Hobby Electronics Basics

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ferrite beads?

Can someone tell me what a 'ferrite bead vk200, vk600' is? how much do they cost? are they an easy-to-find component?
4 comments posted 21yrs
posted by cyberhun
4 comments posted 21yrs posted by cyberhun

Smart Tweezers: Automatic RCL meter: Is it any good?

Does anybody know about this: Smart Tweezers: Automatic RCL meter offered at http://www.siborg.com/smarttweezers/ST_Can...
3 comments posted 21yrs
posted by michael_sakha
3 comments posted 21yrs posted by michael_sakha

Choice of resistors

Does anybody have ideas as to when choosing resistors what should be the criteria ? Right now for my design I am using...
6 comments posted 21yrs
posted by aman.bindra
6 comments posted 21yrs posted by aman.bindra

ds1620 to pic

hai can any one help me out in giving hints to write a programme for pic and ds1620 temperature sensor to communicate
6 comments posted 21yrs
posted by balakrishnavakamalla
6 comments posted 21yrs posted by balakrishnavakamalla

Are DC servo motors linear?

I know the subject doesn't say it all. I would like to compare some DC servo motors without having to mount them each o...
2 comments posted 21yrs
posted by etpm
2 comments posted 21yrs posted by etpm

Where to start

Hi, I am a complete newbie when it comes to electronics. Now that I have thrown that out there, I was wondering if some...
2 comments posted 21yrs
posted by mflatley
2 comments posted 21yrs posted by mflatley

Dynamic Microphone Modification?

I would like to use a dynamic mic with my computer which normally takes an electret microphone. How would i go about mak...
1 comments posted 21yrs
posted by puns
1 comments posted 21yrs posted by puns

Potentially painful

Biking is much more fun than electronics, especially as summer is icumen in, but do you youngsters *know* about it? E.g...
27 comments posted 21yrs
posted by robin.pain
27 comments posted 21yrs posted by robin.pain

Delay without affecting pulse width

Hello, Is there a circuit that can delay a pulse train without affecting its width? The pulse width is about 1.5ms to 2...
25 comments posted 21yrs
posted by slackin
25 comments posted 21yrs posted by slackin

A basic question about DC power conversion

I have a 15V voltage regulator V which supplies current to a device D. This device supplies current at 5V. Is it correc...
6 comments posted 21yrs
posted by aman.bindra
6 comments posted 21yrs posted by aman.bindra

Advice Please: "Solder-Proof" Material

I need to create a special wire holder that will allow me to hold down and solder multiple leads to a PCB, and I just w...
8 comments posted 21yrs
posted by Searcher7
8 comments posted 21yrs posted by Searcher7

Tube socket layout software?

--At the moment I'm trying to fab some "sockets" out of copper plated PC board. Dimensions are decidedly non-standard (...
3 comments posted 21yrs
posted by steamer
3 comments posted 21yrs posted by steamer

Soldering iron temperature

I just got a WES50 with the variable temperature. Now I don't know what to set it to! Right now I am doing a project wi...
2 comments posted 21yrs
posted by u035m4i02
2 comments posted 21yrs posted by u035m4i02

Custom PCB

The other day I came across this custom PCB manufacture, http://www.futurlec.com/PCBService.shtml I never imagined you...
9 comments posted 21yrs
posted by 1qazse4
9 comments posted 21yrs posted by 1qazse4