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Simple in-car PSU design?

Hello everyone. I wonder if anybody could point me towards a simple multi-output PSU which can be run from a cars' ~12...
3 comments posted 19yrs
posted by carl
3 comments posted 19yrs posted by carl

"Simple" hour/minute binary clock?

I've been all up and down Google for a couple hours now trying to find project instructions for a binary clock that dis...
30 comments posted 19yrs
posted by owner
30 comments posted 19yrs posted by owner

disable cold junction compensation

I was wondering if anyone might know how to disable the cold junction reference on a Watlow 93 temperature controller....
4 comments posted 19yrs
posted by ian_journeaux
4 comments posted 19yrs posted by ian_journeaux

Where is the darn piezo (with pics)

I have this brand new garmin vista GPS The alarm sound/beeper is just not loud enough. It is a little louder than a wat...
13 comments posted 19yrs
posted by Idontthinkso
13 comments posted 19yrs posted by Idontthinkso

Datasheets wanted for WT7514L

Datasheets wanted for WT7514L snipped-for-privacy@rescator.org Thank you
0 comments posted 19yrs
posted by alain
0 comments posted 19yrs posted by alain

Monochrome LCD in128x160 pixels?

Hi all I'm looking for a monochrome LCD with a 128x160 resolution somewhere around 1.5"-2.0". I have found several supp...
1 comments posted 19yrs
posted by davidzxz
1 comments posted 19yrs posted by davidzxz

GSRU20030 replacement

I'm trying to find an equivalent for a GSRU20030, from what I can find, Si NPN Vceo=300 Vcbo=400 Ic=25 Pmax=200 TO-224AA...
0 comments posted 19yrs
posted by skamego
0 comments posted 19yrs posted by skamego

S-Video switching

Hey gang. My AV needs are fairly novice, standard def TV etc, but I am in need of an electronic means to switch between...
2 comments posted 19yrs
posted by jasonandjessi
2 comments posted 19yrs posted by jasonandjessi

Need advice on dumping 80C51 ROM

I have an 80C51 equivalent IC chip, P80C521, and i think it has internal either 8 or 16K of ROM. no external ROM on the...
6 comments posted 19yrs
posted by nospam
6 comments posted 19yrs posted by nospam

help in designing amplifiers

as a hobbyist i want to design ---amplifier with ic of STK4141 II. ---all pin configurations & descriptions of misroproc...
1 comments posted 19yrs
posted by arunkumar9944
1 comments posted 19yrs posted by arunkumar9944

powering a LED through the human skin

I am trying to solve a problem of having wires going up to an MP3 player to the earpiece. I also didn't want the weight...
37 comments posted 19yrs
posted by sensecam
37 comments posted 19yrs posted by sensecam

Anyone need SK9155?

I just came into 31 pieces of SK9155 VMOS Power FET N-channel. If anybody needs some, please let me know. $2 each plus s...
0 comments posted 19yrs
posted by theehman
0 comments posted 19yrs posted by theehman

SMD Capacitors with a built-in resistance

Hello, In my current project, I'm getting strange results from a passive RC filter made out of SMD parts. It's acting l...
7 comments posted 19yrs
posted by uvasux
7 comments posted 19yrs posted by uvasux

JFET as unijunction transistor?

It strikes me that a JFET, junction field effect transistor, has the same basic structure as a unijunction transistor....
1 comments posted 19yrs
posted by salmonegg
1 comments posted 19yrs posted by salmonegg