2.3.1
- fix bug which causes the crash at boot in esp8266 core v3.0.x
NOTES: The unordered_map is replaced by static array: now the initialization of the notes mapping is more efficient and the sketch size is reduced by 5kb
NOTES: The unordered_map is replaced by static array: now the initialization of the notes mapping is more efficient and the sketch size is reduced by 5kb