- removed 'in their value' from text
- elaborate a bit more on the type level diff between `[b'H', b'i']` and `b"Hi"`
- note that not being fully 802.15.4 compliant is not an issue for the workshop
exercises
- use `b'A'` syntax in hints now that it has been covered early on
- use large enough capacity in hints
- for consistency, set channel first thing in all hints