Hobby Electronics Basics

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low width and pincushion

hi there again! Could anyone help me out this monitor? NTC, model No: KM-411 The problem is low width and pincushion. I...
3 comments posted 20yrs
posted by cheian07
3 comments posted 20yrs posted by cheian07

Running motors and such

I have a device which is used to power two motors and I'm curious to how it works. It uses two 555 timers that run the...
1 comments posted 20yrs
posted by Abstract.Dissonance
1 comments posted 20yrs posted by Abstract.Dissonance

audio amp help

I have a cd jukebox and the amp has developed a distortion in both channels. It's more apparent in the base speakers an...
5 comments posted 20yrs
posted by jdieter
5 comments posted 20yrs posted by jdieter

Filtering ideas

Hello, I'm new at signal processing and was wondering if there's any new innovative methods in detect very weak signals...
20 comments posted 20yrs
posted by pmlonline
20 comments posted 20yrs posted by pmlonline

AMPS

Hi, Is there any way to know how many AMPs are comming out of a battery? Most batteries purchased at the shops dont tel...
9 comments posted 20yrs
posted by totalharmonicdistortion
9 comments posted 20yrs posted by totalharmonicdistortion

CMOS question

hi all, i just want to know whether power dissipation of CMOS depends on what factors?? Will it depend on the clock freq...
1 comments posted 20yrs
posted by raghujindia
1 comments posted 20yrs posted by raghujindia

PIC Output Pin Current

Hi, I have been looking though the PIC manual for the PIC 16F627 and cand find any details about the current you can dr...
2 comments posted 20yrs
posted by none
2 comments posted 20yrs posted by none

Toshiba 2857DB Help!!

Hi I have a Toshiba 2857DB and am experiencing a few problems with it - i was wondering if anyone on here could help. W...
5 comments posted 20yrs
posted by massoumi_85
5 comments posted 20yrs posted by massoumi_85

Problem with 555 Monostable Circuit

I am trying to create a long high pulse (around 10 minutes), then falling edge. Then have the process start over. I did...
8 comments posted 20yrs
posted by N
8 comments posted 20yrs posted by N

Motor Start / Run capacitors

Can anyone show me the "wiring diagram" for a simple motor / "start" capacitor and for the "run" capacitor?
4 comments posted 20yrs
posted by jim
4 comments posted 20yrs posted by jim

constant current driver

Hi All, I am designing a driver circuit for a solenoid of 2 ohms & 2mH. What i need is that when i connect the solenoid...
9 comments posted 20yrs
posted by naga.deer
9 comments posted 20yrs posted by naga.deer

creating a simple computer

is it possible to create a simple computer without a microprocessor? if yes .how?if no ,why?
6 comments posted 20yrs
posted by ahmad_mah19
6 comments posted 20yrs posted by ahmad_mah19

Anti-Theft Devices

I brought something today and it contained one of those anti-theft things that are like about 1.5inx1/4in or so and has...
3 comments posted 20yrs
posted by Abstract.Dissonance
3 comments posted 20yrs posted by Abstract.Dissonance

Playing with 240V

I want to test my switching PSU and my voltage regulator to see whether or not it produces my desired output. The input...
8 comments posted 20yrs
posted by vcteo1
8 comments posted 20yrs posted by vcteo1

Es/No problem?

Hi all, In Error correcting code, code_bits={data_bits+parity_bits}. I am confused with Es/No definition: Es/No = Eb/No...
1 comments posted 20yrs
posted by zhushenli
1 comments posted 20yrs posted by zhushenli