Changelog

[0.4.0] - 2020-08-17

MQTT example adds new switch to enable/disable BLE connections.

[0.3.1] - 2020-07-31

Fix light level

[0.3.0] - 2020-07-17

Fixes to MQTT topic prefixes.
Wrap Arduino OTA around a #define.
Gracefully restrict connections to three devices.

[0.2.0] - 2020-07-02

Support Home Assistant auto-discovery.
All MAC addresses in topic, etc are stripped of colons.
Tweak connection behaviour.