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...
53427
Wayne Christensen
waynec122149...
Apr 7, 2006 11:37 pm
... 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...
53426
Tom Elner
ee0u30eb
Apr 7, 2006 10:41 pm
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...
53425
wrigter
wilf_nv
Apr 7, 2006 10:12 pm
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...
53424
Tom Elner
ee0u30eb
Apr 7, 2006 6:46 pm
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...
53423
jujuberry2004
Apr 7, 2006 2:22 am
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...
53422
Michael Moravan
michael_moravan
Apr 6, 2006 11:18 pm
A front and back view of a Rainbow Drive are now in this Group's Photo area under the name Rainbow Drive...
53421
mycroft2152
Apr 6, 2006 9:51 pm
Hey Mike, How about some photos? Myc ... (http://www.edmundoptics.com/onlinecatalog/displayproduct.cfm?productID=1 ... ...
53420
Michael Moravan
michael_moravan
Apr 6, 2006 8:46 pm
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...
53419
Joseph Charles
jodicalhon
Apr 6, 2006 12:23 pm
Saw both replies, thanks Henrik. You're welcome, sorry I wasn't more help....
53418
Henrik Pettersson
hempa_pett
Apr 5, 2006 8:23 pm
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...
53416
tek465m
Apr 5, 2006 7:34 pm
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...
53415
Henrik Pettersson
hempa_pett
Apr 5, 2006 6:26 pm
Looking into it right now! Thanks! /Henrik ... From: "Lichtermann Johan" <johanlich@...> To: <beam@yahoogroups.com> Sent: Wednesday, April 05, 2006 4:29...
53414
mycroft2152
Apr 5, 2006 6:21 pm
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 ...
53413
Henrik Pettersson
hempa_pett
Apr 5, 2006 5:46 pm
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...
53412
wrigter
wilf_nv
Apr 5, 2006 5:44 pm
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...
53411
tek465m
Apr 5, 2006 2:39 pm
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...
53410
Lichtermann Johan
johanlich
Apr 5, 2006 2:29 pm
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...
53409
Henrik Pettersson
hempa_pett
Apr 5, 2006 2:06 pm
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...
53408
Joseph Charles
jodicalhon
Apr 5, 2006 1:41 pm
... 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...
53407
Joseph Charles
jodicalhon
Apr 5, 2006 1:36 pm
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...
53406
Henrik Pettersson
hempa_pett
Apr 5, 2006 12:00 pm
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...
53405
mycroft2152
Apr 5, 2006 10:51 am
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...
53404
luggin76
Apr 4, 2006 6:45 pm
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...
53403
wilf
wilf_nv
Apr 4, 2006 2:30 am
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...
53402
luggin76
Apr 4, 2006 12:02 am
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...
53401
luggin76
Apr 3, 2006 11:58 pm
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...
53400
Bug'n'Bots
cymdad
Apr 2, 2006 1:00 pm
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...
53399
beam@yahoogroups.com
Apr 2, 2006 9:28 am
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,...
53398
Joseph Charles
jodicalhon
Apr 1, 2006 9:51 am
Thanks Wilf, Dave and Leo. I think I'm getting the idea. Cheers Jo...
