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Hello, I haven't learned anything about micro controllers yet but I wanted to get a head start since I hear that...
Y 03:36 PM
meBigGuy
19 314
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...
Apr10-14 04:04 AM
mwvivi
189 60,868
I've occasionally been asked by some of the students I've mentored or TA'd over the years, "What's in your toolbox? ...
Feb4-14 04:57 PM
davenn
62 59,511
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 47,110
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Mar26-08 12:32 PM
berkeman
0 25,993
OK so I've been reading a lot about gates and Boolean logic lately and I understand how they function but if somebody...
Feb24-09 04:10 PM
Proton Soup
3 914
Dear All, How do i calculate the Electrical field strength in v/mm for a Kapton Insulated Cable. Conductor AWG...
Feb24-09 12:23 PM
nastyboy
2 1,258
hello im just confusing about the electrical conduction in the electrical circuits I mean, for example, -an...
Feb24-09 11:29 AM
johnotoole3
2 2,031
have 2 make project which involves comparing op-amp 741 and any one of the latest op-amps..can anyone suggest the any...
Feb24-09 08:47 AM
Topher925
2 1,232
Could someone help by recommending hardware to mount a prototype board like this:...
Feb24-09 07:01 AM
j777
5 5,684
I'm trying to start a new Open Source project for the design of a metal detector suitable for Humanitarian Demining. I...
Feb23-09 10:39 PM
Humanise
13 2,069
Hello, my last post may have seemed a little too long or complicated apparently, so I'll try to simplify and adjust...
Feb23-09 10:22 PM
mheslep
1 1,340
Does Cramer's rule work in frequency domain? For example, if we have to solve two simeltaneous equations, as in nodel...
Feb23-09 04:07 PM
ravioli
1 3,297
We are using a DAQ (data acquisition) board for our project, that has only 2 analog outputs, but we need 4. It also...
Feb23-09 01:21 PM
berkeman
4 3,122
I am making a project to control the speed of a DC motor using an astable. I need to be able to change the speed of an...
Feb23-09 12:58 PM
madmike159
4 1,179
Hi I've learnt about voltage adder circuits using op-amp that add two or more DC voltages. But is it possible to...
Feb23-09 07:27 AM
kiamzattu
11 11,503
hi, i'm working on a project where i'm using a ttl 7400 ic which need +5v Vcc, how can i use 5v from a battery 9v,...
Feb23-09 03:39 AM
MATLABdude
1 2,390
can any engineer show me how we can calculate the busbar for any distribution panel assum that we have 800A...
Feb22-09 10:54 PM
megatronic
2 20,192
Hello, I am trying to find an estimated value (or range) for the current of an electric arc. I imagine this may...
Feb22-09 02:05 PM
mgibson
5 6,343
I've decided I want to go to school and start taking some math courses toward an electrical engineering degree.I...
Feb22-09 01:40 PM
Macwoni
2 746
Hello everyone, I’m a first time poster here on the PF and I come to you, the community to help me and my team-mate...
Feb21-09 09:50 PM
polosportply
0 3,361
Bearing in mind safety margins, how much current and voltage should I supply an LED if it's rated as such: Forward...
Feb21-09 09:22 PM
Redbelly98
19 15,765
i cant find PSK chip for my project. Actually i am student of Electronic Engg. and doing a project on serial...
Feb21-09 06:56 AM
abs_heroever
7 2,660
I'm studying a portion of a schematic from an evaluation board. What's the purpose of R20 in the attached schematic?
Feb21-09 05:34 AM
Phrak
6 1,414
Hello everyone and thank you for having me on the forum. I have a bit of a unique situation in which our very small...
Feb21-09 05:06 AM
m.s.j
2 1,526
Can someone explain to me what a 3 phase IEC Contactor/starter is, how it works, and what its used for? Thanks
Feb21-09 04:54 AM
MATLABdude
4 1,916
Hi everyone. I am trying to design a timed vibration device that I can use for my son. He has a mild form of autism...
Feb20-09 08:43 PM
dlgoff
6 1,223
Quick question, I am taking this analog design class and the class includes a project which requires design...
Feb20-09 05:06 PM
Proton Soup
8 2,385
Are there any programs around which will do this? I initially thought of Sonnet, but after some thought, I began to...
Feb20-09 02:20 PM
SquibblyWibbl
10 3,487
So I'm fairly certain breadboards cant handle 4 amps, and pcb is a bit too expensive for our budget (and not really...
Feb19-09 07:18 PM
berkeman
1 1,055
I posted a thread thats still visible concerning homopolar designs. This thread is spin off from it and I hope I get...
Feb19-09 06:52 PM
berkeman
25 1,583
I have a mobile that i only keep for emergencies, the strange thing is, it will not turn on after a recharge, i have...
Feb19-09 04:24 PM
pallidin
2 1,623
I Don't know if this is the correct place for this post but here goes. I am looking for a supply house or distributor...
Feb19-09 06:44 AM
I forgot ohms
4 948
I was reading Nikola Tesla’s Inventions recently. I was really stunned to know that he transmitted electricity without...
Feb19-09 06:40 AM
Pumblechook
21 39,971
Hi, i want to know if there is a possibility to add a remote volume control to this amplifier above. I just have to...
Feb18-09 10:41 PM
rob123kv
3 16,325
Hey guys! I'm working on a little side-project and basically i need a compact source of a burst of electricity, so...
Feb18-09 07:32 PM
triden
8 1,096
Hello, If vias are covered with soldermask is it OK to mount an SD card connector with a metal frame over the top...
Feb18-09 04:19 PM
j777
5 1,350
I understand how a baud rate can be set by a clock and the data can be shifted through a line. Both sides need a...
Feb18-09 11:15 AM
mgb_phys
3 1,986
hi guys! i've been having some trouble thinking about power in DC circuits. i've been guessing my way through my...
Feb18-09 03:55 AM
MATLABdude
1 1,767
Hello, I have a problem. I have a PT100-element that measures the heat from a lightbulb and sends the value to a...
Feb18-09 03:01 AM
Even90
0 1,305
I have recently in work been given a sort of mini project I have been handed what must be about 60 years old or so...
Feb17-09 07:27 PM
samski
11 1,799
I have some questions about the open circuit voltage of the photodiodes. Physically, what is the origin of the open...
Feb17-09 06:55 PM
Redbelly98
11 2,210
Typical fuel tank sending units have a resistance of 0 to 10 ohms in the full position and 90 to 240 ohms in the empty...
Feb17-09 06:45 PM
Proton Soup
12 2,990
Hi My project involves rectification of a voltage produced by a piezoelectric stack subjected to an impact. The...
Feb17-09 05:50 PM
Proton Soup
6 2,180
How do I do basic circuit analysis of circuits that have diodes in them? For example, if I have a basic circuit...
Feb17-09 01:07 PM
berkeman
7 15,730

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