<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.7.0">
<drawing>
<board>
<plain>
<wire x1="44" y1="0" x2="2" y2="0" width="0" layer="20"/>
<wire x1="0" y1="2" x2="0" y2="28" width="0" layer="20"/>
<wire x1="2" y1="30" x2="44" y2="30" width="0.01" layer="20"/>
<text>(CC) BY-NC-SA</text>
<text>BAT1</text>
<text>Based on AKL-Mini 2.0
by Arne Rossium</text>
<hole x="2.5" y="27.5" drill="2.6"/>
<hole x="43.5" y="27.5" drill="2.6"/>
<text>iR-Heart 2.2</text>
<wire x1="46" y1="28" x2="46" y2="2" width="0" layer="20"/>
<wire x1="0" y1="28" x2="2" y2="30" width="0.01" layer="20" curve="-90"/>
<wire x1="44" y1="30" x2="46" y2="28" width="0.01" layer="20" curve="-90"/>
<wire x1="46" y1="2" x2="44" y2="0" width="0.01" layer="20" curve="-90"/>
<wire x1="2" y1="0" x2="0" y2="2" width="0.01" layer="20" curve="-90"/>
</plain>
<libraries>
<library name="led">
<packages>
<package name="CHIPLED_0805">
<description>&lt;b&gt;CHIPLED&lt;/b&gt;&lt;p&gt;
Source: http://www.osram.convergy.de/ ... LG_R971.pdf</description>
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="R1206">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;</description>
</package>
<package name="R0805">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;</description>
</package>
<package name="C0805">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;</description>
</package>
</packages>
</library>
<library name="battery">
<packages>
<package name="KZH20SMD">
</package>
</packages>
</library>
<library name="con-pads">
<packages>
<package name="SMDPAD_75MIL">
</package>
</packages>
</library>
<library name="ic-microcontroller">
<packages>
<package name="SO14">
</package>
</packages>
</library>
<library name="microchip-mcp73831">
<description>&lt;b&gt;Microchip PIC Microcontrollers and other Devices&lt;/b&gt;&lt;p&gt;
Based on the following sources :
&lt;ul&gt;
&lt;li&gt;Microchip Data Book, 1993
&lt;li&gt;THE EMERGING WORLD STANDARD, 1995/1996
&lt;li&gt;Microchip, Technical Library CD-ROM, June 1998
&lt;li&gt;www.microchip.com
&lt;/ul&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SOT23-5L">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;&lt;p&gt;
package type OT</description>
</package>
</packages>
</library>
<library name="wirepad">
<description>&lt;b&gt;Single Pads&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SMD2,54-2.54">
<description>&lt;b&gt;SMD PAD&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="sm_ilec_div">
<packages>
<package name="SJS">
<description>&lt;b&gt;Solder jumper&lt;/b&gt;
Small footprint</description>
</package>
</packages>
</library>
<library name="akl-lib">
<description>Generated from &lt;b&gt;AKLM-2.0.sch&lt;/b&gt;&lt;p&gt;
by exp-lbrs.ulp</description>
<packages>
<package name="LSG-KEY">
</package>
</packages>
</library>
<library name="00_sm_con2">
<packages>
<package name="USB-C_6PIN_ALIEXPRESS">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
<variantdef name="Simple_CR2032"/>
<variantdef name="LiPo_Charger" current="yes"/>
</variantdefs>
<elements>
<element name="R1" library="rcl" package="R0805" value="68">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="rcl" package="R0805" value="68">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="rcl" package="R0805" value="68">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R4" library="rcl" package="R0805" value="68">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R5" library="rcl" package="R0805" value="68">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="rcl" package="R0805" value="68">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="rcl" package="C0805" value="100n">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SW1" library="akl-lib" package="LSG-KEY" value="on/off"/>
<element name="BAT1" library="battery" package="KZH20SMD" value="CR2032" populate="no"/>
<element name="LED1" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED2" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED3" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED4" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED5" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED6" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED7" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED8" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED9" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED10" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED11" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED12" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED13" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED14" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED15" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED16" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED17" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="LED18" library="led" package="CHIPLED_0805" value="">
<attribute name="VALUE"/>
</element>
<element name="X1" library="con-pads" package="SMDPAD_75MIL" value=""/>
<element name="IC1" library="ic-microcontroller" package="SO14" value="ATTINY24-S">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="X2" library="con-pads" package="SMDPAD_75MIL" value=""/>
<element name="X3" library="con-pads" package="SMDPAD_75MIL" value=""/>
<element name="X4" library="con-pads" package="SMDPAD_75MIL" value=""/>
<element name="IC2" library="microchip-mcp73831" package="SOT23-5L" value="MCP73831">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R7" library="rcl" package="R0805" value="12k">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="rcl" package="C0805" value="100n">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="LED19" library="led" package="CHIPLED_0805" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R8" library="rcl" package="R0805" value="3k3">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="F1" library="rcl" package="R1206" value="Fuse">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J1" library="sm_ilec_div" package="SJS" value="">
<attribute name="NAME"/>
</element>
<element name="J2" library="sm_ilec_div" package="SJS" value="">
<attribute name="NAME"/>
</element>
<element name="CON1" library="00_sm_con2" package="USB-C_6PIN_ALIEXPRESS" value="USB-C_6PIN">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R9" library="rcl" package="R0805" value="5k1">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R10" library="rcl" package="R0805" value="5k1">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="GND" library="wirepad" package="SMD2,54-2.54" value=""/>
</elements>
<signals>
<signal name="N$7">
<contactref element="R6" pad="2"/>
<contactref element="LED1" pad="A"/>
<contactref element="LED7" pad="A"/>
<contactref element="LED13" pad="A"/>
</signal>
<signal name="N$8">
<contactref element="R5" pad="2"/>
<contactref element="LED2" pad="A"/>
<contactref element="LED8" pad="A"/>
<contactref element="LED14" pad="A"/>
</signal>
<signal name="N$9">
<contactref element="R4" pad="2"/>
<contactref element="LED3" pad="A"/>
<contactref element="LED9" pad="A"/>
<contactref element="LED15" pad="A"/>
</signal>
<signal name="N$10">
<contactref element="R3" pad="2"/>
<contactref element="LED4" pad="A"/>
<contactref element="LED10" pad="A"/>
<contactref element="LED16" pad="A"/>
</signal>
<signal name="N$11">
<contactref element="R2" pad="2"/>
<contactref element="LED5" pad="A"/>
<contactref element="LED11" pad="A"/>
<contactref element="LED17" pad="A"/>
</signal>
<signal name="N$12">
<contactref element="R1" pad="2"/>
<contactref element="LED6" pad="A"/>
<contactref element="LED12" pad="A"/>
<contactref element="LED18" pad="A"/>
</signal>
<signal name="N$13">
<contactref element="LED1" pad="C"/>
<contactref element="LED2" pad="C"/>
<contactref element="LED3" pad="C"/>
<contactref element="LED4" pad="C"/>
<contactref element="LED5" pad="C"/>
<contactref element="LED6" pad="C"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="IC1">
<contactref element="LED7" pad="C"/>
<contactref element="LED8" pad="C"/>
<contactref element="LED9" pad="C"/>
<contactref element="LED10" pad="C"/>
<contactref element="LED11" pad="C"/>
<contactref element="LED12" pad="C"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="N$15">
<contactref element="LED13" pad="C"/>
<contactref element="LED14" pad="C"/>
<contactref element="LED15" pad="C"/>
<contactref element="LED16" pad="C"/>
<contactref element="LED17" pad="C"/>
<contactref element="LED18" pad="C"/>
<contactref element="IC1" pad="5"/>
</signal>
<signal name="N$1">
<contactref element="R1" pad="1"/>
<contactref element="IC1" pad="6"/>
</signal>
<signal name="N$2">
<contactref element="R2" pad="1"/>
<contactref element="IC1" pad="7"/>
<contactref element="X2" pad="PAD"/>
</signal>
<signal name="N$3">
<contactref element="R3" pad="1"/>
<contactref element="IC1" pad="8"/>
<contactref element="X3" pad="PAD"/>
</signal>
<signal name="N$4">
<contactref element="R4" pad="1"/>
<contactref element="IC1" pad="9"/>
<contactref element="X4" pad="PAD"/>
</signal>
<signal name="N$5">
<contactref element="R5" pad="1"/>
<contactref element="IC1" pad="10"/>
</signal>
<signal name="N$6">
<contactref element="R6" pad="1"/>
<contactref element="IC1" pad="11"/>
<contactref element="J2" pad="1"/>
</signal>
<signal name="N$16">
<contactref element="SW1" pad="A1"/>
<contactref element="SW1" pad="A2"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="VBAT">
<contactref element="C1" pad="1"/>
<contactref element="IC1" pad="1"/>
<contactref element="IC2" pad="3"/>
<contactref element="F1" pad="2"/>
</signal>
<signal name="N$19">
<contactref element="IC1" pad="4"/>
<contactref element="X1" pad="PAD"/>
</signal>
<signal name="N$20">
<contactref element="IC1" pad="13"/>
<contactref element="J1" pad="2"/>
<contactref element="J2" pad="2"/>
</signal>
<signal name="GND">
<contactref element="R7" pad="1"/>
<contactref element="IC2" pad="2"/>
<contactref element="C1" pad="2"/>
<contactref element="SW1" pad="B1"/>
<contactref element="BAT1" pad="NEG"/>
<contactref element="SW1" pad="B2"/>
<contactref element="IC1" pad="14"/>
<contactref element="C2" pad="2"/>
<contactref element="J1" pad="1"/>
<contactref element="CON1" pad="B12"/>
<contactref element="CON1" pad="A12"/>
<contactref element="R9" pad="2"/>
<contactref element="R10" pad="2"/>
<contactref element="GND" pad="1"/>
<contactref element="CON1" pad="S4"/>
<contactref element="CON1" pad="S1"/>
<contactref element="CON1" pad="S2"/>
<contactref element="CON1" pad="S3"/>
</signal>
<signal name="N$14">
<contactref element="IC2" pad="5"/>
<contactref element="R7" pad="2"/>
</signal>
<signal name="VBUS">
<contactref element="C2" pad="1"/>
<contactref element="IC2" pad="4"/>
<contactref element="CON1" pad="A9"/>
<contactref element="CON1" pad="B9"/>
<contactref element="LED19" pad="A"/>
</signal>
<signal name="N$22">
<contactref element="BAT1" pad="POS"/>
<contactref element="F1" pad="1"/>
</signal>
<signal name="N$23">
<contactref element="CON1" pad="B5"/>
<contactref element="R9" pad="1"/>
</signal>
<signal name="N$24">
<contactref element="CON1" pad="A5"/>
<contactref element="R10" pad="1"/>
</signal>
<signal name="N$17">
<contactref element="LED19" pad="C"/>
<contactref element="R8" pad="2"/>
</signal>
<signal name="N$18">
<contactref element="R8" pad="1"/>
<contactref element="IC2" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
