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Researching car horns and other car sounds

Hi there! I'm researching car horns and other car sounds (i.e. trunk open, door open and lock etc.) If you have a great...
0 comments posted 23yrs
posted by regina.pontes
0 comments posted 23yrs posted by regina.pontes

Thank You for your help on a crystal problem.

I would like to tank you for help on this poblem with crystals and on how to build these simple resonators. to get the...
0 comments posted 23yrs
posted by swiper
0 comments posted 23yrs posted by swiper

Balun

Could anybody help with understanding baluns? So far I know they transform unbalanced input to balanced output and vice...
7 comments posted 23yrs
posted by sthim2003
7 comments posted 23yrs posted by sthim2003

Re: A Teletext ghost... speaks

> 3) Some truth here too. Most consumer were only interested in > watching TV. Those who wanted information found bulle...
1 comments posted 23yrs
posted by mattax
1 comments posted 23yrs posted by mattax

PCB Etching Nightmare

I have tried my first positive photo resist etch. The light exposure / developing step went great. All the exposed part...
27 comments posted 23yrs
posted by brwilliams
27 comments posted 23yrs posted by brwilliams

Sample of RF Technology Application

this device uses RF Technology to simply control powerpoint slides. === http://www.e88.us ===
5 comments posted 23yrs
posted by js83945
5 comments posted 23yrs posted by js83945

Rebate - Finally

Back on May 21, I bought a 5-port Gigafast switch for $34.95 with a $25 rebate. Yesterday, Aug 11, I finally received t...
15 comments posted 23yrs
posted by NOSPAM
15 comments posted 23yrs posted by NOSPAM

Re: 10hr Timer Design Help

A stop watch works for me. > Can anyone help point me in the right direction? > > I want to make a timer circuit using...
1 comments posted 23yrs
posted by colin.watters
1 comments posted 23yrs posted by colin.watters

Source for Sealed Push Button Switches

I am looking for a rubber sealed switch that is used in flash lights. Thanks in advance!
4 comments posted 23yrs
posted by ecope
4 comments posted 23yrs posted by ecope

Re: working outdoors

>[wants to do electronics work outside in park]. > > Assuming these logistical problems could be solved, there is also...
1 comments posted 23yrs
posted by pcassel1
1 comments posted 23yrs posted by pcassel1

Re: Failure of Teletext in the US

> 1. A law was passed making it a requirement for TV broadcaster to use > some system of captioning and TV manufacturer...
19 comments posted 23yrs
posted by w9wi
19 comments posted 23yrs posted by w9wi

Difference btw PWB and PCB

Hi, Can anyone kind to tell me what's the difference btw PWB (printed Wiring Board) and PCB (printed Circuit board)? I...
16 comments posted 23yrs
posted by e_mc2
16 comments posted 23yrs posted by e_mc2