[Problems with headphones... static?]

Maybe ::) there is a GHOST in your Heahphones?? ;D LOOOL

neways, ur sure, there aren't loose connections right near the headphone driver where the wire joins?? Maybe try opening the headphones?

[Electronic Dimmer Switches]

Hello there people!,

I recently thought of an idea, of designing a timer switch for my parents washroom. cuz, they leave the fan on and forget it.

Later i realized that there are switches like that in the market already! (my idea is outdated :) ) :D

Neways, Do you guyz know how these switches are created and designed? Like can somebody tell me the theory behind this timer switch ? For ex: like this one below:

[LED question???]

hey dudez,

i got this 7-segment LED display, which i have to use it on my project. WHich is basically about adding two 2-bit numbers. and subtraction.

Well, the problem is, i dont know what the leads of this LED are.., like which one is a, b, c....g etc ??

OK. the LED looks like this:



It has 5 pins on the left and 5 on the right.

And if u look from the top view, there are 2 dots on each side of the digit on the top.

Can somebody plz help me where the a, b, c....g goes??and etc.

Thanks
dino.