Knock Sensor Light and Alarm problems...

[Robert W. Hughes]

> Check the diodes.  The anode is the arrow on schematic diagrams.  If you're
> like me, you probably tossed the package as soon as you opened them.  In
> that case, the black band on one end of the diode is the anode, IFIRC.

The marked end/lead of a diode, band, notch, shorter lead,etc, is always
the CATHODE which is the bar in the schematic symbol.
-- 
Robert W. Hughes (Bob)
BackYard Engineering
29:40.237N, 95:28.726W or perhaps 30:55.265N, 95:20.590W
Houston, Texas "The city with too much Oxygen"
rwhughe at ev1.net
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