alarm switch [7 articles]
steve - 16:58 15-05-08
I require alarm systems for both personal and house.
From seeing various alarm projects, there is no detail about how the
alarm is set off.
For example, a house alarm co... Read More
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Surge / Ground / Lightning [215 articles]
NB - 12:21 15-05-08
Who is W_TOM and why has he appeared in every single thread that has
contained those keywords since 2001???
... Read More
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Crystal oscillator [2 articles]
Kasterborus - 10:32 15-05-08
OK,
Here's what I want to build:
http://www.kako.com/neta/2007-001/circuit1.png
Are the two series caps performing the function you mentioned?
... Read More
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digikey components [8 articles]
lerameur - 19:26 14-05-08
hello guys,
I usually find the parts I am looking for on digikey web site. I have
not order from there for a long time. But have they decrease
selectivity of products. I was l... Read More
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7-segment display problem [4 articles]
18:44 14-05-08
Hi all. I'm just starting out trying to get my head round this
electronics thing and am building a few simple circuits that I find on
the Internet. I got a 7-segment display (c... Read More
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Microchip's TB008 Reprise [12 articles]
Phil Allison - 19:51 13-05-08
**Hi to all:
On March 13 this year - poster " Hammy" raised a few valid questions about
Tech Bulletin " TB 008 " on the Microchip web site ( and quoted widely
elsewhere) o... Read More
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Looking for a... [4 articles]
steamer - 17:41 13-05-08
--Have googled my brains out and can't seem to find what I'm looking
for, which is more of a nifty threaded LED panel mount with solderable lugs
on the bottom. I've used them as... Read More
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op amp basics [3 articles]
lerameur - 11:50 13-05-08
hello,
I am trying to understand the fundamental of op-amp.
I found this link to be very interesting:
courses.ece.uiuc.edu/ece486/labs/lab1/386_op_amp.pdf
I would like to kno... Read More
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Help with simple DC motor [7 articles]
Jatan - 07:11 13-05-08
I need help in designing and simulating a circuit on PSIM/Matlab/
PSpice for a simple DC motor going forward/stop/reverse using a 12Vdc
source
My application is a power window... Read More
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radio eats batteries [11 articles]
RichD - 14:27 12-05-08
I purchased an armband radio recently, for jogging.
Truetech, if that means anything.
I inserted 2 new alkaline AAA batteries, they
are now dead after about 90 minutes use.
I... Read More
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basic electronic
sweet&soft - 10:26 12-05-08
The goal of this chapter is to provide some basic information about
electronic circuits. We make the assumption that you have no prior
knowledge of electronics, electricity, or c... Read More
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dear
04:26 12-05-08
you are all hero !!! you see clike here www.familyutility.blogspot.com
see soon
... Read More
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Driving two transistors with same signal [22 articles]
vic - 16:14 11-05-08
Hi,
I have two common anode 7-segments displays, and only one wire to drive
them. I need to achieve the following : when the control signal is +5V,
display1 is ON and displa... Read More
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