开云体育

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 Value Units DC

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

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 that

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

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 on..changing the

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

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

Hi. I just found this list. I'm strictly an enthusiastic electronic hobbyist. I know the basics and like tinkering around wit

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

Hi all, ???[Electronics_101] FREE CELLPHONE INTERNAL ANTENNA BOOSTERS ???????????????????????? This Member has now been removed from the list. As moderator I will tolerate

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, electronics,

Accessories4U wrote:

Is there some way to filter this spam crap from the list?

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 determine

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 little

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

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 electrical purposes

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 electrical purposes

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