https://nodemcu.readthedocs.io/en/1.5.4.1-final/modules/rfswitch/
rfswitch - NodeMCU Documentation
nodemcu documentationrfswitch
https://nodemcu.readthedocs.io/en/dev/modules/rfswitch/
rfswitch - NodeMCU Documentation
nodemcu documentationrfswitch
https://nodemcu.readthedocs.io/en/release/modules/rfswitch/
rfswitch - NodeMCU Documentation
nodemcu documentationrfswitch