Index: firmware/App/DDCommon.h
===================================================================
diff -u -r3bafab778c613a1abd0c421128320408db407ef8 -r97eba3d39e6ddf44276b77b1aea1171805ca142d
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 3bafab778c613a1abd0c421128320408db407ef8)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 97eba3d39e6ddf44276b77b1aea1171805ca142d)
@@ -7,8 +7,8 @@
 *
 * @file    DDCommon.h
 *
-* @author  (last)      Vinayakam Mani
-* @date    (last)      14-Nov-2025
+* @author  (last)      Sameer Kalliadan Poyil
+* @date    (last)      10-Feb-2026
 *
 * @author  (original)  Vinayakam Mani
 * @date    (original)  07-Aug-2024
@@ -25,7 +25,7 @@
 #define DD_VERSION_MAJOR        0
 #define DD_VERSION_MINOR        0
 #define DD_VERSION_MICRO        0
-#define DD_VERSION_BUILD  36
+#define DD_VERSION_BUILD  50
 
 // ********** development build switches **********
 
@@ -45,21 +45,22 @@
 //Uncomment below once characterization/study completed
 //#define ENABLE_ALARM_2
 
-//Uncomment below for spent chamber filling
-//#define __SPENT_CHAMBER_FILL__    1
-
 //Uncomment below for bicarb chamber filling
 //#define __BICARB_CHAMBER_FILL__   1
 
 //Uncomment below for Maxon controller speed change
-//#define __MAXON_SPEED_UPDATE__    1
+#define __MAXON_SPEED_UPDATE__    1
 
 //Uncomment below to disable heaters debug message
 #define __HEATERS_DEBUG__         1
 
 //Uncomment below for new D48 pump changes
 //#define __NEW_D48_PUMP__    1
 
+//Uncomment below to disable Teensy conductivity driver
+#define __TEENSY_CONDUCTIVITY_DRIVER__  1
+
+
     #include <stdio.h>
     #include <strings.h>
 #endif