General Electronics

Mains wiring question (USA)

A 1-story, flat-roof house (no basement) in California is going to be re-covered, so it's a prime time to do some elect...

59 comments posted 16yrs

posted by bespoke

59 comments posted 16yrs posted by bespoke

Practical implementation of the I_PARAMETER for PID control

Hello, I'm looking for the best choice to implement fast PID controllers using limited computational resources. The per...

0 comments posted 16yrs

posted by eli.hait

0 comments posted 16yrs posted by eli.hait

Remote Controlled flashlight ??

I would like to be able to turn a flashlight on and off with a wireless remote from about 20' away (or so). I figured i...

0 comments posted 16yrs

posted by harry

0 comments posted 16yrs posted by harry

DATUM TymServe 2000 Op/Sv Manual request

Hi, I`m looking for DATUM TymServe 2000 (TS2000-GPS) Network Time Server Operating/Service manual - Copy or download opt...

0 comments posted 16yrs

posted by maREMOVEBEFOREREPLYurinot

0 comments posted 16yrs posted by maREMOVEBEFOREREPLYurinot

Structured wiring: fiber optic or not?

A friend is having a new roof put on his his 50-year-old, flat-roof home. This provides access to all kinds of new wiri...

14 comments posted 16yrs

posted by bespoke

14 comments posted 16yrs posted by bespoke

Components Store

For new, obsolete, and hard to find components take a look at: http://cic-electronic-components-store.ebid.net New store...

0 comments posted 16yrs

posted by cicel

0 comments posted 16yrs posted by cicel

TEKTRONIX 5403/D40 Oscilloscope -- Does It Work?

I bought a used Subject scope 10 years ago and really never used it, except to try it for simple tasks. It was probably...

2 comments posted 16yrs

posted by wolftracks

2 comments posted 16yrs posted by wolftracks

Residental mains wiring questions (USA)

I am installing a new meter & load panel. The old panel is 50 feet from the new location. I'm going to install a juncti...

46 comments posted 16yrs

posted by bespoke

46 comments posted 16yrs posted by bespoke

the optimal battery

Battery technology is an active area of research, but an obvious question occurs to me: why is it, no one has determine...

22 comments posted 16yrs

posted by r_delaney2001

22 comments posted 16yrs posted by r_delaney2001

Brass to Steel & RFI

Hello Everyone, I am into building an R/C plane. It is from a plan, so I must make most parts myself. If I can get a po...

1 comments posted 16yrs

posted by NOwaynerrSPAM

1 comments posted 16yrs posted by NOwaynerrSPAM

Microcontrollers for sale

I have 120 (new in tubes) MC68HC705P6ACDW Microcontrollers 8 Bit 2.1MHz 4.5K OTP 28-SOIC from a bankruptcy auction. I w...

0 comments posted 16yrs

posted by woodturner550

0 comments posted 16yrs posted by woodturner550

PCB photo/etch chemicals

I'd like to, occasionally, make my own PCBs for "stuff". The key here is "occasionally"... I'm sort of assuming that, s...

8 comments posted 16yrs

posted by spam

8 comments posted 16yrs posted by spam

Can fluorescent light emitters be small enough for a monitor/screen?

Hi: Is it possible to make fluorescent light emitters that are small enough to be the Rs, Gs, and Bs of the pixels of m...

16 comments posted 16yrs

posted by glucegen1x

16 comments posted 16yrs posted by glucegen1x

HELP:Measuring refresh rate of PCBs

Hi all, I built a simple circuit using te famous "sync separator" IC LM1881 in order to measure the refresh rate (Vsync...

2 comments posted 16yrs

posted by briccus

2 comments posted 16yrs posted by briccus

How do GPS tracking devices work?

Specifically, how do they transmit if they are, for example, inside a shipping container? Is there a hole drilled for a...

14 comments posted 16yrs

posted by fbt

14 comments posted 16yrs posted by fbt