diff -r 542bdc7f6522 -r 16079aef4c4c bmsd/bms.h
--- a/bmsd/bms.h	Wed Aug 23 10:30:09 2023 +0200
+++ b/bmsd/bms.h	Thu Oct 12 14:19:46 2023 +0200
@@ -332,6 +332,8 @@
     float			og_gravity;		///< OG gravity in Plato detected
     float			yeast_lo;		///< Yeast low temperature limit
     float			yeast_hi;		///< Yeast high temperature limit
+    char			*calibrate;		///< Calibration data
+    time_t			lastseen;		///< iSpindel last seen
 } sys_ispindel_list;