diff --git a/library/opto.lib b/library/opto.lib
index 09d8794b..59ff8ab7 100644
--- a/library/opto.lib
+++ b/library/opto.lib
@@ -1,4 +1,4 @@
-EESchema-LIBRARY Version 2.3  Date: Thu 05 Aug 2010 06:12:07 PM ICT
+EESchema-LIBRARY Version 2.3  Date: Sat 20 Nov 2010 01:03:20 PM ICT
 #
 # LTV847
 #
@@ -137,6 +137,33 @@ X B 6 600 200 300 L 50 50 1 1 I
 ENDDRAW
 ENDDEF
 #
+# OPTO-TRANSISTOR4
+#
+DEF OPTO-TRANSISTOR4 U 0 30 Y Y 1 F N
+F0 "U" 200 250 60 H V C CNN
+F1 "OPTO-TRANSISTOR4" 0 -250 60 H V C CNN
+DRAW
+S -350 200 300 -200 0 1 0 N
+P 3 0 1 0  -350 -150  -300 -150  -300 -150 N
+P 3 0 1 0  -350 150  -300 150  -300 150 N
+P 3 0 1 0  -60 -90  -40 -70  -40 -70 N
+P 3 0 1 0  100 100  100 -100  100 -100 N
+P 3 0 1 0  300 -150  250 -150  250 -150 N
+P 3 0 1 0  300 150  250 150  250 150 N
+P 4 0 1 0  -200 -50  -200 -150  -300 -150  -300 -150 N
+P 5 0 1 0  100 -50  150 -100  150 -150  250 -150  250 -150 N
+P 5 0 1 0  100 50  150 100  150 150  250 150  250 150 N
+P 5 0 1 0  110 -80  130 -60  130 -80  110 -80  110 -80 N
+P 6 0 1 0  -120 -10  -40 -90  -40 -70  -40 -90  -60 -90  -60 -90 N
+P 7 0 1 0  -120 -70  -40 -150  -40 -130  -40 -150  -60 -150  -40 -130  -40 -130 N
+P 8 0 1 0  -300 150  -200 150  -200 50  -300 50  -200 -50  -100 50  -200 50  -200 50 N
+X A 1 -650 150 300 R 50 50 1 1 I
+X K 2 -650 -150 300 R 50 50 1 1 I
+X E 3 600 -150 300 L 50 50 1 1 O
+X C 4 600 150 300 L 50 50 1 1 O
+ENDDRAW
+ENDDEF
+#
 # OPTO-TRIAC
 #
 DEF OPTO-TRIAC U 0 30 Y Y 1 F N
diff --git a/library/regul.dcm b/library/regul.dcm
index d6d0952b..ebc57777 100644
--- a/library/regul.dcm
+++ b/library/regul.dcm
@@ -1,4 +1,4 @@
-EESchema-DOCLIB  Version 2.0  Date: Mon 15 Nov 2010 03:39:49 PM ICT
+EESchema-DOCLIB  Version 2.0  Date: Mon 22 Nov 2010 01:43:02 PM ICT
 #
 $CMP 7805
 D Linear Regulator +5V
diff --git a/library/regul.lib b/library/regul.lib
index 3b512694..7d99e817 100644
--- a/library/regul.lib
+++ b/library/regul.lib
@@ -1,4 +1,4 @@
-EESchema-LIBRARY Version 2.3  Date: Mon 15 Nov 2010 03:39:49 PM ICT
+EESchema-LIBRARY Version 2.3  Date: Mon 22 Nov 2010 01:43:02 PM ICT
 #
 # 7805
 #
@@ -103,6 +103,23 @@ X CTL 4 0 550 300 D 50 50 1 1 I I
 ENDDRAW
 ENDDEF
 #
+# LM136
+#
+DEF LM136 U 0 40 Y Y 1 F N
+F0 "U" -150 300 60 H V C CNN
+F1 "LM136" 200 -300 60 H V C CNN
+ALIAS LM236 LM336
+DRAW
+S 300 200 -150 -200 0 1 0 N
+P 4 0 1 0  0 100  -75 100  -100 75  -100 75 N
+P 5 0 1 0  0 100  50 100  75 100  100 125  100 125 N
+P 5 1 1 0  0 100  -100 -100  100 -100  0 100  0 100 N
+X + 1 0 500 300 D 50 50 1 1 I
+X - 2 0 -500 300 U 50 50 1 1 I
+X ADJ 3 600 0 300 L 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
 # LM257X
 #
 DEF LM257X U 0 40 Y Y 1 F N