Hobby Electronics Basics

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Home wiring

Hi Group, I am wiring a room in my basement. It is a new room. I have purchased 2 books on home wiring and I am confide...
6 comments posted 21yrs
posted by rick.delorme
6 comments posted 21yrs posted by rick.delorme

Home made Video - RF using old VCR Modulator

I would like to build a device to connect a CCTV Camera to a TV using an old VCR Modulator, does anyone one have a svhe...
1 comments posted 21yrs
posted by Jonathan_Hedges
1 comments posted 21yrs posted by Jonathan_Hedges

Frequency Measurement with a DMM

I have a Radio Shack (actually Metex) DMM that measures frequency, among other things. When measuring the 60 Hz line fr...
3 comments posted 21yrs
posted by srokajj
3 comments posted 21yrs posted by srokajj

Copper tape?

Need some thin copper tape (adhesive foil), about 1 or 1.5 inches wide, about 16 inches long. I'd be willing to buy a r...
18 comments posted 21yrs
posted by me
18 comments posted 21yrs posted by me

DC motor help

I'd like for someone to explain how a two speed DC motor works. I have an idea but what I really want to know is how to...
2 comments posted 21yrs
posted by jseabolt2002
2 comments posted 21yrs posted by jseabolt2002

Half-Dipole Antenna Question

I made a half-dipole antenna for my home stereo from wire scraps I had. It works fine, but unfortunately, my two favori...
6 comments posted 21yrs
posted by anonymous
6 comments posted 21yrs posted by anonymous

Digial Voltmeter DC and AC mode

I dont understand the real meaning of DC and AC readings on the Digital voltmeter. Is it correct to say that if the sig...
5 comments posted 21yrs
posted by aman.bindra
5 comments posted 21yrs posted by aman.bindra

Bury the hatchet John?

OK, I think we both should have gotten it out of our systems by now. I was angry cuz you tried to embarrass me, but cer...
3 comments posted 21yrs
posted by spam
3 comments posted 21yrs posted by spam

intercom using home telephone circuit

Hi , I have a 2 floor home and I would like and make an intercom using the existing telephone circuit. Since every room...
11 comments posted 21yrs
posted by interuser
11 comments posted 21yrs posted by interuser

USB question

I know USB supplies 500mA at 5V. But somehow I need more current. I need USB to provide current to a logitech webcam an...
3 comments posted 21yrs
posted by aman.bindra
3 comments posted 21yrs posted by aman.bindra

RS232 connection information

I have a log which is connected to the gyro by RS232 line (around 3 metres long). I want to take a tapping out of this...
0 comments posted 21yrs
posted by mnitin73
0 comments posted 21yrs posted by mnitin73

infrared transmitters

I wonder if anyone can help me? I am looking at building a 6 band infrared transmitter. Now it seems that most infrared...
3 comments posted 21yrs
posted by Paul.Horwood
3 comments posted 21yrs posted by Paul.Horwood