diff --git a/labsw/components/opto-trans-4.lib b/labsw/components/opto-trans-4.lib
new file mode 100644
index 0000000..da3be07
--- /dev/null
+++ b/labsw/components/opto-trans-4.lib
@@ -0,0 +1,29 @@
+EESchema-LIBRARY Version 2.3  Date: Tue Aug 23 02:34:30 2011
+#
+# OPTO-TRANS-4
+#
+DEF OPTO-TRANS-4 U 0 0 Y Y 1 F N
+F0 "U" -150 200 60 H V C CNN
+F1 "OPTO-TRANS-4" 0 -225 60 H V C CNN
+DRAW
+S -200 150 250 -150 0 1 0 N
+P 2 0 1 0  -150 -50  -50 -50 N
+P 2 0 1 0  -100 100  -150 100 N
+P 2 0 1 0  25 -75  0 -75 N
+P 2 0 1 0  25 -25  0 -25 N
+P 2 0 1 0  100 0  175 -75 N
+P 2 0 1 0  100 100  100 -100 N
+P 2 0 1 0  200 100  100 0 N
+P 3 0 1 0  -100 -50  -100 -100  -150 -100 N
+P 3 0 1 0  -25 -25  25 -75  25 -50 N
+P 3 0 1 0  -25 25  25 -25  25 0 N
+P 4 0 1 0  200 -100  150 -100  200 -50  200 -100 N
+P 6 0 1 0  -100 100  -100 50  -150 50  -100 -50  -50 50  -100 50 N
+X A 1 -350 100 200 R 50 50 1 1 P
+X K 2 -350 -100 200 R 50 50 1 1 P
+X E 3 400 -100 200 L 50 50 1 1 P
+X C 4 400 100 200 L 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/labsw/components/spdt-c.lib b/labsw/components/spdt-c.lib
new file mode 100644
index 0000000..5490588
--- /dev/null
+++ b/labsw/components/spdt-c.lib
@@ -0,0 +1,28 @@
+EESchema-LIBRARY Version 2.3  Date: Tue Aug 23 03:05:31 2011
+#
+# SPDT-C
+#
+DEF SPDT-C K 0 40 Y N 1 F N
+F0 "K" -300 0 60 H V C CNN
+F1 "SPDT-C" 450 -50 60 H V C CNN
+DRAW
+S 0 50 -200 -50 0 1 0 N
+P 2 0 1 0  -100 -50  -100 -100 N
+P 2 0 1 0  -100 50  -100 100 N
+P 2 0 1 0  0 0  125 0 N
+P 2 0 1 0  100 -100  200 -100 N
+P 3 0 1 0  100 50  100 100  0 100 N
+P 3 0 1 0  100 50  150 -50  150 -100 N
+P 3 0 1 0  200 50  200 100  300 100 N
+X A1 A1 -100 300 200 D 50 50 1 1 P
+X A2 A2 -100 -300 200 U 50 50 1 1 P
+X 11A 11A 100 -300 200 U 50 50 1 1 P
+X 12A 12A 0 300 200 D 50 50 1 1 P
+X 14A 14A 200 300 200 D 50 50 1 1 P
+X 11B 11B 200 -300 200 U 50 50 1 1 P
+X 12B 12B 100 300 200 D 50 50 1 1 P
+X 14B 14B 300 300 200 D 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/labsw/modules/Makefile b/labsw/modules/Makefile
new file mode 100644
index 0000000..fe04f3f
--- /dev/null
+++ b/labsw/modules/Makefile
@@ -0,0 +1,16 @@
+MODULES=dip header relay
+
+.SUFFIXES:	.fpd .mod
+
+.PHONY:		all clean
+
+all:		$(MODULES:%=%.mod)
+
+clean:
+		rm -f *~*.fpd
+
+spotless:	clean
+		rm -f $(MODULES:%=%.mod)
+
+.fpd.mod:
+		fped -k $< $@
diff --git a/labsw/modules/dip.fpd b/labsw/modules/dip.fpd
new file mode 100644
index 0000000..58601e0
--- /dev/null
+++ b/labsw/modules/dip.fpd
@@ -0,0 +1,73 @@
+/* MACHINE-GENERATED ! */
+
+frame pin {
+	__0: vec @(hole/2, hole/2)
+	__1: vec @(-hole/2, -hole/2)
+	hole . __0
+	__2: vec @(-ratio*hole/2, ratio*hole/2)
+	__3: vec @(ratio*hole/2, -ratio*hole/2)
+	rpad "$n" __2 .
+}
+
+frame pin_top {
+	set n = N-i
+
+	frame pin @
+}
+
+frame pin_bottom {
+	set n = i+1
+
+	frame pin @
+}
+
+frame pins {
+	loop i = 0, side-1
+
+	__0: vec @(pitch*(i-(side-1)/2), 0mm)
+	__1: vec .(0mm, width/2)
+	frame pin_top .
+	__2: vec __0(0mm, -width/2)
+	frame pin_bottom .
+}
+
+frame marker {
+	set r = (side*pitch-x)/2-w
+
+	set clear = 0.3mm
+
+	__0: vec @(-x/2-r-clear, -y/2+r)
+	__1: vec .(0mm, r)
+	circ __0 . w
+}
+
+frame outline {
+	set x = (side-1)*pitch+ratio*hole
+
+	set y = width-pitch
+
+	set w = 5mil
+
+	__0: vec @(x/2, y/2)
+	__1: vec @(-x/2, -y/2)
+	rect . __0 w
+	frame marker @
+}
+
+package "DIP-$N-${width}"
+unit mm
+
+set N = 2*side
+
+set width = 300mil
+
+set hole = 0.5mm
+
+set ratio = 2.5
+
+set pitch = 100mil
+
+loop side = 2, 20
+
+frame outline @
+frame pins @
diff --git a/labsw/modules/header.fpd b/labsw/modules/header.fpd
new file mode 100644
index 0000000..1757ef0
--- /dev/null
+++ b/labsw/modules/header.fpd
@@ -0,0 +1,55 @@
+/* MACHINE-GENERATED ! */
+
+frame pin {
+	set n = col*R+row+1
+
+	__0: vec @(hole/2, hole/2)
+	__1: vec @(hole*ratio/2, -hole*ratio/2)
+	__2: vec @(-hole/2, -hole/2)
+	hole . __0
+	__3: vec @(-hole*ratio/2, hole*ratio/2)
+	rpad "$n" . __1
+}
+
+frame pins {
+	loop row = 0, R-1
+
+	loop col = 0, C-1
+
+	__1: vec @(-P*(C-1)/2, -P*(R-1)/2)
+	__0: vec .(col*P, row*P)
+	frame pin .
+}
+
+frame outline {
+	set x = C*P
+
+	set y = R*P
+
+	__0: vec @(x/2, y/2)
+	__1: vec @(-x/2, -y/2)
+	rect . __0 width
+}
+
+package "HDR-${C}x${R}-$P"
+unit mm
+
+table
+    { R }
+    { 1 }
+    { 2 }
+
+table
+    { P, hole, ratio }
+    { 100mil, 0.8mm, 2 }
+    { 200mil, 1mm, 2.5 }
+
+set width = 5mil
+
+loop C = 2, 20
+
+frame pins @
+frame outline @
+measy outline.__1 >> outline.__0 1mm
+measx pin.__2 -> pin.__0 -P/2-1mm
+measx pin.__3 -> pin.__1 (R-0.5)*P+1mm
diff --git a/labsw/modules/relay.fpd b/labsw/modules/relay.fpd
new file mode 100644
index 0000000..1ebc906
--- /dev/null
+++ b/labsw/modules/relay.fpd
@@ -0,0 +1,56 @@
+/* MACHINE-GENERATED ! */
+
+frame pin {
+	__0: vec @(hole/2, hole/2)
+	__1: vec @(-hole/2, -hole/2)
+	hole . __0
+	__2: vec @(ratio*hole/2, -ratio*hole/2)
+	__3: vec @(-ratio*hole/2, ratio*hole/2)
+	rpad "$name" . __2
+}
+
+frame pins {
+	table
+	    { name, dy, dx }
+	    { "A1", 1, 0 }
+	    { "A2", -1, 0 }
+	    { "12A", 1, 6 }
+	    { "12B", -1, 6 }
+	    { "11A", 1, 8 }
+	    { "11B", -1, 8 }
+	    { "14A", 1, 10 }
+	    { "14B", -1, 10 }
+
+	set x = dx*grid
+
+	set y = dy*grid*1.5
+
+	__0: vec @(x, y)
+	frame pin .
+}
+
+frame outline {
+	set x0 = -grid
+
+	set x1 = x0+29mm
+
+	set y = 2.5*grid
+
+	__1: vec @(x0, -y)
+	__0: vec @(x1, y)
+	rect __1 . w
+}
+
+package "RELAY"
+unit mm
+
+set grid = 2.52mm
+
+set hole = 1.3mm
+
+set ratio = 2
+
+set w = 5mil
+
+frame pins @
+frame outline @