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velleman mixing table

Hi, I'm looking for the schematics of these Velleman modules: K 2662 (dual VCA Fader based on TDA 1074) K 2664 ( Master...
0 comments posted 22yrs
posted by lockhead
0 comments posted 22yrs posted by lockhead

Clock Question

Anyone have an idea how one might output their PC clock information though the serial (or USB) port? My PC clock is NIS...
73 comments posted 22yrs
posted by thegreatone
73 comments posted 22yrs posted by thegreatone

Overheating transformer.

I am using a 50W (230V - 12V) transformer to drive a 5W halogen lamp. It works fine but the transformer gets very hot a...
2 comments posted 22yrs
posted by bigt
2 comments posted 22yrs posted by bigt

FS: Resistors (new, MILSPEC)

FOR SALE: New, MILSPEC, metal film resistors. If interested, make an offer we can't refuse + postage. Came from the est...
0 comments posted 22yrs
posted by pendragon
0 comments posted 22yrs posted by pendragon

microwave amplifier stabilization

Hi, Could anyone tell me how to stabilize a microwave amplifer without using feedback. I know the technique how I would...
1 comments posted 22yrs
posted by tspjor
1 comments posted 22yrs posted by tspjor

OMRON PLC

I'm looking for a use of instructions to compair two bits. I know there is a way to do it like this: LD P_On LD W4.00 A...
0 comments posted 22yrs
posted by jemiah.a
0 comments posted 22yrs posted by jemiah.a

e-mail stamps a 'comin?

N.Y. Times February 2, 2004 By SAUL HANSELL Should people have to buy electronic stamps to send e-mail? Some Internet e...
17 comments posted 22yrs
posted by no.spam
17 comments posted 22yrs posted by no.spam

Re: Help identifying fuse

>Anyhow, thanks for any efforts made on my behalf. The questions is, is the fuse blown?
5 comments posted 22yrs
posted by borism
5 comments posted 22yrs posted by borism

rf transceiver

Hi all, I am trying to build some transceivers on my own (-to build some door lockers, rf switches), but to understand...
4 comments posted 22yrs
posted by ultanir_99
4 comments posted 22yrs posted by ultanir_99

Anyone use those $ 50.00 DVR Cards ?

I am interested in setting up a very low budget 2 camera dial up web accessed PC monitoring system at an elderly relati...
0 comments posted 22yrs
posted by nospam4me
0 comments posted 22yrs posted by nospam4me

Small, very small digital camera

I'm looking for small (very small) digital camera, something like one used on mobile phones. Can some one would recommen...
5 comments posted 22yrs
posted by zxc
5 comments posted 22yrs posted by zxc

AC-DC and DC-AC converter design

I would like to find out something about the design of AC-DC and DC-AC power convertor (power supply and inverter) desi...
0 comments posted 22yrs
posted by phil-news-nospam
0 comments posted 22yrs posted by phil-news-nospam

plc control - hvac system

hello all, can anyone help me with the following problem. my question is: i'm using a controller, the satchwell IAC 600...
3 comments posted 22yrs
posted by i_burthun
3 comments posted 22yrs posted by i_burthun