Zen question

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and here comes the ZEN!!!!

My ZEN works, and, no hum :)
But the Led didnt work :(
Now i have to finish the cases.
The cubes are 20 cm wide long and hight.
@ Nelson : Thank you very much from germany.

And here are some preview pics of my ZEN:

An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
 
W.O.L.F. about LED

This you might know already.

Anyway,
a LED is a component that is easily damaged.
BY
1) Connecting in wrong direction, with anything
but very low current.
2) When soldering, be careful.
Apply only as much heat as needed. It melts easy.
3) When connecting with to much voltage over it.
The same as applying to much current.

I am not totally sure about 1)

I guess your LED shows light by now.
LED:s are also very useful as Voltage references,
often used to set working point for current-sources

groman
lights up of kind people
 
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