Alexa and Maintenance changes

• Maintenance override functionality and button added
• Alexa enablement switch added to settings (effective on reboot)
• Alexa switch names should corresponding Sockets names (effective on reboot)
• Alexa on/off indication color reversed
• Network Settings renamed to General Settings

Scheduller core changes

• Backend & frontend: Added Maintenence mode for sockets
• Backend: Alexa overrides all the control on socket till next schedulled changes or interface action
• Frontend: Socket background indicates Alexa action
• Frontend: Slight cleanup

amChart

• Switch frontend to amChart
• No changes in base FW

Alexa support

• Based on Alexa voice control for ESP8266/ESP32 (including brightness and color!)
• Not tested

Misc changes

0.7.12

float => double. Allow negatie power

Calibration

• Voltage calibration
• Current amplification function changed a bit
• Strip power if input below noise level

Current fine turning

• Another fix in current fine turning

Band filter added

• Added band filter for both I and V data

AC Voltage auto fine turning

• Voltage/Current calibration
• Auto AC voltage fine turning

Calibration #2

• Add using Vcc to ADC data processing.
• Update calibration constants
• Increase /history.csv data output precision