diff --git a/atmega.sch b/atmega.sch
index e356ecb..a6af201 100644
--- a/atmega.sch
+++ b/atmega.sch
@@ -35,9 +35,9 @@ EELAYER 27 0
 EELAYER END
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 Title ""
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diff --git a/audio_inputs.sch b/audio_inputs.sch
index e6bcd94..bf9d3a4 100644
--- a/audio_inputs.sch
+++ b/audio_inputs.sch
@@ -35,9 +35,9 @@ EELAYER 27 0
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diff --git a/dac.sch b/dac.sch
new file mode 100644
index 0000000..e978d5c
--- /dev/null
+++ b/dac.sch
@@ -0,0 +1,1035 @@
+EESchema Schematic File Version 2
+LIBS:power
+LIBS:device
+LIBS:transistors
+LIBS:conn
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+LIBS:regul
+LIBS:74xx
+LIBS:cmos4000
+LIBS:adc-dac
+LIBS:memory
+LIBS:xilinx
+LIBS:special
+LIBS:microcontrollers
+LIBS:dsp
+LIBS:microchip
+LIBS:analog_switches
+LIBS:motorola
+LIBS:texas
+LIBS:intel
+LIBS:audio
+LIBS:interface
+LIBS:digital-audio
+LIBS:philips
+LIBS:display
+LIBS:cypress
+LIBS:siliconi
+LIBS:opto
+LIBS:atmel
+LIBS:contrib
+LIBS:valves
+LIBS:forsterker
+LIBS:forsterker-cache
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+EELAYER END
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diff --git a/forsterker.sch b/forsterker.sch
index 5b241f9..6cbdaf8 100644
--- a/forsterker.sch
+++ b/forsterker.sch
@@ -35,9 +35,9 @@ EELAYER 27 0
 EELAYER END
 $Descr A4 11693 8268
 encoding utf-8
-Sheet 1 3
+Sheet 1 4
 Title ""
-Date "22 apr 2014"
+Date "25 apr 2014"
 Rev ""
 Comp ""
 Comment1 ""
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 F1 "atmega.sch" 50
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