Colin wrote: >I'm guessing that lots of folks use 8 bit shift registers to get data into >and out of PICs. So I was just wondering what are the most popular para >in/ser out and ser in/para out devices. I use 74HC589 (P->S) and 74HC595 (S->P) for logic levels. The UCN5821 (low side) and UCN5891 (high side) drivers are great for driving relays and higher current LED's,etc too. David... ___________________________________________ David Duffy Audio Visual Devices P/L U8, 9-11 Trade St, Cleveland 4163 Australia Ph: +61 7 38210362 Fax: +61 7 38210281 New Web: www.audiovisualdevices.com.au ___________________________________________ -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.