Date: Wed, 14 Oct 2009 19:21:54 +0200 (CEST) From: Sven Hazejager <sven@hazejager.nl> To: Trevor Blackwell <tlb@tlb.org>, Hiroharu Tamaru <tamaru@myn.rcast.u-tokyo.ac.jp> Cc: freebsd-usb@freebsd.org Subject: Re: Simple manner to read 1-pin high/low from USB under FBSD? Message-ID: <09101419165353.-1077948416@somehost.domainz.com> In-Reply-To: <8CA5CC87-EA53-4055-9747-D23B1F853537@tlb.org> References: <0910111122164F.-1077952704@somehost.domainz.com> <200910111217.49002.hselasky@c2i.net> <09101116183255.-1077948416@somehost.domainz.com> <200910111639.07588.hselasky@c2i.net> <09101118515750.-1077948416@somehost.domainz.com> <8CA5CC87-EA53-4055-9747-D23B1F853537@tlb.org>
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> Try Phidgets. http://phidgets.com. It's easy to read digital signals as a HID > device. You can get started with not much more than: Thanks for all the suggestions. I had trouble getting the crude analog-to-digital (on/off) circuit to work, so I have decided to use an Arduino Nano (http://www.arduino.cc) that actually has 10-bit analog inputs. So, I will be doing the pulse counting on the Arduino, and output interval values through its USB-serial interface, which I'll read out from Perl or C or something. This should all work from FreeBSD without any problems! Sven
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