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Building homemade car trickle charger

There are a couple of products around to maintain a car battery. They work is different but similar ways, the most comp...
3 comments posted 22yrs
posted by Simon
3 comments posted 22yrs posted by Simon

Counter with increment acknowledge

Hello! I need a digital counter which has the ability of sending the acknowledgement signal on one of its outputs! I ne...
22 comments posted 22yrs
posted by hrvoje.baricNOSPAM
22 comments posted 22yrs posted by hrvoje.baricNOSPAM

Re: Microwave ovens and gold

> I hate to throw away my heirloom dishes with gold trim but a dish that can > not be put in a microwave oven, is not a...
4 comments posted 22yrs
posted by rcrowley7
4 comments posted 22yrs posted by rcrowley7

FA: (30 min left) VME Desktop Enclosure/Chassis

Auction Dec-10-03 19:30:00 PST (22:30 EST) A very nice (unused) 6-slot VME chassis/desktop enclosure. It includes a pow...
0 comments posted 22yrs
posted by johnebaynospam
0 comments posted 22yrs posted by johnebaynospam

Residential wiring: round box & outlet?

Round box (4", I think) flush with wall board, used to have lamp fixture attached. Want to install overhead on ceiling...
2 comments posted 22yrs
posted by me
2 comments posted 22yrs posted by me

UCN4202 ?

I am looking for datasheet on UCN4202. I found : -this description on the net : UCN4202 N104202 16 Driver and Tran. Ste...
0 comments posted 22yrs
posted by gkevg
0 comments posted 22yrs posted by gkevg

Tek 2465 front panel cover?

With all the Tek 2465's that are supposedly dying and/or being put of service (or outright sent to the crusher), why is...
1 comments posted 22yrs
posted by me
1 comments posted 22yrs posted by me

Ionic Mist/fog makers

This may be off topic, but I cant think of a better group to at least find a lead. I am speaking of these new Ionic mis...
3 comments posted 22yrs
posted by bnd-66
3 comments posted 22yrs posted by bnd-66

phone cct

Can anyone explain how I can make a telephone ring without being connected to the telephone lin. This is for a play. Tha...
3 comments posted 22yrs
posted by grodgers
3 comments posted 22yrs posted by grodgers

Cheap Isolation Transformer ??

I need an isolation transformer, 1:1, 115VAC input/output, at about 100mA. Everything I can quickly locate is big and e...
16 comments posted 22yrs
posted by invalid
16 comments posted 22yrs posted by invalid

Circuit Design/Components for R/C Brake Lights

I am looking to put together a small circuit to activate red led lights on my R/C truck but I am unsure as to the compo...
10 comments posted 22yrs
posted by mark
10 comments posted 22yrs posted by mark

[OT] oxide

My old computer is starting to rust. There are great withe patches on metalic parts. Someone told me its oxide. It seem...
5 comments posted 22yrs
posted by orange
5 comments posted 22yrs posted by orange