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; Wed, 8 Sep 2021 11:12:06 -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 188HxSNc010679; Wed, 8 Sep 2021 14:00:27 -0400 Received: from outgoing-exchange-1.mit.edu (OUTGOING-EXCHANGE-1.MIT.EDU [18.9.28.15]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 188HxSHm010676 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Wed, 8 Sep 2021 13:59:28 -0400 Received: from oc11exedge2.exchange.mit.edu (OC11EXEDGE2.EXCHANGE.MIT.EDU [18.9.3.18]) by outgoing-exchange-1.mit.edu (8.14.7/8.12.4) with ESMTP id 188HxPGL023567 for ; Wed, 8 Sep 2021 13:59:28 -0400 Received: from oc11expo18.exchange.mit.edu (18.9.4.49) by oc11exedge2.exchange.mit.edu (18.9.3.18) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Wed, 8 Sep 2021 13:58:41 -0400 Received: from oc11exhyb5.exchange.mit.edu (18.9.1.110) by oc11expo18.exchange.mit.edu (18.9.4.49) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Wed, 8 Sep 2021 13:59:12 -0400 Received: from NAM02-BN1-obe.outbound.protection.outlook.com (104.47.51.45) by oc11exhyb5.exchange.mit.edu (18.9.1.110) with Microsoft SMTP Server (TLS) id 15.0.1497.23 via Frontend Transport; Wed, 8 Sep 2021 13:59:12 -0400 Received: from MWHPR21CA0064.namprd21.prod.outlook.com (2603:10b6:300:db::26) by SN6PR0102MB3502.prod.exchangelabs.com (2603:10b6:805:e::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4500.14; Wed, 8 Sep 2021 17:59:15 +0000 Received: from CO1NAM11FT056.eop-nam11.prod.protection.outlook.com (2603:10b6:300:db:cafe::37) by MWHPR21CA0064.outlook.office365.com (2603:10b6:300:db::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4523.3 via Frontend Transport; Wed, 8 Sep 2021 17:59:15 +0000 Received: from mail-4318.protonmail.ch (185.70.43.18) by CO1NAM11FT056.mail.protection.outlook.com (10.13.175.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4500.14 via Frontend Transport; Wed, 8 Sep 2021 17:59:14 +0000 From: madscientistatlarge To: Microcontroller discussion list - Public. Sender: "piclist-bounces@mit.edu" Date: Wed, 8 Sep 2021 10:59:01 -0700 Subject: Re: [EE] CRT monitor issue Thread-Topic: [EE] CRT monitor issue Thread-Index: Adek3Qi7uq6mU9sDTa+NE5sX6DAXQA== Message-ID: References: <84c5032e-698c-1efe-e61c-6f21e8741e81@narwani.org> List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: <84c5032e-698c-1efe-e61c-6f21e8741e81@narwani.org> Reply-To: Microcontroller discussion list - Public. Accept-Language: en-US X-MS-Exchange-Organization-AuthAs: Anonymous X-MS-Exchange-Organization-AuthSource: TS500.efplus4.local X-MS-Has-Attach: X-Auto-Response-Suppress: All X-MS-Exchange-Organization-SenderIdResult: Pass X-MS-Exchange-Organization-PRD: mit.edu X-MS-TNEF-Correlator: received-spf: Pass (protection.outlook.com: domain of protonmail.com designates 185.70.43.18 as permitted sender) receiver=protection.outlook.com; client-ip=185.70.43.18; helo=mail-4318.protonmail.ch; dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail; t=1631123952; bh=3GAZJyogV4iQsTG+l6KYtg2fLESohCN1ZLqh2pkSJ48=; h=Date:To:From:Reply-To:Subject:In-Reply-To:References:From; b=xTj24OZJ5+aE7Teophg9BXf8v+rtPYh8A9AXvV/7palStdLuC6vYas61sJsLQlfBu dW8mMk9AQNM+/gc98/01Ozaqpuw720y5XCOPTms+AC9TVzRR/3mqiUwJQhCgEVcbTF TzjuSCZHcxB8WRR7zQgx0ZSmWoztPGa2McTJwSbA= authentication-results: spf=pass (sender IP is 185.70.43.18) smtp.mailfrom=protonmail.com; mit.edu; dkim=pass (signature was verified) header.d=protonmail.com;mit.edu; dmarc=pass action=none header.from=protonmail.com; errors-to: piclist-bounces@mit.edu list-id: "Microcontroller discussion list - Public." list-post: x-beenthere: piclist@mit.edu x-mailman-version: 2.1.6 x-spam-checker-version: SpamAssassin 3.4.4 (2020-01-24) on mailout.protonmail.ch x-spam-status: No, score=-1.2 required=10.0 tests=ALL_TRUSTED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM shortcircuit=no autolearn=disabled version=3.4.4 x-topics: [EE] x-mime-autoconverted: from quoted-printable to 8bit by PCH.mit.edu id 188HxSHm010676 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 SXQncyBub3QgdW51c3VhbCBhcyBpdCBhZ2VzIGFuZCBwaWNrcyB1cCBkaXJ0LiAgSSd2ZSBldmVu IHNlZW4gaXQgaW4gYSBjb21wbGV0ZWx5IGNsZWFuIFRWLCBhcmNpbmcgdmVyeSByYXJsZWx5ICg8 MXggZGF5KSBiZWNhdXNlIHRoZSBzZWNvbmQgYW5vZGUgbGVhZCB3YXMgYWJvdXQgYW4gaW5jaCBm cm9tIGEgc2hhcnAgZWRnZSBvbiBhIGhlYXRzaW5rLiAgSW5zdWxhdGluZyB0aGUgZWRnZSBvZiB0 aGUgaGVhdHNpbmsgc29sdmVkIGl0IChzZXZlcmFsIGxheWVycyBvZiB0aGUgdW5zdWxhdGlvbiB0 aGF0IGlzIGZyZXF1ZW50bHkgdXNlZCBuZWFyIHRoZSBhbm9kZSBjb25uZWN0aW9uLCAicmVkIGds eXB0IiBpcyBhIGJyYW5kIG5hbWUgZm9yIHRoZSBiYXNpY2FsbHkgcGxhc3RpYyBicnVzaCBvbiBj b2F0aW5nKS4gIE9mIGNvdXJzZSBpZGVhbGx5IHlvdSB3YW50IHRvIGZpbmQgd2hlcmUgaXQncyBh cmNpbmcuICBJdCBjb3VsZCBiZSBhdCB0aGUgSFYgY29ubmVjdGlvbiB0byB0aGUgdHViZSBvciBv biB0aGUgZmx5YmFjay9mb2N1cyBhc3NlbWJseSwgaXQgY291bGQgZXZlbiBiZSBhcmNpbmcgaW4g dGhlIGZseWJhY2suICBJdCBtYXkgYWxzbyB1c2UgYSBoaWdoIHZvbHRhZ2UgdHJpcGxlciwgd2hp Y2ggYXJlIGEgcmVsaWFiaWxpdHkgaXNzdWUgYW5kIGJlaW5nIHBvdHRlZCBpbiBwbGFzdGljIGhv dXNpbmdzIGFyZSBlc3NlbnRpYWxseSBpbXBvc3NpYmxlIHRvIHJlcGFpci4gIEl0IGNhbiBiZSBo YXJkL2ltcG9zc2libGUgdG8gbG9jYXRlIGJ5IHNvdW5kIGV2ZW4gd2l0aCB0aGUgY292ZXIgb2Zm IGJ1dCBzb21ldGltZXMgeW91IGNhbiB0ZWxsIChpZiBpdCBoYXBwZW5zIHdoaWxlIHdhdGNoaW5n KS4gIEFueSBhcmMgbWF5IGJlIGNvbmNlYWxlZCBvciBvYnZpb3VzbHkgaW1wb3NzaWJsZSB0byBz ZWUgZnJvbSB0aGUgZnJvbnQuCgpJJ3ZlIHNlZW4gc3VjaCBhIHZvbHRhZ2UgbXVsdGlwbGllciB0 aGF0IGV2ZW50dWFsbHkgbGVmdCBlbm91Z2ggb2YgYW4gYXJjIHRyYWNrIHRoYXQgaXQgc3RhcnRl ZCBhcmNpbmcgY29udGludW91c2x5LiAgT2YgY291cnNlLCB3YXRjaCBvdXQgZm9yIHRoZSBzZWNv bmQgYW5vZGUgbGVhZCBhbmQgcHJvcGVybHkgZGlzY2hhcmdlIGl0IGJlZm9yZSB3b3JraW5nIG9u IGl0LiAgQSBzY3Jld2RyaXZlciB3aXRoIGEgd2VsbCBpbnN1bGF0ZWQgaGFuZGxlIGFuZCBhIGNs aXAgbGVhZCBpcyB0aGUgdXN1YWxseSBzb3VsdGlvbiwgdXNlIHRoZSBjbGlwIGxlYWQgdG8gZ3Jv dW5kIHRoZSBzY3Jld2RyaXZlciBhbmQgdGhlbiBjYXJlZnVsbHkgc2xpcCBpdCB1bmRlciB0aGUg c2Vjb25kIGFub2RlIGNhcCB1bnRpbCBpdCB0b3VjaGVzIHRoZSBtZXRhbCBzcHJpbmcgaW5zaWRl LiAgU2FtZSBmb3IgYW55IGxlYWQgb24gdGhlIHZvbHRhZ2UgbXVsdGlwbGllci4gIE9mIGNvdXJz ZSBpdCBuZWVkcyB0byBiZSBvZmYgYW5kIHVucGx1Z2VkIGJlZm9yZSB5b3UgZG8gdGhpcywgaXQg aXMgaGF6YXJkb3VzIGFuZCB5b3UgbWlnaHQgbm90IGhhdmUgYSBjaGFuY2UgdG8gbGVhcm4gZnJv bSBtaXN0YWtlcywgaG9wZWZ1bGx5IHlvdSBoYXZlIHNvbWUgZXhwZXJpZW5jZSB3aXRoIEhWIG9y IGluIGFueSBjYXNlIHRoYXQgaXQgY2FuIGtpbGwuICBUaGVyZSBtYXkgb3IgbWF5IG5vdCBiZSBy ZXNpc3RvcnMgYnVpbHQgaW4gdG8gc2FmZWx5IGRpc2NoYXJnZSBpdCB3aGVuIG9mZiwgYW5kIHRo ZXkgbWF5IG5vIGxvbmdlciB3b3JrIGV2ZW4gaWYgdGhleSB3ZXJlIGluc3RhbGxlZC4gIFNvbWUg VGVsZXZpc2lvbnMgaGF2ZSB0aGVtIGFuZCBzb21lIGRvbid0LCBzYW1lIGZvciBhIG1vbml0b3Iu ICBUaGUgQ1JUIGlzIHVzZWQgYXMgYSBjYXBhY2l0b3IgZm9yIHRoZSBIViwgdGhlIG91dHNpZGUg aGFzIGEgY29uZHVjdGl2ZSBjb2F0aW5nIChleGNlcHQgYXJvdW5kIHRoZSBhbm9kZSBjb25uZWN0 aW9uKSBvbiB0aGUgb3V0c2lkZSB0aGF0IGlzIGdyb3VuZGVkLCBvbmUgb24gdGhlIGluc2lkZSB0 aGF0IHNtb290aHMgdGhlIGFub2RlIHZvbHRhZ2UuICBZb3Ugd2FudCB0byB1c2UgdGhlIENSVCBt b3VudGluZyBiYWNrZXRzIG9yIHRoZSB3aXJlIHVzdWFsbHkgc3RyZXRjaGVkIG92ZXIgdGhlIG91 dHNpZGUgb2YgdGhlIHR1YmUgYXMgYSBncm91bmQgZm9yIHlvdXInIGdyb3VuZCBjb25uZWN0aW9u LiAgSGVhdHNpbmtzIG1heSBub3QgYmUgY29ubmVjdGVkIHRvIGdyb3VuZCBpbiB3aGljaCBjYXNl IHlvdSdkIGJlIGluamVjdGluZyB0aGUgSFYgdGhlcmUsIGRlc3Ryb3lpbmcgYXQgbGVhc3QgYSB0 cmFuc2lzdG9yLgoKClNlbnQgd2l0aCBQcm90b25NYWlsIFNlY3VyZSBFbWFpbC4KCuKAkOKAkOKA kOKAkOKAkOKAkOKAkCBPcmlnaW5hbCBNZXNzYWdlIOKAkOKAkOKAkOKAkOKAkOKAkOKAkAoKT24g V2VkbmVzZGF5LCBTZXB0ZW1iZXIgOHRoLCAyMDIxIGF0IDk6MTAgQU0sIE5laWwgPHBpY2R1ZGUz QG5hcndhbmkub3JnPiB3cm90ZToKCj4gSSdtIGxvb2tpbmcgYXQgcGlja2luZyB1cCBhbiBvbGQg QzY0IGNvbXB1dGVyIGFuZCBtb25pdG9yIGZyb20gc29tZW9uZSwKPgo+IGJ1dCB0aGUgbW9uaXRv ciAid29ya3MsIGJ1dCBoYXMgYW4gZWxlY3RyaWNhbCBkaXNjaGFyZ2UgaXNzdWUuLi4gZXZlcnkK Pgo+IG1pbnV0ZSBvciB0d28gY2hhcmdlIHdpbGwgYnVpbGQgdXAgYW5kIGNyZWF0ZSBhIGxvdWQg cG9wcGluZyBub2lzZSIuCj4KPiBJIHVzdWFsbHkgd29uJ3QgZ2V0IHNvbWV0aGluZyB0aGF0IGhh cyBhbiBpc3N1ZSBiZWNhdXNlIEkgZG9uJ3QgaGF2ZSB0aGUKPgo+IHRpbWUgdG8gY2hhc2UgdGhp cyBkb3duLsKgIEFueSBpZGVhIGlmIHRoaXMgaXMgY29tbW9uIGFuZCBlYXNpbHkKPgo+IGZpeGFi bGU/wqAgSSd2ZSBuZXZlciB3b3JrZWQgb24gbW9uaXRvcnMgYmVmb3JlLCBzbyB3b3VsZG4ndCBr bm93IHdoZXJlCj4KPiB0byBiZWdpbiBmaWd1cmluZyB0aGlzIG91dC4KPgo+IC0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KPgo+IGh0dHA6Ly93 d3cucGljbGlzdC5jb20vdGVjaHJlZi9waWNsaXN0IFBJQy9TWCBGQVEgJiBsaXN0IGFyY2hpdmUK Pgo+IFZpZXcvY2hhbmdlIHlvdXIgbWVtYmVyc2hpcCBvcHRpb25zIGF0Cj4KPiBodHRwOi8vbWFp bG1hbi5taXQuZWR1L21haWxtYW4vbGlzdGluZm8vcGljbGlzdAoKLS0gCmh0dHA6Ly93d3cucGlj bGlzdC5jb20vdGVjaHJlZi9waWNsaXN0IFBJQy9TWCBGQVEgJiBsaXN0IGFyY2hpdmUKVmlldy9j aGFuZ2UgeW91ciBtZW1iZXJzaGlwIG9wdGlvbnMgYXQKaHR0cDovL21haWxtYW4ubWl0LmVkdS9t YWlsbWFuL2xpc3RpbmZvL3BpY2xpc3QK .