Hobby Electronics Basics

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Group's favourite SPICE software

Hello group, I'm looking for SPICE software recommendations, both freeware and for purchase. Whose programs do you use,...
4 comments posted 18yrs
posted by franciselers
4 comments posted 18yrs posted by franciselers

Charging 6v battery's

I have 4 - 6 volt 58 amp battery's. Is there any way to wire them in series, so I can wire loads of 6v 12v and 24v and w...
10 comments posted 18yrs
posted by rickj
10 comments posted 18yrs posted by rickj

I want to make a gain controlled motor

I have chosen that project for my college. I will use a potentiometer to vary the resistance and that resistance will v...
2 comments posted 18yrs
posted by faizanahmed666
2 comments posted 18yrs posted by faizanahmed666

How to drive piezo atomizer?

I am in need of some help as I attempt to improve my circuit design skills. I am trying to reverse engineer one of thos...
4 comments posted 18yrs
posted by davidhavell
4 comments posted 18yrs posted by davidhavell

Need A-cell source

I need to find a source to either buy or salvage a few ROUND Amorphous solar cells. These are the glass type used in so...
0 comments posted 18yrs
posted by jbasi
0 comments posted 18yrs posted by jbasi

Recording LP's to PC ?

I can not afford to purchase an all singing and dancing box of tricks so that I can record my LP's to my PC. Would anyo...
24 comments posted 18yrs
posted by the_constructor
24 comments posted 18yrs posted by the_constructor

Can landline wiring be adapted for VOIP?

An extension from our landline telephone service runs into a TIVO receiver from a conveniently located RJ-11 wall jack...
0 comments posted 18yrs
posted by Smitmit
0 comments posted 18yrs posted by Smitmit

Electrical Service in home

I have a 60 amp panel and want to change it to 100 amp. Should the feed from the pole support 100 amp. Thanks Rick
6 comments posted 18yrs
posted by rickj
6 comments posted 18yrs posted by rickj

Korg Delta (was 100kB sliders)

Thank you, everyone on this group who helped me with my project. Now that I got my keyboard up and running I am posting...
0 comments posted 18yrs
posted by rabiticide
0 comments posted 18yrs posted by rabiticide

Trivial question for electricians

Just a quick question for any electicians or the like out there: In the summer I work construction, and I've noticed so...
5 comments posted 18yrs
posted by stargoatee
5 comments posted 18yrs posted by stargoatee

goodmorning

hi how are u
1 comments posted 18yrs
posted by aravakannareddy
1 comments posted 18yrs posted by aravakannareddy

DC to DC Converter 1V to 5V

I need to convert 1Vdc to 5Vdc. I can find a lot of circuit for bigger amounts but nothing for the little bit I want. So...
16 comments posted 18yrs
posted by a
16 comments posted 18yrs posted by a

18F2550 / 18F4550 USB

Hello Anybody ran experiments with the MC 18F4550 or 2550 USB capable controllers and managed to acchieve good speed? I...
2 comments posted 18yrs
posted by feedback
2 comments posted 18yrs posted by feedback

Crystal Radio Tuning Cap

I found a schematic of a very small crystal radio, and would like to build it, only thing is, it needs a 250 pF mica tr...
7 comments posted 18yrs
posted by the1930s
7 comments posted 18yrs posted by the1930s