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 17:36:01 -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 07F0Rmvv027997; Fri, 14 Aug 2020 20:28:03 -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 07F0Rk9I027993 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Fri, 14 Aug 2020 20:27:46 -0400 Received: from w92exedge3.exchange.mit.edu (W92EXEDGE3.EXCHANGE.MIT.EDU [18.7.73.15]) by outgoing-exchange-5.mit.edu (8.14.7/8.12.4) with ESMTP id 07F0Qxn6024954 for ; Fri, 14 Aug 2020 20:27:27 -0400 Received: from w92expo6.exchange.mit.edu (18.7.74.60) by w92exedge3.exchange.mit.edu (18.7.73.15) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Fri, 14 Aug 2020 20:26:40 -0400 Received: from oc11exhyb6.exchange.mit.edu (18.9.1.111) by w92expo6.exchange.mit.edu (18.7.74.60) with Microsoft SMTP Server (TLS) id 15.0.1365.1; Fri, 14 Aug 2020 20:27:31 -0400 Received: from NAM10-BN7-obe.outbound.protection.outlook.com (104.47.70.105) by oc11exhyb6.exchange.mit.edu (18.9.1.111) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Fri, 14 Aug 2020 20:27:31 -0400 Received: from MW2PR2101CA0007.namprd21.prod.outlook.com (2603:10b6:302:1::20) by SN6PR01MB5309.prod.exchangelabs.com (2603:10b6:805:cb::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3283.20; Sat, 15 Aug 2020 00:27:30 +0000 Received: from CO1NAM03FT058.eop-NAM03.prod.protection.outlook.com (2603:10b6:302:1:cafe::d0) by MW2PR2101CA0007.outlook.office365.com (2603:10b6:302:1::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3326.0 via Frontend Transport; Sat, 15 Aug 2020 00:27:30 +0000 Received: from mail-ed1-f47.google.com (209.85.208.47) by CO1NAM03FT058.mail.protection.outlook.com (10.152.81.107) 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 00:27:30 +0000 Received: by mail-ed1-f47.google.com with SMTP id v22so8096794edy.0 for ; Fri, 14 Aug 2020 17:27:30 -0700 (PDT) From: RussellMc To: Microcontroller discussion list - Public. Sender: "piclist-bounces@mit.edu" Date: Fri, 14 Aug 2020 17:26:50 -0700 Subject: Re: [EE] solderless breadboards VS. "Dupont connectors" Thread-Topic: [EE] solderless breadboards VS. "Dupont connectors" Thread-Index: AdZynA1QGL0IVbz0ToS2wQ9wjFQ/4w== 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 209.85.208.47 as permitted sender) receiver=protection.outlook.com; client-ip=209.85.208.47; helo=mail-ed1-f47.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=RuBXNtu1BrUjQ+fqC8eKNaB6U7AMkQw7ml3qEJ65c/8=; b=A/gt1X6zMYGn58lEC1URNL2E8HgsYri0i9832Opct0Hld4GiSBSGjQxnlnR+Oxbkyi 3PWoTjE39mIoJKh7cOqZ4PPZh3cIPGrs1HneOSd4RWsxVEpLC8yLrqzaB6744pQZS0MD fgHtC3akzAwRXusRMXBZOMYlV7zKwifv2qLLd5doK5y8MFcmfYe67E2+rKkvUI5aQeZq O7PybXlGe8qzEi8J+1wBvUICG0XYVwrtmRCbK9bBvD7dKVAuB1ZAU+HagdbHCikrBDct /TgHUgVMgRlXMGupa5gh1xCvZaerRhcZ8Zu/V3YRlK/IH/jTrtBtsIlees7Szs+s1+7T izOQ== authentication-results: spf=pass (sender IP is 209.85.208.47) 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:a05:6402:68b:: with SMTP id f11mr4974617edy.353.1597451248107; Fri, 14 Aug 2020 17:27:28 -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 On Sat, 15 Aug 2020 at 11:53, 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. > Without knowing specific gauges, my experience is that forcing heavier wires that "will fit but are rather tight" into a breadboard loosens up the contacts and makes them less reliable in future for previously acceptable wire sizes. This will no doubt depend on BB quality. Russell --=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 .