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; Fri, 14 Aug 2020 20:30:58 -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 07F3MBhh016491; Fri, 14 Aug 2020 23:22:29 -0400 Received: from outgoing-exchange-7.mit.edu (OUTGOING-EXCHANGE-7.MIT.EDU [18.9.28.58]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 07F3MAZ3016454 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Fri, 14 Aug 2020 23:22:10 -0400 Received: from w92exedge3.exchange.mit.edu (W92EXEDGE3.EXCHANGE.MIT.EDU [18.7.73.15]) by outgoing-exchange-7.mit.edu (8.14.7/8.12.4) with ESMTP id 07F3JiC1018487 for ; Fri, 14 Aug 2020 23:20:05 -0400 Received: from w92expo7.exchange.mit.edu (18.7.74.61) by w92exedge3.exchange.mit.edu (18.7.73.15) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Fri, 14 Aug 2020 23:21:03 -0400 Received: from oc11exhyb3.exchange.mit.edu (18.9.1.99) by w92expo7.exchange.mit.edu (18.7.74.61) with Microsoft SMTP Server (TLS) id 15.0.1365.1; Fri, 14 Aug 2020 23:21:55 -0400 Received: from NAM12-BN8-obe.outbound.protection.outlook.com (104.47.55.169) by oc11exhyb3.exchange.mit.edu (18.9.1.99) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Fri, 14 Aug 2020 23:21:55 -0400 Received: from CO2PR04CA0180.namprd04.prod.outlook.com (2603:10b6:104:4::34) by BN6PR01MB3281.prod.exchangelabs.com (2603:10b6:404:d8::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3283.16; Sat, 15 Aug 2020 03:21:53 +0000 Received: from CO1NAM03FT060.eop-NAM03.prod.protection.outlook.com (2603:10b6:104:4:cafe::48) by CO2PR04CA0180.outlook.office365.com (2603:10b6:104:4::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3283.16 via Frontend Transport; Sat, 15 Aug 2020 03:21:53 +0000 Received: from mail-wr1-f54.google.com (209.85.221.54) by CO1NAM03FT060.mail.protection.outlook.com (10.152.81.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3283.16 via Frontend Transport; Sat, 15 Aug 2020 03:21:53 +0000 Received: by mail-wr1-f54.google.com with SMTP id f7so9954375wrw.1 for ; Fri, 14 Aug 2020 20:21:53 -0700 (PDT) From: Denny Esterline To: Microcontroller discussion list - Public. Sender: "piclist-bounces@mit.edu" Date: Fri, 14 Aug 2020 20:21:39 -0700 Subject: Re: [EE] solderless breadboards VS. "Dupont connectors" Thread-Topic: [EE] solderless breadboards VS. "Dupont connectors" Thread-Index: AdZytH5ssOLL5koJRXCEI7fKjaMhMw== Message-ID: References: List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: 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 gmail.com designates 209.85.221.54 as permitted sender) receiver=protection.outlook.com; client-ip=209.85.221.54; helo=mail-wr1-f54.google.com; dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=yani6g6wnTfl38O2GL0tWqU0LGU6TzSEDznpihR+rNg=; b=YA43cPq0TOqwOwguiTwmvgmUVtMJOateU+mLB2B/yEEv51tm6Fwl4HvpRNHZJBQHTU t7zmywxnyQMXC85W5x5mipyJ2frwIxvjJCXkprGKng/PFlD8OeVB/+NexrMxE1PrUwQj Pb5nbBzBv5hu2glasUh5iNplXt/ueFeqLL4FAMw3BDjVPa278otD+uUTzF3zPmOk2W2s oS9gxYH6dRGIXZCWZ1x874x42YGJ5sOTZphHAsQKpevexkWVvYSFxb89bLn9R2bnzB+r w3Cmqs/4aBmzfwMTkTnXUD7QDgQkFGCwVTGCYw45efyDa1IgsktNqe3QJx4Y1mhYQUOC B33A== authentication-results: spf=pass (sender IP is 209.85.221.54) smtp.mailfrom=gmail.com; mit.edu; dkim=pass (signature was verified) header.d=gmail.com; mit.edu; dmarc=pass action=none header.from=gmail.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-received: by 2002:adf:f6cb:: with SMTP id y11mr4950751wrp.169.1597461711188; Fri, 14 Aug 2020 20:21:51 -0700 (PDT) x-topics: [EE] x-content-filtered-by: Mailman/MimeDel 2.1.6 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 I have some "far east import" "dupont" connectors and a caliper here on my desk, 0.022" - 0.025" So it seems the 0.040" spec is... suspect. Also, it's been my experience that breadboards are cheap compared to the time you spend chasing dodgy connections. -Denny On Fri, Aug 14, 2020 at 4:53 PM madscientistatlarge < madscientistatlarge@protonmail.com> wrote: > Circuit specialist say breadboards can tolerate 20 AWG max (0.032"), > Dupont connectors are 0.04". Will breadboards tolerate this long term or > does it slowly damage the sockets? If it wil just loosen them I'm fine > with that as long as 24 awg will continue to work. Or should I see > breadboards as having a more limited life? They have gotten a lot less > expensive. > > > Sent with ProtonMail Secure Email. > > > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=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 .