added the bottom sensor too
diff --git a/gyro_board/src/usb/analog.h b/gyro_board/src/usb/analog.h
index 8dc0963..8763181 100644
--- a/gyro_board/src/usb/analog.h
+++ b/gyro_board/src/usb/analog.h
@@ -39,6 +39,7 @@
       uint8_t top_disc : 1;
       uint8_t bottom_disc : 1;
       uint8_t loader_top : 1;
+      uint8_t loader_bottom : 1;
     };
     uint32_t digitals;
   };