General Electronics

A/D power formula

Anyone out there know how to convert a bunch of analog voltage samples into a power reading? Do you just square the samp...

2 comments posted 19yrs

posted by bob

2 comments posted 19yrs posted by bob

Digital ballast for high pressure sodium lamp. Schematics?

Hi! Those ballasts are available for around $150 in aquaristic shops, and are told to have much better efficiency, prol...

2 comments posted 19yrs

posted by dse.3.ragnarroeck

2 comments posted 19yrs posted by dse.3.ragnarroeck

A0540 datasheet

Hallo, is there anyone who can help me finding the SIEMENS (???) A0540 datasheet? Thak You, Bye

0 comments posted 19yrs

posted by gio972

0 comments posted 19yrs posted by gio972

Purpose of the relay (6 Volt)

I am experimenting on an older (1955) motor scooter that operates on a 6 volt AC magneto. I want to install a 6 volt AC...

30 comments posted 19yrs

posted by joseev

30 comments posted 19yrs posted by joseev

Assistnce with construction of circuit

I want to build a physical pressure sensor that detects pressure and transmits this information into a recording device...

0 comments posted 19yrs

posted by sofiayahya

0 comments posted 19yrs posted by sofiayahya

Connect old stereo to PC

I wish to burn old 78 rpm records to CDs. I have an old Stereo with a 78 rpm player but it has no output jacks. There a...

5 comments posted 19yrs

posted by rbezona

5 comments posted 19yrs posted by rbezona

Exploded NiCd Batteries

While attempting a home-charge of a set of NiCd batteries, they were left unattended and consequently exploded (relativ...

6 comments posted 19yrs

posted by doc

6 comments posted 19yrs posted by doc

Zenith model sd5237w

Help!! I can't turn on my Zenith TV...there is a TV on/off switch, but it's just a touch tab...and it won't work...is th...

1 comments posted 19yrs

posted by flowers413

1 comments posted 19yrs posted by flowers413

microcontroller simulation software with serial virtual port to PC softwear?

Hi to all, I'm search for microcontroller simulation software as Proteus, but with virtual serial port to be connected...

0 comments posted 19yrs

posted by abacusSP

0 comments posted 19yrs posted by abacusSP

Method and circuit to reduce Jitter?

Hi, I am an electrical engineering student and I am interested in circuit design. Unfortunety I am not so familiar with...

17 comments posted 19yrs

posted by currypieker

17 comments posted 19yrs posted by currypieker

Ion Fan

Ion Fan I'm thinking of making an Ion Fan as described here http://www.inventgeek.com/Projects/IonCooler2/Overview.aspx...

0 comments posted 19yrs

posted by Stephen7372

0 comments posted 19yrs posted by Stephen7372

Any cellular whizzes out there ?

Hello people, My CDMA phone went "missing" and was "found" after a couple of days. Ever since this guy in whose presenc...

6 comments posted 19yrs

posted by susan_2007_new

6 comments posted 19yrs posted by susan_2007_new

My monitor display shakes when cable tv cable is pluged in to the modem

Greetings everyone.I have problem with my cable connection.All time when my cable tv cable is connected to cable modem(...

10 comments posted 19yrs

posted by blackonyx001

10 comments posted 19yrs posted by blackonyx001

Jeep with touchscreen and laptop installed

Looks like a fun project. Guy rigged his Jeep up with a laptop, touchscreen, etc http://www.computerworld.com/action/art...

1 comments posted 19yrs

posted by sousa_jon

1 comments posted 19yrs posted by sousa_jon

Prototype Project - Looking for some help

Howdy, I'm currently working on a project to build an machine that uses Impact Sensors (Tekscan, Interlink, any other i...

16 comments posted 19yrs

posted by synapsedm

16 comments posted 19yrs posted by synapsedm