[Diy_efi] DIY-WB construction & testing... help

[Brian Dessent]

Andrew Brownsword wrote:

> "The cathode (+) is identified by end having the stripe , a "+" marking, or
> a longer lead. Also notable is that the LED has a flat spot machined on side
> of the lens corresponding to the anode (-). On the schematic, the cathode is
> the base of the triangle and the anode is the straight bar with the triangle
> pointing at it. Notice that the cathode (+) being identified by a stripe is
> a theme repeated on the circuit board (even for diodes like the LED which
> are not identified this way). If the leads have already been cut on your
> LED, look inside the diode. You'll notice two hunks of metal. The larger is
> the anode."

FYI - this is backwards.  Cathode == negative, Anode == positive.  The
anode is the base of the triangle of the diode symbol and the cathode is
the point of the triangle with a stripe.  The stripe usually means
cathode in general in diode markings.

Brian

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