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Jan16-12 Greg Bernhardt
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 7,377
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 6,241
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 80,002
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 90,826
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 56,878
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 30,464
Hi, i 'm new here. (I 'm from Panama city, Panama). I know very, very little from electricity and those stuffes. I...
Feb9-13 08:14 AM
sophiecentaur
6 3,440
I want to build my own circuit sensor. I opened the digital scale.I built the circuit on breadboard.The sensor is...
Feb9-13 08:09 AM
sophiecentaur
1 476
The Maker Greetings, I saw a slew of discount solar panels and I want to use one to power my iPhone or possibly...
Feb9-13 06:16 AM
sophiecentaur
9 1,020
can you tell me the basics of a solar inverter circuit and how it works? i'm a starter in engineering :P
Feb9-13 04:11 AM
Bobbywhy
1 654
http://i.imgur.com/K4pwP67.jpg I need one small input to switch on a slightly larger circuit permanently, until I...
Feb8-13 08:29 PM
skeptic2
11 1,026
is that star load will make unbalanced , delta will not? THX
Feb8-13 03:14 PM
Windadct
1 380
Hi, Looking for the SI Notation practices for Direct Current and Voltage Direct Current. We commonly use DC and...
Feb8-13 11:47 AM
CBTman
3 2,879
Hello there, I am working on a current control loop for a PMSM (Permanent Magnet Synchronous Machine) in which...
Feb8-13 01:22 AM
kautilya
0 511
I always wanted to know how this worked? I know AMPs is how many Electrons move past one point in a SEC. I know...
Feb7-13 08:39 PM
benjaminbailes
13 1,481
OK PF'ers - this is our dream - dashed.... http://www.youtube.com/watch?v=_V-hPHusTxo A client of ours - Oh so...
Feb7-13 06:02 PM
Windadct
0 366
Hi friends, Why the battery dischargers are so heavy? Thank you very much
Feb7-13 03:30 PM
pulpeiro
4 543
I want to know how to begin legally getting into LP Radio. I want to learn how to set up a system, get a license and...
Feb7-13 02:20 PM
Bdoom
7 584
I have three grid tie inverters connected to my grid thru standard AC plugs. The system pushes about 1kw to the grid...
Feb7-13 02:17 PM
PaulMel
8 923
I am currently looking at charlieplexing that can in theory cause me to be able to control eight 7 segment displays...
Feb7-13 02:08 PM
berkeman
1 418
hello friends, I am looking for a 6 Pin DPDT switch to which DC voltage will be given as input My input DC...
Feb7-13 11:52 AM
Carl Pugh
2 884
Quick question. If the manufacturer's specs ask for clearance top and bottom when mounting in the cabinet, does that...
Feb7-13 09:18 AM
Som_P
2 394
looking for standards & guidelines on Neutral Wire for distribution system, especially Neutral Up or Neutral High...
Feb7-13 04:22 AM
jim hardy
3 947
I am idly curious about induction heating; specifically for heating 80L-100L of water from 20C to 100C as efficiently...
Feb6-13 11:59 PM
Fish4Fun
5 1,415
I am wondering how the waveform of AC voltage measured across a diode would look like? What about the waveform of the...
Feb6-13 09:12 PM
Kristi1994
2 942
In single phase series circuits, should the current always be drawn along the x axis and the voltage then drawn with...
Feb6-13 07:48 PM
vk6kro
4 831
can you tell me all of the equations to find AC frequency? also, what is AC voltage? is it somehow linked to frequency?
Feb6-13 06:09 PM
thebluser
8 726
Hi, I'm fairly new to and not very good at electronics (my A-level project was an LDR that turned on a light, LOL,...
Feb6-13 05:07 PM
sophiecentaur
23 1,480
Hi I have a basic question. When birds sit on an overhead line, they are sitting on a bare conductor which is...
Feb6-13 04:53 PM
sophiecentaur
21 1,734
I am designing a small step up transformer and I'm trying to calculate leakage inductance and winding capacitance. ...
Feb6-13 02:52 PM
Windadct
1 871
Hello, I am going to college in a couple months (next semester after summer). I want to know where I can self-teach...
Feb6-13 02:47 PM
Windadct
2 385
I found an image on google that I recognised to be an almost functioning NOT gate: ...
Feb6-13 11:27 AM
DrZoidberg
11 997
What things do I need to consider when selecting a proper sized power supply? Basically this is control power, ouputs...
Feb6-13 10:17 AM
Som_P
4 426
in household supply, one wire is neutral wire and another is ground. Both are at 0 potential. My question is that can...
Feb6-13 08:38 AM
Windadct
2 1,448
Hello everyone! First post, so I apologize if I am in the wrong area. I am designing a charging circuit for a...
Feb6-13 04:49 AM
sophiecentaur
2 485
I am new to this field of electrical measurements and my question may sound amateurish but your suggestions will be...
Feb5-13 10:48 PM
Bobbywhy
1 600
Hello all, My question pertains to specializing within an EE degree. At my school we have to specialize in 2 out of 3...
Feb5-13 06:57 PM
psparky
3 624
I studied mechanical engineering in college, so electrical engineering isn't my strongest suit. Basically I have a 12V...
Feb5-13 06:20 PM
BMWPower06
9 1,439
I am from a country where power outage is very common. I have a light source which is run by a lead acid battery. At...
Feb5-13 06:14 PM
adilsyyed
4 508
Greetings Forum, I just bought an Invensense MPU-6050, I need to design an LPF to filter the noise. How do I analyse...
Feb5-13 04:01 PM
GrahamN-UK
5 1,073
Hello Forum, Some electronic devices specify a certain specific voltage that they need to work properly. Some other...
Feb5-13 03:36 PM
sophiecentaur
24 2,803
Hi. Most grateful for your suggestions on the following. My generator is a Stamford/Newage 125 kva, 1500 r.p.m., 174...
Feb5-13 01:57 PM
GrahamN-UK
5 1,179
I'm troubleshooting an old (1995) LeCroy scope that has shown some irregular behavior lately ("multiple calibration...
Feb5-13 04:37 AM
gnurf
3 502
Good day to all Physics Forums members, I am currently undertaking a project which involves the use of a Linear...
Feb5-13 04:32 AM
ca2n
0 606
Hello I have a very basic question. I'm studying power cable engineering right now and I've learned about the role...
Feb5-13 04:09 AM
Fjolvar
0 397
Hello, I'm working on a project at which a large amount of current is being passed through a low voltage system...
Feb5-13 01:12 AM
jim hardy
9 1,191

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