Hobby Electronics Basics

Popular transistor data in spreadsheet format?

Greetings, Does anyone know of a spreadsheet (a comma separated variable format is better) that contains data for popul...

3 comments posted 12yrs

posted by garbage

3 comments posted 12yrs posted by garbage

Mystery Package

Received a mystery package today, sent from ZIP 44261 (Ohio) Looks like it might be a mechanical timer, but there's no...

12 comments posted 12yrs

posted by To-Email-Use-The-Envelope-Icon

12 comments posted 12yrs posted by To-Email-Use-The-Envelope-Icon

Glue on insulators

If you are soldering connections and want to protect the joints , these mini brush caps are a good size....

1 comments posted 12yrs

posted by perilmung

1 comments posted 12yrs posted by perilmung

BR & BRN Wire Color Abbreviations In Schematics

The lighter brown wire goes to the compressor and the darker brown to the fan. Or that's what I think I remember. They s...

0 comments posted 12yrs

posted by bret.e.cahill

0 comments posted 12yrs posted by bret.e.cahill

Does this chip exsist?

I have an old indexer controller that drives a stepper motor directly. The controller is a programmable unit that is ma...

13 comments posted 12yrs

posted by etpm

13 comments posted 12yrs posted by etpm

"Fiddled" Data

http://tinyurl.com/mecjwzt ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Si...

6 comments posted 12yrs

posted by To-Email-Use-The-Envelope-Icon

6 comments posted 12yrs posted by To-Email-Use-The-Envelope-Icon

What's this symbol?

What is it? :: http://oi62.tinypic.com/28u69on.jpg It *almost* looks like an audio connector symbol except for the arrow...

5 comments posted 12yrs

posted by invalid

5 comments posted 12yrs posted by invalid

Arrogance

http://media.hotair.com/wp/wp-content/uploads/2014/06/koskinen-arrogance.jpg and http://media.hotair.com/wp/wp-content/...

0 comments posted 12yrs

posted by To-Email-Use-The-Envelope-Icon

0 comments posted 12yrs posted by To-Email-Use-The-Envelope-Icon

Iris Motor in a Camera

Any idea where I might find a data sheet for a camera iris motor? In particular I'm trying to find out what kind of sig...

7 comments posted 12yrs

posted by To-Email-Use-The-Envelope-Icon

7 comments posted 12yrs posted by To-Email-Use-The-Envelope-Icon

Equality

http://tinyurl.com/lftrq3p ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Si...

19 comments posted 12yrs

posted by To-Email-Use-The-Envelope-Icon

19 comments posted 12yrs posted by To-Email-Use-The-Envelope-Icon

Sound Card LCR Meter

[SHAMELESS PLUG] Possibly relevant to "On old electrolytic caps" thread, but also for general interest, I've just relea...

5 comments posted 12yrs

posted by N0Spam

5 comments posted 12yrs posted by N0Spam

?s on identifying a 555 timer chip

Here's one... If I had a circuit that made use of a 555 timer chip, but it was not marked in any way that I could ident...

11 comments posted 12yrs

posted by db5151

11 comments posted 12yrs posted by db5151

Delay In Motion Detection Security Lights

Wouldn't it be better if motion activated security lights had a 10 - 20 second delay? That way the burglar would think a...

4 comments posted 12yrs

posted by bret.e.cahill

4 comments posted 12yrs posted by bret.e.cahill

Ta Da!

Ta Da! Title of Invention: METHODS SYSTEMS AND DEVICES FOR MINIMIZING POWER LOSSES IN LIGHT EMITTING DIODE DRIVERS Fili...

4 comments posted 12yrs

posted by To-Email-Use-The-Envelope-Icon

4 comments posted 12yrs posted by To-Email-Use-The-Envelope-Icon

? on old electrolytic caps

I have an LCR meter which shows the ESR for electrolytic caps, but I have no idea how to interpret this number. How do...

19 comments posted 12yrs

posted by db5151

19 comments posted 12yrs posted by db5151