On Monday 26 November 2012 11:07:02 Kip did opine: > Scott, > I am working to add a latching shift register to my parallel port in > LinuxCNC to expand the number of bits available where latency is less of > a concern. > > My original thought was to use an Arduino nano to control these > functions, as I have several laying around. But I quickly ran out of > pins. Then I was going to use shift registers to expand the Arduino. > Finally I realized that the arduino wasn't at all necessary, as I could > directly drive the shift registers with the parallel port. This has > the added bonus that I no longer have to run a USB cable to my machine, > along side the parallel port. > > My plan is to shift data in and out simultaneously by using the same > clock and latch pins for Serial-In Parallel-Out (SIPO) and Parallel-In > Serial Out (PISO) shift registers. This will consume 3 output pins and > 1 input pin on the parallel port. I'll be using it it drive 16 output > pins and read 16 input pins in my machine. > > If this sounds useful, I'll keep you posted with my progress. > -Kip > It does sound interesting Kip, for controlling such as tool turrets, coolant floods, air sweeps, etc. So please do keep us in the loop. > > > > > ------------------------------------------------------------------------ > ------ Monitor your physical, virtual and cloud infrastructure from a > single web console. Get in-depth insight into apps, servers, databases, > vmware, SAP, cloud infrastructure, etc. Download 30-day Free Trial. > Pricing starts from $795 for 25 servers or applications! > http://p.sf.net/sfu/zoho_dev2dev_nov > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users
Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> is up! A beautiful woman is a blessing from Heaven, but a good cigar is a smoke. -- Kipling ------------------------------------------------------------------------------ Monitor your physical, virtual and cloud infrastructure from a single web console. Get in-depth insight into apps, servers, databases, vmware, SAP, cloud infrastructure, etc. Download 30-day Free Trial. Pricing starts from $795 for 25 servers or applications! http://p.sf.net/sfu/zoho_dev2dev_nov _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
