General Electronics

Re: lead acid battery maintenance.

> CWatters wrote: > > > > Avoid > > storing the battery where it can get cold and damp. > >Put it on wooden blocks > >...

3 comments posted 22yrs

posted by krw

3 comments posted 22yrs posted by krw

Easiest LED indication of rs232 activity?

Hi all! I'm trying to figure out the simplest way of getting a visual indication of activity on a rs232 Tx line. I know...

13 comments posted 22yrs

posted by fun.arctic

13 comments posted 22yrs posted by fun.arctic

Sine wave generator

Hi, I am doing a project on a sine wave generator circuit. problem: when I simulated it, it gave me triangular wave ins...

3 comments posted 22yrs

posted by nohams

3 comments posted 22yrs posted by nohams

Looking for Hitachi C2117T Service Menu code

Hi, I am desperately looking for the way to get into the Service Menu on a Hitachi C2117T television. Anyone? Thanks, Al...

5 comments posted 22yrs

posted by lentjes

5 comments posted 22yrs posted by lentjes

Phone Line In-Use LED

Well, here's my entry into the phone-in-use contest: http://home.earthlink.net/~rich_grise/images/InUse.gif Cheers! Rich

1 comments posted 22yrs

posted by spam

1 comments posted 22yrs posted by spam

CAT 6 cable for VGA???

Can CAT 6 cable be used to run VGA signal from a PC??? Thanks Dave

3 comments posted 22yrs

posted by davwal

3 comments posted 22yrs posted by davwal

sequential LED RPM shift light, ?

Hi all, I was wondering if anyone has ever come across any designs for a sequential LED RPM shift light. I race cars, a...

1 comments posted 22yrs

posted by myronx19

1 comments posted 22yrs posted by myronx19

Bye-bye $$$

We have five "old" (1996) compaq proliant 4500 servers sitting by the door at work, waiting to be taken to the boneyard...

4 comments posted 22yrs

posted by NOSPAM

4 comments posted 22yrs posted by NOSPAM

Ohm's Law calculator for Palm OS?, (Power/Work and Energy, Kirchoff's Law?)

Hi all, I'd love to find a Ohm's Law calculator for my Palm OS (3.1) PDA as a study tool. It would be great if I could...

2 comments posted 22yrs

posted by myronx19

2 comments posted 22yrs posted by myronx19

Slaying the Hummer

I've installed a 1/4" phono jack that cuts out the 3" TV speaker when I plug in the phones. But I get a whole lot of hu...

7 comments posted 22yrs

posted by ctn41205

7 comments posted 22yrs posted by ctn41205

Negative charge circuit to repel snow paticles

Is there any one who can advice me on building a negative charge circuit. I am a beginner at circuit designing and i wa...

12 comments posted 22yrs

posted by rajkumar512

12 comments posted 22yrs posted by rajkumar512

Wind Speed amd Direction Indicator

Does anyone have a link to where I may find a schematic or even a kit for a digital windspeed/direction indicator? TIA

2 comments posted 22yrs

posted by Spam

2 comments posted 22yrs posted by Spam

Microstepper Driver

The ProDrive-2000 Microstepper Driver: +24-80vdc / 1-7 amps / 200kHz. / Very low dissipation. Low cost ($79 USD) to the...

0 comments posted 22yrs

posted by johnny_smith_20022002

0 comments posted 22yrs posted by johnny_smith_20022002

Two TDA1554 on one radiator??

Hello, I want to put two TDA1554 amplifiers on one radiator. Can I do that? I'm asking, because I don't know if the bac...

0 comments posted 22yrs

posted by adeon

0 comments posted 22yrs posted by adeon

Air flow and vacuum/pressure sensors in a dust collection system

Hello Everybody, In an industrial application I need to monitor air flow and pressure/vacuum in a dust collection syste...

3 comments posted 22yrs

posted by nospam_robertohawkowski

3 comments posted 22yrs posted by nospam_robertohawkowski