kyle/radon-ble-rd200: Poll the rd200 over ble and get the most recent radon samples. Device is made by EcoSense and has pretty bad user interface, this replaces that.

Koyle Coil 16af4c1017 explains various prototypes		3 years ago
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bluetoothctl.py	16af4c1017 explains various prototypes	3 years ago
prototype.py	16af4c1017 explains various prototypes	3 years ago
rd200.py	16af4c1017 explains various prototypes	3 years ago