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- Newsgroups: sci.electronics
- Path: sparky!uunet!gatech!gsusgi1.gsu.edu!gsusgi1.gsu.edu!regmad
- From: regmad@gsusgi2.gsu.edu (Michael de Kraker)
- Subject: Re: 9 or 12 VDC Flasher Circuit
- Message-ID: <regmad.727655345@gsusgi1.gsu.edu>
- Organization: Georgia State University
- References: <C17prF.41B@da_vinci.it.uswc.uswest.com>
- Distribution: usa
- Date: Thu, 21 Jan 1993 22:29:05 GMT
- Lines: 28
-
- pprun@august.it.uswc.uswest.com writes:
-
-
- >I want to build or buy a relatively cheap flasher. I want to flash
- >an LED between 1 & 2 times/second. I could use either 9 or 12 VDC (don't
- >ask why - it's a long story). Either a parts list, maybe with the pin
- >outs, or a phone number for a catalog would be appreciated by this
- >software engineer (hey, this is a *hardware* problem :-)
-
-
- >Pete Prun
- >pprun@lookout.mnet.uswest.com
-
-
- LM3909 - Led flasher IC cost about $1 ( I think RS still sells this )
- Requires external capacitor which controls the flash rate and
- will flash for months on a AA cell.
-
- Flasing LED - Led with built-in flashing component. about $2 (RS also)
-
- _______ ______
- / / / / Michael A. de Kraker
- / /______ / / Georgia State University 404-651-2390
- / ___ / / / Internet:REGMAD@GSUSGI2.GSU.EDU
- /_______/ ______/ /_______/ BITNET :REGMAD@GSUVM1 PACKET:KD4FKW@W4QO
-
- To iterate is human, to recurse devine
-
-