General Electronics

Plasma TV SCAM

My cousin, who has more money than brains, was recently going to purchase a 60 inch plasma TV for $18K. I told him the...

8 comments posted 22yrs

posted by greyskynospam

8 comments posted 22yrs posted by greyskynospam

Various Transistors Tested for Ic and Vce(sat)

I built the simple LED V Boost circuit at http://www.elecdesign.com/Files/29/5886/Figure_01.gif except I used a BC338 f...

91 comments posted 22yrs

posted by alondra101

91 comments posted 22yrs posted by alondra101

Single Alkaline Battery Drives White LED ED, Oct 27, 03

Single Alkaline Battery Drives White LED ED, Oct 27, 03 http://www.elecdesign.com/Articles/Index.cfm?ArticleID=5886 I l...

0 comments posted 22yrs

posted by alondra101

0 comments posted 22yrs posted by alondra101

Sticker Shock!

I was at the local used bookstore today checking out the slim pickings on the shelf of electronics books. I came across...

13 comments posted 22yrs

posted by alondra101

13 comments posted 22yrs posted by alondra101

SM UV LED

Does anyone know where I can buy _Surface-Mount_ UV LEDs? (in ten-off quantities). In the UK or who will ship to UK. I...

0 comments posted 22yrs

posted by uk

0 comments posted 22yrs posted by uk

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 22yrs

posted by dwstclair

0 comments posted 22yrs posted by dwstclair

Revised technical question:

What is the best capacitor value for audio frequencies between 100 HZ and 6000 HZ into an impedance of 1K ohms? Please l...

35 comments posted 22yrs

posted by shawn.sutherland

35 comments posted 22yrs posted by shawn.sutherland

For John Larkin: S.F. Cam

Since you seem to have something to do with San Francisco, I thought you might enjoy seeing some web cam pics. http://w...

0 comments posted 22yrs

posted by alondra101

0 comments posted 22yrs posted by alondra101

2 questions about SD cards

Someone (not me) is working to make a special cxartridge that can be used with MMC card to load any 2600 game ROM for p...

3 comments posted 22yrs

posted by Impmon

3 comments posted 22yrs posted by Impmon

Mercury computer codes

Hi everyone, I am an electrical hobbyist, and I am looking at making a little add on to my Mercury Grand Marquis. I wan...

6 comments posted 22yrs

posted by nrschemm

6 comments posted 22yrs posted by nrschemm

Re: Help on schematic

"@norman(nospam)brooks.freeserve.co.uk" > Hi everyone > Happy New Year to all > > Please can you help, I have done a se...

3 comments posted 22yrs

posted by walterh

3 comments posted 22yrs posted by walterh

How feasible to add composite video or s-video to late '90s tv?

Bought a 27" RCA television in the mid to late '90s, but it was a cheaper model without a composite or s-video input. N...

8 comments posted 22yrs

posted by dont

8 comments posted 22yrs posted by dont

NTE 1729 PWM Cct

Has anyone put a power supply circuit together with this chip? I was wondering if it would fit the bill for the heart o...

1 comments posted 22yrs

posted by Spam

1 comments posted 22yrs posted by Spam

Circuit board repair

I have a friend who is an electrical engineer by training and is very competent at circuit board repair. He has a custo...

3 comments posted 22yrs

posted by jkolhagen

3 comments posted 22yrs posted by jkolhagen

What is a P injection diode?

Hi all, I am kinda stumped, what is a P injection diode, more importantly, I was referred to get a 7/10s rating?!? (cir...

13 comments posted 22yrs

posted by hotmale

13 comments posted 22yrs posted by hotmale