Hobby Electronics Basics

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LTspice question

How do I view a waveform relative to some point other than ground using LTspice? For example, how do I display the wave...
4 comments posted 14yrs
posted by bperryb
4 comments posted 14yrs posted by bperryb

Dummy book on motors

I'm looking for some reasonably introductory book on motors, relays, gears, load, torque, and such. (See my Moving a Do...
1 comments posted 14yrs
posted by wolftracks
1 comments posted 14yrs posted by wolftracks

Output to input level matching?

Hi, I have a portable radio and I would like to record the output to a digital voice recorder. The digital voice record...
4 comments posted 14yrs
posted by eno.eslaf
4 comments posted 14yrs posted by eno.eslaf

Intermatic HB51R dusk til dawn timer

Anyone know how this timer works. From past experience it's a little bizarre. It somehow depends on what time of day yo...
3 comments posted 14yrs
posted by wolftracks
3 comments posted 14yrs posted by wolftracks

More Xmas light adventures

Will a string of LED lights completely fail if one light fails?
7 comments posted 14yrs
posted by wolftracks
7 comments posted 14yrs posted by wolftracks

VEPCO Ain't Gonna Load Level for Free

Virginia Electric Power CO just started charging $60/mo more for anyone with solar panels. This makes financing for a m...
6 comments posted 14yrs
posted by Bret_E_Cahill
6 comments posted 14yrs posted by Bret_E_Cahill

Circuit digram collection

While searching for information on a multiplier IC, I found this useful=20 collection of circuit diagrams: http://www.s...
17 comments posted 14yrs
posted by paul
17 comments posted 14yrs posted by paul

Multimeter Question

So, I think I learned the hard way this morning that you're not supposed to measure the voltage of an AC motor across t...
12 comments posted 14yrs
posted by robert.l.snyder
12 comments posted 14yrs posted by robert.l.snyder

Making a Xmas tree light bulb tester

I understand their our tree light testers that allow one to slip a bulb into a hole, and an led will tell you if its de...
3 comments posted 14yrs
posted by wolftracks
3 comments posted 14yrs posted by wolftracks

Xmas: 50 lights on and 50 off

I started putting up outdoor Xmas lights (small candle shape) today, and noticed 1/2 the string, 50, probably 100 in to...
13 comments posted 14yrs
posted by wolftracks
13 comments posted 14yrs posted by wolftracks

Noisy Phone (speaker?)

We have a Panasonic cordless set of phones. In the last month, we've noted that occasionally the ringer (speaker, I sup...
6 comments posted 14yrs
posted by wolftracks
6 comments posted 14yrs posted by wolftracks

Cost to run a Energy Star refrigerator

Hi, This may not be the best group to post this but maybe someone has a quick answer. I'm looking for a small compact 1...
11 comments posted 14yrs
posted by N
11 comments posted 14yrs posted by N