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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 4775 threads in our archives.
You are looking at page 11 of 478.
The threads with the newest articles are listed first.
PIC micro uart puzzle [3 articles]
Randy Day - 2010-06-05 15:27:00
Can anyone suggest why the following is happening?
I have two Pics, a '690 and a '2455, communicating
via eusart (8-bit). After a succesful round of
query/response, the '690 transmits (confirme...
2 pin vs 4 pin bulb
don - 2010-06-03 08:55:00
What are the advantages of a 4pin vs a 2pin bulb..... the manufacturer of my
task light used a 2 pin bulb but the socket is made to accept a 4 pin......
Also..... the socket wire connections are of ...Uncertain Capacitor Values [4 articles]
FyberOptic - 2010-06-02 22:51:00
Hey folks, maybe somebody can help me figure this out. I was looking
for a particular cap, and came to find myself a bit confused on
exactly how to determine what the value is. I know about the
c...lead vapor [13 articles]
George Herold - 2010-06-02 15:08:00
Hi all, Silly question, but I thought I would check with the experts.
On a different forum someone was asking about putting in a fume hood
for soldering. One responder said that you needed one to t...Where to find desoldering tools in the USA? [18 articles]
Michael - 2010-06-02 11:50:00
Fry's wanted $13 for some push-down suction desoldering device.
Anyone know where to get a desoldering sucker for a reasonable price?
...Question about LM334 current source [4 articles]
wthurt - 2010-06-01 21:35:00
I would like to use the LM334 with 9V batteries to produce an
approximate 3mA constant current through a diode. But I am a little
confused by the device schematic. This device has three leads (V+,
...measuring EMF [10 articles]
lerameur - 2010-06-01 16:07:00
Hello,
I would like to know if anyone know of a good performing EMF meter.
mainly from 0 to 1Ghz under 200$. The only one I saw was a trifield
recorder, that ''they '' use also for ghost hunting...Triggring a 555 timer in monostable mode with a compartor output [13 articles]
chuck - 2010-05-29 02:15:00
Im trying to tigger a 555 timer with a comparator. Im using the 555
timer in a monostable configuration with the supply voltage at 7
volts. When the input to the 555 comes via the high output of the...Subtractor circuit impervious to components tolerance? [19 articles]
Zico - 2010-05-27 12:39:00
Hi,
I'm wondering if there's some circuit configuration (presumably
an op-amp based design) that would subtract two signals (say,
two audio signals) in a way that is *100% and absolutely
unaffec...555 timer triggering [3 articles]
chuck - 2010-05-27 09:10:00
Thanks for the replys.
I am using the monostable configuration that is shown in the datasheet
(unsure of manufacture but I think its a universal configuration), it
uses two external caps between pi...