diff --git a/hardware_design/pcb/Voicecard-SMRMU-v02.brd b/hardware_design/pcb/Voicecard-SMRMU-v03.brd
similarity index 99%
rename from hardware_design/pcb/Voicecard-SMRMU-v02.brd
rename to hardware_design/pcb/Voicecard-SMRMU-v03.brd
index f3f76d1..71c32dd 100644
--- a/hardware_design/pcb/Voicecard-SMRMU-v02.brd
+++ b/hardware_design/pcb/Voicecard-SMRMU-v03.brd
@@ -35,10 +35,10 @@
 <layer number="24" name="bOrigins" color="15" fill="1" visible="yes" active="yes"/>
 <layer number="25" name="tNames" color="7" fill="1" visible="yes" active="yes"/>
 <layer number="26" name="bNames" color="7" fill="1" visible="yes" active="yes"/>
-<layer number="27" name="tValues" color="7" fill="1" visible="no" active="yes"/>
-<layer number="28" name="bValues" color="7" fill="1" visible="no" active="yes"/>
-<layer number="29" name="tStop" color="7" fill="3" visible="no" active="yes"/>
-<layer number="30" name="bStop" color="7" fill="6" visible="no" active="yes"/>
+<layer number="27" name="tValues" color="7" fill="1" visible="yes" active="yes"/>
+<layer number="28" name="bValues" color="7" fill="1" visible="yes" active="yes"/>
+<layer number="29" name="tStop" color="7" fill="3" visible="yes" active="yes"/>
+<layer number="30" name="bStop" color="7" fill="6" visible="yes" active="yes"/>
 <layer number="31" name="tCream" color="7" fill="4" visible="no" active="yes"/>
 <layer number="32" name="bCream" color="7" fill="5" visible="no" active="yes"/>
 <layer number="33" name="tFinish" color="6" fill="3" visible="no" active="yes"/>
@@ -51,7 +51,7 @@
 <layer number="40" name="bKeepout" color="1" fill="11" visible="yes" active="yes"/>
 <layer number="41" name="tRestrict" color="4" fill="10" visible="yes" active="yes"/>
 <layer number="42" name="bRestrict" color="1" fill="10" visible="yes" active="yes"/>
-<layer number="43" name="vRestrict" color="2" fill="10" visible="no" active="yes"/>
+<layer number="43" name="vRestrict" color="2" fill="10" visible="yes" active="yes"/>
 <layer number="44" name="Drills" color="7" fill="1" visible="no" active="yes"/>
 <layer number="45" name="Holes" color="7" fill="1" visible="no" active="yes"/>
 <layer number="46" name="Milling" color="3" fill="1" visible="no" active="yes"/>
@@ -164,10 +164,10 @@
 </layers>
 <board>
 <plain>
-<wire x1="93.98" y1="6.985" x2="93.98" y2="0.635" width="0.254" layer="21"/>
-<wire x1="93.98" y1="0.635" x2="102.87" y2="0.635" width="0.254" layer="21"/>
-<wire x1="102.87" y1="0.635" x2="102.87" y2="6.985" width="0.254" layer="21"/>
-<wire x1="102.87" y1="6.985" x2="93.98" y2="6.985" width="0.254" layer="21"/>
+<wire x1="92.71" y1="6.985" x2="92.71" y2="0.635" width="0.254" layer="21"/>
+<wire x1="92.71" y1="0.635" x2="101.6" y2="0.635" width="0.254" layer="21"/>
+<wire x1="101.6" y1="0.635" x2="101.6" y2="6.985" width="0.254" layer="21"/>
+<wire x1="101.6" y1="6.985" x2="92.71" y2="6.985" width="0.254" layer="21"/>
 <wire x1="108.585" y1="34.925" x2="108.585" y2="26.035" width="0.127" layer="25"/>
 <wire x1="108.585" y1="26.035" x2="112.395" y2="26.035" width="0.127" layer="25"/>
 <wire x1="112.395" y1="26.035" x2="112.395" y2="34.925" width="0.127" layer="25"/>
@@ -194,7 +194,7 @@
 <text x="5.08" y="11.43" size="1.27" layer="25" ratio="15" rot="SR0">NOTE</text>
 <text x="10.16" y="26.035" size="1.524" layer="25" ratio="15" rot="R270">V/Oct</text>
 <text x="8.255" y="3.81" size="1.7526" layer="1" ratio="15">SMR-4MU voicecard</text>
-<text x="35.56" y="3.81" size="1.27" layer="29" ratio="15">v0.2</text>
+<text x="35.56" y="3.81" size="1.27" layer="29" ratio="15">v0.3</text>
 <text x="25.4" y="1.27" size="1.2446" layer="29" ratio="15">cc-by-sa</text>
 <text x="8.255" y="1.27" size="0.8636" layer="29" ratio="11">Émilie Gillet, jhbruhn</text>
 <text x="8.255" y="3.81" size="1.7526" layer="29" ratio="15">SMR-4MU voicecard</text>
@@ -61196,11 +61196,11 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <element name="U$2" library="holes" library_urn="urn:adsk.eagle:library:237" package="3,0" value="" x="115.57" y="55.88" smashed="yes"/>
 <element name="U$5" library="holes" library_urn="urn:adsk.eagle:library:237" package="3,3" value="" x="115.57" y="1.905" smashed="yes"/>
 <element name="U$4" library="holes" library_urn="urn:adsk.eagle:library:237" package="3,3" value="" x="3.175" y="1.905" smashed="yes"/>
-<element name="R61" library="jhbruhn-cdr" package="R0603" package3d_urn="urn:adsk.eagle:package:23555/42" value="10k" x="92.075" y="3.81" smashed="yes" rot="R270">
-<attribute name="NAME" x="92.71" y="5.715" size="0.8128" layer="25" font="vector" rot="R90"/>
-<attribute name="POPULARITY" value="70" x="92.075" y="3.81" size="1.778" layer="27" rot="R270" display="off"/>
-<attribute name="SPICEPREFIX" value="R" x="92.075" y="3.81" size="1.778" layer="27" rot="R270" display="off"/>
-<attribute name="VALUE" x="90.678" y="4.445" size="0.8128" layer="27" font="vector" rot="R270"/>
+<element name="R61" library="jhbruhn-cdr" package="R0603" package3d_urn="urn:adsk.eagle:package:23555/42" value="10k" x="90.805" y="3.81" smashed="yes" rot="R270">
+<attribute name="NAME" x="91.44" y="5.715" size="0.8128" layer="25" font="vector" rot="R90"/>
+<attribute name="POPULARITY" value="70" x="90.805" y="3.81" size="1.778" layer="27" rot="R270" display="off"/>
+<attribute name="SPICEPREFIX" value="R" x="90.805" y="3.81" size="1.778" layer="27" rot="R270" display="off"/>
+<attribute name="VALUE" x="89.408" y="4.445" size="0.8128" layer="27" font="vector" rot="R270"/>
 </element>
 <element name="Q5" library="crystal" library_urn="urn:adsk.eagle:library:204" package="HC49UP" package3d_urn="urn:adsk.eagle:package:12078/1" value="20MHz" x="83.82" y="6.985" smashed="yes">
 <attribute name="MF" value="" x="83.82" y="6.985" size="1.778" layer="27" display="off"/>
@@ -61223,9 +61223,9 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <attribute name="SPICEPREFIX" value="C" x="79.883" y="3.175" size="1.778" layer="27" rot="R180" display="off"/>
 <attribute name="VALUE" x="80.645" y="4.699" size="0.8128" layer="27" font="vector" rot="R180"/>
 </element>
-<element name="ISP" library="SparkFun" package="2X3" value="AVR_ISP" x="100.965" y="5.08" smashed="yes" rot="R180">
-<attribute name="NAME" x="102.87" y="8.509" size="1.27" layer="25" ratio="10" rot="R180"/>
-<attribute name="VALUE" x="102.235" y="8.255" size="1.27" layer="27" rot="R180"/>
+<element name="ISP" library="SparkFun" package="2X3" value="AVR_ISP" x="99.695" y="5.08" smashed="yes" rot="R180">
+<attribute name="NAME" x="101.6" y="8.509" size="1.27" layer="25" ratio="10" rot="R180"/>
+<attribute name="VALUE" x="102.235" y="8.255" size="1.27" layer="27" rot="R270"/>
 </element>
 <element name="R51" library="jhbruhn-cdr" package="R0603" package3d_urn="urn:adsk.eagle:package:23555/42" value="470" x="12.065" y="12.7" smashed="yes">
 <attribute name="NAME" x="13.97" y="12.065" size="0.8128" layer="25" font="vector"/>
@@ -62109,8 +62109,8 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <via x="102.235" y="20.955" extent="1-16" drill="0.35"/>
 <wire x1="102.235" y1="20.955" x2="96.935" y2="20.955" width="0.254" layer="1"/>
 <wire x1="96.935" y1="20.955" x2="96.84" y2="21.05" width="0.254" layer="1"/>
-<wire x1="98.425" y1="2.54" x2="99.695" y2="3.81" width="0.254" layer="1"/>
-<wire x1="99.695" y1="3.81" x2="101.6" y2="3.81" width="0.254" layer="1"/>
+<wire x1="97.155" y1="2.54" x2="98.425" y2="3.81" width="0.254" layer="1"/>
+<wire x1="98.425" y1="3.81" x2="101.6" y2="3.81" width="0.254" layer="1"/>
 <wire x1="101.6" y1="3.81" x2="102.87" y2="5.08" width="0.254" layer="1"/>
 <wire x1="102.87" y1="8.255" x2="102.87" y2="5.08" width="0.254" layer="1"/>
 <wire x1="102.87" y1="8.255" x2="104.14" y2="9.525" width="0.254" layer="1"/>
@@ -62132,8 +62132,8 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <wire x1="100.33" y1="21.59" x2="99.695" y2="21.59" width="0.254" layer="1"/>
 <wire x1="99.435" y1="21.85" x2="96.84" y2="21.85" width="0.254" layer="1"/>
 <wire x1="99.695" y1="21.59" x2="99.435" y2="21.85" width="0.254" layer="1"/>
-<wire x1="100.965" y1="5.08" x2="101.6" y2="5.715" width="0.254" layer="1"/>
-<wire x1="101.6" y1="8.89" x2="101.6" y2="5.715" width="0.254" layer="1"/>
+<wire x1="99.695" y1="5.08" x2="101.6" y2="6.985" width="0.254" layer="1"/>
+<wire x1="101.6" y1="8.89" x2="101.6" y2="6.985" width="0.254" layer="1"/>
 <wire x1="102.87" y1="9.525" x2="102.235" y2="9.525" width="0.254" layer="1"/>
 <wire x1="102.235" y1="9.525" x2="101.6" y2="8.89" width="0.254" layer="1"/>
 <via x="102.87" y="9.525" extent="1-16" drill="0.35"/>
@@ -62156,8 +62156,7 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <wire x1="109.64" y1="10.668" x2="107.188" y2="10.668" width="0.254" layer="1"/>
 <wire x1="107.188" y1="10.668" x2="106.68" y2="10.16" width="0.254" layer="1"/>
 <wire x1="106.68" y1="10.16" x2="102.235" y2="10.16" width="0.254" layer="1"/>
-<wire x1="102.235" y1="10.16" x2="98.425" y2="6.35" width="0.254" layer="1"/>
-<wire x1="98.425" y1="6.35" x2="98.425" y2="5.08" width="0.254" layer="1"/>
+<wire x1="102.235" y1="10.16" x2="97.155" y2="5.08" width="0.254" layer="1"/>
 </signal>
 <signal name="OSC">
 <contactref element="C24" pad="2"/>
@@ -62382,12 +62381,12 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <wire x1="81.975" y1="14.986" x2="82.229" y2="15.24" width="0.4064" layer="1"/>
 <wire x1="87.21" y1="15.24" x2="90.385" y2="12.065" width="0.4064" layer="1"/>
 <wire x1="82.229" y1="15.24" x2="87.21" y2="15.24" width="0.4064" layer="1"/>
-<wire x1="92.075" y1="2.96" x2="94.4" y2="0.635" width="0.4064" layer="1"/>
-<wire x1="99.06" y1="0.635" x2="100.965" y2="2.54" width="0.4064" layer="1"/>
-<wire x1="94.4" y1="0.635" x2="99.06" y2="0.635" width="0.4064" layer="1"/>
+<wire x1="90.805" y1="2.96" x2="93.13" y2="0.635" width="0.4064" layer="1"/>
+<wire x1="97.79" y1="0.635" x2="99.695" y2="2.54" width="0.4064" layer="1"/>
+<wire x1="93.13" y1="0.635" x2="97.79" y2="0.635" width="0.4064" layer="1"/>
 <wire x1="107.315" y1="7.43" x2="107.0925" y2="7.2075" width="0.4064" layer="1"/>
 <wire x1="107.0925" y1="7.2075" x2="102.425" y2="2.54" width="0.4064" layer="1"/>
-<wire x1="102.425" y1="2.54" x2="100.965" y2="2.54" width="0.4064" layer="1"/>
+<wire x1="102.425" y1="2.54" x2="99.695" y2="2.54" width="0.4064" layer="1"/>
 <wire x1="115.57" y1="26.67" x2="114.3" y2="25.4" width="0.4064" layer="1"/>
 <wire x1="114.3" y1="25.4" x2="94.195" y2="25.4" width="0.4064" layer="1"/>
 <wire x1="94.195" y1="25.4" x2="94.71" y2="24.885" width="0.4064" layer="1"/>
@@ -63275,9 +63274,10 @@ Source: http://www.osram.convergy.de/ ... Lb_q993.pdf</description>
 <contactref element="U1" pad="29"/>
 <contactref element="R61" pad="1"/>
 <contactref element="ISP" pad="5"/>
-<wire x1="92.075" y1="4.66" x2="92.495" y2="5.08" width="0.254" layer="1"/>
-<wire x1="95.885" y1="5.08" x2="92.495" y2="5.08" width="0.254" layer="1"/>
-<wire x1="92.075" y1="4.66" x2="92.075" y2="8.255" width="0.254" layer="1"/>
+<wire x1="90.805" y1="4.66" x2="91.225" y2="5.08" width="0.254" layer="1"/>
+<wire x1="94.615" y1="5.08" x2="91.225" y2="5.08" width="0.254" layer="1"/>
+<wire x1="92.075" y1="8.255" x2="92.075" y2="5.93" width="0.254" layer="1"/>
+<wire x1="92.075" y1="5.93" x2="90.805" y2="4.66" width="0.254" layer="1"/>
 <via x="92.075" y="8.255" extent="1-16" drill="0.35"/>
 <wire x1="92.075" y1="8.255" x2="92.075" y2="17.78" width="0.254" layer="16"/>
 <wire x1="92.075" y1="17.78" x2="91.44" y2="18.415" width="0.254" layer="16"/>
diff --git a/hardware_design/pcb/Voicecard-SMRMU-v02.sch b/hardware_design/pcb/Voicecard-SMRMU-v03.sch
similarity index 100%
rename from hardware_design/pcb/Voicecard-SMRMU-v02.sch
rename to hardware_design/pcb/Voicecard-SMRMU-v03.sch
diff --git a/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_2020-10-14.zip b/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_2020-10-14.zip
deleted file mode 100644
index 4f21d90..0000000
Binary files a/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_2020-10-14.zip and /dev/null differ
diff --git a/hardware_design/pcb/assembly/Voicecard-SMRMU-v03_2021-04-09.zip b/hardware_design/pcb/assembly/Voicecard-SMRMU-v03_2021-04-09.zip
new file mode 100644
index 0000000..f6d382a
Binary files /dev/null and b/hardware_design/pcb/assembly/Voicecard-SMRMU-v03_2021-04-09.zip differ
diff --git a/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_top_bom.csv b/hardware_design/pcb/assembly/Voicecard-SMRMU-v03_top_bom.csv
similarity index 100%
rename from hardware_design/pcb/assembly/Voicecard-SMRMU-v02_top_bom.csv
rename to hardware_design/pcb/assembly/Voicecard-SMRMU-v03_top_bom.csv
diff --git a/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_top_cpl.csv b/hardware_design/pcb/assembly/Voicecard-SMRMU-v03_top_cpl.csv
similarity index 99%
rename from hardware_design/pcb/assembly/Voicecard-SMRMU-v02_top_cpl.csv
rename to hardware_design/pcb/assembly/Voicecard-SMRMU-v03_top_cpl.csv
index bd33bb8..e0cd4cc 100644
--- a/hardware_design/pcb/assembly/Voicecard-SMRMU-v02_top_cpl.csv
+++ b/hardware_design/pcb/assembly/Voicecard-SMRMU-v03_top_cpl.csv
@@ -111,7 +111,7 @@ R57,58.42, 8.26,Top,90.0
 R58,62.48, 8.26,Top,90.0
 R59,64.52, 8.26,Top,90.0
 R60,67.69, 8.26,Top,90.0
-R61,92.08, 3.81,Top,270.0
+R61,90.81, 3.81,Top,270.0
 R62,57.79, 3.18,Top,0.0
 R63,67.31, 3.18,Top,0.0
 SJ1, 4.45,48.26,Top,90.0