Hobby Electronics Basics

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Solid State relay question

I have a solid state relay that has 5 to 24Vdc input requirements, and 24 to 240Vac~10amps load limitations. Can I hook...
4 comments posted 18yrs
posted by bborb
4 comments posted 18yrs posted by bborb

Weird problem in Full wave (FW) bridge rectifier

I am working on implementation of FW bridge rectifier (without any filter). I am applying a sinusoidal input (1 Phase,...
4 comments posted 18yrs
posted by dkmishra
4 comments posted 18yrs posted by dkmishra

RS-232 electrical levels

Hi all, My question es very short: concerning RS-232 ports, why bit-1 is represented as a negative pulse if it goes thr...
4 comments posted 18yrs
posted by mario.garcia
4 comments posted 18yrs posted by mario.garcia

70V questions

Hi Guys (Posted this on alt.electronics but it seems like only spam lives out there) I need to use 70V to power a solen...
8 comments posted 18yrs
posted by coetzee.evert
8 comments posted 18yrs posted by coetzee.evert

how to use Digital oscilloscope?

dear members Kindly explain me how to use Digital oscilloscope.because i am entairly new to use this also i have an dig...
2 comments posted 18yrs
posted by sfirthouse
2 comments posted 18yrs posted by sfirthouse

Splitting Audio Signal

I am thinking about starting a project where I will need to split an input audio signal (from a guitar) into two matchi...
15 comments posted 18yrs
posted by bcr07548
15 comments posted 18yrs posted by bcr07548

Voltage Regulator

Quick question: Using a 7812 voltage regulator to maintain a constant voltage to a circuit (@ about 100ma) where the in...
12 comments posted 18yrs
posted by nancydow26
12 comments posted 18yrs posted by nancydow26

What exactly is a four symbol pulse?

Hi! I'm reading this article: http://www.broadcast.net/~sbe1/8vsb/8vsb.htm I'm trying to get myself familiarized with D...
2 comments posted 18yrs
posted by mr.whatever
2 comments posted 18yrs posted by mr.whatever

A simple question

Hi all, Just a simple question, I discussed with many people and got different analysis. Just want comments from you gu...
7 comments posted 18yrs
posted by vedpsingh
7 comments posted 18yrs posted by vedpsingh

LED schematic

I am a jeweler who knows nothing about electronics.I was refered to this site for help. I want to do jewelry with a LED...
4 comments posted 18yrs
posted by designsbyowen
4 comments posted 18yrs posted by designsbyowen

Switching voltage regulator question

I have four 3.6V 800mAh LI-Po prismatic cells that I want to build into a pack for a radio control receiver/servos and...
3 comments posted 18yrs
posted by gashmore
3 comments posted 18yrs posted by gashmore

Can someone explain this (simple) schematic

Hi, This is a schematic I've been given for a laser detector circuit. The laser is being pulsed at about 600Hz and the...
5 comments posted 18yrs
posted by kasterborus
5 comments posted 18yrs posted by kasterborus

Where to find nanofarad capacitors in the US?

I'm following a schematic that calls for 330nF, 120nF and 100nF caps. I can't find a source for nanofarad caps in the U...
10 comments posted 18yrs
posted by kasterborus
10 comments posted 18yrs posted by kasterborus