Question

I’m going to set up a binary driven serial communications between two Arduinos via the built-in hardware serial library. Since my packets are structured in a binary format, it is very likely that several characters in the packet are null characters for instances of integers with a 0 value. I’m not sure how the Arduinos will handle null characters or if at all. I would certainly like to know before I go any further on my project.

Answer 1

Yes. The Arduino documentation for write() talks about “binary data” and bytes.