General Electronics

Battery charger: 50Hz to 60Hz?

Hi Everyone, I have a 4-battery charger, for AA and AAA batteries, made by Energizer with specs: 220-240V, 50Hz, 7 Watt...

0 comments posted 20yrs

posted by RedFox

0 comments posted 20yrs posted by RedFox

Battery charger - 50 Hz at 60 Hz

Hi Experts I have an Energizer 4-unit AA or AAA battery charger that was designed for 220-240V 50 Hz, 7 watts. What woul...

13 comments posted 20yrs

posted by RedFox

13 comments posted 20yrs posted by RedFox

mystery fan switch wiring

I can't figure this out. Four position, 4 wire switch. Power wire(white) goes directly to the switch and also goes dire...

9 comments posted 20yrs

posted by pmarsREMOVE

9 comments posted 20yrs posted by pmarsREMOVE

How can digital be more spectrum efficient than analog ?

It's common knowledge that digital technology gives more telephone [4 Khz wide] channels than analog technology - for t...

161 comments posted 20yrs

posted by no-top-post

161 comments posted 20yrs posted by no-top-post

Help Designing Light Airplane to Camcorder Adapter

Hi, I'd like to use a camcorder in a light airplane, but I'd like the audio to come from the aircraft intercom system (...

3 comments posted 20yrs

posted by dta

3 comments posted 20yrs posted by dta

Am transmitter - vlsi project

Hi, I need to design an AM transmitter as a vlsi project (it needs to be located on smart dust later on). Does anyone h...

9 comments posted 20yrs

posted by hlepek

9 comments posted 20yrs posted by hlepek

Glass fuse question

I have a domestic DVD recorder that's suddenly stopped working (no longer under warranty / guarantee). So I did the nor...

3 comments posted 20yrs

posted by douglashall13th

3 comments posted 20yrs posted by douglashall13th

wireless button question

Hello, I was wondering if anyone in here might know how I might be able to control an analog switch with a wireless but...

1 comments posted 20yrs

posted by panfilero

1 comments posted 20yrs posted by panfilero

wireless button project

Hello, I was wondering if anyone in here might know how I might be able to control an analog switch with a wireless but...

19 comments posted 20yrs

posted by panfilero

19 comments posted 20yrs posted by panfilero

D-sub cables without screws

I'm looking for 9-pin D-sub cables without screws (like on old cheap mice and console yoysticks). All the D-Sub cables...

1 comments posted 20yrs

posted by pkk

1 comments posted 20yrs posted by pkk

convert audia tapes to CD's

Hi, I hope to find some help here.. How can I convert audio tapes to CD's?? Thank You!!!

4 comments posted 20yrs

posted by see.lindasmail

4 comments posted 20yrs posted by see.lindasmail

Integrated powerline modem

Hi, I am looking for both an integrated (IC) powerline modem and an integrated comunication "error controller". I need...

0 comments posted 20yrs

posted by no.spam

0 comments posted 20yrs posted by no.spam

practical supercapacitor?

Hi folks, I want to put a supercapacitor to use, preferably as follows. I want to charge it in my house, then take it o...

22 comments posted 20yrs

posted by yubbers9

22 comments posted 20yrs posted by yubbers9

control strobe with midi

I've been looking around without success for a gadget that will control a strobe by midi signal. Perhaps there's nothin...

2 comments posted 20yrs

posted by tg

2 comments posted 20yrs posted by tg

AT Miditower - LED MHz Display

Hi NG I am restoring an older PC-AT Case. TASK TK-370 Mini Tower, exactly. There are three jumper-like connectors on th...

8 comments posted 20yrs

posted by daniel_mandic

8 comments posted 20yrs posted by daniel_mandic