UUID Archives - Novel Bits

How do I choose a UUID for my custom services and characteristics?

By Mohammad Afaneh | October 19, 2016 |

First, a few things to know: “A UUID is a universally unique identifier that is guaranteed to be unique across all space and all time” (Bluetooth 4.2 spec, Vol 3, Part B, section 2.5.1 UUID) A UUID is a 128-bit value. There are reserved UUIDs by the Bluetooth SIG that are generally represented by their 16-bit…