
Seems like first reply didn't make it. Sorry if this becomes a double post. Original message: That was way to advanced for me in such abstract form. If you try...
Henrik Pettersson
hempa_pett
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Apr 5, 2006
5:46 pm
53414
Hi Wilf, I have 2 sets of steppers NEMA 17 and NEMA 23's. Both are unipolar. NEMA 17 -- 8.56 volts 26.5 ohms 0.323 amps NEMA 23 -- 4 volts 3.3 ohms 1.2 amps ...
mycroft2152
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Apr 5, 2006
6:21 pm
53415
Looking into it right now! Thanks! /Henrik ... From: "Lichtermann Johan" <johanlich@...> To: <beam@yahoogroups.com> Sent: Wednesday, April 05, 2006 4:29...
Henrik Pettersson
hempa_pett
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Apr 5, 2006
6:26 pm
53416
There was an article in Poptronix (now Nut & Volts) a few years ago that talked about using a charge pump for solar panels. (Like Jo suggests) But I think...
tek465m
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Apr 5, 2006
7:34 pm
53418
Thanks for the help. More panels seemed easiest so I have just killed three calculators for their cells. Well not killed, more like eviscerated. I have a...
Henrik Pettersson
hempa_pett
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Apr 5, 2006
8:23 pm
53419
Saw both replies, thanks Henrik. You're welcome, sorry I wasn't more help....
Joseph Charles
jodicalhon
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Apr 6, 2006
12:23 pm
53420
If you are looking for a niffy project you might want to try building a "Rainbow Drive", a solar powered device which when hung by a suction cup thingy in a...
Michael Moravan
michael_moravan
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Apr 6, 2006
8:46 pm
53421
Hey Mike, How about some photos? Myc ... (http://www.edmundoptics.com/onlinecatalog/displayproduct.cfm?productID=1 ... ...
mycroft2152
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Apr 6, 2006
9:51 pm
53422
A front and back view of a Rainbow Drive are now in this Group's Photo area under the name Rainbow Drive...
Michael Moravan
michael_moravan
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Apr 6, 2006
11:18 pm
53423
Dear Friends, Adhesive Theater Project would like to personally invite you to our first ever Robot Parade, on Saturday, April 22nd at noon at Empire- Fulton...
jujuberry2004
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Apr 7, 2006
2:22 am
53424
Finally here she is... http://www.computerfreaks.pwp.blueyonder.co.uk/beam/queen.html I will do a proper write up on it soon, this is just a release for people...
Tom Elner
ee0u30eb
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Apr 7, 2006
6:46 pm
53425
Nice job Tom, Paul and Stuart! Looks like the two waist motors are driven from the same motor driver. MS-Bicore by any chance? With each "pair" of legs...
wrigter
wilf_nv
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Apr 7, 2006
10:12 pm
53426
Thanks Wilf, The circuit is just a master bicore up front controlling the first leg pair, this signal is then replicated on the rear leg. The central legs use...
Tom Elner
ee0u30eb
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Apr 7, 2006
10:41 pm
53427
... http://www.computerfreaks.pwp.blueyonder.co.uk/beam/queen.html ... people to see what it looks like. It is a joint project by myself, Paul Rimmer and...
Wayne Christensen
waynec122149...
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Apr 7, 2006
11:37 pm
53428
Hmmm... I have just tried to upload one file, but it says "The disk space allotted for this community is not big enough for your file. " Heres some direct...
Tom Elner
ee0u30eb
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Apr 8, 2006
12:24 am
Messages 53398 - 53428 of 59745   Oldest  |  < Older  |  Newer >  |  Newest
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