diff --git a/vcf-20/hardware_design/pcb/vcf20.brd b/vcf-20/hardware_design/pcb/vcf20.brd
index 759d10d..028a16f 100644
--- a/vcf-20/hardware_design/pcb/vcf20.brd
+++ b/vcf-20/hardware_design/pcb/vcf20.brd
@@ -3,7 +3,7 @@
 <eagle version="9.5.2">
 <drawing>
 <settings>
-<setting alwaysvectorfont="yes"/>
+<setting alwaysvectorfont="no"/>
 <setting verticaltext="up"/>
 </settings>
 <grid distance="50" unitdist="mil" unit="mm" style="lines" multiple="1" display="no" altdistance="0.0125" altunitdist="inch" altunit="inch"/>
@@ -2060,12 +2060,12 @@ Please make sure your boards conform to these design rules.
 <attribute name="SPICEPREFIX" value="R" x="15.875" y="71.755" size="1.778" layer="27" display="off"/>
 <attribute name="VALUE" x="15.24" y="70.485" size="0.8128" layer="27" font="vector"/>
 </element>
-<element name="T1" library="transistor" library_urn="urn:adsk.eagle:library:402" package="SOT23-BEC" package3d_urn="urn:adsk.eagle:package:28748/2" value="3904" x="15.5575" y="33.655" smashed="yes">
+<element name="T1" library="transistor" library_urn="urn:adsk.eagle:library:402" package="SOT23-BEC" package3d_urn="urn:adsk.eagle:package:28748/2" value="3906" x="15.5575" y="33.655" smashed="yes">
 <attribute name="NAME" x="14.2875" y="30.48" size="1.27" layer="25"/>
 <attribute name="POPULARITY" value="0" x="15.5575" y="33.655" size="1.778" layer="27" display="off"/>
 <attribute name="VALUE" x="13.6525" y="30.48" size="1.27" layer="27"/>
 </element>
-<element name="T2" library="transistor" library_urn="urn:adsk.eagle:library:402" package="SOT23-BEC" package3d_urn="urn:adsk.eagle:package:28748/2" value="3904" x="19.685" y="33.655" smashed="yes">
+<element name="T2" library="transistor" library_urn="urn:adsk.eagle:library:402" package="SOT23-BEC" package3d_urn="urn:adsk.eagle:package:28748/2" value="3906" x="19.685" y="33.655" smashed="yes">
 <attribute name="NAME" x="21.59" y="33.02" size="1.27" layer="25"/>
 <attribute name="POPULARITY" value="0" x="19.685" y="33.655" size="1.778" layer="27" display="off"/>
 <attribute name="VALUE" x="17.78" y="30.48" size="1.27" layer="27"/>
@@ -2126,13 +2126,13 @@ Please make sure your boards conform to these design rules.
 <attribute name="SPICEPREFIX" value="C" x="17.78" y="68.58" size="1.778" layer="27" display="off"/>
 <attribute name="VALUE" x="17.145" y="67.183" size="0.8128" layer="27" font="vector"/>
 </element>
-<element name="D1" library="adafruit" library_urn="urn:adsk.eagle:library:420" package="SMADIODE" package3d_urn="urn:adsk.eagle:package:6240747/1" value="1N4001" x="25.353" y="97.409" smashed="yes">
-<attribute name="NAME" x="22.813" y="99.314" size="0.4064" layer="25" font="vector"/>
-<attribute name="VALUE" x="22.813" y="95.123" size="0.4064" layer="27" font="vector"/>
+<element name="D1" library="adafruit" library_urn="urn:adsk.eagle:library:420" package="SMADIODE" package3d_urn="urn:adsk.eagle:package:6240747/1" value="1N4001" x="5.127" y="96.901" smashed="yes" rot="R180">
+<attribute name="NAME" x="7.667" y="94.996" size="0.4064" layer="25" font="vector" rot="R180"/>
+<attribute name="VALUE" x="7.667" y="99.187" size="0.4064" layer="27" font="vector" rot="R180"/>
 </element>
-<element name="D2" library="adafruit" library_urn="urn:adsk.eagle:library:420" package="SMADIODE" package3d_urn="urn:adsk.eagle:package:6240747/1" value="1N4001" x="4.722" y="96.9645" smashed="yes">
-<attribute name="NAME" x="2.182" y="98.8695" size="0.4064" layer="25" font="vector"/>
-<attribute name="VALUE" x="2.182" y="94.6785" size="0.4064" layer="27" font="vector"/>
+<element name="D2" library="adafruit" library_urn="urn:adsk.eagle:library:420" package="SMADIODE" package3d_urn="urn:adsk.eagle:package:6240747/1" value="1N4001" x="24.8055" y="97.3455" smashed="yes" rot="R180">
+<attribute name="NAME" x="27.3455" y="95.4405" size="0.4064" layer="25" font="vector" rot="R180"/>
+<attribute name="VALUE" x="27.3455" y="99.6315" size="0.4064" layer="27" font="vector" rot="R180"/>
 </element>
 <element name="C14" library="rcl" library_urn="urn:adsk.eagle:library:334" package="PANASONIC_C" package3d_urn="urn:adsk.eagle:package:23422/2" value="10uF" x="25.908" y="91.44" smashed="yes" rot="R90">
 <attribute name="NAME" x="23.158" y="88.84" size="1.016" layer="25" rot="R90"/>
@@ -2558,9 +2558,8 @@ Please make sure your boards conform to these design rules.
 <wire x1="29.4894" y1="96.012" x2="28.6893" y2="95.2119" width="0.4064" layer="1"/>
 <wire x1="29.4894" y1="98.7552" x2="29.4894" y2="96.012" width="0.4064" layer="1"/>
 <wire x1="29.1465" y1="99.0981" x2="29.4894" y2="98.7552" width="0.4064" layer="1"/>
-<wire x1="26.1747" y1="99.0981" x2="29.1465" y2="99.0981" width="0.4064" layer="1"/>
-<wire x1="24.6888" y1="97.6122" x2="26.1747" y2="99.0981" width="0.4064" layer="1"/>
-<wire x1="24.6888" y1="89.39" x2="24.6888" y2="97.6122" width="0.4064" layer="1"/>
+<wire x1="24.6888" y1="99.0981" x2="29.1465" y2="99.0981" width="0.4064" layer="1"/>
+<wire x1="24.6888" y1="89.39" x2="24.6888" y2="99.0981" width="0.4064" layer="1"/>
 <wire x1="28.6893" y1="74.295" x2="28.59" y2="74.295" width="0.4064" layer="1"/>
 <wire x1="5.6007" y1="80.9244" x2="6.5151" y2="80.01" width="0.4064" layer="1"/>
 <wire x1="5.3721" y1="80.9244" x2="5.6007" y2="80.9244" width="0.4064" layer="1"/>
@@ -2881,14 +2880,11 @@ Please make sure your boards conform to these design rules.
 <contactref element="C6" pad="1"/>
 <contactref element="C4" pad="1"/>
 <contactref element="C5" pad="1"/>
-<contactref element="D1" pad="A"/>
 <contactref element="C14" pad="+"/>
 <contactref element="U1" pad="8"/>
 <contactref element="U2" pad="8"/>
 <contactref element="U3" pad="8"/>
 <contactref element="IC1" pad="11"/>
-<wire x1="27.7025" y1="97.409" x2="27.7025" y2="95.2845" width="0.4064" layer="1"/>
-<wire x1="27.7025" y1="95.2845" x2="25.908" y2="93.49" width="0.4064" layer="1"/>
 <wire x1="25.908" y1="93.49" x2="25.908" y2="91.9647375" width="0.4064" layer="1"/>
 <wire x1="25.908" y1="91.9647375" x2="27.0144" y2="90.8583375" width="0.4064" layer="1"/>
 <wire x1="27.0144" y1="90.8583375" x2="27.0144" y2="87.63" width="0.4064" layer="1"/>
@@ -2927,6 +2923,9 @@ Please make sure your boards conform to these design rules.
 <wire x1="26.5175" y1="77" x2="24.585" y2="77" width="0.4064" layer="1"/>
 <wire x1="24.585" y1="77" x2="17.5" y2="77" width="0.4064" layer="1"/>
 <wire x1="27.29" y1="74.295" x2="24.585" y2="77" width="0.4064" layer="1"/>
+<contactref element="D2" pad="C"/>
+<wire x1="25.908" y1="93.49" x2="27.155" y2="94.737" width="0.4064" layer="1"/>
+<wire x1="27.155" y1="94.737" x2="27.155" y2="97.3455" width="0.4064" layer="1"/>
 </signal>
 <signal name="-12V" class="1">
 <contactref element="VR5" pad="1"/>
@@ -2935,14 +2934,11 @@ Please make sure your boards conform to these design rules.
 <contactref element="C13" pad="2"/>
 <contactref element="C11" pad="2"/>
 <contactref element="C12" pad="2"/>
-<contactref element="D2" pad="C"/>
 <contactref element="C15" pad="-"/>
 <contactref element="U1" pad="4"/>
 <contactref element="U2" pad="4"/>
 <contactref element="U3" pad="4"/>
 <contactref element="IC1" pad="6"/>
-<wire x1="2.3725" y1="96.9645" x2="4.445" y2="94.892" width="0.4064" layer="1"/>
-<wire x1="4.445" y1="94.892" x2="4.445" y2="93.49" width="0.4064" layer="1"/>
 <wire x1="4.445" y1="93.49" x2="1.27" y2="90.315" width="0.4064" layer="1"/>
 <wire x1="1.27" y1="90.315" x2="1.27" y2="87.63" width="0.4064" layer="1"/>
 <wire x1="1.27" y1="87.63" x2="1.27" y2="78.74" width="0.4064" layer="1"/>
@@ -2995,6 +2991,9 @@ Please make sure your boards conform to these design rules.
 <wire x1="5.6936" y1="83.2064" x2="5.6936" y2="82.5016625" width="0.4064" layer="1"/>
 <wire x1="5.6936" y1="82.5016625" x2="5.9627625" y2="82.2325" width="0.4064" layer="1"/>
 <wire x1="5.9627625" y1="82.2325" x2="7.2675" y2="82.2325" width="0.4064" layer="1"/>
+<contactref element="D1" pad="A"/>
+<wire x1="4.445" y1="95.2335" x2="2.7775" y2="96.901" width="0.4064" layer="1"/>
+<wire x1="4.445" y1="93.49" x2="4.445" y2="95.2335" width="0.4064" layer="1"/>
 </signal>
 <signal name="N$25">
 <contactref element="VR4" pad="3"/>
@@ -3203,18 +3202,28 @@ Please make sure your boards conform to these design rules.
 <contactref element="C9" pad="POS2"/>
 <contactref element="D2" pad="A"/>
 <wire x1="10.4" y1="94.107" x2="9.929" y2="94.107" width="0.4064" layer="1"/>
-<wire x1="9.929" y1="94.107" x2="7.0715" y2="96.9645" width="0.4064" layer="1"/>
 <wire x1="10.4" y1="94.107" x2="10.4" y2="91.567" width="0.4064" layer="1"/>
+<via x="22.86" y="95.25" extent="1-16" drill="0.35"/>
+<wire x1="10.4" y1="94.107" x2="11.29018125" y2="94.107" width="0.4064" layer="16"/>
+<wire x1="21.11761875" y1="95.4532" x2="21.32081875" y2="95.25" width="0.4064" layer="16"/>
+<wire x1="21.32081875" y1="95.25" x2="22.86" y2="95.25" width="0.4064" layer="16"/>
+<wire x1="11.29018125" y1="94.107" x2="12.63638125" y2="95.4532" width="0.4064" layer="16"/>
+<wire x1="12.63638125" y1="95.4532" x2="21.11761875" y2="95.4532" width="0.4064" layer="16"/>
+<wire x1="22.86" y1="95.25" x2="22.456" y2="95.654" width="0.4064" layer="1"/>
+<wire x1="22.456" y1="95.654" x2="22.456" y2="97.3455" width="0.4064" layer="1"/>
 </signal>
 <signal name="N$33" class="1">
 <contactref element="C9" pad="NEG2"/>
 <contactref element="C9" pad="NEG1"/>
 <contactref element="D1" pad="C"/>
-<wire x1="20.56" y1="94.107" x2="23.0035" y2="96.5505" width="0.4064" layer="1"/>
-<wire x1="23.0035" y1="96.5505" x2="23.0035" y2="97.409" width="0.4064" layer="1"/>
 <wire x1="20.574" y1="93.9546" x2="20.574" y2="91.6686" width="0.4064" layer="1"/>
 <wire x1="20.574" y1="91.6686" x2="20.56" y2="91.567" width="0.4064" layer="1"/>
-<wire x1="20.574" y1="93.9546" x2="20.56" y2="94.107" width="0.4064" layer="1"/>
+<wire x1="20.574" y1="93.9546" x2="20.569559375" y2="94.002925" width="0.4064" layer="1"/>
+<wire x1="20.569559375" y1="94.002925" x2="20.56" y2="94.107" width="0.4064" layer="1"/>
+<wire x1="7.4765" y1="96.901" x2="8.9243" y2="95.4532" width="0.4064" layer="1"/>
+<wire x1="19.77389375" y1="94.002925" x2="20.569559375" y2="94.002925" width="0.4064" layer="1"/>
+<wire x1="18.32361875" y1="95.4532" x2="19.77389375" y2="94.002925" width="0.4064" layer="1"/>
+<wire x1="8.9243" y1="95.4532" x2="18.32361875" y2="95.4532" width="0.4064" layer="1"/>
 </signal>
 </signals>
 <mfgpreviewcolors>
diff --git a/vcf-20/hardware_design/pcb/vcf20.sch b/vcf-20/hardware_design/pcb/vcf20.sch
index 86596e1..be52cd9 100644
--- a/vcf-20/hardware_design/pcb/vcf20.sch
+++ b/vcf-20/hardware_design/pcb/vcf20.sch
@@ -18433,8 +18433,8 @@ R2 3 2 {val-val*var/100}
 <part name="R19" library="jhbruhn-cr" deviceset="R-EU_" device="R0402" package3d_urn="urn:adsk.eagle:package:23547/3" value="100k"/>
 <part name="R20" library="jhbruhn-cr" deviceset="R-EU_" device="R0402" package3d_urn="urn:adsk.eagle:package:23547/3" value="100k"/>
 <part name="R21" library="jhbruhn-cr" deviceset="R-EU_" device="R0402" package3d_urn="urn:adsk.eagle:package:23547/3" value="220k"/>
-<part name="T1" library="transistor" library_urn="urn:adsk.eagle:library:402" deviceset="*-PNP-" device="SOT23-BEC" package3d_urn="urn:adsk.eagle:package:28748/2" technology="MMBT3906LT1" value="3904"/>
-<part name="T2" library="transistor" library_urn="urn:adsk.eagle:library:402" deviceset="*-PNP-" device="SOT23-BEC" package3d_urn="urn:adsk.eagle:package:28748/2" technology="MMBT3906LT1" value="3904"/>
+<part name="T1" library="transistor" library_urn="urn:adsk.eagle:library:402" deviceset="*-PNP-" device="SOT23-BEC" package3d_urn="urn:adsk.eagle:package:28748/2" technology="MMBT3906LT1" value="3906"/>
+<part name="T2" library="transistor" library_urn="urn:adsk.eagle:library:402" deviceset="*-PNP-" device="SOT23-BEC" package3d_urn="urn:adsk.eagle:package:28748/2" technology="MMBT3906LT1" value="3906"/>
 <part name="P-2" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="-12V" device=""/>
 <part name="R22" library="jhbruhn-cr" deviceset="R-EU_" device="R0402" package3d_urn="urn:adsk.eagle:package:23547/3" value="470k"/>
 <part name="GND14" library="supply1" library_urn="urn:adsk.eagle:library:371" deviceset="GND" device=""/>
@@ -18748,7 +18748,7 @@ R2 3 2 {val-val*var/100}
 <instance part="GND16" gate="1" x="116.84" y="-48.26" smashed="yes">
 <attribute name="VALUE" x="114.3" y="-50.8" size="1.778" layer="96"/>
 </instance>
-<instance part="C9" gate="G$1" x="274.32" y="-22.86" smashed="yes" rot="R180"/>
+<instance part="C9" gate="G$1" x="274.32" y="-17.78" smashed="yes"/>
 <instance part="C10" gate="G$1" x="215.9" y="-27.94" smashed="yes">
 <attribute name="NAME" x="217.424" y="-27.559" size="1.778" layer="95"/>
 <attribute name="VALUE" x="217.424" y="-32.639" size="1.778" layer="96"/>
@@ -18774,22 +18774,22 @@ R2 3 2 {val-val*var/100}
 <instance part="GND17" gate="1" x="200.66" y="-25.4" smashed="yes">
 <attribute name="VALUE" x="198.12" y="-27.94" size="1.778" layer="96"/>
 </instance>
-<instance part="D1" gate="G$1" x="264.16" y="-17.78" smashed="yes">
-<attribute name="NAME" x="261.62" y="-15.24" size="1.27" layer="95"/>
-<attribute name="VALUE" x="261.62" y="-21.59" size="1.27" layer="96"/>
+<instance part="D1" gate="G$1" x="284.48" y="-22.86" smashed="yes" rot="R180">
+<attribute name="NAME" x="287.02" y="-25.4" size="1.27" layer="95" rot="R180"/>
+<attribute name="VALUE" x="287.02" y="-19.05" size="1.27" layer="96" rot="R180"/>
 </instance>
-<instance part="D2" gate="G$1" x="264.16" y="-27.94" smashed="yes" rot="R180">
-<attribute name="NAME" x="266.7" y="-30.48" size="1.27" layer="95" rot="R180"/>
-<attribute name="VALUE" x="266.7" y="-24.13" size="1.27" layer="96" rot="R180"/>
+<instance part="D2" gate="G$1" x="284.48" y="-12.7" smashed="yes">
+<attribute name="NAME" x="281.94" y="-10.16" size="1.27" layer="95"/>
+<attribute name="VALUE" x="281.94" y="-16.51" size="1.27" layer="96"/>
 </instance>
-<instance part="P+3" gate="1" x="256.54" y="-12.7" smashed="yes">
-<attribute name="VALUE" x="254" y="-17.78" size="1.778" layer="96" rot="R90"/>
+<instance part="P+3" gate="1" x="289.56" y="-5.08" smashed="yes">
+<attribute name="VALUE" x="287.02" y="-10.16" size="1.778" layer="96" rot="R90"/>
 </instance>
-<instance part="P-4" gate="1" x="256.54" y="-33.02" smashed="yes">
-<attribute name="VALUE" x="254" y="-35.56" size="1.778" layer="96" rot="R90"/>
+<instance part="P-4" gate="1" x="289.56" y="-30.48" smashed="yes">
+<attribute name="VALUE" x="287.02" y="-33.02" size="1.778" layer="96" rot="R90"/>
 </instance>
-<instance part="GND18" gate="1" x="256.54" y="-25.4" smashed="yes">
-<attribute name="VALUE" x="254" y="-27.94" size="1.778" layer="96"/>
+<instance part="GND18" gate="1" x="292.1" y="-20.32" smashed="yes">
+<attribute name="VALUE" x="289.56" y="-22.86" size="1.778" layer="96"/>
 </instance>
 <instance part="C14" gate="G$1" x="208.28" y="-12.7" smashed="yes">
 <attribute name="NAME" x="209.423" y="-12.2174" size="1.778" layer="95"/>
@@ -19101,7 +19101,7 @@ R2 3 2 {val-val*var/100}
 <segment>
 <pinref part="C9" gate="G$1" pin="GND"/>
 <pinref part="GND18" gate="1" pin="GND"/>
-<wire x1="269.24" y1="-22.86" x2="256.54" y2="-22.86" width="0.1524" layer="91"/>
+<wire x1="279.4" y1="-17.78" x2="292.1" y2="-17.78" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="N$15" class="0">
@@ -19234,12 +19234,6 @@ R2 3 2 {val-val*var/100}
 <junction x="215.9" y="-10.16"/>
 </segment>
 <segment>
-<pinref part="D1" gate="G$1" pin="A"/>
-<wire x1="261.62" y1="-17.78" x2="256.54" y2="-17.78" width="0.1524" layer="91"/>
-<pinref part="P+3" gate="1" pin="+12V"/>
-<wire x1="256.54" y1="-17.78" x2="256.54" y2="-15.24" width="0.1524" layer="91"/>
-</segment>
-<segment>
 <pinref part="U1" gate="P" pin="V+"/>
 <pinref part="U2" gate="P" pin="V+"/>
 <wire x1="241.3" y1="17.78" x2="246.38" y2="17.78" width="0.1524" layer="91"/>
@@ -19254,6 +19248,12 @@ R2 3 2 {val-val*var/100}
 <wire x1="248.92" y1="20.32" x2="248.92" y2="17.78" width="0.1524" layer="91"/>
 <junction x="248.92" y="17.78"/>
 </segment>
+<segment>
+<pinref part="D2" gate="G$1" pin="C"/>
+<pinref part="P+3" gate="1" pin="+12V"/>
+<wire x1="287.02" y1="-12.7" x2="289.56" y2="-12.7" width="0.1524" layer="91"/>
+<wire x1="289.56" y1="-12.7" x2="289.56" y2="-7.62" width="0.1524" layer="91"/>
+</segment>
 </net>
 <net name="-12V" class="1">
 <segment>
@@ -19285,12 +19285,6 @@ R2 3 2 {val-val*var/100}
 <junction x="215.9" y="-33.02"/>
 </segment>
 <segment>
-<pinref part="D2" gate="G$1" pin="C"/>
-<wire x1="261.62" y1="-27.94" x2="256.54" y2="-27.94" width="0.1524" layer="91"/>
-<pinref part="P-4" gate="1" pin="-12V"/>
-<wire x1="256.54" y1="-27.94" x2="256.54" y2="-30.48" width="0.1524" layer="91"/>
-</segment>
-<segment>
 <pinref part="U1" gate="P" pin="V-"/>
 <pinref part="U2" gate="P" pin="V-"/>
 <wire x1="241.3" y1="2.54" x2="246.38" y2="2.54" width="0.1524" layer="91"/>
@@ -19305,6 +19299,12 @@ R2 3 2 {val-val*var/100}
 <wire x1="248.92" y1="0" x2="248.92" y2="2.54" width="0.1524" layer="91"/>
 <junction x="248.92" y="2.54"/>
 </segment>
+<segment>
+<pinref part="D1" gate="G$1" pin="A"/>
+<wire x1="287.02" y1="-22.86" x2="289.56" y2="-22.86" width="0.1524" layer="91"/>
+<pinref part="P-4" gate="1" pin="-12V"/>
+<wire x1="289.56" y1="-22.86" x2="289.56" y2="-27.94" width="0.1524" layer="91"/>
+</segment>
 </net>
 <net name="N$25" class="0">
 <segment>
@@ -19427,14 +19427,14 @@ R2 3 2 {val-val*var/100}
 <segment>
 <pinref part="C9" gate="G$1" pin="+12V"/>
 <pinref part="D2" gate="G$1" pin="A"/>
-<wire x1="269.24" y1="-27.94" x2="266.7" y2="-27.94" width="0.1524" layer="91"/>
+<wire x1="279.4" y1="-12.7" x2="281.94" y2="-12.7" width="0.1524" layer="91"/>
 </segment>
 </net>
 <net name="N$33" class="1">
 <segment>
 <pinref part="C9" gate="G$1" pin="-12V"/>
 <pinref part="D1" gate="G$1" pin="C"/>
-<wire x1="269.24" y1="-17.78" x2="266.7" y2="-17.78" width="0.1524" layer="91"/>
+<wire x1="279.4" y1="-22.86" x2="281.94" y2="-22.86" width="0.1524" layer="91"/>
 </segment>
 </net>
 </nets>