Received: from PCH.mit.edu (18.7.21.50) by mail.efplus.com (192.168.0.8) with Microsoft SMTP Server (TLS) id 8.3.485.1; Sat, 25 Apr 2020 22:52:44 -0700 Received: from PCH.MIT.EDU (localhost.localdomain [127.0.0.1]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 03Q5j0uh019496; Sun, 26 Apr 2020 01:45:09 -0400 Received: from outgoing-exchange-5.mit.edu (OUTGOING-EXCHANGE-5.MIT.EDU [18.9.28.59]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 03Q5ixMY019493 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sun, 26 Apr 2020 01:44:59 -0400 Received: from oc11exedge2.exchange.mit.edu (OC11EXEDGE2.EXCHANGE.MIT.EDU [18.9.3.18]) by outgoing-exchange-5.mit.edu (8.14.7/8.12.4) with ESMTP id 03Q5j5DZ031282 for ; Sun, 26 Apr 2020 01:45:05 -0400 Received: from OC11EXPO27.exchange.mit.edu (18.9.4.98) by oc11exedge2.exchange.mit.edu (18.9.3.18) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Sun, 26 Apr 2020 01:44:15 -0400 Received: from oc11exhyb4.exchange.mit.edu (18.9.1.100) by OC11EXPO27.exchange.mit.edu (18.9.4.98) with Microsoft SMTP Server (TLS) id 15.0.1365.1; Sun, 26 Apr 2020 01:44:58 -0400 Received: from NAM11-CO1-obe.outbound.protection.outlook.com (104.47.56.169) by oc11exhyb4.exchange.mit.edu (18.9.1.100) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Sun, 26 Apr 2020 01:44:58 -0400 Received: from CO2PR18CA0060.namprd18.prod.outlook.com (2603:10b6:104:2::28) by MN2PR01MB5325.prod.exchangelabs.com (2603:10b6:208:10f::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2937.22; Sun, 26 Apr 2020 05:44:57 +0000 Received: from CO1NAM03FT043.eop-NAM03.prod.protection.outlook.com (2603:10b6:104:2:cafe::3) by CO2PR18CA0060.outlook.office365.com (2603:10b6:104:2::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2937.13 via Frontend Transport; Sun, 26 Apr 2020 05:44:57 +0000 Received: from p-impout001.msg.pkvw.co.charter.net (47.43.26.133) by CO1NAM03FT043.mail.protection.outlook.com (10.152.81.125) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2921.25 via Frontend Transport; Sun, 26 Apr 2020 05:44:56 +0000 Received: from [127.0.0.1] ([75.183.89.221]) by cmsmtp with ESMTPA id Sa61ja3iE75eYSa62jLO8g; Sun, 26 Apr 2020 05:44:55 +0000 From: John Ferrell To: "piclist@mit.edu" Sender: "piclist-bounces@mit.edu" Date: Sat, 25 Apr 2020 22:44:54 -0700 Subject: Re: [EE] Seeking audio relay advice Thread-Topic: [EE] Seeking audio relay advice Thread-Index: AdYbjugudnc1adBMSoefHv08uPAhnA== Message-ID: References: <8a833047-7b51-5866-e397-2cfed473973b@triad.rr.com> List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: <8a833047-7b51-5866-e397-2cfed473973b@triad.rr.com> Reply-To: Microcontroller discussion list - Public. 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On 4/26/2020 1:39 AM, John Ferrell wrote: > On 4/25/2020 5:54 AM, Forrest Christian (List Account) wrote: >> the real question is what is the >> failure mode on the relays. --=20 John Ferrell W8CCW Julian NC 27283 It is better to walk alone, than with a crowd going the wrong direction. --Diane Grant --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .