Search found 236 matches

by chessman
Sun Jun 15, 2003 4:48 pm
Forum: General Discussion
Topic: data books
Replies: 5
Views: 1917

Re: data books

OnSemiconductor gives out free databooks for their entire line of products. They have free shipping too!<p>www.onsemi.com
by chessman
Sun Jun 15, 2003 10:26 am
Forum: General Discussion
Topic: Electronics Simulation Software
Replies: 21
Views: 7764

Re: Electronics Simulation Software

I prefer Proteus over anything else...it's insanely full featured!!!! Unfortunately, it's upwards of a grand!<p>I use CircuitMaker currently....and I can give anyone a copy if they want.....it's the full version along with TraxMaker too :)
by chessman
Thu Jun 12, 2003 9:10 am
Forum: Robotics
Topic: Robot Control
Replies: 15
Views: 7888

Re: Robot Control

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by Matt: The FCC will be after you. Local HAMs would track the interferance to your location and the FCC would be knocking on your door with a fine. <hr></blockquote><p>I highly doubt that.<p>The radi...
by chessman
Wed May 28, 2003 10:43 am
Forum: Robotics
Topic: Bit serial networks.
Replies: 8
Views: 3641

Re: Bit serial networks.

Hey Harold, I'll check my JMC catalog when I get home today.<p>I might be able to point you in the right direction, they have enough different types of connectors to fill a warehouse!!!
by chessman
Tue May 20, 2003 1:28 pm
Forum: General Discussion
Topic: Almost a Beam ORGY!
Replies: 4
Views: 1465

Re: Almost a Beam ORGY!

Are any more of them there???<p>I might want a few of em :D
by chessman
Tue May 20, 2003 1:25 pm
Forum: General Discussion
Topic: Pager Application
Replies: 14
Views: 3993

Re: Pager Application

I think it'd be pretty easy to have the buzzer or vibrator control a transistor. That transistor would be able to pull the remote start button either high or low....
by chessman
Sat May 10, 2003 12:27 pm
Forum: General Discussion
Topic: Blinking LED stops blinking?
Replies: 17
Views: 5241

Re: Blinking LED stops blinking?

680 ohm resistor.<p>Good call Russ ;) I didn't know that.
by chessman
Sat May 10, 2003 12:26 pm
Forum: General Discussion
Topic: Car stereo buzz problem
Replies: 8
Views: 2664

Re: Car stereo buzz problem

Are you trying to plug the AC adapter into the car?
by chessman
Sat May 10, 2003 1:07 am
Forum: General Discussion
Topic: Blinking LED stops blinking?
Replies: 17
Views: 5241

Re: Blinking LED stops blinking?

I use 680 for LEDs on automotive circuits....seems harmless enough.
by chessman
Thu May 08, 2003 9:13 am
Forum: Robotics
Topic: air muscles
Replies: 3
Views: 2224

Re: air muscles

I've seen some new pistons that use SMA wires, but it puts a rigid surface to them. They're just like pneumatic cylinders but they're operated solely by applying the current. It's pretty nice if you don't want to worry about the mountain of the SMA wires.<p>The only problem I have with air muscles i...
by chessman
Tue Apr 29, 2003 9:24 pm
Forum: General Discussion
Topic: Senior project idea
Replies: 11
Views: 2854

Re: Senior project idea

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by Greg: Chess,<p>When is your project due? Are you still needing the CC schematic??<p>g <hr></blockquote><p>The project's due at the end of June...<p>I'm not needing the schematic since L. Daniel Ros...
by chessman
Tue Apr 29, 2003 8:28 am
Forum: General Discussion
Topic: Older cpu fans with the round thing on the wire
Replies: 2
Views: 1020

Re: Older cpu fans with the round thing on the wire

They'll draw what they can handle/need. As long as the voltage is correct. Check for "12V" somewhere on the fan's label. If it says "5V" it'll be toast, unless you rig up a voltage drop.<p>The round thing is called a "choke" it's a ferride core that, when the wire is wrapped around it, helps reduce ...
by chessman
Mon Apr 28, 2003 1:56 pm
Forum: General Discussion
Topic: fast high current transistors
Replies: 27
Views: 6471

Re: fast high current transistors

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by Chris Smith: However, a warning to your volt meter, never comnnect it to the out put of high voltage of 100 volts or so, at extreame speeds of mega hertz. <p>The voltage will walk right up the circ...
by chessman
Mon Apr 28, 2003 9:53 am
Forum: General Discussion
Topic: Video Camera Detector Schematic?
Replies: 27
Views: 6413

Re: Video Camera Detector Schematic?

I'm curious in what it's like if you reverse engineer it....
by chessman
Thu Apr 24, 2003 9:18 pm
Forum: General Discussion
Topic: Senior project idea
Replies: 11
Views: 2854

Re: Senior project idea

K guys, thanks for the help, I need to know how to do those CC supplies cause I really need to get the wiring going....<p>If I can't figure it out I'll stick with the CL NPN and resistor...