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Free air core coil designer program

The program MiscEl has got a new page for designing air core coils, it supports many different geometries. See more abo...
51 comments posted 20yrs
posted by henrik.k.jensen
51 comments posted 20yrs posted by henrik.k.jensen

Really neat Surface Mount Protoboards

There are some SOIC and TSSOP style SMD Protoboards at http://protoboards.theshoppe.com
0 comments posted 20yrs
posted by leiferic
0 comments posted 20yrs posted by leiferic

Identifying parts

Hi I have several part here, I think they are resistors, but the color used are confusing. I put a jpg here: http://www...
10 comments posted 20yrs
posted by lera
10 comments posted 20yrs posted by lera

Audi A6 3.0

I bought a 2004 Audi a year ago. recently the floor flooded and I had taken it to the shop. I then was told the engine...
10 comments posted 20yrs
posted by eleanor05
10 comments posted 20yrs posted by eleanor05

Battery weight?

Do batteries get heavier as they're charged?
2 comments posted 20yrs
posted by dai.ode
2 comments posted 20yrs posted by dai.ode

Batteries

Do batteries get heavier as they're charged?
7 comments posted 20yrs
posted by dai.ode
7 comments posted 20yrs posted by dai.ode

Need DMM with VTVM Equivalent Input Impedance

I'm still working with an old RCA VTVM for voltage measurements of high-voltage, high impedance sources. I need somethi...
6 comments posted 20yrs
posted by hhc314
6 comments posted 20yrs posted by hhc314

Good Digital Multi-Meter in $50 Range

I just dropped my 20 year old Radio Shack digital multimeter and it stopped working. I use it probably once a month so...
29 comments posted 20yrs
posted by kenhall2REMOVE
29 comments posted 20yrs posted by kenhall2REMOVE

PDA/Cellular data cable sources?

I am wondering who the suppliers of the cable ends are that permit phones to connect to laptops and PDAs? If I were to...
1 comments posted 20yrs
posted by scott
1 comments posted 20yrs posted by scott

Connector source

Hi, I've been searching for an RJ10 connector for my PDA charger, rather unsuccessfully I might add. Does anyone know w...
3 comments posted 20yrs
posted by ian_dunbar6
3 comments posted 20yrs posted by ian_dunbar6

Mil 217 Tables in a text file or Excel

Hi Does anyone have the tables of Mil217 in a text file so that I can write a program to look them up? I have the 217 ma...
2 comments posted 20yrs
posted by home
2 comments posted 20yrs posted by home

coil discharge

Hi again, I am trying to discharge a 300v capacitor to a coil. I wanted to do the following: Capacitor | | | | | Coil |...
10 comments posted 20yrs
posted by lera
10 comments posted 20yrs posted by lera

Resistor wattage selection

HI, I am bit confused as to determine the wattage for a resistor. They come in 1/4, 1/2, 1, 2 watt etc.. I want to to a...
25 comments posted 20yrs
posted by lera
25 comments posted 20yrs posted by lera