On Tue, Sep 16, 2014 at 3:45 PM, Neil wrote: > Any recommendations on chips that can do this easily? Yes I can use a > PIC for this, but I just need a few of these and would rather just get > something off the shelf. Given your requirements, a PIC is likely to be your easiest and cheapest solution. -p. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .