X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient: geda-user AT delorie DOT com
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=google.com; s=20120113;
        h=mime-version:sender:x-originating-ip:in-reply-to:references:from
         :date:x-google-sender-auth:message-id:subject:to:content-type
         :x-gm-message-state;
        bh=fblG4xWyMwS2LyUDumpx9DyRyUWUiEMh8M45Za+rKGI=;
        b=bgQflTITBkMyMQVp9pFIUj1uegdgSkHT87d/aS5yN/5HYGvNEs8y9KuWYlh64CJ5lZ
         Szg0Qp72vPRPemrgpQvZzS8nC1yJTTxuZ4bEmO4clqCPkI0PjNZ77e3Za2jsrN/4phLW
         Cxf+4RS6BRiLBqdslNKMwPojJTxbjSKbJeu1XacMr6+V3L6K0i/sd+FZfUnKy3a6YQdu
         0JCm0U+3u5VrAskx1TSGmDw7JwfT454Rdek9DQsc/Sv+VGU5zB2XyTUVEvMlvnyNCi1k
         YuFpTWONfefeKcGQKxSsYRYcEqFJyMDAA+AvsprX0K7kYW6DkuiBP60JDcqJFh11x3Lk
         G14A==
X-Received: by 10.66.249.135 with SMTP id yu7mr13580178pac.15.1371484190039;
 Mon, 17 Jun 2013 08:49:50 -0700 (PDT)
MIME-Version: 1.0
Sender: mjd AT hackvana DOT com
X-Originating-IP: [2600:3c00::f03c:91ff:fedf:628a]
In-Reply-To: <CALSZ9gpB3Z8B9c3R9M8EQ3i77k4B6r8SCvbk_kOYwht1PyaCZw@mail.gmail.com>
References: <CALSZ9gpB3Z8B9c3R9M8EQ3i77k4B6r8SCvbk_kOYwht1PyaCZw AT mail DOT gmail DOT com>
From: Mitch Davis <mjd+geda-user AT hackvana DOT com>
Date: Mon, 17 Jun 2013 23:49:29 +0800
X-Google-Sender-Auth: 6sJ4u8QSfCPsJ-1L3ATMACjkcbk
Message-ID: <CA+KzSg+GUSKucwyM1kUsDeg5nJZxWimjDv6fyLc2E-6H8JHQvg@mail.gmail.com>
Subject: Re: [geda-user] Reverse engineering suggestions
To: geda-user AT delorie DOT com
Content-Type: text/plain; charset=UTF-8
X-Gm-Message-State: ALoCoQmzn3xVM2D/YEBy7nRDZ1u9JwrW4p4whyEzVgPXtVM6VoZH6MQ9X5/AQQpitE1PDxmqoGXw
Reply-To: geda-user AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: geda-user AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk

On Mon, Jun 17, 2013 at 4:50 AM, Rob Butts <r DOT butts2 AT gmail DOT com> wrote:
> I want to modify a Minn Kota C2 30 bass type trolling motor.
> a twist handle to switch between 5 forward speeds and 3 reverse.

Sounds like an application crying out for a small micro, PWM and a
couple of MOSFETs.  There are lots of circuits like this on the
internet.

Mitch.