diff --git a/eagle/sk555-master-clock/sk555-master-clock.brd b/eagle/sk555-master-clock/sk555-master-clock.brd
index bee004b..e5ba077 100644
--- a/eagle/sk555-master-clock/sk555-master-clock.brd
+++ b/eagle/sk555-master-clock/sk555-master-clock.brd
@@ -899,7 +899,7 @@ design rules under a new name.</description>
 <element name="R7" library="rcl" package="R1206" value="47k" x="87.63" y="35.2425" rot="R180"/>
 <element name="R10" library="rcl" package="R1206" value="100" x="87.63" y="32.385" rot="R180"/>
 <element name="CV-IN" library="wirepad" package="3,17/1,1" value="" x="93.0275" y="34.925"/>
-<element name="D3" library="diode" package="MINIMELF" value="" x="86.36" y="42.545" rot="R270"/>
+<element name="D3" library="diode" package="MINIMELF" value="" x="83.82" y="42.545" rot="R270"/>
 <element name="CV-THRESH" library="pot" package="CIP20C-6MM" value="100k" x="48.26" y="73.66" rot="MR180"/>
 <element name="R5" library="rcl" package="R1206" value="100k" x="57.15" y="73.66"/>
 <element name="LOCK" library="pinhead" package="1X02" value="" x="91.7575" y="66.3575" rot="R180"/>
@@ -946,6 +946,8 @@ design rules under a new name.</description>
 <element name="OUT-1-INV1" library="wirepad" package="3,17/1,1" value="" x="36.195" y="48.895" rot="R180"/>
 <element name="OUT2" library="wirepad" package="3,17/1,1" value="" x="24.4475" y="48.895" rot="R180"/>
 <element name="C13" library="rcl" package="CT3528" value="2u2" x="5.08" y="29.5275" rot="R90"/>
+<element name="C14" library="rcl" package="C1206" value="" x="86.36" y="42.545" rot="R270"/>
+<element name="R22" library="rcl" package="R1206" value="47k" x="88.9" y="42.545" rot="R90"/>
 </elements>
 <signals>
 <signal name="GND">
@@ -1130,6 +1132,9 @@ design rules under a new name.</description>
 <vertex x="100.33" y="20.32"/>
 <vertex x="100.33" y="77.47"/>
 </polygon>
+<contactref element="C14" pad="2"/>
+<contactref element="R22" pad="1"/>
+<wire x1="88.9" y1="41.145" x2="88.9" y2="41.123" width="0.4064" layer="1"/>
 </signal>
 <signal name="N$38">
 <contactref element="C5" pad="2"/>
@@ -1729,7 +1734,14 @@ design rules under a new name.</description>
 <signal name="N$18">
 <contactref element="IC2" pad="4"/>
 <contactref element="D3" pad="C"/>
-<wire x1="86.6775" y1="46.6725" x2="86.36" y2="44.245" width="0.3048" layer="1"/>
+<contactref element="R22" pad="2"/>
+<contactref element="C14" pad="1"/>
+<wire x1="83.82" y1="44.245" x2="84.12" y2="43.945" width="0.4064" layer="1"/>
+<wire x1="84.12" y1="43.945" x2="86.36" y2="43.945" width="0.4064" layer="1"/>
+<wire x1="86.36" y1="43.945" x2="86.382" y2="43.967" width="0.4064" layer="1"/>
+<wire x1="86.382" y1="43.967" x2="88.9" y2="43.967" width="0.4064" layer="1"/>
+<wire x1="86.36" y1="43.945" x2="86.6775" y2="44.2625" width="0.4064" layer="1"/>
+<wire x1="86.6775" y1="44.2625" x2="86.6775" y2="46.6725" width="0.4064" layer="1"/>
 </signal>
 <signal name="N$20">
 <contactref element="R10" pad="2"/>
@@ -1758,9 +1770,10 @@ design rules under a new name.</description>
 <wire x1="80.1755" y1="35.56" x2="80.1755" y2="36.3605" width="0.3048" layer="1"/>
 <wire x1="80.1755" y1="36.3605" x2="81.28" y2="37.465" width="0.3048" layer="1"/>
 <wire x1="81.28" y1="37.465" x2="82.98" y2="37.465" width="0.3048" layer="1"/>
-<wire x1="82.98" y1="37.465" x2="86.36" y2="40.845" width="0.3048" layer="1"/>
 <wire x1="77.1525" y1="35.6725" x2="80.063" y2="35.6725" width="0.3048" layer="1"/>
 <wire x1="80.063" y1="35.6725" x2="80.1755" y2="35.56" width="0.3048" layer="1"/>
+<wire x1="82.98" y1="37.465" x2="83.82" y2="38.305" width="0.3048" layer="1"/>
+<wire x1="83.82" y1="38.305" x2="83.82" y2="40.845" width="0.3048" layer="1"/>
 </signal>
 <signal name="N$15">
 <contactref element="R17" pad="2"/>
@@ -1787,6 +1800,9 @@ design rules under a new name.</description>
 <wire x1="24.4475" y1="56.0455" x2="24.4475" y2="48.895" width="0.3048" layer="1"/>
 </signal>
 </signals>
+<errors>
+<approved hash="3,1,e87b1f9b60bf975f"/>
+</errors>
 </board>
 </drawing>
 </eagle>
diff --git a/eagle/sk555-master-clock/sk555-master-clock.sch b/eagle/sk555-master-clock/sk555-master-clock.sch
index 73e4f72..9bde844 100644
--- a/eagle/sk555-master-clock/sk555-master-clock.sch
+++ b/eagle/sk555-master-clock/sk555-master-clock.sch
@@ -19114,6 +19114,9 @@ NS Package M08A</description>
 <part name="OUT-1-INV1" library="wirepad" deviceset="3,17/1,1" device=""/>
 <part name="OUT2" library="wirepad" deviceset="3,17/1,1" device=""/>
 <part name="C13" library="rcl" deviceset="CPOL-EU" device="CT3528" value="2u2"/>
+<part name="GND33" library="supply1" deviceset="GND" device=""/>
+<part name="C14" library="rcl" deviceset="C-EU" device="C1206"/>
+<part name="R22" library="rcl" deviceset="R-EU_" device="R1206" value="47k"/>
 </parts>
 <sheets>
 <sheet>
@@ -19279,6 +19282,9 @@ NS Package M08A</description>
 <attribute name="NAME" x="100.457" y="-126.5174" size="1.778" layer="95" rot="MR0"/>
 <attribute name="VALUE" x="104.1146" y="-131.9971" size="1.778" layer="96" rot="MR90"/>
 </instance>
+<instance part="GND33" gate="1" x="5.08" y="-25.4" rot="MR0"/>
+<instance part="C14" gate="G$1" x="12.7" y="-15.24" rot="R270"/>
+<instance part="R22" gate="G$1" x="10.16" y="-20.32"/>
 </instances>
 <busses>
 </busses>
@@ -19420,6 +19426,15 @@ NS Package M08A</description>
 <pinref part="C12" gate="G$1" pin="1"/>
 <pinref part="GND32" gate="1" pin="GND"/>
 </segment>
+<segment>
+<pinref part="C14" gate="G$1" pin="2"/>
+<pinref part="R22" gate="G$1" pin="1"/>
+<wire x1="7.62" y1="-15.24" x2="5.08" y2="-15.24" width="0.1524" layer="91"/>
+<wire x1="5.08" y1="-15.24" x2="5.08" y2="-20.32" width="0.1524" layer="91"/>
+<pinref part="GND33" gate="1" pin="GND"/>
+<wire x1="5.08" y1="-20.32" x2="5.08" y2="-22.86" width="0.1524" layer="91"/>
+<junction x="5.08" y="-20.32"/>
+</segment>
 </net>
 <net name="N$38" class="0">
 <segment>
@@ -19944,7 +19959,15 @@ NS Package M08A</description>
 <wire x1="55.88" y1="-50.8" x2="50.8" y2="-50.8" width="0.1524" layer="91"/>
 <wire x1="50.8" y1="-50.8" x2="17.78" y2="-17.78" width="0.1524" layer="91"/>
 <pinref part="D3" gate="G$1" pin="C"/>
-<wire x1="17.78" y1="-17.78" x2="17.78" y2="-12.7" width="0.1524" layer="91"/>
+<wire x1="17.78" y1="-17.78" x2="17.78" y2="-15.24" width="0.1524" layer="91"/>
+<pinref part="R22" gate="G$1" pin="2"/>
+<wire x1="17.78" y1="-15.24" x2="17.78" y2="-12.7" width="0.1524" layer="91"/>
+<wire x1="15.24" y1="-20.32" x2="17.78" y2="-20.32" width="0.1524" layer="91"/>
+<wire x1="17.78" y1="-20.32" x2="17.78" y2="-17.78" width="0.1524" layer="91"/>
+<junction x="17.78" y="-17.78"/>
+<pinref part="C14" gate="G$1" pin="1"/>
+<wire x1="15.24" y1="-15.24" x2="17.78" y2="-15.24" width="0.1524" layer="91"/>
+<junction x="17.78" y="-15.24"/>
 </segment>
 </net>
 <net name="N$20" class="0">