Thanks, that's good to know. The prices have come down considerably since the last time I priced them. I might build a project using two or three.
Regards. Max. K 4 O D S. Email: [email protected] Transistor site http://www.funwithtransistors.net Vacuum tube site: http://www.funwithtubes.net Music site: http://www.maxsmusicplace.com To subscribe to the fun with tubes group send an email to, [email protected] ----- Original Message ----- From: "Tom Fowle" <[email protected]> To: <[email protected]> Sent: Monday, August 17, 2009 8:59 AM Subject: Re: [BlindHandyMan] Re: following straight lines: > Max, > We just bought some from U.S. digital that resolve to ten thousand > divisions > per revolution they're about $95.00 each without the counting electronics. > Somebody who remembers trig would have to decide how far you could travel > before getting signifficantly off course with that kind of resolution > available <GRIN> > > I think a 64 step per rev unit might doo pretty well, or maybe a 256. I > think they'd cost in the neighborhood of forty bucks. > > Maybe the tape and winder or some simpler windup string might be cheaper! > <GRIN> > > Tom > > On Sun, Aug 16, 2009 at 09:20:53PM -0500, Max Robinson wrote: >> I was thinking more along the lines of a shaft encoder but they can get a >> bit pricy. >> >> Regards. >> >> Max. K 4 O D S. >> >> Email: [email protected] >> >> Transistor site http://www.funwithtransistors.net >> Vacuum tube site: http://www.funwithtubes.net >> Music site: http://www.maxsmusicplace.com >> >> To subscribe to the fun with tubes group send an email to, >> [email protected] >> >> ----- Original Message ----- >> From: "Tom Fowle" <[email protected]> >> To: <[email protected]> >> Sent: Sunday, August 16, 2009 8:34 AM >> Subject: Re: [BlindHandyMan] Re: following straight lines: >> >> >> > Max, >> > I suspect you'd have some trouble with the tape join to the presumed >> > pot >> > on >> > the helmet, and with the resolution of the pot. I actually think you'd >> > get >> > better resolution of the angle with my second idea, having a pointer on >> > the >> > digger, in front of you, to check against the tape. >> > >> > At work, we've actually talked a bit about studying techniques for >> > following >> > straight lines. Might put this in the hopper. Paper in a few years or >> > so >> > <GRIN> >> > >> > Tom >> > >> > On Fri, Aug 14, 2009 at 09:51:53PM -0500, Max Robinson wrote: >> >> Interesting. An extension of this would be to use an angle sensor >> >> that >> >> will >> >> control a tone generator like the auditory gimmick. When the tape is >> >> straight ahead or behind the tone would be at it's lowest. If you got >> >> off >> >> line the tone would increase. You could easily tell which way to turn >> >> by >> >> experimentally turning your head to see which way you are off. >> >> >> >> Regards. >> >> >> >> Max. K 4 O D S. >> >> >> >> Email: [email protected] >> >> >> >> Transistor site http://www.funwithtransistors.net >> >> Vacuum tube site: http://www.funwithtubes.net >> >> Music site: http://www.maxsmusicplace.com >> >> >> >> To subscribe to the fun with tubes group send an email to, >> >> [email protected] >> >> >> >> ----- Original Message ----- >> >> From: "Tom Fowle" <[email protected]> >> >> To: <[email protected]> >> >> Sent: Friday, August 14, 2009 8:56 AM >> >> Subject: [BlindHandyMan] Re: following straight lines: >> >> >> >> >> >> > Actually I wonder if a self winding tape could be put on a hefty >> >> > stake >> >> > beyond the eventual end of the proposed ditch. Then fasten the free >> >> > end >> >> > of >> >> > the tape to your helmet, everybody working with heavy equipment >> >> > wears a >> >> > helmet of course, and just reach up once in a while to see that the >> >> > tape >> >> > remains straight ahead of you. It winds up as you follow it along. >> >> > >> >> > For even more accuracy, fasten a stick to the digger so it points at >> >> > the >> >> > tape where you can reach it to check. >> >> > >> >> > Tom Fowle >> >> > >> >> > >> >> > ------------------------------------ >> >> > >> >> > Send any questions regarding list management to: >> >> > [email protected] >> >> > To listen to the show archives go to link >> >> > http://www.acbradio.org/pweb/index.php?module=pagemaster&PAGE_user_op=view_page&PAGE_id=33&MMN_position=47:29 >> >> > Or >> >> > ftp://ftp.acbradio.org/acbradio-archives/handyman/ >> >> > >> >> > The Pod Cast address for the Blind Handy Man Show is. >> >> > http://www.acbradio.org/news/xml/podcast.php?pgm=saturday >> >> > >> >> > Visit The Blind Handy Man Files Page To Review Contributions From >> >> > Various >> >> > List Members At The Following address: >> >> > http://www.jaws-users.com/JAWS/handyman/ >> >> > >> >> > Visit the archives page at the following address >> >> > http://www.mail-archive.com/[email protected]/ >> >> > >> >> > If you would like to join the JAWS Users List, then visit the >> >> > following >> >> > address for more information: >> >> > http://www.jaws-users.com/ >> >> > For a complete list of email commands pertaining to the Blind Handy >> >> > Man >> >> > list just send a blank message to: >> >> > [email protected]! Groups Links >> >> > >> >> > >> >> > >> >> > >> >> >> > >> > >> > ------------------------------------ >> > >> > Send any questions regarding list management to: >> > [email protected] >> > To listen to the show archives go to link >> > http://www.acbradio.org/pweb/index.php?module=pagemaster&PAGE_user_op=view_page&PAGE_id=33&MMN_position=47:29 >> > Or >> > ftp://ftp.acbradio.org/acbradio-archives/handyman/ >> > >> > The Pod Cast address for the Blind Handy Man Show is. >> > http://www.acbradio.org/news/xml/podcast.php?pgm=saturday >> > >> > Visit The Blind Handy Man Files Page To Review Contributions From >> > Various >> > List Members At The Following address: >> > http://www.jaws-users.com/JAWS/handyman/ >> > >> > Visit the archives page at the following address >> > http://www.mail-archive.com/[email protected]/ >> > >> > If you would like to join the JAWS Users List, then visit the following >> > address for more information: >> > http://www.jaws-users.com/ >> > For a complete list of email commands pertaining to the Blind Handy Man >> > list just send a blank message to: >> > [email protected]! Groups Links >> > >> > >> > >> > >> > > > ------------------------------------ > > Send any questions regarding list management to: > [email protected] > To listen to the show archives go to link > http://www.acbradio.org/pweb/index.php?module=pagemaster&PAGE_user_op=view_page&PAGE_id=33&MMN_position=47:29 > Or > ftp://ftp.acbradio.org/acbradio-archives/handyman/ > > The Pod Cast address for the Blind Handy Man Show is. > http://www.acbradio.org/news/xml/podcast.php?pgm=saturday > > Visit The Blind Handy Man Files Page To Review Contributions From Various > List Members At The Following address: > http://www.jaws-users.com/JAWS/handyman/ > > Visit the archives page at the following address > http://www.mail-archive.com/[email protected]/ > > If you would like to join the JAWS Users List, then visit the following > address for more information: > http://www.jaws-users.com/ > For a complete list of email commands pertaining to the Blind Handy Man > list just send a blank message to: > [email protected]! Groups Links > > > >
