Hobby Electronics Basics

  1. Home
  2. Hobby Electronics Basics
9387 Threads Posts
to

Worth reading in Hobby Electronics Basics

why no corona discharge from power lines?

Something i've never puzzled out.. If I make a 14kv generator (and I have made a few high voltage generators in my time...
4 comments posted 16yrs
posted by joe
4 comments posted 16yrs posted by joe

Asking about Amplitude Shift Keying

Hello group, I posted a screen capture of an image showing a basic Amplitude Shift Key modulation: http://imgur.com/Ahw...
12 comments posted 16yrs
posted by mr.whatever
12 comments posted 16yrs posted by mr.whatever

Why Jefferson Is Critical for Engineers

Design should serve the needs man. Without Jefferson, you aren't serving the needs of man. You are serving nonsense or...
20 comments posted 16yrs
posted by BretCahill
20 comments posted 16yrs posted by BretCahill

Voltage rating of keyboard cable?

A question: Have one of those older style keyboard cables in hand; this one is NOS (i.e. brand new, old stock). It has...
4 comments posted 16yrs
posted by tsanford
4 comments posted 16yrs posted by tsanford

45-degree diagonal cutters?

I used to own a pair of flush cutters where the jaws and the handles met at about a 45-degree angle. Made for a nice to...
133 comments posted 16yrs
posted by invalid
133 comments posted 16yrs posted by invalid

vandergraph generator

My son and I have made one of those vander graph generator's There is a belt that carries a positive charge up to a met...
10 comments posted 16yrs
posted by rickj
10 comments posted 16yrs posted by rickj

Why No Live Rewind Devices for Radio

We have DirecTV and the control device (sort of like a DVR) allows us to watch TV, and then back up during a live broad...
5 comments posted 16yrs
posted by wolftracks
5 comments posted 16yrs posted by wolftracks

electronic box

Hello When I make my electronic stuff I often have a problem to get a box to put it in : They are expensive an often in...
3 comments posted 16yrs
posted by emmanuel_robert
3 comments posted 16yrs posted by emmanuel_robert

Snubber for triac light switch?

If I use a triac as a simple on-off switch to control a lamp at mains voltage, do I need a snubber across the triac? Sa...
4 comments posted 16yrs
posted by pawihte
4 comments posted 16yrs posted by pawihte

Inventing Is No Longer Optional

Whenever some idiot on a science or tech tries to bluff he is more worthwhile than Al Gore in a dust devil, just ask him...
2 comments posted 16yrs
posted by BretCahill
2 comments posted 16yrs posted by BretCahill

need help with a senior project for college

I am a 50 year old fart who got hurt at work and qualified for vocational rehab and am getting my second AS degree, thi...
16 comments posted 16yrs
posted by ctgatheringofeagles
16 comments posted 16yrs posted by ctgatheringofeagles

Quirky old LCD

I've got an old 16x2 character LCD, no make or model number visible. It uses an SED1278F0A and a KS0065. I can get it t...
4 comments posted 16yrs
posted by randy.day
4 comments posted 16yrs posted by randy.day

Magnet Damage to LCD

So, I know that speaker and light magnets donot damage LCD like they used to dmage CRT's. However, my daughter a mere 2...
8 comments posted 16yrs
posted by intiha
8 comments posted 16yrs posted by intiha

Crank powered USB charger?

Hello, I would like to build a simple crank powered USB charger. I have very little experience in electronics, but I th...
1 comments posted 16yrs
posted by sorensong
1 comments posted 16yrs posted by sorensong