I never used an Arduino before but this seems like all you need to know about the SPI:
http://arduino.cc/en/Reference/SPI The bit-bang method is still interesting to try things out as you get to fully understand what will happen once you start using the SPI. Michel On Apr 1, 11:10 am, Dylan Distasio <interz...@gmail.com> wrote: > Thanks for the comments on the SPI, David and Adam. I'll look into that > approach. I'm excited to pick up some new skills/tricks! > > > > > > > > On Sat, Mar 31, 2012 at 9:02 PM, Adam Jacobs <a...@jacobs.us> wrote: > > Yep, if you're trying to bit-bang the SPI then you are definitely > > re-inventing the wheel. Look at Arduino "sketches" for other SPI devices > > and see how they do it there. I don't have any arduino experience so I > > can't be of much help either, but I've used the SPI port on the AVR many > > many many times and it's a breeze. > > > -Adam > > > On Sat, Mar 31, 2012 at 4:48 PM, David Forbes <dfor...@dakotacom.net>wrote: > > >> On 3/31/12 3:28 PM, Dylan Distasio wrote: > > >>> Hi all- > > >>> I've been circling back to the nixie clock project I am working on that > >>> starts with a base kit of 6 IN-14s each with their own module that > >>> contains a PCB with a 74141 on it. I have never used shift registers > >>> before, but finally got around to some initial experiments driving one > >>> 74HC595 with an Arduino connected to one set of 74141 inputs (ABCD) to > >>> keep things simple. I was able to get the different digits lit up based > >>> on my code, but am wondering if I am missing something in terms of ease > >>> of use here. > > >>> Thanks, > >>> Dylan > > >> Dylan, > > >> A clever programmer will figure out how to use the Arduino's SPI port > >> with the 74HC595s to eliminate all the software work of banging out the > >> bits. I've never used an Arduino, so I don't know how it's done. I've used > >> this chip with the PIC SPI port, and it works. > > >> -- > >> David Forbes, Tucson AZ > > >> -- > >> You received this message because you are subscribed to the Google Groups > >> "neonixie-l" group. > >> To post to this group, send an email to neonixie-l@googlegroups.com. > >> To unsubscribe from this group, send email to neonixie-l+unsubscribe@** > >> googlegroups.com <neonixie-l%2bunsubscr...@googlegroups.com>. > >> For more options, visit this group athttp://groups.google.com/** > >> group/neonixie-l?hl=en-GB<http://groups.google.com/group/neonixie-l?hl=en-GB> > >> . > > > -- > > You received this message because you are subscribed to the Google Groups > > "neonixie-l" group. > > To post to this group, send an email to neonixie-l@googlegroups.com. > > To unsubscribe from this group, send email to > > neonixie-l+unsubscr...@googlegroups.com. > > For more options, visit this group at > >http://groups.google.com/group/neonixie-l?hl=en-GB. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to neonixie-l@googlegroups.com. To unsubscribe from this group, send email to neonixie-l+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
