<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.5.0">
<drawing>
<board>
<plain>
<wire x1="1.0541" y1="0.828675" x2="33.78855" y2="0.828675" width="0" layer="20"/>
<wire x1="33.78855" y1="0.828675" x2="33.829825" y2="40.1855" width="0" layer="20"/>
<wire x1="33.829825" y1="40.1855" x2="1.0541" y2="40.1855" width="0" layer="20"/>
<wire x1="1.0541" y1="40.1855" x2="1.0541" y2="0.828675" width="0" layer="20"/>
<text>p.t.o.</text>
<text>p.t.o.</text>
<text>cn</text>
<text>p.t.o.</text>
<text>Atten
858D+</text>
<text>2018</text>
<text>HT46R23</text>
<text>RX</text>
<text>TX</text>
<text>GND</text>
<text>GND</text>
</plain>
<libraries>
<library name="atmel">
<description>&lt;b&gt;AVR Devices&lt;/b&gt;&lt;p&gt;
Configurable logic, microcontrollers, nonvolatile memories&lt;p&gt;
Based on the following sources:&lt;p&gt;
&lt;ul&gt;
&lt;li&gt;www.atmel.com
&lt;li&gt;CD-ROM : Configurable Logic Microcontroller Nonvolatile Memory
&lt;li&gt;CadSoft download site, www.cadsoft.de or www.cadsoftusa.com , file at90smcu_v400.zip
&lt;li&gt;avr.lbr
&lt;/ul&gt;
&lt;author&gt;Revised by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="TQFP32-08">
<description>&lt;B&gt;Thin Plasic Quad Flat Package&lt;/B&gt; Grid 0.8 mm</description>
</package>
</packages>
</library>
<library name="ic-package">
<description>&lt;b&gt;IC Packages an Sockets&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DIL28-3">
<description>&lt;b&gt;Dual In Line Package Small&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="eagle-ltspice">
<description>Default symbols for import LTspice schematics&lt;p&gt;
2012-10-29 alf@cadsoft.de&lt;br&gt;</description>
<packages>
<package name="C0805">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;</description>
</package>
</packages>
</library>
<library name="texas">
<description>&lt;b&gt;Texas Instruments Devices&lt;/b&gt;&lt;p&gt;
 &lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DBZ_R-PDSO-G3">
<description>&lt;b&gt;DBZ (R-PDSO-G3)&lt;/b&gt; SOT-23&lt;p&gt;
Source: http://focus.ti.com/lit/ds/slcs146e/slcs146e.pdf</description>
</package>
</packages>
</library>
<library name="Seeed-Connector">
<packages>
<package name="H2X3-2.54">
</package>
</packages>
</library>
<library name="Seeed-Capacitor">
<packages>
<package name="C0805">
<description>&lt;b&gt;0805&lt;b&gt;&lt;p&gt;</description>
</package>
</packages>
</library>
<library name="Seeed-Resistor">
<packages>
<package name="R0805">
</package>
<package name="R0603">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="atmel" package="TQFP32-08" value="MEGA8-AI">
<attribute name="OC_NEWARK" value="73M8863"/>
<attribute name="OC_FARNELL" value="9171371"/>
<attribute name="MF" value=""/>
<attribute name="MPN" value="ATMEGA8-16AU"/>
</element>
<element name="IC_ADAPTOR" library="ic-package" package="DIL28-3" value="HT46R23"/>
<element name="R1" library="Seeed-Resistor" package="R0805" value="10K">
<attribute name="VALUE" value="10K"/>
<attribute name="MPN" value="RC0805FR-0710KL"/>
</element>
<element name="C1" library="eagle-ltspice" package="C0805" value="0.1µF">
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="SPICEMODEL" value="NONE"/>
</element>
<element name="C2" library="eagle-ltspice" package="C0805" value="100nF">
<attribute name="SPICEPREFIX" value="C"/>
<attribute name="SPICEMODEL" value="NONE"/>
</element>
<element name="R2" library="Seeed-Resistor" package="R0603" value="10K">
<attribute name="VALUE" value="10K"/>
<attribute name="MPN" value="RC0603FR-0710KL"/>
</element>
<element name="IC2" library="texas" package="DBZ_R-PDSO-G3" value="TL431AMFDT">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
</element>
<element name="ICSP" library="Seeed-Connector" package="H2X3-2.54" value="2x3p-2.54">
<attribute name="MPN" value="P125-12A1BS116A1"/>
</element>
<element name="C3" library="Seeed-Capacitor" package="C0805" value="10uf">
<attribute name="MPN" value="CC0805KKX5R8BB106"/>
</element>
<element name="C4" library="Seeed-Capacitor" package="C0805" value="10uf">
<attribute name="MPN" value="CC0805KKX5R8BB106"/>
</element>
</elements>
<signals>
<signal name="GND">
<contactref element="IC1" pad="21"/>
<contactref element="IC1" pad="3"/>
<contactref element="IC_ADAPTOR" pad="11"/>
<contactref element="C1" pad="1"/>
<contactref element="IC2" pad="3"/>
<contactref element="C2" pad="2"/>
<contactref element="IC1" pad="5"/>
<contactref element="C3" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="ICSP" pad="4"/>
</signal>
<signal name="VCC">
<contactref element="IC1" pad="4"/>
<contactref element="IC_ADAPTOR" pad="20"/>
<contactref element="R1" pad="1"/>
<contactref element="R2" pad="2"/>
<contactref element="IC1" pad="6"/>
<contactref element="C3" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="ICSP" pad="6"/>
</signal>
<signal name="AVCC">
<contactref element="IC1" pad="18"/>
<contactref element="R1" pad="2"/>
<contactref element="C1" pad="2"/>
</signal>
<signal name="AREF">
<contactref element="IC2" pad="2"/>
<contactref element="R2" pad="1"/>
<contactref element="IC1" pad="20"/>
<contactref element="IC2" pad="1"/>
<contactref element="C2" pad="1"/>
</signal>
<signal name="/RESET">
<contactref element="IC1" pad="29"/>
<contactref element="IC_ADAPTOR" pad="19"/>
<contactref element="ICSP" pad="3"/>
</signal>
<signal name="DIGIT_3">
<contactref element="IC1" pad="7"/>
<contactref element="IC_ADAPTOR" pad="12"/>
</signal>
<signal name="DIGIT_2">
<contactref element="IC1" pad="8"/>
<contactref element="IC_ADAPTOR" pad="28"/>
</signal>
<signal name="DIGIT_1">
<contactref element="IC1" pad="12"/>
<contactref element="IC_ADAPTOR" pad="27"/>
</signal>
<signal name="FAN_CTRL">
<contactref element="IC_ADAPTOR" pad="15"/>
<contactref element="IC1" pad="26"/>
</signal>
<signal name="LED_B">
<contactref element="IC1" pad="11"/>
<contactref element="IC_ADAPTOR" pad="4"/>
</signal>
<signal name="LED_G">
<contactref element="IC1" pad="10"/>
<contactref element="IC_ADAPTOR" pad="3"/>
</signal>
<signal name="LED_F">
<contactref element="IC1" pad="1"/>
<contactref element="IC_ADAPTOR" pad="5"/>
</signal>
<signal name="LED_A">
<contactref element="IC1" pad="30"/>
<contactref element="IC_ADAPTOR" pad="6"/>
</signal>
<signal name="DP">
<contactref element="IC1" pad="2"/>
<contactref element="IC_ADAPTOR" pad="25"/>
</signal>
<signal name="LED_C">
<contactref element="IC_ADAPTOR" pad="26"/>
<contactref element="IC1" pad="9"/>
</signal>
<signal name="LED_E">
<contactref element="IC1" pad="31"/>
<contactref element="IC_ADAPTOR" pad="24"/>
</signal>
<signal name="LED_D">
<contactref element="IC_ADAPTOR" pad="23"/>
<contactref element="IC1" pad="32"/>
</signal>
<signal name="SCK">
<contactref element="IC1" pad="17"/>
<contactref element="ICSP" pad="2"/>
<contactref element="IC_ADAPTOR" pad="8"/>
</signal>
<signal name="MISO">
<contactref element="IC1" pad="16"/>
<contactref element="ICSP" pad="1"/>
<contactref element="IC_ADAPTOR" pad="2"/>
</signal>
<signal name="MOSI">
<contactref element="IC1" pad="15"/>
<contactref element="ICSP" pad="5"/>
</signal>
<signal name="FAN_SENSE">
<contactref element="IC_ADAPTOR" pad="9"/>
<contactref element="IC1" pad="28"/>
</signal>
<signal name="TRIAC">
<contactref element="IC_ADAPTOR" pad="18"/>
<contactref element="IC1" pad="13"/>
</signal>
<signal name="BTN_DN">
<contactref element="IC_ADAPTOR" pad="7"/>
<contactref element="IC1" pad="14"/>
</signal>
<signal name="THERMOCOUPLE">
<contactref element="IC_ADAPTOR" pad="10"/>
<contactref element="IC1" pad="23"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
