4-20mA = voltage supply with a fixed high precision resistor for example a 1 to 5V with a 250ohm resistor = 4 to 20mA signal
2012/1/11 Steve Lancaster <steve...@cesa.opbu.xerox.com>: > > I've known of a number of people who canibalize Wii remotes for parts. > > There are also folks who have reverse engineered the wii stuff. Do a > google search for it. > > Steve > > [In a message on Wed, 11 Jan 2012 10:14:05 GMT, > "Mick Sulley" wrote:] >>This is a multi-part message in MIME format. >>--===============2803474869412521714== >>Content-Type: multipart/alternative; >> boundary="------------070204080404090003010607" >> >>This is a multi-part message in MIME format. >>--------------070204080404090003010607 >>Content-Type: text/plain; charset=ISO-8859-1; format=flowed >>Content-Transfer-Encoding: 7bit >> >>I have not actually tried it, but the Wii remote has accelerometers >>inside, that may be a cheaper source than buying the components. >> >>Mick >> >> >>On 11/01/12 06:35, Chris Lautre wrote: >>> Hi >>> >>> Thanks for all your suggestions. Yes will use the DS2438. >>> >>> I am looking at some accelerometers that give out 4-20mA. >>> Seem to be very expensive. >>> Will continue looking for a cheaper sensor. >>> >>> Chris >>> >>> On 10/01/2012 20:57, Mark Richards wrote: >>>> On 1/10/2012 13:07, Chris Lautre wrote: >>>>> I am thinking along the lines of finding a sensor that produces 4-20mA and >>>>> using a DS2450 to convert to 1 Wire. >>>> You might consider a DS2438 and using the current sense pins... As >>>> others have stated, the 2450 is done for. >>>> >>>> How would you implement the sensor portion? Accelerometer? Intriguing.. >>>> >>>> /m >>>> >>>> >>> >> >>--------------070204080404090003010607 >>Content-Type: text/html; charset=ISO-8859-1 >>Content-Transfer-Encoding: 7bit >> >><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> >><html> >> <head> >> <meta content="text/html; charset=ISO-8859-1" >> http-equiv="Content-Type"> >> <title></title> >> </head> >> <body bgcolor="#ffffff" text="#000000"> >> I have not actually tried it, but the Wii remote has accelerometers >> inside, that may be a cheaper source than buying the components.<br> >> <br> >> Mick<br> >> <br> >> <br> >> On 11/01/12 06:35, Chris Lautre wrote: >> <blockquote cite="mid:4f0d2db2.2030...@karusoft.com" type="cite"> >> <meta content="text/html; charset=ISO-8859-1" >> http-equiv="Content-Type"> >> Hi<br> >> <br> >> Thanks for all your suggestions. Yes will use the DS2438.<br> >> <br> >> I am looking at some accelerometers that give out 4-20mA.<br> >> Seem to be very expensive.<br> >> Will continue looking for a cheaper sensor.<br> >> <br> >> Chris<br> >> <br> >> On 10/01/2012 20:57, Mark Richards wrote: >> <blockquote cite="mid:4f0c8a18.6080...@massmicro.com" type="cite"> >> <meta content="text/html; charset=ISO-8859-1" >> http-equiv="Content-Type"> >> On 1/10/2012 13:07, Chris Lautre wrote: >> <blockquote cite="mid:4f0c7e5c.2030...@karusoft.com" type="cite"> >> <pre wrap="">I am thinking along the lines of finding a sensor that >>produces 4-20mA and >>using a DS2450 to convert to 1 Wire.</pre> >> </blockquote> >> You might consider a DS2438 and using the current sense >> pins... As others have stated, the 2450 is done for. >> <br> >> <br> >> How would you implement the sensor portion? Accelerometer? >> Intriguing..<br> >> <br> >> /m<br> >> <br> >> <br> >> <fieldset class="mimeAttachmentHeader"></fieldset> >> </blockquote> >> <br> >> </blockquote> >> </body> >></html> >> >>--------------070204080404090003010607-- >> >> >>--===============2803474869412521714== >>Content-Type: text/plain; charset="us-ascii" >>MIME-Version: 1.0 >>Content-Transfer-Encoding: 7bit >>Content-Disposition: inline >> >>------------------------------------------------------------------------------ >>Ridiculously easy VDI. With Citrix VDI-in-a-Box, you don't need a complex >>infrastructure or vast IT resources to deliver seamless, secure access to >>virtual desktops. With this all-in-one solution, easily deploy virtual >>desktops for less than the cost of PCs and save 60% on VDI infrastructure >>costs. Try it free! http://p.sf.net/sfu/Citrix-VDIinabox >>--===============2803474869412521714== >>Content-Type: text/plain; charset="us-ascii" >>MIME-Version: 1.0 >>Content-Transfer-Encoding: 7bit >>Content-Disposition: inline >> >>_______________________________________________ >>Owfs-developers mailing list >>Owfs-developers@lists.sourceforge.net >>https://lists.sourceforge.net/lists/listinfo/owfs-developers >> >>--===============2803474869412521714==-- >> > > Steve > > > > ------------------------------------------------------------------------------ > Ridiculously easy VDI. With Citrix VDI-in-a-Box, you don't need a complex > infrastructure or vast IT resources to deliver seamless, secure access to > virtual desktops. With this all-in-one solution, easily deploy virtual > desktops for less than the cost of PCs and save 60% on VDI infrastructure > costs. Try it free! http://p.sf.net/sfu/Citrix-VDIinabox > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers > -- Roberto Spadim Spadim Technology / SPAEmpresarial ------------------------------------------------------------------------------ RSA(R) Conference 2012 Mar 27 - Feb 2 Save $400 by Jan. 27 Register now! http://p.sf.net/sfu/rsa-sfdev2dev2 _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers
