fixed some small things on the sensors

lab1/lab1-rescue.dcm

+EESchema-DOCLIB  Version 2.0
+#
+#End Doc Library

lab1/lab1-rescue.lib

+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# +1.9V-power
+#
+DEF +1.9V-power #PWR 0 0 Y Y 1 F P
+F0 "#PWR" 0 -150 50 H I C CNN
+F1 "+1.9V-power" 0 140 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+DRAW
+P 2 0 1 0 -30 50 0 100 N
+P 2 0 1 0 0 0 0 100 N
+P 2 0 1 0 0 100 30 50 N
+X +1.9V 1 0 0 0 U 50 50 1 1 W N
+ENDDRAW
+ENDDEF
+#
+#End Library

lab1/sym-lib-table

 (sym_lib_table
   (lib (name lab1)(type Legacy)(uri ${KIPRJMOD}/lab1.lib)(options "")(descr ""))
+  (lib (name lab1-rescue)(type Legacy)(uri ${KIPRJMOD}/lab1-rescue.lib)(options "")(descr ""))
 )