CMD 0x02 - Device time
CMD 0x05 - Wifi network
CMD 0x07 - Wifi password
CMD 0x0B
CMD 0x0C - Wifi Join
CMD 0x0D - List of visible AP
CMD 0x0F - Wifi Leave
CMD 0x10 - Reset settings
CMD 0x33 - Brew
CMD 0x34 - Coffee stop
CMD 0x35 - Coffee strength
CMD 0x36 - Cups
CMD 0x37 - Brew Default
CMD 0x38 - Coffee store settings
CMD 0x3C - Grinder
CMD 0x3E - Hotplate On
CMD 0x3F
CMD 0x40 - Store Timer
CMD 0x41 - Timers
CMD 0x43 - Disable Timer
CMD 0x46 - Coffee History
CMD 0x48 - Coffee Settings
CMD 0x4A - Hotplate Off
CMD 0x4B - Set Carafe
CMD 0x4C - Carafe
CMD 0x4E - Set mode
CMD 0x4F - Model
CMD 0x64 - Device info - used to check firmware version
CMD 0x69 - Set Wifi Power?    <0x69> <RFPOWER 0-82 in steps of 0.25dBm><0x7E>
CMD 0x6A - Wifi firmware version
CMD 0x6D - Firmware update sta