This is a wrapper for RCSwitch library.
Receive from or operate 433/315 MHz remote radio controlled devices.
Tested with Uno, Mega and Wemos D1.
Go to Arduino
Select Sketch/Include Library/Manage Libraries
In Library manager, search for and install 'rc-switch'
Copy the rRCSwitch files to your B4R AddLibraries folder.
Now you are ready to create a 433MHz to MQTT 2way gateway,
a simple project that turns on the light when someone rings your doorbell or
your own alarm system.
Tested with several of these devices: