Hobby Electronics Basics

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current amplifier question (with a little LabVIEW)

Hello, I need to design a current amplifier. I'm trying to design a virtual instrument in LabVIEW to which I can type i...
5 comments posted 19yrs
posted by panfilero
5 comments posted 19yrs posted by panfilero

Timer circuit

Hi All, I want to make a time delay circuit using transistors, 12v supply switch on a 3Watt bulb and go off after about...
1 comments posted 19yrs
posted by cartronics
1 comments posted 19yrs posted by cartronics

DIY Battery Contacts

I was going to use a 9V (PP3) for my project, but it won't fit in the compartment. Instead, I'm going to pile 6 alkalin...
6 comments posted 19yrs
posted by mySpamB8
6 comments posted 19yrs posted by mySpamB8

Oscilloscope

Hi all, I have finally decided to break down and buy a oscilloscope. But I found I don't know what to get. As this will...
62 comments posted 19yrs
posted by kitmor
62 comments posted 19yrs posted by kitmor

Modifying a Computer PS

Is it not too difficult to modify a computer SMPS? Can one just replace the heatsink, transistors, and inductors wtihou...
4 comments posted 19yrs
posted by Jon_Slaughter
4 comments posted 19yrs posted by Jon_Slaughter

FET basics

Hi, I'm studying the input stage of the following frequency meter : http://www.madlab.org/kits/FrequencyMeter.pdf http:...
5 comments posted 19yrs
posted by news
5 comments posted 19yrs posted by news

Recommendation on embedded systems

I am considering buying a development system for chip level programming and wonder what most experts recommend to someo...
4 comments posted 19yrs
posted by luv2fly99
4 comments posted 19yrs posted by luv2fly99

Matlab to C cross complier

Is there any way to cross compile a Matlab code into a C code ? the end purpoese is to cross compile that C code to ass...
2 comments posted 19yrs
posted by chaudhari.chetan
2 comments posted 19yrs posted by chaudhari.chetan

Delayed-off circuit

I'd like to build a circuit to turn off some of the equipment on my fish tank for maybe 10 minutes during feeding time....
5 comments posted 19yrs
posted by randy.day
5 comments posted 19yrs posted by randy.day

Competence

Over the last couple of weeks or so I've been having trouble with my DSL service in that it's been intermittent. That i...
22 comments posted 19yrs
posted by jfields
22 comments posted 19yrs posted by jfields

easy basic stamp question

Having a brain burb here. I need a basic stamp (actually a basic atom) to know when I step on the brake pedal of my car...
3 comments posted 19yrs
posted by Idontthinkso
3 comments posted 19yrs posted by Idontthinkso

What is the circuit frequency?

I'm reading the Art of Electronics. Before I read 'TAB Electricity and ....' I wonder how they set the circuit frequenc...
3 comments posted 19yrs
posted by k2.mountain
3 comments posted 19yrs posted by k2.mountain

Inverter Trouble - They keep blowing!

Hi All. I run a small business from a caravan & have been using inverters to power it, however I have killed 3 decent o...
3 comments posted 19yrs
posted by mike
3 comments posted 19yrs posted by mike