Quoth Tom Harris at 2013-12-03 08:10 ...
Use SPI protocol, then you only need 3 optos with simple drivers, no bidirectional stuff. For isolation, use cheap jacketed polymer fibre optic, about $1 a metre, with matching detectors & transmitters $2 each or so.
Or four? MISO, MOSI, SCK, CS. (Three if unidirectional.) -- Matthew Smith Business: http://www.smiffytech.com Blog: http://www.smiffysplace.com Linkedin: http://www.linkedin.com/in/smiffy Flickr: http://www.flickr.com/photos/msmiffy Twitter: http://twitter.com/smiffy ABN 16 391 203 815 -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/529D0A5D.5000103%40smiffytech.com. For more options, visit https://groups.google.com/groups/opt_out.
