diff --git a/2020-06_ucbus-module/2020-06_ucbus-module.brd b/2020-06_ucbus-module/2020-06_ucbus-module.brd
index 69d339e5780a7044f449974a6654a52da2aa7e7a..a3ea98222973c7032f9d924f542ed485953fd57f 100644
--- a/2020-06_ucbus-module/2020-06_ucbus-module.brd
+++ b/2020-06_ucbus-module/2020-06_ucbus-module.brd
@@ -6,7 +6,7 @@
 <setting alwaysvectorfont="yes"/>
 <setting verticaltext="up"/>
 </settings>
-<grid distance="0.05" unitdist="mm" unit="mm" style="lines" multiple="1" display="yes" altdistance="5" altunitdist="mil" altunit="mil"/>
+<grid distance="1" unitdist="mm" unit="mm" style="lines" multiple="1" display="yes" altdistance="5" altunitdist="mil" altunit="mil"/>
 <layers>
 <layer number="1" name="Top" color="4" fill="1" visible="yes" active="yes"/>
 <layer number="2" name="Route2" color="16" fill="1" visible="yes" active="yes"/>
@@ -54,7 +54,7 @@
 <layer number="44" name="Drills" color="7" fill="1" visible="no" active="yes"/>
 <layer number="45" name="Holes" color="7" fill="1" visible="yes" active="yes"/>
 <layer number="46" name="Milling" color="3" fill="1" visible="yes" active="yes"/>
-<layer number="47" name="Measures" color="7" fill="1" visible="no" active="yes"/>
+<layer number="47" name="Measures" color="7" fill="1" visible="yes" active="yes"/>
 <layer number="48" name="Document" color="7" fill="1" visible="no" active="yes"/>
 <layer number="49" name="Reference" color="7" fill="1" visible="no" active="yes"/>
 <layer number="50" name="dxf" color="7" fill="1" visible="no" active="no"/>
@@ -170,8 +170,8 @@
 <wire x1="27.355" y1="20.37" x2="28.625" y2="20.37" width="0" layer="20"/>
 <wire x1="15.925" y1="-1.855" x2="15.925" y2="22.91" width="0" layer="47"/>
 <wire x1="3.235" y1="-1.97" x2="3.235" y2="22.795" width="0" layer="47"/>
-<dimension x1="-1.855" y1="0.05" x2="-1.855" y2="20.37" x3="-3.125" y3="10.21" textsize="1.778" layer="47"/>
-<dimension x1="0.05" y1="-1.855" x2="28.625" y2="-1.855" x3="14.3375" y3="-4.395" textsize="1.778" layer="47"/>
+<dimension x1="-1.855" y1="0.05" x2="-1.855" y2="20.37" x3="-3.125" y3="10.21" textsize="1.016" layer="47"/>
+<dimension x1="0.05" y1="-1.855" x2="28.625" y2="-1.855" x3="14.3375" y3="-4.395" textsize="1.016" layer="47"/>
 <wire x1="19.227" y1="19.989" x2="18.846" y2="20.37" width="0" layer="20"/>
 <wire x1="19.227" y1="19.989" x2="26.974" y2="19.989" width="0" layer="20"/>
 <wire x1="26.974" y1="19.989" x2="27.355" y2="20.37" width="0" layer="20"/>
@@ -181,8 +181,6 @@
 <text x="16.55" y="15.3" size="1.016" layer="21" align="bottom-center">p</text>
 <text x="24.651" y="9.586" size="0.6096" layer="21" rot="R35" align="center">smash!</text>
 <text x="13.706" y="8.676" size="0.8128" layer="21">mtm.cba.mit.edu</text>
-<dimension x1="-3.125" y1="-4.395" x2="31.8" y2="-4.395" x3="14.3375" y3="-7.697" textsize="0.8128" layer="47"/>
-<dimension x1="-3.76" y1="-3.379" x2="-3.76" y2="23.799" x3="-6.554" y3="10.21" textsize="0.8128" layer="47"/>
 <text x="6.527" y="16.56" size="0.6096" layer="25" ratio="10" align="center">J8</text>
 <text x="15.544" y="3.098" size="0.6096" layer="25" ratio="10" rot="R90" align="center">Y2</text>
 <text x="24.561" y="9.448" size="0.6096" layer="25" ratio="10" align="center">S1</text>
diff --git a/2020-06_ucbus-module/eagle.epf b/2020-06_ucbus-module/eagle.epf
index 6a44856599517cdf097485702dda91f6ec3ad817..73bca1b4ebd137bd46e0f1dd76d528301a5b13a6 100644
--- a/2020-06_ucbus-module/eagle.epf
+++ b/2020-06_ucbus-module/eagle.epf
@@ -15,17 +15,17 @@ UsedLibrary="D:/Dropbox/cba/circuits/eagle/parts/supply1.lbr"
 UsedLibrary="D:/Dropbox/cba/circuits/eagle/parts/SparkFun-Eagle-Libraries/SparkFun-Connectors.lbr"
 
 [Win_1]
-Type="Schematic Editor"
-Number=1
-File="2020-06_ucbus-module.sch"
-View="-5.62617 -110.828 508.615 213.574"
-WireWidths=" 0.0762 0.1016 0.127 0.15 0.2 0.2032 0.254 0.3048 0.4064 0.508 0.6096 0.8128 1.016 1.27 2.54 0.1524"
+Type="Board Editor"
+Number=2
+File="2020-06_ucbus-module.brd"
+View="-8.43448 -12.3479 45.5752 29.555"
+WireWidths=" 0.127 0.15 0.2 0.8128 1.016 1.27 2.54 0.3048 0.4064 0.1016 0 0.254 0.6096 0.508 0.2032 0.1524"
 PadDiameters=" 0.254 0.3048 0.4064 0.6096 0.8128 1.016 1.27 1.4224 1.6764 1.778 1.9304 2.1844 2.54 3.81 6.4516 0"
 PadDrills=" 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.65 0.7 0.75 0.8 0.85 0.9 1 0.6"
 ViaDiameters=" 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 0.95 1 1.05 1.1 1.15 1.2 1.3 0"
-ViaDrills=" 0.2 0.25 0.3 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.35"
+ViaDrills=" 0.2 0.25 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.35 0.4 0.3"
 HoleDrills=" 0.2 0.25 0.3 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.35"
-TextSizes=" 0.254 0.3048 0.4064 0.6096 0.8128 1.016 1.27 1.4224 1.6764 1.9304 2.1844 2.54 3.81 5.08 6.4516 1.778"
+TextSizes=" 0.254 0.3048 0.4064 1.27 1.4224 1.6764 1.9304 2.1844 2.54 3.81 5.08 6.4516 1.778 0.8128 0.6096 1.016"
 PolygonSpacings=" 0.254 0.3048 0.4064 0.6096 0.8128 1.016 1.4224 1.6764 1.778 1.9304 2.1844 2.54 3.81 5.08 6.4516 1.27"
 PolygonIsolates=" 0.254 0.3048 0.4064 0.6096 0.8128 1.016 1.27 1.4224 1.6764 1.778 1.9304 2.1844 2.54 3.81 6.4516 0"
 MiterRadiuss=" 0.254 0.3175 0.635 1.27 2.54 1 2 2.5 5 7.5 10 0"
@@ -34,17 +34,17 @@ DimensionExtWidths=" 0.127 0.254 0.1 0.13 0.26 0"
 DimensionExtLengths=" 1.27 2.54 1 2 3 0"
 DimensionExtOffsets=" 1.27 2.54 1 2 3 0"
 SmdSizes=" 0.3048 0.1524 0.4064 0.2032 0.6096 0.3048 0.8128 0.4064 1.016 0.508 1.27 0.6604 1.4224 0.7112 1.6764 0.8128 1.778 0.9144 1.9304 0.9652 2.1844 1.0668 2.54 1.27 3.81 1.9304 5.08 2.54 6.4516 3.2512 1.27 0.635"
-WireBend=4
-WireBendSet=31
+WireBend=3
+WireBendSet=0
 WireCap=1
 MiterStyle=1
 PadShape=0
 ViaShape=1
 PolygonPour=0
-PolygonRank=0
+PolygonRank=1
 PolygonThermals=1
 PolygonOrphans=0
-TextRatio=8
+TextRatio=10
 DimensionUnit=1
 DimensionPrecision=2
 DimensionShowUnit=0
@@ -56,22 +56,20 @@ SwapLevel=0
 ArcDirection=0
 AddLevel=2
 PadsSameType=0
-Layer=97
-Views=" 1: -5.62617 -110.828 508.615 213.574"
-Sheet="1"
+Layer=1
 
 [Win_2]
-Type="Board Editor"
-Number=2
-File="2020-06_ucbus-module.brd"
-View="-0.776716 -2.68683 30.4789 21.5625"
-WireWidths=" 0.127 0.15 0.2 0.8128 1.016 1.27 2.54 0.3048 0.4064 0.1016 0 0.254 0.6096 0.508 0.2032 0.1524"
+Type="Schematic Editor"
+Number=1
+File="2020-06_ucbus-module.sch"
+View="-5.62617 -110.828 508.615 213.574"
+WireWidths=" 0.0762 0.1016 0.127 0.15 0.2 0.2032 0.254 0.3048 0.4064 0.508 0.6096 0.8128 1.016 1.27 2.54 0.1524"
 PadDiameters=" 0.254 0.3048 0.4064 0.6096 0.8128 1.016 1.27 1.4224 1.6764 1.778 1.9304 2.1844 2.54 3.81 6.4516 0"
 PadDrills=" 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.65 0.7 0.75 0.8 0.85 0.9 1 0.6"
 ViaDiameters=" 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 0.95 1 1.05 1.1 1.15 1.2 1.3 0"
-ViaDrills=" 0.2 0.25 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.35 0.4 0.3"
+ViaDrills=" 0.2 0.25 0.3 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.35"
 HoleDrills=" 0.2 0.25 0.3 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 1 0.35"
-TextSizes=" 0.254 0.3048 0.4064 1.27 1.4224 1.6764 1.9304 2.1844 2.54 3.81 5.08 6.4516 1.778 1.016 0.8128 0.6096"
+TextSizes=" 0.254 0.3048 0.4064 0.6096 0.8128 1.016 1.27 1.4224 1.6764 1.9304 2.1844 2.54 3.81 5.08 6.4516 1.778"
 PolygonSpacings=" 0.254 0.3048 0.4064 0.6096 0.8128 1.016 1.4224 1.6764 1.778 1.9304 2.1844 2.54 3.81 5.08 6.4516 1.27"
 PolygonIsolates=" 0.254 0.3048 0.4064 0.6096 0.8128 1.016 1.27 1.4224 1.6764 1.778 1.9304 2.1844 2.54 3.81 6.4516 0"
 MiterRadiuss=" 0.254 0.3175 0.635 1.27 2.54 1 2 2.5 5 7.5 10 0"
@@ -80,17 +78,17 @@ DimensionExtWidths=" 0.127 0.254 0.1 0.13 0.26 0"
 DimensionExtLengths=" 1.27 2.54 1 2 3 0"
 DimensionExtOffsets=" 1.27 2.54 1 2 3 0"
 SmdSizes=" 0.3048 0.1524 0.4064 0.2032 0.6096 0.3048 0.8128 0.4064 1.016 0.508 1.27 0.6604 1.4224 0.7112 1.6764 0.8128 1.778 0.9144 1.9304 0.9652 2.1844 1.0668 2.54 1.27 3.81 1.9304 5.08 2.54 6.4516 3.2512 1.27 0.635"
-WireBend=3
-WireBendSet=0
+WireBend=4
+WireBendSet=31
 WireCap=1
 MiterStyle=1
 PadShape=0
 ViaShape=1
 PolygonPour=0
-PolygonRank=1
+PolygonRank=0
 PolygonThermals=1
 PolygonOrphans=0
-TextRatio=10
+TextRatio=8
 DimensionUnit=1
 DimensionPrecision=2
 DimensionShowUnit=0
@@ -102,7 +100,9 @@ SwapLevel=0
 ArcDirection=0
 AddLevel=2
 PadsSameType=0
-Layer=1
+Layer=97
+Views=" 1: -5.62617 -110.828 508.615 213.574"
+Sheet="1"
 
 [Win_3]
 Type="Control Panel"
diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 0000000000000000000000000000000000000000..623a00355519ed7fa83c52f49cf9629acd8bbf7e
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,4 @@
+This work may be reproduced, modified, distributed, performed, and
+displayed for any purpose, but must acknowledge the MTM project.  
+Copyright is retained and must be preserved. The work is provided as is;
+no warranty is provided, and users accept all liability.
\ No newline at end of file