⏚ Electrical Engineering

Need help in the development and use JMCAD

Need help in the development and use JMCAD http://jmcad.sourceforge.net/ Project Information JMCAD is an program for th...

1 comments posted 17yrs

posted by YuriyMikhaylovskiy

1 comments posted 17yrs posted by YuriyMikhaylovskiy

Ferrite on audio leads passing near PC?

At home, I often use some screened audio leads which carry speech signals at about 100 to 200 mV. The leads may carry o...

31 comments posted 17yrs

posted by no-not.avail

31 comments posted 17yrs posted by no-not.avail

Transformer bunding question?

Under UK rules & regs, is there a requirement to bund fluid filled transformers to contain any insulating fluid leakage...

5 comments posted 17yrs

posted by tjke.gilmour

5 comments posted 17yrs posted by tjke.gilmour

ADSL adaptor ok for ordinary RJ11 connection?

If I have a device with an RJ11 plug that I need to attach to my VirginMedia landline then, in general, can I use the R...

7 comments posted 17yrs

posted by noone

7 comments posted 17yrs posted by noone

multimeters and diode check

I had an older Fluke, I think it was a 77, that had a handy function, an audible diode check. It would beep once for a...

1 comments posted 17yrs

posted by jamessweet1

1 comments posted 17yrs posted by jamessweet1

Information on how to use Table 310.16 in the 2008 NEC - 20 years in the making

I have been trying to crack the NEC rules for reading Table 310.16 for about 20 years. I think I have finally got it pi...

4 comments posted 17yrs

posted by private

4 comments posted 17yrs posted by private

NEC Table 310.16 conductor size application added to Code Calculators - free

I Just spent another 5 weeks programming this Table that follows most of the NEC Code rules. This is the third time in...

0 comments posted 17yrs

posted by GeraldCNewton

0 comments posted 17yrs posted by GeraldCNewton

Seek PCB thinner than 1.6mm

I want to create a probe to out in between two AA or AAAA cells to detrmine the current flowing. The probe could be mad...

27 comments posted 17yrs

posted by noone

27 comments posted 17yrs posted by noone

simple ampere/voltage question

Hello everyone, Please excuse this really basic question, but I have been searching around for hours and can't seem to...

4 comments posted 17yrs

posted by foobarq

4 comments posted 17yrs posted by foobarq

Need multimeter: Do inexpensive ones allow testing through insulated wire?

I've noticed here and there that the people servicing my A/C and Heating system as well as the power company guys all s...

45 comments posted 17yrs

posted by tgmforum

45 comments posted 17yrs posted by tgmforum

cap to lower demand

Trying to find info about adding capacitors to 25hp 240v 3 phase ac motor single speed that runs a cat pump at my car w...

3 comments posted 17yrs

posted by paul1713

3 comments posted 17yrs posted by paul1713

Transistor as Diode

Hi All, So I was reviewing an old schematic for an opamp circuit that was built before the prevalent IC's (circa 1965)....

2 comments posted 17yrs

posted by daestrom

2 comments posted 17yrs posted by daestrom

Warning about Micrsoft Vista Ultimate and Microsoft Office for Business

I use a Pentium quad HP with 3 gigs of ram. This is a new system and all software is the real thing and I paid the full...

11 comments posted 17yrs

posted by admin

11 comments posted 17yrs posted by admin

Flow meters

c

1 comments posted 17yrs

posted by bob,marguerite

1 comments posted 17yrs posted by bob,marguerite

LCD display repair?

Backlit Hitachi monochrome LCD display has dark horizontal lines obscuring much of the displayed text. I understand tha...

9 comments posted 17yrs

posted by me

9 comments posted 17yrs posted by me