legacy wiki page - https://w.electrodragon.com/w/RDA5981
github sdk - https://github.com/Edragon/RDA-RDA5981
NWI1164-dat - NWI1166-dat - CIC1047-dat - NWI1170-dat
https://www.electrodragon.com/product/rda5981a-ic-chip-wifi-mcu/
https://www.electrodragon.com/product/rc01-rda5981c-rda5856qe32-module/
mbedOS
baidu DuerOS based on mbedOS
- https://developer.dueros.baidu.com/doc/lite/device-dev-manual_markdown