Hobby Electronics Basics

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Use which data acquisition system ?

Hi, I start an experiment to take voltage readings of 6-8 samples. Just considering which data acquisition system to us...
0 comments posted 20yrs
posted by rioking21
0 comments posted 20yrs posted by rioking21

Displacement current in MOSFET

Dear all, The gate would act like a capacitor to the source and drain. But if the signal is AC, would that cause displac...
1 comments posted 20yrs
posted by lucky7456969b
1 comments posted 20yrs posted by lucky7456969b

updated tech news

I'm looking for feeds and rss containing updated tech news because i want to improve my news aggregator: http://www.awo...
0 comments posted 20yrs
posted by cello
0 comments posted 20yrs posted by cello

Electrical Engineering Course Material

Hi, I have just started playing with electronics, this was because my brother needed a device to do a job and I figured...
4 comments posted 20yrs
posted by none
4 comments posted 20yrs posted by none

Q: What connector is this?

Hello, I'm like to buy some of these; http://www.retro.dial.pipex.com/2pole.jpg That's the 2 pole version, but ideally...
15 comments posted 20yrs
posted by techie_alison
15 comments posted 20yrs posted by techie_alison

Unused pins on IC

What do you do with the unused pins on the IC? Leave it floating or connect it directly to ground?
2 comments posted 20yrs
posted by vcteo1
2 comments posted 20yrs posted by vcteo1

Ultrasonic Range Meter

Hi, I am trying to build an ultrasonic range meter using an AU5550 (http://www.jaycar.co.nz/products_uploaded/AU5550.pd...
25 comments posted 20yrs
posted by akarshs
25 comments posted 20yrs posted by akarshs

Digital meter feedback?

I bought a Chinese digital ammeter on eBay like this one: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7592942796...
11 comments posted 20yrs
posted by cprstn54
11 comments posted 20yrs posted by cprstn54

Frequency divider (divide by 100)

I need to make a phase stable divide by 100 frequency divider. The input signal is 10Mhz, and I need 100kHz output. Pha...
14 comments posted 20yrs
posted by sck0006
14 comments posted 20yrs posted by sck0006

Comparator circuit for temp indicator

I have two circuits at http://bellsouthpwp.net/k/e/kelmark2180/therm.html to show what I am thinking. I am trying to ma...
11 comments posted 20yrs
posted by dwbauer
11 comments posted 20yrs posted by dwbauer

Internet-ready µP available?

Hi all, I'm just wondering whether there is a µP or µC that has Ethernet I/O connections, a built-in TCP/IP stack and c...
4 comments posted 20yrs
posted by leomeyer_LIKES_NO_SPAM
4 comments posted 20yrs posted by leomeyer_LIKES_NO_SPAM

combining 2 power supplies

Hi, Over the years, I've kept a few ATX power supply from old computers. Now, I'm thinking about upgrading my computer...
3 comments posted 20yrs
posted by newsgroup
3 comments posted 20yrs posted by newsgroup

Clocks and serial data transmission

I'm currious as to if there are any single line tranmission techniques that include the clock on the data line? I was t...
6 comments posted 20yrs
posted by Abstract.Dissonance
6 comments posted 20yrs posted by Abstract.Dissonance

IDE connector dimensions

Does anyone know what's the dimension of the standard 40 pin IDE connector? I need it to draw my PCB. Thanks.
5 comments posted 20yrs
posted by vcteo1
5 comments posted 20yrs posted by vcteo1

SwitcherCAD - no thyristor?

Does it include a thyristor? I've been trying to find one and I can't.
3 comments posted 20yrs
posted by nospam
3 comments posted 20yrs posted by nospam