General Electronics

IC Power source / sink limits

Hi, I'm a software developer dabbling in hardware for the first time, building a device controlled by a PIC microcontro...

5 comments posted 19yrs

posted by news

5 comments posted 19yrs posted by news

What is the smallest voltmeter?

I'm looking for the very smallest -- panel mount -- LCD voltmeter. My Google searches have been dissapointing. The smal...

9 comments posted 19yrs

posted by sorry

9 comments posted 19yrs posted by sorry

high range fn transmitter

i am a student of EEE. I WANT TO KNOW HOW FM RADIO TRANSMITTER WORK?

6 comments posted 19yrs

posted by hellomrapu

6 comments posted 19yrs posted by hellomrapu

what's the 3rd conductor for on Dell laptop P/S?

Hi, I want to be able to run my Dell Inspiron 600m using a custom-made external 18V battery pack at next year's Burning...

8 comments posted 19yrs

posted by john.comeau

8 comments posted 19yrs posted by john.comeau

Battery Desulfators - Do they Really Work

Battery Desulfators - Do they Really Work I would like to have expert and experienced advice on the Pulse technology Le...

0 comments posted 19yrs

posted by hmukund

0 comments posted 19yrs posted by hmukund

Wine Cellar Controls: Simple analog control for Temperature and Humidity

While not the most electronically-inclined individual, I am a computer scientist--but have little grasp on the hardware...

5 comments posted 19yrs

posted by lukezautke

5 comments posted 19yrs posted by lukezautke

Inductive Heating

Hello, I need some help in a patent issue. I'm in search of information about inductive heating of a tool holder. For de...

3 comments posted 19yrs

posted by contact

3 comments posted 19yrs posted by contact

Hot water heater on 208 vac?

I've got a 240 v. electric water heater and a need for a 208 v (single-phase) one. What's the down-side of using this he...

21 comments posted 19yrs

posted by not

21 comments posted 19yrs posted by not

current limiter / voltage regulator question

Hello I need to deliver a variable current between 0-2 Amps to a small load (15 Ohms).... At first I was thinking about...

6 comments posted 19yrs

posted by panfilero

6 comments posted 19yrs posted by panfilero

Ethernet, Video and 12v AC in Same Pipe

I'm planning on running the three sets of wire in the Subject 60' underground 18' deep in a 1 1/2" grey electrical pipe...

6 comments posted 19yrs

posted by wolf_tracks

6 comments posted 19yrs posted by wolf_tracks

didn't know where to take this question

Don't know where to go for this info, so came here: Can I direct substitute a 1156R LED with a filament type 1156 bulb?...

0 comments posted 19yrs

posted by rbig

0 comments posted 19yrs posted by rbig

motor starting relay

I have a 230 volt, single phase, 5 hp motor on an air compressor. Not long ago the capacitor starting switches failed,...

39 comments posted 19yrs

posted by luv2fly99

39 comments posted 19yrs posted by luv2fly99

Help sizing buck/boost transformer?

Load is 130A FLA at 220V = 28.6KVA. Supply is 3-phase, "Y", 208V. Using a 120-240/12-24 buck-boost transformer, what KV...

2 comments posted 19yrs

posted by SparkyGuy

2 comments posted 19yrs posted by SparkyGuy

Connecting a TV and a monitor to a computer simultaneously

Hello! What a 26-27" panel TV inputs from a computer DVI output without distortion (with a computer resolution equal to...

4 comments posted 19yrs

posted by kopn

4 comments posted 19yrs posted by kopn

Components stores in Amsterdam?

Could anyone recommend some good electronic components stores in Amsterdam, Netherlands? My brother works there and is...

1 comments posted 19yrs

posted by sr

1 comments posted 19yrs posted by sr