<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.0.0">
<drawing>
<schematic>
<libraries>
<library name="ruark2">
<packages>
<package name="0603">
</package>
<package name="0805">
</package>
<package name="1206_REV">
</package>
<package name="01010002Z">
</package>
<package name="SBM-20">
</package>
<package name="MICRO_USB">
</package>
<package name="6-SMT-HEADER">
</package>
<package name="SOT23-3">
</package>
<package name="1210">
</package>
<package name="SDR1005">
</package>
<package name="SOD123(AK)">
</package>
<package name="SOD123">
</package>
<package name="1206">
</package>
<package name="3361P">
</package>
<package name="SOIC8">
</package>
<package name="SOT223">
</package>
</packages>
<symbols>
<symbol name="R">
<pin name="2" direction="pas"/>
<pin name="1" direction="pas"/>
</symbol>
<symbol name="C">
<pin name="1" direction="pas"/>
<pin name="2" direction="pas"/>
</symbol>
<symbol name="LED">
<pin name="K"/>
<pin name="A"/>
</symbol>
<symbol name="TEST2">
<pin name="P$1"/>
</symbol>
<symbol name="BOM">
</symbol>
<symbol name="MICROUSB">
<pin name="CASE"/>
<pin name="5GND"/>
<pin name="4ID"/>
<pin name="3DP"/>
<pin name="2DM"/>
<pin name="1VCC"/>
</symbol>
<symbol name="2X3">
<pin name="5"/>
<pin name="3"/>
<pin name="1"/>
<pin name="6"/>
<pin name="4"/>
<pin name="2"/>
</symbol>
<symbol name="NPN">
<pin name="B" direction="pas"/>
<pin name="E" direction="pas"/>
<pin name="C" direction="pas"/>
</symbol>
<symbol name="INDUCTOR">
<pin name="P$1"/>
<pin name="P$2"/>
</symbol>
<symbol name="DIODE2">
<pin name="K"/>
<pin name="A"/>
</symbol>
<symbol name="POT">
<pin name="2"/>
<pin name="1"/>
<pin name="3"/>
</symbol>
<symbol name="555_2">
<pin name="OUT" direction="out"/>
<pin name="V+" direction="pwr"/>
<pin name="GND" direction="pwr"/>
<pin name="DISCH" direction="in"/>
<pin name="RESET" direction="in" function="dot"/>
<pin name="CV" direction="pas"/>
<pin name="TRIG" function="dot"/>
<pin name="TRSH" direction="in"/>
</symbol>
<symbol name="AP2114">
<pin name="IN"/>
<pin name="GND"/>
<pin name="OUT"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="0603_RESISTOR" prefix="R">
<description>0603 Resistor -- WARNING: NO DEFINED PART NUMBER OR VALUE</description>
<gates>
<gate name="G$1" symbol="R"/>
</gates>
<devices>
<device name="" package="0603">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="VALUE" value="sel"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="0805_CAPACITOR" prefix="C">
<description>NO DEFINED PN</description>
<gates>
<gate name="G$1" symbol="C"/>
</gates>
<devices>
<device name="" package="0805">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="156120RS75300" prefix="D">
<description>Red 624nm LED Indication - Discrete 2V 1206 Reverse Mount (3216 Metric)</description>
<gates>
<gate name="G$1" symbol="LED"/>
</gates>
<devices>
<device name="" package="1206_REV">
<connects>
<connect gate="G$1" pin="A" pad="A"/>
<connect gate="G$1" pin="K" pad="K"/>
</connects>
<technologies>
<technology name="">
<attribute name="PARTNO" value="732-5031-1-ND"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="01010002Z" prefix="J">
<description>SMD Fuse Clip 15 A 250V 1 Circuit Cartridge Chassis Mount</description>
<gates>
<gate name="G$1" symbol="TEST2"/>
</gates>
<devices>
<device name="" package="01010002Z">
<connects>
<connect gate="G$1" pin="P$1" pad="P$1"/>
</connects>
<technologies>
<technology name="">
<attribute name="PARTNO" value="F4080-ND"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="SBM-20" prefix="T">
<description>SBM-20 Part Outline. Does not include connectors (fuse clips)</description>
<gates>
<gate name="G$1" symbol="BOM"/>
</gates>
<devices>
<device name="" package="SBM-20">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="10104110-0001LF" prefix="J">
<description>USB - micro B USB 2.0 Receptacle Connector 5 Position Surface Mount, Right Angle</description>
<gates>
<gate name="G$1" symbol="MICROUSB"/>
</gates>
<devices>
<device name="" package="MICRO_USB">
<connects>
<connect gate="G$1" pin="1VCC" pad="1"/>
<connect gate="G$1" pin="2DM" pad="2"/>
<connect gate="G$1" pin="3DP" pad="3"/>
<connect gate="G$1" pin="4ID" pad="4"/>
<connect gate="G$1" pin="5GND" pad="5"/>
<connect gate="G$1" pin="CASE" pad="GND"/>
</connects>
<technologies>
<technology name="">
<attribute name="PARTNO" value="609-4052-1-ND"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="0603_CAPACITOR" prefix="C">
<description>0603 Capacitor -- WARNING: NO DEFINED VALUE OR PART NUMBER</description>
<gates>
<gate name="G$1" symbol="C"/>
</gates>
<devices>
<device name="" package="0603">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="VALUE" value="sel"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="54202-G08-03" prefix="J">
<description>Connector Header Surface Mount 6 position 0.100" (2.54mm)</description>
<gates>
<gate name="G$1" symbol="2X3"/>
</gates>
<devices>
<device name="" package="6-SMT-HEADER">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
<connect gate="G$1" pin="3" pad="3"/>
<connect gate="G$1" pin="4" pad="4"/>
<connect gate="G$1" pin="5" pad="5"/>
<connect gate="G$1" pin="6" pad="6"/>
</connects>
<technologies>
<technology name="">
<attribute name="PARTNO" value="609-5602-ND"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="MMBT3904-TP" prefix="Q">
<description>Bipolar (BJT) Transistor NPN 40V 200mA 300MHz 350mW Surface Mount SOT-23 (SMD 2N3904)</description>
<gates>
<gate name="G$1" symbol="NPN"/>
</gates>
<devices>
<device name="" package="SOT23-3">
<connects>
<connect gate="G$1" pin="B" pad="1"/>
<connect gate="G$1" pin="C" pad="3"/>
<connect gate="G$1" pin="E" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="PARTNO" value="MMBT3904TPMSCT-ND"/>
<attribute name="VALUE" value="MMBT3904"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="1210_CAPACITOR" prefix="C">
<description>NO VALUE</description>
<gates>
<gate name="G$1" symbol="C"/>
</gates>
<devices>
<device name="" package="1210">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="SDR1005-103KL" prefix="L">
<description>10 mH Unshielded Wirewound Inductor 100 mA 39Ohm Max Nonstandard 100mA</description>
<gates>
<gate name="G$1" symbol="INDUCTOR"/>
</gates>
<devices>
<device name="" package="SDR1005">
<connects>
<connect gate="G$1" pin="P$1" pad="P$1"/>
<connect gate="G$1" pin="P$2" pad="P$2"/>
</connects>
<technologies>
<technology name="">
<attribute name="PARTNO" value="SDR1005-103KLCT-ND"/>
<attribute name="VALUE" value="10mH"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="PMBTA45,215" prefix="Q">
<description>Bipolar (BJT) Transistor NPN 500 V 150 mA 35MHz 300 mW Surface Mount TO-236AB</description>
<gates>
<gate name="G$1" symbol="NPN"/>
</gates>
<devices>
<device name="" package="SOT23-3">
<connects>
<connect gate="G$1" pin="B" pad="1"/>
<connect gate="G$1" pin="C" pad="3"/>
<connect gate="G$1" pin="E" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="PARTNO" value="1727-5332-1-ND"/>
<attribute name="VALUE" value="PMBTA45,215"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="ES1JFL" prefix="CR">
<description>Diode Standard 600 V 1A Surface Mount SOD-123F</description>
<gates>
<gate name="G$1" symbol="DIODE2"/>
</gates>
<devices>
<device name="" package="SOD123(AK)">
<connects>
<connect gate="G$1" pin="A" pad="A"/>
<connect gate="G$1" pin="K" pad="K"/>
</connects>
<technologies>
<technology name="">
<attribute name="PARTNO" value="ES1JFLCT-ND"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="BAS21GWX" prefix="CR">
<description>Diode Standard 200V 225mA (DC) Surface Mount SOD-123</description>
<gates>
<gate name="G$1" symbol="DIODE2"/>
</gates>
<devices>
<device name="" package="SOD123">
<connects>
<connect gate="G$1" pin="A" pad="2"/>
<connect gate="G$1" pin="K" pad="1"/>
</connects>
<technologies>
<technology name="">
<attribute name="PARTNO" value="1727-7323-1-ND"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="1206_RESISTOR" prefix="R">
<description>NO DEFINED PN</description>
<gates>
<gate name="G$1" symbol="R"/>
</gates>
<devices>
<device name="" package="1206">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="VALUE" value="sel"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="3361P-1-100GLF" prefix="R">
<description>10 Ohms 0.5W, 1/2W Gull Wing Surface Mount Trimmer Potentiometer Cermet 1.0 Turn Top Adjustment</description>
<gates>
<gate name="G$1" symbol="POT"/>
</gates>
<devices>
<device name="" package="3361P">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
<connect gate="G$1" pin="3" pad="3"/>
</connects>
<technologies>
<technology name="">
<attribute name="PARTNO" value="3361P-1-100GLFCT-ND"/>
<attribute name="VALUE" value="10"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="TLC555CDG4" prefix="U">
<description>555 Type, Timer/Oscillator (Single) IC 2.1MHz 8-SOIC</description>
<gates>
<gate name="G$1" symbol="555_2"/>
</gates>
<devices>
<device name="" package="SOIC8">
<connects>
<connect gate="G$1" pin="CV" pad="5"/>
<connect gate="G$1" pin="DISCH" pad="7"/>
<connect gate="G$1" pin="GND" pad="1"/>
<connect gate="G$1" pin="OUT" pad="3"/>
<connect gate="G$1" pin="RESET" pad="4"/>
<connect gate="G$1" pin="TRIG" pad="2"/>
<connect gate="G$1" pin="TRSH" pad="6"/>
<connect gate="G$1" pin="V+" pad="8"/>
</connects>
<technologies>
<technology name="">
<attribute name="PARTNO" value="296-52992-ND"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="AP2114H-3.3" prefix="U">
<description>Linear Voltage Regulator IC Positive Fixed 1 Output 3.3V 1A SOT-223</description>
<gates>
<gate name="G$1" symbol="AP2114"/>
</gates>
<devices>
<device name="" package="SOT223">
<connects>
<connect gate="G$1" pin="GND" pad="1"/>
<connect gate="G$1" pin="IN" pad="3"/>
<connect gate="G$1" pin="OUT" pad="2 T"/>
</connects>
<technologies>
<technology name="">
<attribute name="PARTNO" value="AP2114H-3.3TRG1DICT-ND"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="supply1">
<description>&lt;b&gt;Supply Symbols&lt;/b&gt;&lt;p&gt;
 GND, VCC, 0V, +5V, -5V, etc.&lt;p&gt;
 Please keep in mind, that these devices are necessary for the
 automatic wiring of the supply signals.&lt;p&gt;
 The pin name defined in the symbol is identical to the net which is to be wired automatically.&lt;p&gt;
 In this library the device names are the same as the pin names of the symbols, therefore the correct signal names appear next to the supply symbols in the schematic.&lt;p&gt;
 &lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
</packages>
<symbols>
<symbol name="+5V">
<pin name="+5V" direction="sup"/>
</symbol>
<symbol name="+3V3">
<pin name="+3V3" direction="sup"/>
</symbol>
<symbol name="GND">
<pin name="GND" direction="sup"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="+5V" prefix="P+">
<description>&lt;b&gt;SUPPLY SYMBOL&lt;/b&gt;</description>
<gates>
<gate name="1" symbol="+5V"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="+3V3" prefix="+3V3">
<description>&lt;b&gt;SUPPLY SYMBOL&lt;/b&gt;</description>
<gates>
<gate name="G$1" symbol="+3V3"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="GND" prefix="GND">
<description>&lt;b&gt;SUPPLY SYMBOL&lt;/b&gt;</description>
<gates>
<gate name="1" symbol="GND"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="supply1">
<packages>
</packages>
<symbols>
<symbol name="GND">
<pin name="GND" direction="sup"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="GND" prefix="GND">
<description>&lt;b&gt;SUPPLY SYMBOL&lt;/b&gt;</description>
<gates>
<gate name="1" symbol="GND"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="ESP32-WROOM-32D">
<packages>
<package name="MODULE_ESP32-WROOM-32D">
</package>
</packages>
<symbols>
<symbol name="ESP32-WROOM-32D">
<pin name="GND" direction="pwr"/>
<pin name="3V3" direction="pwr"/>
<pin name="EN" direction="in"/>
<pin name="SENSOR_VP" direction="in"/>
<pin name="SENSOR_VN" direction="in"/>
<pin name="IO34" direction="in"/>
<pin name="IO35" direction="in"/>
<pin name="IO33"/>
<pin name="IO32"/>
<pin name="IO25"/>
<pin name="IO26"/>
<pin name="IO27"/>
<pin name="IO14"/>
<pin name="IO12"/>
<pin name="IO13"/>
<pin name="IO15"/>
<pin name="IO2"/>
<pin name="IO0"/>
<pin name="IO4"/>
<pin name="IO16"/>
<pin name="IO17"/>
<pin name="IO5"/>
<pin name="IO18"/>
<pin name="IO19"/>
<pin name="IO21"/>
<pin name="IO22"/>
<pin name="IO23"/>
<pin name="RXD0"/>
<pin name="TXD0"/>
<pin name="SHD/SD2"/>
<pin name="SWP/SD3"/>
<pin name="SCS/CMD"/>
<pin name="SCK/CLK" function="clk"/>
<pin name="SDO/SD0"/>
<pin name="SDI/SD1"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="ESP32-WROOM-32D" prefix="U">
<description>Bluetooth, WiFi 802.11b/g/n, Bluetooth v4.2 + EDR, Class 1, 2 and 3 Transceiver Module 2.4GHz ~ 2.5GHz Integrated, Trace Surface Mount &lt;a href="https://pricing.snapeda.com/parts/ESP32-WROOM-32D/Espressif%20Systems/view-part?ref=eda"&gt;Check prices&lt;/a&gt;</description>
<gates>
<gate name="G$1" symbol="ESP32-WROOM-32D"/>
</gates>
<devices>
<device name="" package="MODULE_ESP32-WROOM-32D">
<connects>
<connect gate="G$1" pin="3V3" pad="2"/>
<connect gate="G$1" pin="EN" pad="3"/>
<connect gate="G$1" pin="GND" pad="1 15 38 39_1 39_2 39_3 39_4 39_5 39_6 39_7 39_8 39_9"/>
<connect gate="G$1" pin="IO0" pad="25"/>
<connect gate="G$1" pin="IO12" pad="14"/>
<connect gate="G$1" pin="IO13" pad="16"/>
<connect gate="G$1" pin="IO14" pad="13"/>
<connect gate="G$1" pin="IO15" pad="23"/>
<connect gate="G$1" pin="IO16" pad="27"/>
<connect gate="G$1" pin="IO17" pad="28"/>
<connect gate="G$1" pin="IO18" pad="30"/>
<connect gate="G$1" pin="IO19" pad="31"/>
<connect gate="G$1" pin="IO2" pad="24"/>
<connect gate="G$1" pin="IO21" pad="33"/>
<connect gate="G$1" pin="IO22" pad="36"/>
<connect gate="G$1" pin="IO23" pad="37"/>
<connect gate="G$1" pin="IO25" pad="10"/>
<connect gate="G$1" pin="IO26" pad="11"/>
<connect gate="G$1" pin="IO27" pad="12"/>
<connect gate="G$1" pin="IO32" pad="8"/>
<connect gate="G$1" pin="IO33" pad="9"/>
<connect gate="G$1" pin="IO34" pad="6"/>
<connect gate="G$1" pin="IO35" pad="7"/>
<connect gate="G$1" pin="IO4" pad="26"/>
<connect gate="G$1" pin="IO5" pad="29"/>
<connect gate="G$1" pin="RXD0" pad="34"/>
<connect gate="G$1" pin="SCK/CLK" pad="20"/>
<connect gate="G$1" pin="SCS/CMD" pad="19"/>
<connect gate="G$1" pin="SDI/SD1" pad="22"/>
<connect gate="G$1" pin="SDO/SD0" pad="21"/>
<connect gate="G$1" pin="SENSOR_VN" pad="5"/>
<connect gate="G$1" pin="SENSOR_VP" pad="4"/>
<connect gate="G$1" pin="SHD/SD2" pad="17"/>
<connect gate="G$1" pin="SWP/SD3" pad="18"/>
<connect gate="G$1" pin="TXD0" pad="35"/>
</connects>
<technologies>
<technology name="">
<attribute name="AVAILABILITY" value="Bad"/>
<attribute name="DESCRIPTION" value=" Bluetooth, WiFi 802.11b/g/n, Bluetooth v4.2 +EDR, Class 1, 2 and 3 Transceiver Module 2.4GHz ~ 2.5GHz Integrated, Trace Surface Mount "/>
<attribute name="MF" value="Espressif Systems"/>
<attribute name="MP" value="ESP32-WROOM-32D"/>
<attribute name="PACKAGE" value="Module Espressif Systems"/>
<attribute name="PRICE" value="None"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="CP2102N-A01-GQFN28">
<packages>
<package name="QFN50P500X500X80-29N">
</package>
</packages>
<symbols>
<symbol name="CP2102N-A01-GQFN28">
<pin name="GPIO.1/RXT"/>
<pin name="GPIO.0/TXT"/>
<pin name="GND" direction="pwr"/>
<pin name="D+"/>
<pin name="D-"/>
<pin name="VDD" direction="pwr"/>
<pin name="VREGIN" direction="pwr"/>
<pin name="VBUS" direction="pwr"/>
<pin name="!RST" direction="in"/>
<pin name="!SUSPENDB" direction="out"/>
<pin name="CHREN" direction="out"/>
<pin name="SUSPEND" direction="out"/>
<pin name="CTS" direction="in"/>
<pin name="RTS" direction="out"/>
<pin name="RXD" direction="in"/>
<pin name="TXD" direction="out"/>
<pin name="GPIO.2/RS485"/>
<pin name="GPIO.3/WAKEUP"/>
<pin name="DSR" direction="in"/>
<pin name="DTR" direction="out"/>
<pin name="DCD" direction="in"/>
<pin name="RI/CLK"/>
<pin name="CHR1" direction="out"/>
<pin name="CHR0" direction="out"/>
<pin name="GPIO.6"/>
<pin name="GPIO.4"/>
<pin name="GPIO.5"/>
<pin name="NC" direction="nc"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="CP2102N-A01-GQFN28" prefix="U">
<description>USB Bridge, USB to UART USB 2.0 UART Interface 28-QFN (5x5)  &lt;a href="https://pricing.snapeda.com/parts/CP2102N-A01-GQFN28/Silicon%20Labs/view-part?ref=eda"&gt;Check availability&lt;/a&gt;</description>
<gates>
<gate name="G$1" symbol="CP2102N-A01-GQFN28"/>
</gates>
<devices>
<device name="" package="QFN50P500X500X80-29N">
<connects>
<connect gate="G$1" pin="!RST" pad="9"/>
<connect gate="G$1" pin="!SUSPENDB" pad="11"/>
<connect gate="G$1" pin="CHR0" pad="15"/>
<connect gate="G$1" pin="CHR1" pad="14"/>
<connect gate="G$1" pin="CHREN" pad="13"/>
<connect gate="G$1" pin="CTS" pad="23"/>
<connect gate="G$1" pin="D+" pad="4"/>
<connect gate="G$1" pin="D-" pad="5"/>
<connect gate="G$1" pin="DCD" pad="1"/>
<connect gate="G$1" pin="DSR" pad="27"/>
<connect gate="G$1" pin="DTR" pad="28"/>
<connect gate="G$1" pin="GND" pad="3 29"/>
<connect gate="G$1" pin="GPIO.0/TXT" pad="19"/>
<connect gate="G$1" pin="GPIO.1/RXT" pad="18"/>
<connect gate="G$1" pin="GPIO.2/RS485" pad="17"/>
<connect gate="G$1" pin="GPIO.3/WAKEUP" pad="16"/>
<connect gate="G$1" pin="GPIO.4" pad="22"/>
<connect gate="G$1" pin="GPIO.5" pad="21"/>
<connect gate="G$1" pin="GPIO.6" pad="20"/>
<connect gate="G$1" pin="NC" pad="10"/>
<connect gate="G$1" pin="RI/CLK" pad="2"/>
<connect gate="G$1" pin="RTS" pad="24"/>
<connect gate="G$1" pin="RXD" pad="25"/>
<connect gate="G$1" pin="SUSPEND" pad="12"/>
<connect gate="G$1" pin="TXD" pad="26"/>
<connect gate="G$1" pin="VBUS" pad="8"/>
<connect gate="G$1" pin="VDD" pad="6"/>
<connect gate="G$1" pin="VREGIN" pad="7"/>
</connects>
<technologies>
<technology name="">
<attribute name="AVAILABILITY" value="In Stock"/>
<attribute name="DESCRIPTION" value=" USB Bridge, USB to UART USB 2.0 UART Interface 28-QFN (5x5) "/>
<attribute name="MF" value="Silicon Labs"/>
<attribute name="MP" value="CP2102N-A01-GQFN28"/>
<attribute name="PACKAGE" value="WFQFN-28 Silicon Labs"/>
<attribute name="PRICE" value="None"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="mightyohm">
<packages>
<package name="PS1740P02E">
<description>&lt;b&gt;BUZZER&lt;/b&gt;</description>
</package>
</packages>
<symbols>
<symbol name="B2P">
<pin name="2" direction="pas"/>
<pin name="1" direction="pas"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="PIEZO" prefix="LS" uservalue="yes">
<gates>
<gate name="G$1" symbol="B2P"/>
</gates>
<devices>
<device name="17MM" package="PS1740P02E">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name="">
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="unknown"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="pinhead">
<description>&lt;b&gt;Pin Header Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="1X02">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X02/90">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
<symbols>
<symbol name="PINHD2">
<pin name="1" direction="pas" function="dot"/>
<pin name="2" direction="pas" function="dot"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="PINHD-1X2" prefix="JP" uservalue="yes">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
<gates>
<gate name="G$1" symbol="PINHD2"/>
</gates>
<devices>
<device name="" package="1X02">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
<device name="/90" package="1X02/90">
<connects>
<connect gate="G$1" pin="1" pad="1"/>
<connect gate="G$1" pin="2" pad="2"/>
</connects>
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<parts>
<part name="R16" library="ruark2" deviceset="0603_RESISTOR" device="" value="10k"/>
<part name="D5" library="ruark2" deviceset="156120RS75300" device=""/>
<part name="J1" library="ruark2" deviceset="01010002Z" device=""/>
<part name="J3" library="ruark2" deviceset="01010002Z" device=""/>
<part name="T1" library="ruark2" deviceset="SBM-20" device=""/>
<part name="GND4" library="supply1" deviceset="GND" device=""/>
<part name="GND1" library="supply1" deviceset="GND" device=""/>
<part name="GND6" library="supply1" deviceset="GND" device=""/>
<part name="GND7" library="supply1" deviceset="GND" device=""/>
<part name="GND2" library="supply1" deviceset="GND" device=""/>
<part name="GND11" library="supply1" deviceset="GND" device=""/>
<part name="GND12" library="supply1" deviceset="GND" device=""/>
<part name="GND13" library="supply1" deviceset="GND" device=""/>
<part name="GND10" library="supply1" deviceset="GND" device=""/>
<part name="U3" library="ESP32-WROOM-32D" deviceset="ESP32-WROOM-32D" device=""/>
<part name="U4" library="CP2102N-A01-GQFN28" deviceset="CP2102N-A01-GQFN28" device=""/>
<part name="J7" library="ruark2" deviceset="10104110-0001LF" device=""/>
<part name="GND3" library="supply1" deviceset="GND" device=""/>
<part name="R11" library="ruark2" deviceset="0603_RESISTOR" device="" value="10"/>
<part name="R12" library="ruark2" deviceset="0603_RESISTOR" device="" value="10"/>
<part name="R13" library="ruark2" deviceset="0603_RESISTOR" device="" value="22.1k"/>
<part name="R15" library="ruark2" deviceset="0603_RESISTOR" device="" value="47.5k"/>
<part name="GND9" library="supply1" deviceset="GND" device=""/>
<part name="R17" library="ruark2" deviceset="0603_RESISTOR" device="" value="0"/>
<part name="P+13" library="supply1" deviceset="+5V" device=""/>
<part name="P+14" library="supply1" deviceset="+5V" device=""/>
<part name="GND14" library="supply1" deviceset="GND" device=""/>
<part name="+3V1" library="supply1" deviceset="+3V3" device=""/>
<part name="+3V2" library="supply1" deviceset="+3V3" device=""/>
<part name="GND15" library="supply1" deviceset="GND" device=""/>
<part name="R18" library="ruark2" deviceset="0603_RESISTOR" device="" value="1k"/>
<part name="+3V3" library="supply1" deviceset="+3V3" device=""/>
<part name="R19" library="ruark2" deviceset="0603_RESISTOR" device="" value="10k"/>
<part name="GND16" library="supply1" deviceset="GND" device=""/>
<part name="R20" library="ruark2" deviceset="0603_RESISTOR" device="" value="0"/>
<part name="R21" library="ruark2" deviceset="0603_RESISTOR" device="" value="0"/>
<part name="+3V4" library="supply1" deviceset="+3V3" device=""/>
<part name="C9" library="ruark2" deviceset="0603_CAPACITOR" device="" value="0.1uF"/>
<part name="R22" library="ruark2" deviceset="0603_RESISTOR" device="" value="1k"/>
<part name="GND17" library="supply1" deviceset="GND" device=""/>
<part name="J8" library="ruark2" deviceset="54202-G08-03" device=""/>
<part name="GND18" library="supply1" deviceset="GND" device=""/>
<part name="Q4" library="ruark2" deviceset="MMBT3904-TP" device="" value="MMBT3904"/>
<part name="Q5" library="ruark2" deviceset="MMBT3904-TP" device="" value="MMBT3904"/>
<part name="R23" library="ruark2" deviceset="0603_RESISTOR" device="" value="10k"/>
<part name="R24" library="ruark2" deviceset="0603_RESISTOR" device="" value="10k"/>
<part name="C10" library="ruark2" deviceset="0603_CAPACITOR" device="" value="0.1uF"/>
<part name="C11" library="ruark2" deviceset="0603_CAPACITOR" device="" value="0.1uF"/>
<part name="GND19" library="supply1" deviceset="GND" device=""/>
<part name="GND20" library="supply1" deviceset="GND" device=""/>
<part name="C12" library="ruark2" deviceset="0603_CAPACITOR" device="" value="220pF"/>
<part name="R25" library="ruark2" deviceset="0603_RESISTOR" device="" value="10k"/>
<part name="+3V6" library="supply1" deviceset="+3V3" device=""/>
<part name="Q6" library="ruark2" deviceset="MMBT3904-TP" device="" value="MMBT3904"/>
<part name="R4" library="ruark2" deviceset="0603_RESISTOR" device="" value="22k"/>
<part name="R7" library="ruark2" deviceset="0603_RESISTOR" device="" value="100k"/>
<part name="R2" library="ruark2" deviceset="0603_RESISTOR" device="" value="1M"/>
<part name="R10" library="ruark2" deviceset="0603_RESISTOR" device="" value="1M"/>
<part name="R26" library="ruark2" deviceset="0603_RESISTOR" device="" value="1M"/>
<part name="R27" library="ruark2" deviceset="0603_RESISTOR" device="" value="1M"/>
<part name="C8" library="ruark2" deviceset="1210_CAPACITOR" device="" value="10nF 630V"/>
<part name="Q2" library="ruark2" deviceset="MMBT3904-TP" device="" value="MMBT3904"/>
<part name="R1" library="ruark2" deviceset="0603_RESISTOR" device="" value="100k"/>
<part name="R5" library="ruark2" deviceset="0603_RESISTOR" device="" value="1k"/>
<part name="R28" library="ruark2" deviceset="0603_RESISTOR" device="" value="330"/>
<part name="C6" library="ruark2" deviceset="0603_CAPACITOR" device="" value="1nF"/>
<part name="R6" library="ruark2" deviceset="0603_RESISTOR" device="" value="220k"/>
<part name="L2" library="ruark2" deviceset="SDR1005-103KL" device="" value="10mH"/>
<part name="P+11" library="supply1" deviceset="+5V" device=""/>
<part name="P+12" library="supply1" deviceset="+5V" device=""/>
<part name="Q3" library="ruark2" deviceset="PMBTA45,215" device="" value="PMBTA45,215"/>
<part name="CR1" library="ruark2" deviceset="ES1JFL" device=""/>
<part name="CR2" library="ruark2" deviceset="BAS21GWX" device=""/>
<part name="R9" library="ruark2" deviceset="1206_RESISTOR" device="" value="10"/>
<part name="R3" library="ruark2" deviceset="3361P-1-100GLF" device="" value="10"/>
<part name="P+2" library="supply1" deviceset="+5V" device=""/>
<part name="C7" library="ruark2" deviceset="1210_CAPACITOR" device="" value="2.2uF"/>
<part name="C13" library="ruark2" deviceset="0805_CAPACITOR" device="" value="10uF"/>
<part name="C14" library="ruark2" deviceset="0805_CAPACITOR" device="" value="1uF"/>
<part name="C15" library="ruark2" deviceset="0805_CAPACITOR" device="" value="1uF"/>
<part name="GND5" library="supply1" deviceset="GND" device=""/>
<part name="GND21" library="supply1" deviceset="GND" device=""/>
<part name="GND22" library="supply1" deviceset="GND" device=""/>
<part name="GND23" library="supply1" deviceset="GND" device=""/>
<part name="GND24" library="supply1" deviceset="GND" device=""/>
<part name="P+1" library="supply1" deviceset="+5V" device=""/>
<part name="+3V7" library="supply1" deviceset="+3V3" device=""/>
<part name="+3V8" library="supply1" deviceset="+3V3" device=""/>
<part name="+3V9" library="supply1" deviceset="+3V3" device=""/>
<part name="P+3" library="supply1" deviceset="+5V" device=""/>
<part name="C3" library="ruark2" deviceset="0603_CAPACITOR" device="" value="0.1uF"/>
<part name="C4" library="ruark2" deviceset="0603_CAPACITOR" device="" value="0.1uF"/>
<part name="C5" library="ruark2" deviceset="0603_CAPACITOR" device="" value="0.1uF"/>
<part name="C16" library="ruark2" deviceset="0603_CAPACITOR" device="" value="0.1uF"/>
<part name="C17" library="ruark2" deviceset="0603_CAPACITOR" device="" value="0.1uF"/>
<part name="C18" library="ruark2" deviceset="0603_CAPACITOR" device="" value="0.1uF"/>
<part name="C19" library="ruark2" deviceset="0603_CAPACITOR" device="" value="0.1uF"/>
<part name="P+4" library="supply1" deviceset="+5V" device=""/>
<part name="P+5" library="supply1" deviceset="+5V" device=""/>
<part name="P+6" library="supply1" deviceset="+5V" device=""/>
<part name="P+7" library="supply1" deviceset="+5V" device=""/>
<part name="+3V10" library="supply1" deviceset="+3V3" device=""/>
<part name="+3V11" library="supply1" deviceset="+3V3" device=""/>
<part name="+3V12" library="supply1" deviceset="+3V3" device=""/>
<part name="C1" library="ruark2" deviceset="0603_CAPACITOR" device="" value="0.1uF"/>
<part name="+3V13" library="supply1" deviceset="+3V3" device=""/>
<part name="GND25" library="supply1" deviceset="GND" device=""/>
<part name="GND26" library="supply1" deviceset="GND" device=""/>
<part name="GND27" library="supply1" deviceset="GND" device=""/>
<part name="GND28" library="supply1" deviceset="GND" device=""/>
<part name="GND29" library="supply1" deviceset="GND" device=""/>
<part name="GND30" library="supply1" deviceset="GND" device=""/>
<part name="GND31" library="supply1" deviceset="GND" device=""/>
<part name="GND32" library="supply1" deviceset="GND" device=""/>
<part name="U1" library="ruark2" deviceset="TLC555CDG4" device=""/>
<part name="B1" library="mightyohm" deviceset="PIEZO" device="17MM"/>
<part name="JP1" library="pinhead" deviceset="PINHD-1X2" device=""/>
<part name="R8" library="ruark2" deviceset="0603_RESISTOR" device="" value="10k"/>
<part name="D1" library="ruark2" deviceset="156120RS75300" device=""/>
<part name="GND34" library="supply1" deviceset="GND" device=""/>
<part name="GND33" library="supply1" deviceset="GND" device=""/>
<part name="U5" library="ruark2" deviceset="AP2114H-3.3" device=""/>
<part name="GND35" library="supply1" deviceset="GND" device=""/>
<part name="P+16" library="supply1" deviceset="+5V" device=""/>
<part name="+3V5" library="supply1" deviceset="+3V3" device=""/>
<part name="U2" library="ruark2" deviceset="TLC555CDG4" device=""/>
</parts>
<sheets>
<sheet>
<plain>
<text>Ionization Chamber Rev4</text>
<text>SMD pads for 
9V Battery</text>
<text>ON Switch</text>
<text>5V Linear Regulator</text>
<text>2.5V Reference</text>
<text>Bypass Cap</text>
<text>Gas 
Discharge 
Tube
(Stacked 
Fotprint)</text>
<text>Transimpedance Amplifier
Input offset: 10uV (typ), 230uV (max)</text>
<text>Output Amplifier: Set Gain with R4/ R5</text>
<text>SMD pads for 9V Battery
DNP R8 when using bias battery.
Install R8 if using a single battery.</text>
<text>GM Tube</text>
<text>High Voltage Power Supply</text>
<text>Impulse Detection</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>nc</text>
<text>C3225C0G2J103K125AA</text>
</plain>
<busses>
</busses>
<nets>
<net name="GND">
<segment>
<pinref part="GND4" gate="1" pin="GND"/>
<pinref part="U1" gate="G$1" pin="GND"/>
</segment>
<segment>
<pinref part="GND7" gate="1" pin="GND"/>
<pinref part="Q2" gate="G$1" pin="E"/>
</segment>
<segment>
<pinref part="GND2" gate="1" pin="GND"/>
<pinref part="U1" gate="G$1" pin="TRSH"/>
</segment>
<segment>
<pinref part="GND12" gate="1" pin="GND"/>
<pinref part="R7" gate="G$1" pin="1"/>
<pinref part="C12" gate="G$1" pin="2"/>
<pinref part="U2" gate="G$1" pin="OUT"/>
</segment>
<segment>
<pinref part="GND11" gate="1" pin="GND"/>
<pinref part="Q6" gate="G$1" pin="E"/>
</segment>
<segment>
<pinref part="GND13" gate="1" pin="GND"/>
<pinref part="C8" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="GND3" gate="1" pin="GND"/>
<pinref part="J7" gate="G$1" pin="5GND"/>
<pinref part="J7" gate="G$1" pin="CASE"/>
</segment>
<segment>
<pinref part="R15" gate="G$1" pin="1"/>
<pinref part="GND9" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="GND14" gate="1" pin="GND"/>
<pinref part="U4" gate="G$1" pin="GND"/>
</segment>
<segment>
<pinref part="GND15" gate="1" pin="GND"/>
<pinref part="U3" gate="G$1" pin="GND"/>
</segment>
<segment>
<pinref part="R19" gate="G$1" pin="1"/>
<pinref part="GND16" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="GND17" gate="1" pin="GND"/>
<pinref part="C9" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="J8" gate="G$1" pin="5"/>
<pinref part="GND18" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="GND19" gate="1" pin="GND"/>
<pinref part="C11" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="GND20" gate="1" pin="GND"/>
<pinref part="C10" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="GND6" gate="1" pin="GND"/>
<pinref part="C6" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="GND1" gate="1" pin="GND"/>
<pinref part="R6" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="GND10" gate="1" pin="GND"/>
<pinref part="R3" gate="G$1" pin="3"/>
</segment>
<segment>
<pinref part="R16" gate="G$1" pin="2"/>
<pinref part="GND5" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="C7" gate="G$1" pin="2"/>
<pinref part="GND21" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="C13" gate="G$1" pin="2"/>
<pinref part="GND22" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="C14" gate="G$1" pin="2"/>
<pinref part="GND23" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="C15" gate="G$1" pin="2"/>
<pinref part="GND24" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="GND25" gate="1" pin="GND"/>
<pinref part="C19" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="GND26" gate="1" pin="GND"/>
<pinref part="C3" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="GND27" gate="1" pin="GND"/>
<pinref part="C4" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="GND28" gate="1" pin="GND"/>
<pinref part="C5" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="GND29" gate="1" pin="GND"/>
<pinref part="C1" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="GND30" gate="1" pin="GND"/>
<pinref part="C16" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="GND31" gate="1" pin="GND"/>
<pinref part="C17" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="GND32" gate="1" pin="GND"/>
<pinref part="C18" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="R8" gate="G$1" pin="2"/>
<pinref part="GND34" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="JP1" gate="G$1" pin="2"/>
<pinref part="GND33" gate="1" pin="GND"/>
</segment>
<segment>
<pinref part="U5" gate="G$1" pin="GND"/>
<pinref part="GND35" gate="1" pin="GND"/>
</segment>
</net>
<net name="+5V">
<segment>
<pinref part="R17" gate="G$1" pin="2"/>
<pinref part="P+13" gate="1" pin="+5V"/>
</segment>
<segment>
<pinref part="R13" gate="G$1" pin="2"/>
<pinref part="P+14" gate="1" pin="+5V"/>
</segment>
<segment>
<pinref part="R1" gate="G$1" pin="2"/>
<pinref part="P+12" gate="1" pin="+5V"/>
</segment>
<segment>
<pinref part="L2" gate="G$1" pin="P$2"/>
<pinref part="P+11" gate="1" pin="+5V"/>
</segment>
<segment>
<pinref part="P+2" gate="1" pin="+5V"/>
<pinref part="U1" gate="G$1" pin="V+"/>
</segment>
<segment>
<pinref part="D5" gate="G$1" pin="A"/>
<pinref part="P+1" gate="1" pin="+5V"/>
</segment>
<segment>
<pinref part="C7" gate="G$1" pin="1"/>
<pinref part="P+3" gate="1" pin="+5V"/>
</segment>
<segment>
<pinref part="C19" gate="G$1" pin="1"/>
<pinref part="P+4" gate="1" pin="+5V"/>
</segment>
<segment>
<pinref part="C3" gate="G$1" pin="1"/>
<pinref part="P+5" gate="1" pin="+5V"/>
</segment>
<segment>
<pinref part="C4" gate="G$1" pin="1"/>
<pinref part="P+6" gate="1" pin="+5V"/>
</segment>
<segment>
<pinref part="P+7" gate="1" pin="+5V"/>
<pinref part="C5" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="U5" gate="G$1" pin="IN"/>
<pinref part="P+16" gate="1" pin="+5V"/>
</segment>
</net>
<net name="N$19">
<segment>
<pinref part="R16" gate="G$1" pin="1"/>
<pinref part="D5" gate="G$1" pin="K"/>
</segment>
</net>
<net name="N$8">
<segment>
<pinref part="R28" gate="G$1" pin="1"/>
<pinref part="Q3" gate="G$1" pin="B"/>
<pinref part="U1" gate="G$1" pin="DISCH"/>
</segment>
</net>
<net name="N$1">
<segment>
<pinref part="R5" gate="G$1" pin="1"/>
<pinref part="CR2" gate="G$1" pin="A"/>
</segment>
</net>
<net name="N$9">
<segment>
<pinref part="C6" gate="G$1" pin="1"/>
<pinref part="R6" gate="G$1" pin="2"/>
<pinref part="CR2" gate="G$1" pin="K"/>
<pinref part="U1" gate="G$1" pin="TRIG"/>
</segment>
</net>
<net name="N$10">
<segment>
<pinref part="R5" gate="G$1" pin="2"/>
<pinref part="R28" gate="G$1" pin="2"/>
<pinref part="U1" gate="G$1" pin="OUT"/>
</segment>
</net>
<net name="N$3">
<segment>
<pinref part="Q2" gate="G$1" pin="C"/>
<pinref part="R1" gate="G$1" pin="1"/>
<pinref part="U1" gate="G$1" pin="RESET"/>
</segment>
</net>
<net name="N$11">
<segment>
<pinref part="Q2" gate="G$1" pin="B"/>
<pinref part="Q3" gate="G$1" pin="E"/>
<pinref part="R9" gate="G$1" pin="2"/>
</segment>
</net>
<net name="SW">
<segment>
<pinref part="L2" gate="G$1" pin="P$1"/>
<pinref part="Q3" gate="G$1" pin="C"/>
<pinref part="CR1" gate="G$1" pin="A"/>
</segment>
</net>
<net name="HV">
<segment>
<pinref part="R2" gate="G$1" pin="2"/>
<pinref part="C8" gate="G$1" pin="1"/>
<pinref part="CR1" gate="G$1" pin="K"/>
<pinref part="U2" gate="G$1" pin="TRSH"/>
</segment>
</net>
<net name="N$14">
<segment>
<pinref part="Q6" gate="G$1" pin="B"/>
<pinref part="R4" gate="G$1" pin="1"/>
<pinref part="R7" gate="G$1" pin="2"/>
</segment>
</net>
<net name="GM_PULSE">
<segment>
<pinref part="Q6" gate="G$1" pin="C"/>
<pinref part="R25" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="U3" gate="G$1" pin="IO22"/>
</segment>
</net>
<net name="N$15">
<segment>
<pinref part="J3" gate="G$1" pin="P$1"/>
<pinref part="R27" gate="G$1" pin="2"/>
</segment>
</net>
<net name="N$39">
<segment>
<pinref part="R4" gate="G$1" pin="2"/>
<pinref part="C12" gate="G$1" pin="1"/>
<pinref part="J1" gate="G$1" pin="P$1"/>
</segment>
</net>
<net name="N$23">
<segment>
<pinref part="R9" gate="G$1" pin="1"/>
<pinref part="R3" gate="G$1" pin="1"/>
<pinref part="R3" gate="G$1" pin="2"/>
</segment>
</net>
<net name="N$2">
<segment>
<pinref part="R11" gate="G$1" pin="1"/>
<pinref part="J7" gate="G$1" pin="2DM"/>
</segment>
</net>
<net name="N$4">
<segment>
<pinref part="J7" gate="G$1" pin="3DP"/>
<pinref part="R12" gate="G$1" pin="1"/>
</segment>
</net>
<net name="N$5">
<segment>
<pinref part="U4" gate="G$1" pin="D-"/>
<pinref part="R11" gate="G$1" pin="2"/>
</segment>
</net>
<net name="N$6">
<segment>
<pinref part="R12" gate="G$1" pin="2"/>
<pinref part="U4" gate="G$1" pin="D+"/>
</segment>
</net>
<net name="N$7">
<segment>
<pinref part="U4" gate="G$1" pin="VBUS"/>
<pinref part="R13" gate="G$1" pin="1"/>
<pinref part="R15" gate="G$1" pin="2"/>
</segment>
</net>
<net name="N$13">
<segment>
<pinref part="J7" gate="G$1" pin="1VCC"/>
<pinref part="R17" gate="G$1" pin="1"/>
</segment>
</net>
<net name="+3V3">
<segment>
<pinref part="U4" gate="G$1" pin="VREGIN"/>
<pinref part="U4" gate="G$1" pin="VDD"/>
<pinref part="+3V1" gate="G$1" pin="+3V3"/>
</segment>
<segment>
<pinref part="U3" gate="G$1" pin="3V3"/>
<pinref part="+3V2" gate="G$1" pin="+3V3"/>
</segment>
<segment>
<pinref part="R18" gate="G$1" pin="2"/>
<pinref part="+3V3" gate="G$1" pin="+3V3"/>
</segment>
<segment>
<pinref part="R22" gate="G$1" pin="2"/>
<pinref part="+3V4" gate="G$1" pin="+3V3"/>
</segment>
<segment>
<pinref part="R25" gate="G$1" pin="2"/>
<pinref part="+3V6" gate="G$1" pin="+3V3"/>
</segment>
<segment>
<pinref part="C13" gate="G$1" pin="1"/>
<pinref part="+3V7" gate="G$1" pin="+3V3"/>
</segment>
<segment>
<pinref part="C14" gate="G$1" pin="1"/>
<pinref part="+3V8" gate="G$1" pin="+3V3"/>
</segment>
<segment>
<pinref part="C15" gate="G$1" pin="1"/>
<pinref part="+3V9" gate="G$1" pin="+3V3"/>
</segment>
<segment>
<pinref part="+3V13" gate="G$1" pin="+3V3"/>
<pinref part="C1" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="+3V10" gate="G$1" pin="+3V3"/>
<pinref part="C16" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="+3V11" gate="G$1" pin="+3V3"/>
<pinref part="C17" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="+3V12" gate="G$1" pin="+3V3"/>
<pinref part="C18" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="U5" gate="G$1" pin="OUT"/>
<pinref part="+3V5" gate="G$1" pin="+3V3"/>
</segment>
</net>
<net name="N$18">
<segment>
<pinref part="U4" gate="G$1" pin="!RST"/>
<pinref part="R18" gate="G$1" pin="1"/>
</segment>
</net>
<net name="N$20">
<segment>
<pinref part="U4" gate="G$1" pin="!SUSPENDB"/>
<pinref part="R19" gate="G$1" pin="2"/>
</segment>
</net>
<net name="RTS">
<segment>
<pinref part="U4" gate="G$1" pin="RTS"/>
</segment>
<segment>
<pinref part="R24" gate="G$1" pin="2"/>
<pinref part="Q4" gate="G$1" pin="E"/>
</segment>
</net>
<net name="TXD">
<segment>
<pinref part="U4" gate="G$1" pin="TXD"/>
<pinref part="R21" gate="G$1" pin="1"/>
</segment>
</net>
<net name="RXD">
<segment>
<pinref part="U4" gate="G$1" pin="RXD"/>
<pinref part="R20" gate="G$1" pin="1"/>
</segment>
</net>
<net name="RXD0">
<segment>
<pinref part="R21" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="U3" gate="G$1" pin="RXD0"/>
</segment>
</net>
<net name="TXD0">
<segment>
<pinref part="R20" gate="G$1" pin="2"/>
</segment>
<segment>
<pinref part="U3" gate="G$1" pin="TXD0"/>
</segment>
</net>
<net name="DTR">
<segment>
<pinref part="U4" gate="G$1" pin="DTR"/>
</segment>
<segment>
<pinref part="Q5" gate="G$1" pin="E"/>
<pinref part="R23" gate="G$1" pin="2"/>
</segment>
</net>
<net name="N$22">
<segment>
<pinref part="Q4" gate="G$1" pin="B"/>
<pinref part="R23" gate="G$1" pin="1"/>
</segment>
</net>
<net name="N$24">
<segment>
<pinref part="Q5" gate="G$1" pin="B"/>
<pinref part="R24" gate="G$1" pin="1"/>
</segment>
</net>
<net name="EN">
<segment>
<pinref part="Q4" gate="G$1" pin="C"/>
<pinref part="C11" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="U3" gate="G$1" pin="EN"/>
<pinref part="R22" gate="G$1" pin="1"/>
<pinref part="C9" gate="G$1" pin="1"/>
</segment>
</net>
<net name="IO0">
<segment>
<pinref part="Q5" gate="G$1" pin="C"/>
<pinref part="C10" gate="G$1" pin="1"/>
</segment>
<segment>
<pinref part="U3" gate="G$1" pin="IO0"/>
</segment>
</net>
<net name="N$16">
<segment>
<pinref part="R2" gate="G$1" pin="1"/>
<pinref part="R10" gate="G$1" pin="2"/>
</segment>
</net>
<net name="N$17">
<segment>
<pinref part="R10" gate="G$1" pin="1"/>
<pinref part="R26" gate="G$1" pin="1"/>
</segment>
</net>
<net name="N$21">
<segment>
<pinref part="R26" gate="G$1" pin="2"/>
<pinref part="R27" gate="G$1" pin="1"/>
</segment>
</net>
<net name="N$27">
<segment>
<pinref part="R8" gate="G$1" pin="1"/>
<pinref part="D1" gate="G$1" pin="K"/>
</segment>
</net>
<net name="IO16">
<segment>
<pinref part="U3" gate="G$1" pin="IO16"/>
</segment>
<segment>
<pinref part="J8" gate="G$1" pin="1"/>
</segment>
</net>
<net name="IO17">
<segment>
<pinref part="U3" gate="G$1" pin="IO17"/>
</segment>
<segment>
<pinref part="J8" gate="G$1" pin="3"/>
</segment>
</net>
<net name="IO18">
<segment>
<pinref part="U3" gate="G$1" pin="IO18"/>
</segment>
<segment>
<pinref part="J8" gate="G$1" pin="4"/>
</segment>
</net>
<net name="IO19">
<segment>
<pinref part="U3" gate="G$1" pin="IO19"/>
</segment>
<segment>
<pinref part="J8" gate="G$1" pin="6"/>
</segment>
</net>
<net name="N$12">
<segment>
<pinref part="B1" gate="G$1" pin="2"/>
<pinref part="JP1" gate="G$1" pin="1"/>
</segment>
</net>
<net name="IO4">
<segment>
<pinref part="U3" gate="G$1" pin="IO4"/>
</segment>
<segment>
<pinref part="J8" gate="G$1" pin="2"/>
</segment>
</net>
<net name="LED">
<segment>
<pinref part="U3" gate="G$1" pin="IO13"/>
</segment>
<segment>
<pinref part="D1" gate="G$1" pin="A"/>
</segment>
</net>
<net name="PIEZO">
<segment>
<pinref part="U3" gate="G$1" pin="IO2"/>
</segment>
<segment>
<pinref part="B1" gate="G$1" pin="1"/>
</segment>
</net>
</nets>
</sheet>
</sheets>
</schematic>
</drawing>
</eagle>
