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 19:43:21 -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 07F2XnDC010756; Fri, 14 Aug 2020 22:34:09 -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 07F2Xm4t010753 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Fri, 14 Aug 2020 22:33:48 -0400 Received: from oc11exedge2.exchange.mit.edu (OC11EXEDGE2.EXCHANGE.MIT.EDU [18.9.3.18]) by outgoing-exchange-7.mit.edu (8.14.7/8.12.4) with ESMTP id 07F2VhNH015463 for ; Fri, 14 Aug 2020 22:31:43 -0400 Received: from w92expo26.exchange.mit.edu (18.7.74.32) by oc11exedge2.exchange.mit.edu (18.9.3.18) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Fri, 14 Aug 2020 22:33:45 -0400 Received: from oc11exhyb6.exchange.mit.edu (18.9.1.111) by w92expo26.exchange.mit.edu (18.7.74.32) with Microsoft SMTP Server (TLS) id 15.0.1365.1; Fri, 14 Aug 2020 22:33:47 -0400 Received: from NAM10-BN7-obe.outbound.protection.outlook.com (104.47.70.109) 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 22:33:47 -0400 Received: from DM6PR07CA0038.namprd07.prod.outlook.com (2603:10b6:5:74::15) by BL0PR01MB4786.prod.exchangelabs.com (2603:10b6:208:30::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3283.22; Sat, 15 Aug 2020 02:33:45 +0000 Received: from DM3NAM03FT033.eop-NAM03.prod.protection.outlook.com (2603:10b6:5:74:cafe::19) by DM6PR07CA0038.outlook.office365.com (2603:10b6:5:74::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3283.15 via Frontend Transport; Sat, 15 Aug 2020 02:33:45 +0000 Received: from icp-osb-irony-out1.external.iinet.net.au (203.59.1.210) by DM3NAM03FT033.mail.protection.outlook.com (10.152.82.204) with Microsoft SMTP Server id 15.20.3283.16 via Frontend Transport; Sat, 15 Aug 2020 02:33:43 +0000 Received: from unknown (HELO [192.168.43.224]) ([1.136.203.249]) by icp-osb-irony-out1.iinet.net.au with ESMTP; 15 Aug 2020 10:33:07 +0800 From: Peter To: "piclist@mit.edu" Sender: "piclist-bounces@mit.edu" Date: Fri, 14 Aug 2020 19:33:12 -0700 Subject: Re: [EE] solderless breadboards VS. "Dupont connectors" Thread-Topic: [EE] solderless breadboards VS. "Dupont connectors" Thread-Index: AdZyrddhsqJ9HHpOTDa+z3abMxFfcw== Message-ID: References: List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: Reply-To: Microcontroller discussion list - Public. Accept-Language: en-US Content-Language: en-AU 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 westnet.com.au designates 203.59.1.210 as permitted sender) receiver=protection.outlook.com; client-ip=203.59.1.210; helo=icp-osb-irony-out1.external.iinet.net.au; dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mitprod.onmicrosoft.com; s=selector2-mitprod-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=5/BwuPxcGFf8I2YR3Imxi2UBBL0xN0noEP2pmCwRBMQ=; b=IlIf5gLvX/92UGIX9J9013qByuGsZ3Veweqfb+8bakHN5vLsFVaACRSMvGcP/HzTUzm1dM7qG/ksUluSEL8RdfruMZpxID8cX8PDmy3CRi801h8ZeibrCImNSdhBuEY2SY3PFpDPaZm6jfNuzSWQFqJZeE2R0DmHmuredvB7xBY= authentication-results: spf=pass (sender IP is 203.59.1.210) smtp.mailfrom=westnet.com.au; mit.edu; dkim=none (message not signed) header.d=none;mit.edu; dmarc=bestguesspass action=none header.from=westnet.com.au; user-agent: Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 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-ironport-av: E=Sophos;i="5.76,314,1592841600"; d="scan'208";a="313405095" x-ironport-anti-spam-result: A2BJBQAISTdf//nLiAENUQ4PAQEBAQkBEgEFBQFAB4FDgwyBQYQ3g3qLYwEBAQEBAQaBEiWcEgsBAQEBAQEBAQE3BAEBhEwCgkglOBMCEAEBAQUBAQEBAQYDAYxHAQEBAyMVUQsNAwgCAiYCAlcTBgIBARWDDYJLAQMJsnh2gTIahTiCZRmCFoEOKoFljEuBB4E4DAOCWj6EFHaCSoJgBI9sizOKHZByDYE3gSiCQZdSBQoehT+MOQOOJI1xmGmNLIF6TR+DPVCcTlBiNwIGCgEBAwmOe4JGAQE x-ironport-anti-spam-filtered: true x-topics: [EE] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 I second what Russell has posted below. This also has been my extended=20 experience with breadboards and heavier wires. Peter. On 15/08/2020 10:26 am, RussellMc wrote: > 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 o= r >> 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 t= he > 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 .