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, 20 Aug 2021 05:40:13 -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 17KCUpHM028505; Fri, 20 Aug 2021 08:31:28 -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 17KCUoBK028500 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Fri, 20 Aug 2021 08:30:50 -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 17KCUkP3016357 for ; Fri, 20 Aug 2021 08:30:50 -0400 Received: from oc11exhyb5.exchange.mit.edu (18.9.1.110) by w92exedge3.exchange.mit.edu (18.7.73.15) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Fri, 20 Aug 2021 08:30:11 -0400 Received: from oc11exhyb7.exchange.mit.edu (18.9.1.112) by oc11exhyb5.exchange.mit.edu (18.9.1.110) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Fri, 20 Aug 2021 08:30:30 -0400 Received: from NAM12-MW2-obe.outbound.protection.outlook.com (104.47.66.48) by oc11exhyb7.exchange.mit.edu (18.9.1.112) with Microsoft SMTP Server (TLS) id 15.0.1497.23 via Frontend Transport; Fri, 20 Aug 2021 08:30:29 -0400 Received: from MWHPR10CA0024.namprd10.prod.outlook.com (2603:10b6:301::34) by MWHPR0101MB2975.prod.exchangelabs.com (2603:10b6:301:2d::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4436.19; Fri, 20 Aug 2021 12:30:46 +0000 Received: from CO1NAM11FT051.eop-nam11.prod.protection.outlook.com (2603:10b6:301:0:cafe::cd) by MWHPR10CA0024.outlook.office365.com (2603:10b6:301::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4436.18 via Frontend Transport; Fri, 20 Aug 2021 12:30:46 +0000 Received: from mail-pl1-f176.google.com (209.85.214.176) by CO1NAM11FT051.mail.protection.outlook.com (10.13.174.114) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4436.19 via Frontend Transport; Fri, 20 Aug 2021 12:30:46 +0000 Received: by mail-pl1-f176.google.com with SMTP id j2so1454276pll.1 for ; Fri, 20 Aug 2021 05:30:46 -0700 (PDT) From: Justin Richards To: Microcontroller discussion list - Public. Sender: "piclist-bounces@mit.edu" Date: Fri, 20 Aug 2021 05:30:33 -0700 Subject: Re: [EE] Amplifying a motor driver output Thread-Topic: [EE] Amplifying a motor driver output Thread-Index: AdeVwIWmqWdbystdSuyuVU0ZZ7FZCw== 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 209.85.214.176 as permitted sender) receiver=protection.outlook.com; client-ip=209.85.214.176; helo=mail-pl1-f176.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=yyGiOIEhZBm2EKNomUrukX0akvUeHCu4icXcNWOkcdE=; b=mAaa6ooM2M6ArETUzad6F4wtRUzJQ37Q7ctCRlvm0f1nbCPumvo+GdxKMWi5oCZLfp TH94zOfffgjoO/6/XTMzrEYA3sFRrVQMb9otQRCW3+faYgGGBYbkUJPZJGFTpPdav0G2 20t/6ulfjvgtHvA3WjCzdPE6RUyyqMFs+9x2BWbQGbJ7ZppcsnkD92KYPQKynPZ1BawR y/L1+eh4aYVlezzXeQV7Q6RddECz9HcKElHBcKN/wcZXAIuYApybxxlG44JNZ4DwESRT orvzwebb4f77RExr9L3oMzHpTvGKTfKFukwIXGmU3CAcVNsYNu1CfaPanCyleyrbnebE 6X6Q== authentication-results: spf=pass (sender IP is 209.85.214.176) 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:a17:902:b218:b029:11a:bf7b:1a80 with SMTP id t24-20020a170902b218b029011abf7b1a80mr16156465plr.82.1629462645242; Fri, 20 Aug 2021 05:30:45 -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 Remotely relevant and way more complicated but may be of interest. Applied science did a video on force feedback joystick with air muscles and another on using encoders. Justin On Fri, Aug 20, 2021 at 8:11 AM Neil wrote: > I need a force-feedback joystick such as a Microsoft Sidewinder FFB 2, > but with (much) more powerful motors. > I'm wondering if I can start with a MSFFB 2, replace the motors with > dummy loads (resistors), measure the voltage across those resistors, > filter/condition it, and have that control motor drivers with more > powerful motors. Is this practical? > Or any better (simple, not too costly) way to achieve this? > > Cheers, > -Neil. > > > -- > 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 .