General Electronics

difference bet. Penning and Pirani Gauge head

Can anyone explain an undergraduate the basic difference bet. pirani and penning gauges? A pirani gauge is for low vacu...

0 comments posted 22yrs

posted by munozandres

0 comments posted 22yrs posted by munozandres

using a computer power supply without a motherboard

Is there an easy way to use a computer power supply with out a motherboard? I am assuming that the power supply is chec...

8 comments posted 22yrs

posted by mjhnational

8 comments posted 22yrs posted by mjhnational

light bulbs

I have some naive questions about light bulbs that maybe someone here knows how to answer. (1) What is the theoretical...

16 comments posted 22yrs

posted by ara

16 comments posted 22yrs posted by ara

CCTV Auto-Iris pin out

Hi, I have a Tarcus ND-TV-LENS auto-iris and I need to create some electronics to drive it. Is there a standard pin out...

0 comments posted 22yrs

posted by medwar19

0 comments posted 22yrs posted by medwar19

GPS screen goes black for short time

Does anyone know what is the cause of the following? My GPS screen (B/W) goes black for a fraction of a second each tim...

6 comments posted 22yrs

posted by youtiez

6 comments posted 22yrs posted by youtiez

FS: 3 JVC video motors - surplus

Ebay item * 3051835355 Anyone need some of these things? These might be useful for something like "Techno Games" etc, as...

0 comments posted 22yrs

posted by testing_h

0 comments posted 22yrs posted by testing_h

Hand Cranked Flashlight

I made a hand cranked flashlight, sort of. I disassembled a defunct NED CD-ROM drive, and used the DC motor and gear as...

6 comments posted 22yrs

posted by alondra101

6 comments posted 22yrs posted by alondra101

$5000 Hybrid Car Generators?

DOE told me hybrid technology was expensive because the generators cost about $5,000.00. Copper wire costs < $1/lb. WHAT...

8 comments posted 22yrs

posted by bretcahill

8 comments posted 22yrs posted by bretcahill

The Proper Way To Digress

Digressing a little is OK but when you digress, change the title to reflect the new topic. That's my pet peeve. Bret Cah...

13 comments posted 22yrs

posted by bretcahill

13 comments posted 22yrs posted by bretcahill

Need a manual for Lab-Volt 1222

Hopefully, someone has a manual for a Lab-Volt 1222 RF Generator. Have contacted Lab-Volt, they say that the manual is...

4 comments posted 22yrs

posted by dgmason99

4 comments posted 22yrs posted by dgmason99

Aluminum Magnet Wire, Al Coil?

I need a small light weight coil that can handle 20 - 50 mA. Can you use aluminum for magnet wire? Who would sell it? Br...

2 comments posted 22yrs

posted by bretcahill

2 comments posted 22yrs posted by bretcahill

Denon DVD-1500 Player - No Audio

I recently came across a Denon DVD-1500 DVD unit from Ebay that has no audio during playback. The video looks excellent...

0 comments posted 22yrs

posted by kynetboy

0 comments posted 22yrs posted by kynetboy

Minimal write-only slave PCI board?

Hi! I'd like to make a PCB for a minimal, write-only slave PCI board, just to output some data. I thought about the fol...

0 comments posted 22yrs

posted by mike

0 comments posted 22yrs posted by mike

GI DCT 1234 manual .pdf?

Need the user manual for my General Instrument (Motorola?) DCT 1234 cable convertor. Dick

0 comments posted 22yrs

posted by rqlhgl

0 comments posted 22yrs posted by rqlhgl

More parts

Just added two new categories: "Cables & Wire" and "TV Antennas" PLUS -- the rest of the speakers and cable ties finall...

0 comments posted 22yrs

posted by novirusforme

0 comments posted 22yrs posted by novirusforme