see https://docs.openbci.com/Cyton/CytonSDK/ for more information about the commands.
8
An Integer that is different for each board. For Cyton boards it is 250 (Hz).
A Float scaling factor used internally to convert from 24bit to microvolt (uV). This factor differ for each board.
A Float scaling factor used internally to convert from 16bit to -4 to 4 g. This factor differ for each board.
The Cyton with USB Dongle (CytonSerial) cannot and will not stream data over 250SPS. With the WifiShield all rates are possible (CytonWifi).
Get firmware version.
see CytonSerial or CytonWifi help files.