General Electronics

car lighter power supply question

Can you use a positive plug 4.5v 600mA power adaptor in a device that calls for a positive plug 4.5v 300mA adaptor with...

2 comments posted 21yrs

posted by crigger

2 comments posted 21yrs posted by crigger

Ball park lighting figures?

I know there are a lot of variables but could someone point me to ball park figures for various lighting technologies?...

7 comments posted 21yrs

posted by colin.watters

7 comments posted 21yrs posted by colin.watters

Well It Works . . . I Think

This time the 99 cent store cell phone car charger had an op amp -- I think -- instead of 3 transistors. I didn't care....

0 comments posted 21yrs

posted by bretcahill

0 comments posted 21yrs posted by bretcahill

DriverLINX API to Display LED characters

Hi All, I have the task of programming through the Keithley's DriverLINX API to light up seven LED characters on a weat...

1 comments posted 21yrs

posted by chris.uhler

1 comments posted 21yrs posted by chris.uhler

Resonant Converter Controller - UC2875

Hi! I am building a resonant power converter for my degree project using a bunch of IGBT's in an H-bridge and require t...

0 comments posted 21yrs

posted by hawk-eye

0 comments posted 21yrs posted by hawk-eye

PID Control Primer, $17. Companion Software $11

For a booklet on PID control without the math refer to web page http://members.aol.com/pidcontrol/. It describes the Se...

0 comments posted 21yrs

posted by dwstclair

0 comments posted 21yrs posted by dwstclair

floppy mhz speeds

Hi all, floppy drive at 8mhz for DD mode, 16mhz for HD mode, now I find out theres 10.24mhz for hyper mode, is there any...

3 comments posted 21yrs

posted by exxos

3 comments posted 21yrs posted by exxos

Television History Page

The page was very informative and accurate to the impact that TV had on most of our society, and especialy the wealthy...

0 comments posted 21yrs

posted by jerryg-consult

0 comments posted 21yrs posted by jerryg-consult

Zener Diode ID

This might be the weirdes questen here.... Well I picked up a miex lot of components and it has about 5-6 Zener Diodes....

10 comments posted 21yrs

posted by ronaksh

10 comments posted 21yrs posted by ronaksh

Op Amp Follower (Buffer?)

I am very new to this newsgroup scene, so I am hoping that someone will have some tips for me. The issue is that I am u...

1 comments posted 21yrs

posted by me

1 comments posted 21yrs posted by me

FAX machine SEG TF 300, help wanted

This is veeery old fax machine. I have only programming sheets and don´t know how to use them to make some headline cha...

0 comments posted 21yrs

posted by zdeneksmetana

0 comments posted 21yrs posted by zdeneksmetana

Virtual CPU

Folks, Hope I have the right group here but what does anyone know exactly what a virtual CPU is? Cheers, Al.

5 comments posted 21yrs

posted by almurph

5 comments posted 21yrs posted by almurph

30 x 30 peltier effect cooling plate

Anybody know where I could find a 30 x 30 peltier effect cooling plate or some smaller that could be pieced together? TI...

3 comments posted 21yrs

posted by mike

3 comments posted 21yrs posted by mike

PC Board Kits

Any recommendations for kits, and were to get them for making PC boards using the resist pen method? I would make 1-3 b...

3 comments posted 21yrs

posted by james.douglas

3 comments posted 21yrs posted by james.douglas

The Television

The Television At the same time radio began to achieve commercial viability in the 1920s, the United States and Britain...

2 comments posted 21yrs

posted by mjy222

2 comments posted 21yrs posted by mjy222