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Path: utzoo!utgpu!water!watnot!watmath!clyde!rutgers!ames!ucbcad!ucbvax!hplabs!pesnta!phri!cooper!gene
From: gene@cooper.UUCP
Newsgroups: sci.electronics
Subject: Re: Infra-Red Receiver?
Message-ID: <801@cooper.UUCP>
Date: Thu, 26-Mar-87 14:50:58 EST
Article-I.D.: cooper.801
Posted: Thu Mar 26 14:50:58 1987
Date-Received: Sat, 28-Mar-87 11:02:17 EST
References: <1922@ihlpl.ATT.COM> <562@puff.WISC.EDU> <3972@fritz.UUCP>
Organization: The Cooper Union (NY, NY)
Lines: 30
Summary: More on IRLEDs...

In article <3972@fritz.UUCP>, dennisg@fritz.UUCP (Dennis Griesser) writes:
>               ... until I found out that the data printed on the back of
> the blister pack gave the WRONG PIN-OUT FOR THE IR LED!

What I do in most cases is not to trust such things like "short lead is the
cathode, long lead is the anode" or any pictures of the case. Unless the
LED is in a mondo-strango case, look through the plastic and match the leads
with this drawing:



	-------(-===-)----  ----
	|               /   |  |
	|  ------------/    |  |
	|  |                |  |
	|  |                |  |
	|  |    ---|<---    |  |
                C      A


					Gene

					...!ihnp4!philabs!phri!cooper!gene

	"Mourn for us, so pressed with fear.
	 Chained and shackled, we all found
	 Freedom choked, in dread we lived
	 Since Tyrant was enthroned."

				- RJAH