Alt-BEAM Archive
Message #12550
To: beam@sgiblab.sgi.com
From: StickG@aol.com
Date: Sun, 26 Mar 2000 08:56:54 EST
Subject: [alt-beam] Re: 2 new bots
That seems all well and good, but how do you implement an Nu exactly? is it
attached in a loop with the Nv's or does it feed directly into the Nv itself?
also, I posted this earlier but got no responses, If i use wilf's power smart
head as a controller for Ian's complete walker, will the thing reverse if
it's sensor is tripped and bypass the controller inputs?
thanks
stick
12551 Sun, 26 Mar 2000 08:59:08 EST [alt-beam] Re: Cap across the motor leads?? beam@sgiblab.sgi.com StickG@aol.com I must be wrong but aren't these things supposed to work with motor noise?
isn't that the "implex" that everyone is interested in?
probably something i missed,
stick
12552 Sun, 26 Mar 2000 09:04:38 EST [alt-beam] Re: LEDs to indicate Bicore operation beam@sgiblab.sgi.com StickG@aol.com can't u just attach the long lead to the circuits motor output and then a
suitable resistor on the other end of the diode, then connect that to ground?
seems to work on mine...
stick
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12554 Sun, 26 Mar 2000 07:54:44 -0800 (PST) [alt-beam] Re: Cap across the motor leads?? beam@sgiblab.sgi.com Evan Dudzik okay, this is a common thing especially among r/c cars
and planes and boats... they are for leveling out the
voltage spikes, etc. to the motor, they keep the
motor running off a smoother voltage/current...
--- Meabadboy@aol.com wrote:
> In a message dated 3/26/2000 12:14:32 AM Eastern
> Standard Time,
> sparkyg@seark.net writes:
>
> << remember to tell him to put a .01uf cap across
> his motor leads. >>
>
> Hi,
>
> I know partially why you do this, noise, ect. ~ but
> the other day I tore
> apart a small toy airplane that the kids hve long
> sence quit playing with for
> parts ~ the plane was in the shape of a f-15 and had
> a small gearbox with a
> front and rear flashing lights ~
>
> Anyway the motor had a Resistor sodered to each post
> on the motor (22 ohm) ~
> but there was 3 caps sodered to the motor as
> follows:
>
> 1 cap was sodered between the posts of the motor had
> a #102 (small disk cap).
> 2 caps were sodered with one of the leads to the
> case at a common point of
> the motor and one to each of the posts so that each
> post went to a common
> point of the metal case of the motor thru a #102
> disk cap
>
> why did they do that? ~ is there a purpose to
> this???
>
> Steve
>
>
=====
+------------------------+
|http://surf.to/photovore|
|Photovores online! |
|Evandude Dudzik |
+------------------------+
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12555 Sun, 26 Mar 2000 12:13:06 EST [alt-beam] Re: BEAMant {fin} beam@sgiblab.sgi.com BUDSCOTT@aol.com Right now i'm running my u-core circuit with 4.8 VDC, however you shouldn't
need a whole lot more than that, the reason i'm boosting my voltages is to
compensate for voltage loss in the circuit (my motors are touchy for some
reason). Hope that answers your question Thomas! Once the circuit is up and
running its quite impressive with its behavour It really just depends on how
much you think you need to put in the circuit.
12556 Sun, 26 Mar 2000 12:23:04 EST [alt-beam] Re: BEAMant {fin} beam@sgiblab.sgi.com BUDSCOTT@aol.com Look on http://www.geocities.com/ResearchTriangle/Node/3904/index.html
for
the Ucoba, this is the circuit just with some mixed up values. Have fun!
-Spencer
12557 Sun, 26 Mar 2000 20:11:03 +0200 [alt-beam] Re: BEAMant {fin} "Thomas Pilgaard" Thanks for replying (Jim too),
I was hoping to run it with Namiki 1701's at around 2.5 - 2.9 volts. Hrmph,
I really gotta get a powersupply and a multimeter.
- Thomas
> Right now i'm running my u-core circuit with 4.8 VDC, however you
> shouldn't
> need a whole lot more than that, the reason i'm boosting my
> voltages is to
> compensate for voltage loss in the circuit (my motors are touchy for some
> reason). Hope that answers your question Thomas! Once the circuit
> is up and
> running its quite impressive with its behavour It really just
> depends on how
> much you think you need to put in the circuit.
>
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