Newbie LED question
Hi all
I am a newbie to the art of electronics so please be gentle with me :-)
I am trying to run 16 LED's from a single 12v power source. The LED specs are as follows:
Parameter
By
Pedro de-Oliveira <olive_@...>
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#117
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solar panel battery charger?
Hello everybody.
I recently put together a small solar powered project. It draws about 300ma at a regulated 5v. It runs great here in LA, but now I want to bring it to London. Obviously I'm going to
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markallen <markallen@...>
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#116
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Using a sponge.....
A quick rant from your freindly moderator,
????????? Just a question asked on another list that I am on, and a quick reply.
I'm posting this for the "Beginers" on the list so those of us
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peter tremewen
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#115
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Re: battery charging
Well, it would work, but you'd need a current source that could handle it. With batteries charging in series, you'll always deliver the same current (well...not exactly...not all batteries have the
By
Tavys Ashcroft <bigtex@...>
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#114
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battery charging
hi
i just got a idea yesterday and here it is.
normally we charge batteries in series i.e if we want to charge 2
batteries
of 1.5 v then we connect them is series and apply 3 v and so
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adityan007@...
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#113
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(No subject)
hi
thats very good....as a response i will say that there should be more
of practical things like simple interesting circuits which can be made
easily(i mean that the components should be available
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adityan007@...
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#112
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Your friendly Moderator
Has anyone noticed that wirewound chokes have all but disappeared from
the electronic suppliers lists these days? The omission of these and
certain other items with which I was once familiar, and the
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Keith Messent <rkmessent@...>
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#111
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Re: Your friendly Moderator....
Hi. I just found this list. I'm strictly an enthusiastic electronic hobbyist.
I know the basics and like tinkering around wit
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Ralph Krumdieck <ralphkru@...>
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#110
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School Project
I know that people may criticize me for asking for
help on this but I am not an Electronics expert... yet.
And furthermore I don't believe in free energy. :)
I have a final project coming up for my
By
awzse
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#109
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Your friendly Moderator....
Hi all,
???[Electronics_101] FREE CELLPHONE INTERNAL ANTENNA BOOSTERS
???????????????????????? This Member has now been removed from the list. As moderator I
will tolerate
By
peter tremewen
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#108
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StuckButton Magazine
Hi Everyone!
I am going to be relaunching StuckButton magazine on September 1.
Most of you know it, others won't - basically its a free magazine
(now) centered around any aspect of radio,
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ausham@...
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#107
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Re: FREE CELLPHONE 3D LCD HOLOGRAMS
Accessories4U wrote:
By
peter tremewen
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#106
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Re: FREE CELLPHONE 3D LCD HOLOGRAMS
Is there some way to filter this spam crap from the list?
By
markallen <markallen@...>
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#105
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Re: homemade transformer
Bob,
There are many variables its true, but how about take any easy one.
Last time I took a common one apart it had a metal rectangle with lots
of copper wire wraped around it. How do you
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ladurh@...
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#104
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Fw: your comment
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budijanto setijoso <sielionggin@...>
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#103
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Re: Digest Number 48
Something cute that I found... It may or may not be off topic.
The Sex life of an Electron
by Eddie Currents
One night when his charge was pretty high, Micro-Farad decided to seek out
a cute
By
awzse
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#102
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Re: (unknown)
adityan007@... wrote:
Hi Aditya,
????????????????????? There is no easy answer to this question, it depends entirly on what
you intend to solder. How ever for the average
By
peter tremewen
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#101
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(No subject)
hi everybody
i just wanted to know what wattage soldering iron should be used for
normal electronic works (P C B ).
at present i have a jumbo size soldering iron which i use for
By
adityan007@...
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#100
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(No subject)
hi everybody
i just wanted to know what wattage soldering iron should be used for
normal electronic works (P C B ).
at present i have a jumbo size soldering iron which i use for
By
adityan007@...
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#99
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Re: homemade transformer
It's so simple, a 3 year old could do it. On the other hand, it's so
difficult, you'd need a engineering/manufacturing facility to do it. Both
statements are completely true - depending on what
By
Bob <rjgordon@...>
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#98
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