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Sci.Electronics.Basics
Sci.Electronics.Basics is a worldwide Usenet news group for discussion of electronics where there is no such thing as a stupid question. Beginners questions. Discussion of electronics education. Requests for other sources of information.

There are 4708 threads in our archives.
You are currently looking at page 91 of 314.
The threads with the newest additions are listed first.




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19:14 16-03-08
Live Webcam broadcasts. Contain erotic content. http://rengotgp.servik.com/alt-land.htm ... Read More
Seeking help for layman: Double the output voltage in a simple transformer [10 articles]
14:32 16-03-08
I had physics only in high school, with your help; I hope I could modify the transformer and utilize the vanity lights I bought oversea years ago. Those lights come with a simpl... Read More
Science project ideas [7 articles]
10:50 16-03-08
My son wants to enter the 4th grade science fair and wants to do something with electronics. As with most science fairs, the primary point is to "solve a problem" or prove a theo... Read More
Furnace Electronic Air Cleaner [2 articles]
Tom - 02:09 16-03-08
I have an electronic air cleaner on my furnace circa 1971, that doesn't work. When you turn it on - nothing happens. I have an elementary knowledge of electronics (mechanical ... Read More
Isolation transformer? [4 articles]
Hammy - 22:00 15-03-08
I have a 450VA isolation transformer. The transformer is supplied from a three prong outlet. I've taken some measurements with my DVM they show a voltage between lines to ground ... Read More
Is this legal? [34 articles]
Hammy - 21:47 15-03-08
This is a pic from an app-note from Microchip. http://i29.tinypic.com/5b193d.png They are using a fuse between the neutral line and earth (safety) ground. Among other things... Read More
LED Circuit? [2 articles]
Drew - 20:51 14-03-08
I'm trying to apply a tally light system: a Panasonic video switcher that sends a signal, and I want a couple of LEDs to turn on 150ft. away whenever that signal is on. That's it... Read More
Panasonic Cordless Phone [3 articles]
Richi - 13:54 14-03-08
Panasonic Digital Gigarange Cordless Phone Model No: KX-TG 1895, Panasonic Dect Twin Cordless Phone Model No: KX-TG 7102, Panasonic Cordless Phone Model No: KX-TG 3032, Panasoni... Read More
understanding car amplifiers and bridging [5 articles]
13:09 14-03-08
If one has a 4-ohm speaker and a car battery that puts out 12.6V, an amplifier can produce: P = V^2/R = (12.6V)^2 / 4 = 39.7 W. If one uses two amplifiers in a bridged confi... Read More
what enclosure to use ? [4 articles]
Archimedes - 11:00 14-03-08
Hi All I built a super-regen radio and want to enclose this in a box of some sort. I have two options - 1. Plastic box 2. Aluminium Box Now I want to listen to this radi... Read More
Float switch circuitry without floats? [17 articles]
08:05 14-03-08
I know very little about electronics though I'm fairly handy and have experimented with some simple circuitry. My objective is to build a water level sensor for a 10 gal stainle... Read More
Panasonic Cordless Phone
Richi - 04:11 14-03-08
Panasonic Digital Gigarange Cordless Phone Model No: KX-TG 1895, Panasonic Dect Twin Cordless Phone Model No: KX-TG 7102, Panasonic Cordless Phone Model No: KX-TG 3032, Panasoni... Read More
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02:56 14-03-08
black apple ipod 2 gb nano mp3 player apple ipod 4gb nano player apple ipod nano black 2gb mp3 player new factory sealed apple 2gb ipod nano apple ipod nano mp3 player ap... Read More
Real Over Unity Motor Design Theory [5 articles]
The Flavored Coffee Guy - 01:47 14-03-08
Just remember this, a transformer is designed for a purpose and it can be either a step up transformer or a step down transformer. Everything else you need to know is here. ... Read More
YOU TOO can Ma*ke * $15,000. a month!
beatybob@gmail.com - 20:44 13-03-08
YOU TOO can Ma*ke * $15,000. a month! YOU don't Believe it? All It requires Is the Proper INVESTING Strategies! Internet INV*ESTING at It's Finest! Why BU*Y into Programs... Read More
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