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Sci.Electronics.Basics
Sci.Electronics.Basics is a worldwide Usenet news group that is used to discuss basic electronics questions.
There are 4626 threads in our archives.
You are looking at page 12 of 463.
The threads with the newest articles are listed first.
SPDT debounce doesn't [32 articles]
Jasen Betts - 2009-12-16 23:24:00
+5v
+-----------------------------+----
| ____|________
+--o_ | |
-_ 11| 74hc595 |
-o--+----...
Enough Is Enough! No More Classical Mechanics Terms In Other Fields [29 articles]
Bret Cahill - 2009-12-15 23:17:00
Someone has to put his foot down.
No more "turbo" computer chips.
No more "vectors" in medicine.
No more "forcing functions" in atmospheric research.
No more "statics" in economics.
I'v...How to make a flashlight reflector? [10 articles]
John Doe - 2009-12-15 04:37:00
My powerful LED spotlight has a highly focused beam and I would
like to make it more like a floodlight by changing the reflector
(or however). Hopefully the light can be projected as a uniform
s...DC current through a domestic supply meter [5 articles]
terryS - 2009-12-15 03:14:00
These questions came up through some discussion on another technically/
scientifically unrelated news group ................... ?
1) What happens if a DC current** flows through a domestic/residen...Voltage Regulator 041M03 [2 articles]
David Hester - 2009-12-14 11:19:00
Can't find any info on this device. I need to know what the output
voltage should be. I'm assuming 3 volts, but would like to know for
sure. It is getting red hot on the circuit board and is outputt...Identifying Infared LEDs [7 articles]
Uriah - 2009-12-14 05:10:00
I have a Infrared LED transmitter and receiver that is part of a
redemption game and I need to get some new ones. The distributor wants
$100.00 for a pair of them. Of course the distributor or the...Explosimeter?? [15 articles]
steamer - 2009-12-14 03:57:00
--Saw this on ebay:
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=300375335943
--Question: this looks a little 'old school'; is there a solid state
contraption that does the same thing, mayb...Waveform horror! Is a 44.1 kHz sampling rate sufficient? [10 articles]
Speeders & Drunk Drivers are MURDERERS - 2009-12-13 23:52:00
"Michael" wrote in message =
news:609e9c8b-ca5e-4718-bf0e-f3730c6536f1@q40g2000prh.googlegroups.com...=
> I used Audacity to generate a 19 kHz tone, planning on burning it to a
> CD and pla...photons and reflection [97 articles]
RichD - 2009-12-13 00:01:00
According to the wave theory of light, angle of
incidence equals angle of reflection. No problem,
in theory or fact.
However, per QM, light falls as a 'rain' of photons.
What happens then? As ...Where Can I Get an Older Duracell Two Battery Flashlight? [12 articles]
W. eWatson - 2009-12-12 22:06:00
I've been buying Subject flashlights for years, but they seem either
discontinued or scarce. The one I buy is about 5x2.5x0.75", squarish,
orangish trim around the light and a dark (black) handle....