OpenMote is the generic name of the motes developed by the OpenWSN team. Each version of the board is numbered according to the following rules.
Xindicates the technology of the microntroller. Possible values are 8, 16 and 32 for 8-bit, 16-bit and 32-bit microcontrollers;
Ais incremented when the BOM of the board has changed, i.e. a different chip is used on the board. This requires a change in firmware.
Bis incremented when the schematic of the board has changed, i.e. pins are connected differently. This requires a change in firmware.
Cis incremented when the layout of the board has changed, i.e. a new form factor. This does not requires a change in firmware.