v1.2.0

• Adding a diode that indicates that the device works

v1.1.0

• Data transmission is indicated by build-in LED

v1.0.0

First public release:

• Possibility to configure the device via WWW;

• The possibility of deleting the configuration (connect pin D4 with 3v3 through a 10kOhm resistor);

• Connecting to an MQTT broker;

• Receiving data from Bluetooth devices and publishing over MQTT.