<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.6.2">
  <drawing>
    <settings><setting alwaysvectorfont="no"/><setting verticaltext="up"/></settings>
    <grid distance="0.1" unitdist="mm" unit="mm" style="lines" multiple="1" display="yes" altdistance="0.05" altunitdist="mm" altunit="mm"/>
    <layers>
      <layer number="1" name="Top" color="4" fill="1" visible="yes" active="yes"/>
      <layer number="16" name="Bottom" color="1" fill="1" visible="yes" active="yes"/>
      <layer number="17" name="Pads" color="2" fill="1" visible="yes" active="yes"/>
      <layer number="18" name="Vias" color="2" fill="1" visible="yes" active="yes"/>
      <layer number="21" name="tPlace" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="25" name="tNames" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="27" name="tValues" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="29" name="tStop" color="7" fill="3" visible="no" active="yes"/>
      <layer number="31" name="tCream" color="7" fill="4" visible="no" active="yes"/>
      <layer number="39" name="tKeepout" color="4" fill="11" visible="yes" active="yes"/>
      <layer number="41" name="tRestrict" color="4" fill="10" visible="yes" active="yes"/>
      <layer number="51" name="tDocu" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="94" name="Symbols" color="4" fill="1" visible="yes" active="yes"/>
      <layer number="95" name="Names" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="96" name="Values" color="7" fill="1" visible="yes" active="yes"/>
    </layers>
    <library>
      <packages>
        <package name="C55601453_QFN-80_8x8">
          <description>ESP32-S31NRV16 — Clean-Room IPC-7351B Quad (QFN-80(8x8))</description>
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          <smd name="2" x="-3.95" y="4.25" dx="0.8" dy="0.275" layer="1" roundness="25"/>
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          <smd name="81" x="0.0" y="0.0" dx="5.12" dy="5.12" layer="1" cream="no"/>
          <rectangle x1="-2.415" y1="-2.415" x2="-1.424" y2="-1.424" layer="31"/>
          <rectangle x1="-2.415" y1="-1.135" x2="-1.424" y2="-0.145" layer="31"/>
          <rectangle x1="-2.415" y1="0.145" x2="-1.424" y2="1.135" layer="31"/>
          <rectangle x1="-2.415" y1="1.424" x2="-1.424" y2="2.415" layer="31"/>
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          <rectangle x1="-1.135" y1="-1.135" x2="-0.145" y2="-0.145" layer="31"/>
          <rectangle x1="-1.135" y1="0.145" x2="-0.145" y2="1.135" layer="31"/>
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          <rectangle x1="0.145" y1="1.424" x2="1.135" y2="2.415" layer="31"/>
          <rectangle x1="1.424" y1="-2.415" x2="2.415" y2="-1.424" layer="31"/>
          <rectangle x1="1.424" y1="-1.135" x2="2.415" y2="-0.145" layer="31"/>
          <rectangle x1="1.424" y1="0.145" x2="2.415" y2="1.135" layer="31"/>
          <rectangle x1="1.424" y1="1.424" x2="2.415" y2="2.415" layer="31"/>
          <circle x="-4.8" y="4.75" radius="0.18" width="0" layer="21"/>
          <wire x1="-5.14" y1="-5.14" x2="5.14" y2="-5.14" width="0.05" layer="39"/>
          <wire x1="5.14" y1="-5.14" x2="5.14" y2="5.14" width="0.05" layer="39"/>
          <wire x1="5.14" y1="5.14" x2="-5.14" y2="5.14" width="0.05" layer="39"/>
          <wire x1="-5.14" y1="5.14" x2="-5.14" y2="-5.14" width="0.05" layer="39"/>
          <text x="-5.14" y="5.74" size="1.0" layer="25">&gt;NAME</text>
          <text x="-5.14" y="-6.74" size="1.0" layer="27">&gt;VALUE</text>
        </package>
      </packages>
      <symbols>
        <symbol name="ESP32-S31NRV16_SYM">
          <wire x1="-15.24" y1="-53.34" x2="15.24" y2="-53.34" width="0.254" layer="94"/>
          <wire x1="15.24" y1="-53.34" x2="15.24" y2="53.34" width="0.254" layer="94"/>
          <wire x1="15.24" y1="53.34" x2="-15.24" y2="53.34" width="0.254" layer="94"/>
          <wire x1="-15.24" y1="53.34" x2="-15.24" y2="-53.34" width="0.254" layer="94"/>
          <text x="-15.24" y="54.61" size="1.778" layer="95">&gt;NAME</text>
          <text x="-15.24" y="-55.88" size="1.778" layer="96">&gt;VALUE</text>
          <pin name="ANT" x="-20.32" y="50.8" length="middle" direction="io"/>
          <pin name="VDDA3" x="-20.32" y="48.26" length="middle" direction="io"/>
          <pin name="VDDA4" x="-20.32" y="45.72" length="middle" direction="io"/>
          <pin name="CHIP_PU" x="-20.32" y="43.18" length="middle" direction="io"/>
          <pin name="XTAL_32K_N/GPIO0" x="-20.32" y="40.64" length="middle" direction="io"/>
          <pin name="XTAL_32K_P/GPIO1" x="-20.32" y="38.1" length="middle" direction="io"/>
          <pin name="GPIO2" x="-20.32" y="35.56" length="middle" direction="io"/>
          <pin name="GPIO3" x="-20.32" y="33.02" length="middle" direction="io"/>
          <pin name="GPIO4" x="-20.32" y="30.48" length="middle" direction="io"/>
          <pin name="GPIO5" x="-20.32" y="27.94" length="middle" direction="io"/>
          <pin name="VDDPST_1" x="-20.32" y="25.4" length="middle" direction="io"/>
          <pin name="GPIO6" x="-20.32" y="22.86" length="middle" direction="io"/>
          <pin name="GPIO7" x="-20.32" y="20.32" length="middle" direction="io"/>
          <pin name="GPIO8" x="-20.32" y="17.78" length="middle" direction="io"/>
          <pin name="GPIO9" x="-20.32" y="15.24" length="middle" direction="io"/>
          <pin name="GPIO10" x="-20.32" y="12.7" length="middle" direction="io"/>
          <pin name="GPIO11" x="-20.32" y="10.16" length="middle" direction="io"/>
          <pin name="VREF_TOUCH" x="-20.32" y="7.62" length="middle" direction="io"/>
          <pin name="GPIO12" x="-20.32" y="5.08" length="middle" direction="io"/>
          <pin name="GPIO13" x="-20.32" y="2.54" length="middle" direction="io"/>
          <pin name="GPIO14" x="-20.32" y="0.0" length="middle" direction="io"/>
          <pin name="GPIO15" x="-20.32" y="-2.54" length="middle" direction="io"/>
          <pin name="GPIO16" x="-20.32" y="-5.08" length="middle" direction="io"/>
          <pin name="GPIO17" x="-20.32" y="-7.62" length="middle" direction="io"/>
          <pin name="GPIO18" x="-20.32" y="-10.16" length="middle" direction="io"/>
          <pin name="GPIO19" x="-20.32" y="-12.7" length="middle" direction="io"/>
          <pin name="SDIO_DATA0" x="-20.32" y="-15.24" length="middle" direction="io"/>
          <pin name="SDIO_DATA1" x="-20.32" y="-17.78" length="middle" direction="io"/>
          <pin name="SDIO_DATA2" x="-20.32" y="-20.32" length="middle" direction="io"/>
          <pin name="VDD_PSRAM_1P8_1" x="-20.32" y="-22.86" length="middle" direction="io"/>
          <pin name="SDIO_DATA3" x="-20.32" y="-25.4" length="middle" direction="io"/>
          <pin name="SDIO_CLK" x="-20.32" y="-27.94" length="middle" direction="io"/>
          <pin name="SDIO_CMD" x="-20.32" y="-30.48" length="middle" direction="io"/>
          <pin name="VDD_PSRAM_1P8_2" x="-20.32" y="-33.02" length="middle" direction="io"/>
          <pin name="VDD_LDO_1P8" x="-20.32" y="-35.56" length="middle" direction="io"/>
          <pin name="SPICS" x="-20.32" y="-38.1" length="middle" direction="io"/>
          <pin name="SPIQ" x="-20.32" y="-40.64" length="middle" direction="io"/>
          <pin name="SPIWP" x="-20.32" y="-43.18" length="middle" direction="io"/>
          <pin name="VDD_SPI" x="-20.32" y="-45.72" length="middle" direction="io"/>
          <pin name="SPIHD" x="-20.32" y="-48.26" length="middle" direction="io"/>
          <pin name="SPICLK" x="-20.32" y="-50.8" length="middle" direction="io"/>
          <pin name="SPID" x="20.32" y="-50.8" length="middle" direction="io" rot="R180"/>
          <pin name="VCCA/VDDPST_2" x="20.32" y="-48.26" length="middle" direction="io" rot="R180"/>
          <pin name="USB_DP" x="20.32" y="-45.72" length="middle" direction="io" rot="R180"/>
          <pin name="USB_DM" x="20.32" y="-43.18" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO33" x="20.32" y="-40.64" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO34" x="20.32" y="-38.1" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO35" x="20.32" y="-35.56" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO36" x="20.32" y="-33.02" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO37" x="20.32" y="-30.48" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO38" x="20.32" y="-27.94" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO39" x="20.32" y="-25.4" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO40" x="20.32" y="-22.86" length="middle" direction="io" rot="R180"/>
          <pin name="VDDPST_3" x="20.32" y="-20.32" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO42" x="20.32" y="-17.78" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO43" x="20.32" y="-15.24" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO44" x="20.32" y="-12.7" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO45" x="20.32" y="-10.16" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO46" x="20.32" y="-7.62" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO47" x="20.32" y="-5.08" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO48" x="20.32" y="-2.54" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO49" x="20.32" y="0.0" length="middle" direction="io" rot="R180"/>
          <pin name="VREF_ADC" x="20.32" y="2.54" length="middle" direction="io" rot="R180"/>
          <pin name="VDDPST_4" x="20.32" y="5.08" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO50" x="20.32" y="7.62" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO51" x="20.32" y="10.16" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO52" x="20.32" y="12.7" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO53" x="20.32" y="15.24" length="middle" direction="io" rot="R180"/>
          <pin name="MTDO" x="20.32" y="17.78" length="middle" direction="io" rot="R180"/>
          <pin name="MTCK" x="20.32" y="20.32" length="middle" direction="io" rot="R180"/>
          <pin name="MTDI" x="20.32" y="22.86" length="middle" direction="io" rot="R180"/>
          <pin name="MTMS" x="20.32" y="25.4" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO58" x="20.32" y="27.94" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO59" x="20.32" y="30.48" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO60" x="20.32" y="33.02" length="middle" direction="io" rot="R180"/>
          <pin name="GPIO61" x="20.32" y="35.56" length="middle" direction="io" rot="R180"/>
          <pin name="VDDA1" x="20.32" y="38.1" length="middle" direction="io" rot="R180"/>
          <pin name="XTAL_N" x="20.32" y="40.64" length="middle" direction="io" rot="R180"/>
          <pin name="XTAL_P" x="20.32" y="43.18" length="middle" direction="io" rot="R180"/>
          <pin name="VDDA2" x="20.32" y="45.72" length="middle" direction="io" rot="R180"/>
          <pin name="GND" x="20.32" y="48.26" length="middle" direction="io" rot="R180"/>
        </symbol>
      </symbols>
      <devicesets>
        <deviceset name="ESP32-S31NRV16" prefix="U">
          <gates>
            <gate name="G$1" symbol="ESP32-S31NRV16_SYM" x="0" y="0"/>
          </gates>
          <devices>
            <device name="" package="C55601453_QFN-80_8x8">
              <connects>
                <connect gate="G$1" pin="ANT" pad="1"/>
                <connect gate="G$1" pin="VDDA3" pad="2"/>
                <connect gate="G$1" pin="VDDA4" pad="3"/>
                <connect gate="G$1" pin="CHIP_PU" pad="4"/>
                <connect gate="G$1" pin="XTAL_32K_N/GPIO0" pad="5"/>
                <connect gate="G$1" pin="XTAL_32K_P/GPIO1" pad="6"/>
                <connect gate="G$1" pin="GPIO2" pad="7"/>
                <connect gate="G$1" pin="GPIO3" pad="8"/>
                <connect gate="G$1" pin="GPIO4" pad="9"/>
                <connect gate="G$1" pin="GPIO5" pad="10"/>
                <connect gate="G$1" pin="VDDPST_1" pad="11"/>
                <connect gate="G$1" pin="GPIO6" pad="12"/>
                <connect gate="G$1" pin="GPIO7" pad="13"/>
                <connect gate="G$1" pin="GPIO8" pad="14"/>
                <connect gate="G$1" pin="GPIO9" pad="15"/>
                <connect gate="G$1" pin="GPIO10" pad="16"/>
                <connect gate="G$1" pin="GPIO11" pad="17"/>
                <connect gate="G$1" pin="VREF_TOUCH" pad="18"/>
                <connect gate="G$1" pin="GPIO12" pad="19"/>
                <connect gate="G$1" pin="GPIO13" pad="20"/>
                <connect gate="G$1" pin="GPIO14" pad="21"/>
                <connect gate="G$1" pin="GPIO15" pad="22"/>
                <connect gate="G$1" pin="GPIO16" pad="23"/>
                <connect gate="G$1" pin="GPIO17" pad="24"/>
                <connect gate="G$1" pin="GPIO18" pad="25"/>
                <connect gate="G$1" pin="GPIO19" pad="26"/>
                <connect gate="G$1" pin="SDIO_DATA0" pad="27"/>
                <connect gate="G$1" pin="SDIO_DATA1" pad="28"/>
                <connect gate="G$1" pin="SDIO_DATA2" pad="29"/>
                <connect gate="G$1" pin="VDD_PSRAM_1P8_1" pad="30"/>
                <connect gate="G$1" pin="SDIO_DATA3" pad="31"/>
                <connect gate="G$1" pin="SDIO_CLK" pad="32"/>
                <connect gate="G$1" pin="SDIO_CMD" pad="33"/>
                <connect gate="G$1" pin="VDD_PSRAM_1P8_2" pad="34"/>
                <connect gate="G$1" pin="VDD_LDO_1P8" pad="35"/>
                <connect gate="G$1" pin="SPICS" pad="36"/>
                <connect gate="G$1" pin="SPIQ" pad="37"/>
                <connect gate="G$1" pin="SPIWP" pad="38"/>
                <connect gate="G$1" pin="VDD_SPI" pad="39"/>
                <connect gate="G$1" pin="SPIHD" pad="40"/>
                <connect gate="G$1" pin="SPICLK" pad="41"/>
                <connect gate="G$1" pin="SPID" pad="42"/>
                <connect gate="G$1" pin="VCCA/VDDPST_2" pad="43"/>
                <connect gate="G$1" pin="USB_DP" pad="44"/>
                <connect gate="G$1" pin="USB_DM" pad="45"/>
                <connect gate="G$1" pin="GPIO33" pad="46"/>
                <connect gate="G$1" pin="GPIO34" pad="47"/>
                <connect gate="G$1" pin="GPIO35" pad="48"/>
                <connect gate="G$1" pin="GPIO36" pad="49"/>
                <connect gate="G$1" pin="GPIO37" pad="50"/>
                <connect gate="G$1" pin="GPIO38" pad="51"/>
                <connect gate="G$1" pin="GPIO39" pad="52"/>
                <connect gate="G$1" pin="GPIO40" pad="53"/>
                <connect gate="G$1" pin="VDDPST_3" pad="54"/>
                <connect gate="G$1" pin="GPIO42" pad="55"/>
                <connect gate="G$1" pin="GPIO43" pad="56"/>
                <connect gate="G$1" pin="GPIO44" pad="57"/>
                <connect gate="G$1" pin="GPIO45" pad="58"/>
                <connect gate="G$1" pin="GPIO46" pad="59"/>
                <connect gate="G$1" pin="GPIO47" pad="60"/>
                <connect gate="G$1" pin="GPIO48" pad="61"/>
                <connect gate="G$1" pin="GPIO49" pad="62"/>
                <connect gate="G$1" pin="VREF_ADC" pad="63"/>
                <connect gate="G$1" pin="VDDPST_4" pad="64"/>
                <connect gate="G$1" pin="GPIO50" pad="65"/>
                <connect gate="G$1" pin="GPIO51" pad="66"/>
                <connect gate="G$1" pin="GPIO52" pad="67"/>
                <connect gate="G$1" pin="GPIO53" pad="68"/>
                <connect gate="G$1" pin="MTDO" pad="69"/>
                <connect gate="G$1" pin="MTCK" pad="70"/>
                <connect gate="G$1" pin="MTDI" pad="71"/>
                <connect gate="G$1" pin="MTMS" pad="72"/>
                <connect gate="G$1" pin="GPIO58" pad="73"/>
                <connect gate="G$1" pin="GPIO59" pad="74"/>
                <connect gate="G$1" pin="GPIO60" pad="75"/>
                <connect gate="G$1" pin="GPIO61" pad="76"/>
                <connect gate="G$1" pin="VDDA1" pad="77"/>
                <connect gate="G$1" pin="XTAL_N" pad="78"/>
                <connect gate="G$1" pin="XTAL_P" pad="79"/>
                <connect gate="G$1" pin="VDDA2" pad="80"/>
                <connect gate="G$1" pin="GND" pad="81"/>
              </connects>
            </device>
          </devices>
        </deviceset>
      </devicesets>
    </library>
  </drawing>
</eagle>
