Hobby Electronics Basics

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LTSpice newbie 555 qiestion

(This may well be a dumb question but)... Is it possible to simulate a 555 timer using LTSpice? I can't seem to find the...
3 comments posted 20yrs
posted by dave
3 comments posted 20yrs posted by dave

Programming a video controller

Hi, Iam working on a project that deals with programming a video controller to allow for overlaying text over the digit...
0 comments posted 20yrs
posted by ramyach
0 comments posted 20yrs posted by ramyach

MOSFET packaging

Hi, I'am putting together a H-bridge and I have found some interesting SO-8 MOSFETs with combined P/N channels on the s...
4 comments posted 20yrs
posted by erik1969
4 comments posted 20yrs posted by erik1969

Solder Paste Flux?

Hi all, I just went to local electronics hobby store and got GC Electronics Soldering Paste (Flux). I'm now confused. T...
7 comments posted 20yrs
posted by bigschlong
7 comments posted 20yrs posted by bigschlong

PIC and Transistor

Basically what I want to do is use the output pins of my PIC to activate some transistors. If i understand correctly, a...
13 comments posted 20yrs
posted by b.clarke
13 comments posted 20yrs posted by b.clarke

Data Acquisition Card for oscilloscope

Hi, Which brand would you recommend if I'd like to purchase a data acquisition card to emulate a scope? I've seen VDLink...
2 comments posted 20yrs
posted by lucky7456969b
2 comments posted 20yrs posted by lucky7456969b

Simple and available video decoders?

Hi, I want to develop my own video grabber, for some experimentation with video image processing. I wonder if there is...
5 comments posted 20yrs
posted by erik1969
5 comments posted 20yrs posted by erik1969

Tri State Devices

Is a Tri State "driver"(I think thats what its called) basicaly a device which lets you set either Low Z or High Z? som...
4 comments posted 20yrs
posted by Abstract.Dissonance.hotmail.co
4 comments posted 20yrs posted by Abstract.Dissonance.hotmail.co

Pic programmer

I'm trying to make a pic programmer. Something like http://www.qsl.net/dl4yhf/winpic/#eprom_prog (which is also the sof...
13 comments posted 20yrs
posted by Abstract.Dissonance.hotmail.co
13 comments posted 20yrs posted by Abstract.Dissonance.hotmail.co

video formats

My major is Computer Science but I am working on a project that involves much about video signals. I have verly little...
3 comments posted 20yrs
posted by ramyach
3 comments posted 20yrs posted by ramyach

16 bit eeprom

hi everyone i need 16 bit parallel eeprom. Anyone know where i can find this IC? if there's no 16 bit parallel eeprom,...
14 comments posted 20yrs
posted by denidoank
14 comments posted 20yrs posted by denidoank

Channel Length Modulation

Hi friends, I'm studying channel length modulation (CLM) in MOSFET. Simply speaking, when a n-channel transistor is in...
0 comments posted 20yrs
posted by chickenwing2010
0 comments posted 20yrs posted by chickenwing2010

(Beginner) Varistor or TVS

I'm building a power line modem. I need a transient protection stage btwn the plug and my circuit. Btwn a varistor and...
19 comments posted 20yrs
posted by vcteo1
19 comments posted 20yrs posted by vcteo1

polarized to bipolar caps

hi there!!! Greetings, i want to ask from the group how to make a bipolar capacitor out of two polarized electrolytic c...
2 comments posted 20yrs
posted by cheian07
2 comments posted 20yrs posted by cheian07

Req circuit to record from phone line (UK)

I'm in the UK. I want to record my landline phone calls. I once made a crude device which had a transformer (don't know...
16 comments posted 20yrs
posted by mail
16 comments posted 20yrs posted by mail