Hobby Electronics Basics

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Add a power connector to a 9800GT ECO?

I have a ZOTAC 9800GT ECO that does not include an auxiliary power connector. Anybody know what including auxiliary pow...
2 comments posted 15yrs
posted by jdoe
2 comments posted 15yrs posted by jdoe

160 volt 3-8 amp power supply?

I'm pondering a power supply for some surplus servo motors a friend picked up. Based on testing and investigating, I'm...
25 comments posted 15yrs
posted by dj
25 comments posted 15yrs posted by dj

Question for electronics engineers

Hello Everyone, I'm looking for something I don't know the name of it and I'm hoping someone here can tell me what it's...
5 comments posted 16yrs
posted by papillion
5 comments posted 16yrs posted by papillion

Rotary switch?

The old Radio Shack catalog had two rotary switches. One was a 12-pole, 1-position, shorting. The other was a 2-pole, 6...
12 comments posted 16yrs
posted by gh424NO824SPAM
12 comments posted 16yrs posted by gh424NO824SPAM

transistor NOT gate

I am trying to build a NOT gate similar to this one: http://www.kpsec.freeuk.com/trancirc.htm#inverter and was wondering...
13 comments posted 16yrs
posted by mrdarrett
13 comments posted 16yrs posted by mrdarrett

Initiating capacitor discharge with a spark

Hello, I have a question about air ionization. The problem is as follows: a large capacitor is to be discharged "by a s...
18 comments posted 16yrs
posted by piotr23ne
18 comments posted 16yrs posted by piotr23ne

Old PIC stuff

While rummaging in the oldies bin, trying to find the ROM emulators for TXMarsh, I found those: http://it.tinypic.com/r...
6 comments posted 16yrs
posted by TOGLIeset
6 comments posted 16yrs posted by TOGLIeset

measuring ac wattage from ampere

Hi I am in india where the AC mains supply is 220 v 50hz. Now I have a device which has a rating of 1 amp. How do measu...
46 comments posted 16yrs
posted by suraj.joneja
46 comments posted 16yrs posted by suraj.joneja

Operatng a remote control remotely!

Hi, I have a remote control that opens the garage doors when a button is pressed. I wish to do this remotely so have sh...
6 comments posted 16yrs
posted by remcg
6 comments posted 16yrs posted by remcg

Tilt Switches

I have tried both ball bearing and mercury tilt switches. So far, both have kind of a stutter. That is, when you tilt t...
6 comments posted 16yrs
posted by bonnypatty
6 comments posted 16yrs posted by bonnypatty