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Jan16-12 Greg Bernhardt
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 30,321
I came across another good search engine today looking for a datasheet, so I thought I'd try starting this thread for...
Dec3-13 12:53 AM
doubtbook
27 56,567
ansoft, maxwell Sticky Thread Pinned: Maxwell 3D (ANSOFT) ( 1 2 3 ... Last)
Dear all, I'm a new user and I like to exchange information about the use of this tool. From my point of view tool...
Jul5-14 05:32 AM
hussain_aamir
193 89,661
I've occasionally been asked by some of the students I've mentored or TA'd over the years, "What's in your toolbox? ...
Jul13-14 10:34 PM
NATURE.M
63 79,304
Even as a kid, I saw beauty in old devices. That made me want to understand how they worked. I had lots of old...
Jul21-14 12:14 AM
dlgoff
21 5,957
Hello, I haven't learned anything about micro controllers yet but I wanted to get a head start since I hear that...
Jul21-14 08:30 AM
Windadct
21 7,090
I have a motor that requires a 108 MDF - 110v start capacitor, I found them online at the following site: ...
Mar5-10 12:09 PM
Bob S
1 2,139
Hello all I work at a BC Ski-hill... what I need is a method to quickly but accurately measure the depth of dense...
Mar5-10 04:30 PM
berkeman
2 1,065
Hey. I am trying to use a single quick pulse of about 2.5 mA to run a latching relay. I know that this signal needs...
Mar6-10 11:58 AM
jbord39
3 3,446
A pump did not stop when operator pressed the emergnecy push button. He ran towards another start/stop station and...
Mar6-10 03:20 PM
Bob S
5 1,010
First, I'm not an engineer, so I don't know this topic very well. Anyway, we were covering Fourier Transforms in...
Mar6-10 10:17 PM
Bob S
2 2,445
I am new to electrical engineering, and have several questions involving a project that i have begun. The project is...
Mar7-10 01:48 AM
story645
1 1,403
Hello, I've got a bit of confusions that I would like to clear out. I've tried searching on google, but could not...
Mar7-10 03:04 AM
Surmount
0 1,336
Hi experts, i am wondering if i want to have a few ohms of resistance but does not have any resistor and i use coil...
Mar7-10 07:31 AM
cjameshuff
9 2,031
Hello! There're very thin (4-15 nm) semiconductor films (passive film) formed on stainless steel by electrochemical...
Mar7-10 07:33 AM
fuelcell
2 2,714
Is there a way to turn a non-backlit LCD into a backlit LCD? My TI-89 graphing calculator is difficult to see in dim...
Mar7-10 08:22 AM
ranger
4 2,134
Hello experts, :!!) The following is a diagram posted by a learned forummer and i like to find out what function...
Mar7-10 08:30 AM
ramonegumpert
6 1,916
Hello new to the site and i usually don't post questions but after a few days searching I answered a few and found...
Mar7-10 08:37 AM
dlgoff
1 2,773
I searched practically all of the nets and webs and still my questions are unanswered, so I decided to consult y'all....
Mar7-10 10:40 PM
íMR.AWESOME!
5 14,801
Hello all, This is my first post here, and I've got something that is stumping me. no this is not for homework, My...
Mar8-10 05:30 AM
sophiecentaur
6 1,952
I'm designing my first SBC which will (hopefully) run Linux. The board will have the following: Features:...
Mar8-10 01:08 PM
berkeman
16 25,509
Dear Experts, I would like to solicit your comments about energy saving devices (electric consumption reducer)...
Mar8-10 04:45 PM
berkeman
4 2,591
BasicX-35 http://www.robotshop.com/netmedia-basicx-35-microcontroller.html BX-24 Im a newbie and I saw that the...
Mar8-10 08:35 PM
theodore
0 514
I am working on a project for my electrical engineering lab class, and am interested in learning how to build a led...
Mar8-10 08:49 PM
Daniel3
11 5,092
I am working on a project and need to close a connection when a flat surface is grasped. I found the plans attached,...
Mar8-10 08:53 PM
somekid413
6 772
Hi I've built what is meant to be a non-inverting dc amplifier using a 741 op-amp (shown in attached diagram)....
Mar9-10 06:59 AM
skeptic2
2 1,362
I am a mechanical engineer and am having to do some calculations concerning magnets and solenoids for a project I am...
Mar9-10 11:41 AM
Bob S
4 5,769
Does the Magnetic Power Generator really work??? More information at http://www.magniwork.com/ Thank in advance
Mar9-10 11:46 AM
iluvphysics
2 1,699
Hi there! I am just wondering about the applications of reactance diagram in the real world. What are the uses of...
Mar10-10 03:31 AM
sophiecentaur
3 2,198
Hello, I want to know the physics behind the concept given below. A Transmitter coil(TX) is excited with...
Mar10-10 04:45 AM
pavan413
0 935
I need a list(data numbers) of short range IR emitter and detector(not very expensive) which can be used as a break...
Mar10-10 01:25 PM
Asok
6 6,183
Hello all. I was just wondering if it is possible to use an inverting opamp configuration with feedback to regulate...
Mar11-10 07:19 AM
skeptic2
5 7,458
Hi I'm trying to build a system to generate a spark with sufficient energy to ignite a freely expanding jet of...
Mar11-10 12:32 PM
Bob S
3 905
Hey everyone, At risk of sounding dumb here I go. :uhh: We are designing a basic electrical system that will...
Mar11-10 05:37 PM
Studiot
21 1,599
hi all, Since there 1-phase,2-phase and 3-phase system is existing.Is it possible to have system more than...
Mar11-10 06:08 PM
MThornton
2 923
A Watt transducer has line to line voltages and line currents as inputs. It calculates the Watts and outputs DC mA....
Mar11-10 06:25 PM
dlgoff
5 6,297
Hi, is there any rule that we can use to find the The length of a solenoid in the magnetic field Questions??
Mar11-10 11:22 PM
Aksand
4 918
Hey all. I am building an IR modulator but seem to have a small kink in the design. Here is my schematic: ...
Mar12-10 01:55 AM
vk6kro
4 3,911
Resistance=resisivity(of a certain material)Xlength/cross-sectional area resisivity is expressed in ohm-cm I have a...
Mar12-10 02:08 AM
Studiot
11 3,089
Hi, I am working on a project that involves some electrical expertise. I am actually mechanical in training. ...
Mar12-10 05:09 AM
sophiecentaur
7 1,764
Why transformers hum? I have heard two versions. Oxygen has unpaired electrons and it reacts to changing magnetic...
Mar12-10 08:19 AM
PanCerowany
8 3,469
what can i do with a current source from 5ua to 270ua if i want some sort of active digital components
Mar12-10 01:44 PM
lennybogzy
2 1,468
Hi, please, help me understand this circuit that is drawn here: http://wild-bohemian.com/electronics/flasher.html ...
Mar12-10 03:40 PM
phyzguy
1 716
Hey guys. I bought this relay http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=255-1899-ND It...
Mar13-10 12:09 AM
jbord39
10 3,017
hello, i would like to know something for this circuit ...
Mar13-10 12:33 AM
manual
6 1,203
I was searching about the possibility of building a simple mobile phone, but I found an old topic here indicating that...
Mar13-10 05:43 AM
shaimaa
9 1,479

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