lark-io.sch

EESchema Schematic File Version 4
LIBS:lark-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 4 4
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text HLabel 1000 5900 0    50   Input ~ 0
SND_L
Text HLabel 1000 6200 0    50   Input ~ 0
SND_R
Text HLabel 1300 2350 0    50   Input ~ 0
U1RXD
Text HLabel 1300 2700 0    50   Input ~ 0
U1TXD
Text HLabel 1300 3750 0    50   Input ~ 0
U2RXD
Text HLabel 1300 4100 0    50   Input ~ 0
U2TXD
$Comp
L pam8403:PAM8403 U11
U 1 1 5C6D5A36
P 3650 6150
F 0 "U11" H 3100 5350 60  0000 C CNN
F 1 "PAM8403" H 4250 5350 60  0000 C CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 3650 6150 60  0001 C CNN
F 3 "" H 3650 6150 60  0000 C CNN
F 4 "PAM8403DR" H 3650 6150 50  0001 C CNN "MPN"
	1    3650 6150
	1    0    0    -1  
$EndComp
$Comp
L lark-rescue:MAX3232-Interface_UART U10
U 1 1 5C6D5FF8
P 4800 2600
F 0 "U10" H 4350 1500 50  0000 C CNN
F 1 "MAX3232" H 5200 1500 50  0000 C CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 4850 1550 50  0001 L CNN
F 3 "https://datasheets.maximintegrated.com/en/ds/MAX3222-MAX3241.pdf" H 4800 2700 50  0001 C CNN
F 4 "MAX3232ECDR" H 4800 2600 50  0001 C CNN "MPN"
	1    4800 2600
	1    0    0    -1  
$EndComp
$Comp
L lark-rescue:54602-908LF-dk_Modular-Connectors-Jacks J7
U 1 1 5C6D6815
P 9150 2050
AR Path="/5C6D6815" Ref="J7"  Part="1" 
AR Path="/5C549AF9/5C6D6815" Ref="J7"  Part="1" 
F 0 "J7" V 9246 1595 50  0000 R CNN
F 1 "54602-908LF" V 9155 1595 50  0000 R CNN
F 2 "libs:634108185521" H 9350 2250 50  0001 L CNN
F 3 "" H 9350 2350 60  0001 L CNN
F 4 "609-1046-ND" H 9350 2450 60  0001 L CNN "Digi-Key_PN"
F 5 "54602-908LF" H 9350 2550 60  0001 L CNN "MPN"
F 6 "Connectors, Interconnects" H 9350 2650 60  0001 L CNN "Category"
F 7 "Modular Connectors - Jacks" H 9350 2750 60  0001 L CNN "Family"
F 8 "" H 9350 2850 60  0001 L CNN "DK_Datasheet_Link"
F 9 "/product-detail/en/amphenol-fci/54602-908LF/609-1046-ND/1001360" H 9350 2950 60  0001 L CNN "DK_Detail_Page"
F 10 "CONN MOD JACK 8P8C R/A UNSHLD" H 9350 3050 60  0001 L CNN "Description"
F 11 "Amphenol FCI" H 9350 3150 60  0001 L CNN "Manufacturer"
F 12 "Active" H 9350 3250 60  0001 L CNN "Status"
	1    9150 2050
	0    -1   -1   0   
$EndComp
$Comp
L lark-rescue:54602-908LF-dk_Modular-Connectors-Jacks J8
U 1 1 5C6D6947
P 9150 3550
AR Path="/5C6D6947" Ref="J8"  Part="1" 
AR Path="/5C549AF9/5C6D6947" Ref="J8"  Part="1" 
F 0 "J8" V 9246 3095 50  0000 R CNN
F 1 "54602-908LF" V 9155 3095 50  0000 R CNN
F 2 "libs:634108185521" H 9350 3750 50  0001 L CNN
F 3 "" H 9350 3850 60  0001 L CNN
F 4 "609-1046-ND" H 9350 3950 60  0001 L CNN "Digi-Key_PN"
F 5 "54602-908LF" H 9350 4050 60  0001 L CNN "MPN"
F 6 "Connectors, Interconnects" H 9350 4150 60  0001 L CNN "Category"
F 7 "Modular Connectors - Jacks" H 9350 4250 60  0001 L CNN "Family"
F 8 "" H 9350 4350 60  0001 L CNN "DK_Datasheet_Link"
F 9 "/product-detail/en/amphenol-fci/54602-908LF/609-1046-ND/1001360" H 9350 4450 60  0001 L CNN "DK_Detail_Page"
F 10 "CONN MOD JACK 8P8C R/A UNSHLD" H 9350 4550 60  0001 L CNN "Description"
F 11 "Amphenol FCI" H 9350 4650 60  0001 L CNN "Manufacturer"
F 12 "Active" H 9350 4750 60  0001 L CNN "Status"
	1    9150 3550
	0    -1   -1   0   
$EndComp
$Comp
L lark-rescue:Polyfuse-Device F3
U 1 1 5C55A114
P 8300 3250
F 0 "F3" V 8075 3250 50  0000 C CNN
F 1 "1.25A/16V" V 8166 3250 50  0000 C CNN
F 2 "Fuse:Fuse_1812_4532Metric_Pad1.30x3.40mm_HandSolder" H 8350 3050 50  0001 L CNN
F 3 "~" H 8300 3250 50  0001 C CNN
F 4 "1812L125/16DR " V 8300 3250 50  0001 C CNN "MPN"
	1    8300 3250
	0    1    1    0   
$EndComp
$Comp
L lark-rescue:R-Device R27
U 1 1 5C55A24F
P 1650 2350
F 0 "R27" V 1443 2350 50  0000 C CNN
F 1 "470R" V 1534 2350 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1580 2350 50  0001 C CNN
F 3 "~" H 1650 2350 50  0001 C CNN
F 4 "RC0805FR-07470RL" V 1650 2350 50  0001 C CNN "MPN"
	1    1650 2350
	0    1    1    0   
$EndComp
$Comp
L lark-rescue:R-Device R28
U 1 1 5C55A29E
P 1650 2700
F 0 "R28" V 1443 2700 50  0000 C CNN
F 1 "470R" V 1534 2700 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1580 2700 50  0001 C CNN
F 3 "~" H 1650 2700 50  0001 C CNN
F 4 "RC0805FR-07470RL" V 1650 2700 50  0001 C CNN "MPN"
	1    1650 2700
	0    1    1    0   
$EndComp
$Comp
L lark-rescue:Conn_01x04-Connector_Generic J9
U 1 1 5C55B4E7
P 5700 6000
F 0 "J9" H 5780 5992 50  0000 L CNN
F 1 "SOUND" H 5780 5901 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" H 5700 6000 50  0001 C CNN
F 3 "~" H 5700 6000 50  0001 C CNN
	1    5700 6000
	1    0    0    -1  
$EndComp
$Comp
L lark-rescue:SJ1-3523N-dk_Barrel-Audio-Connectors CON1
U 1 1 5C55B74E
P 5600 6900
AR Path="/5C55B74E" Ref="CON1"  Part="1" 
AR Path="/5C549AF9/5C55B74E" Ref="CON1"  Part="1" 
F 0 "CON1" H 5273 6953 60  0000 R CNN
F 1 "SJ1-3523N" H 5273 6847 60  0000 R CNN
F 2 "digikey-footprints:Headphone_Jack_2.5mm_SJ1-3523N" H 5800 7100 60  0001 L CNN
F 3 "https://www.cui.com/product/resource/digikeypdf/sj1-352xn_series.pdf" H 5800 7200 60  0001 L CNN
F 4 "CP1-3523N-ND" H 5800 7300 60  0001 L CNN "Digi-Key_PN"
F 5 "SJ1-3523N" H 5800 7400 60  0001 L CNN "MPN"
F 6 "Connectors, Interconnects" H 5800 7500 60  0001 L CNN "Category"
F 7 "Barrel - Audio Connectors" H 5800 7600 60  0001 L CNN "Family"
F 8 "https://www.cui.com/product/resource/digikeypdf/sj1-352xn_series.pdf" H 5800 7700 60  0001 L CNN "DK_Datasheet_Link"
F 9 "/product-detail/en/cui-inc/SJ1-3523N/CP1-3523N-ND/738689" H 5800 7800 60  0001 L CNN "DK_Detail_Page"
F 10 "CONN JACK STEREO 3.5MM R/A" H 5800 7900 60  0001 L CNN "Description"
F 11 "CUI Inc." H 5800 8000 60  0001 L CNN "Manufacturer"
F 12 "Active" H 5800 8100 60  0001 L CNN "Status"
	1    5600 6900
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4750 6000 5500 6000
Wire Wire Line
	4850 6250 4850 6100
Wire Wire Line
	4850 6100 5500 6100
Wire Wire Line
	4950 6400 4950 6200
Wire Wire Line
	4950 6200 5500 6200
Wire Wire Line
	5050 6900 5050 5900
Wire Wire Line
	5050 5900 5500 5900
NoConn ~ 5500 6800
$Comp
L lark-rescue:GND-power #PWR050
U 1 1 5C55C2EC
P 3400 7300
F 0 "#PWR050" H 3400 7050 50  0001 C CNN
F 1 "GND" H 3405 7127 50  0000 C CNN
F 2 "" H 3400 7300 50  0001 C CNN
F 3 "" H 3400 7300 50  0001 C CNN
	1    3400 7300
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 7100 3400 7200
Wire Wire Line
	3400 7200 3750 7200
Wire Wire Line
	3750 7200 3750 7100
Connection ~ 3400 7200
Wire Wire Line
	3400 7200 3400 7300
Wire Wire Line
	3750 7200 3950 7200
Wire Wire Line
	3950 7200 3950 7100
Connection ~ 3750 7200
$Comp
L lark-rescue:C-Device C41
U 1 1 5C55CA57
P 6000 1850
F 0 "C41" H 6115 1896 50  0000 L CNN
F 1 "100n" H 6115 1805 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 6038 1700 50  0001 C CNN
F 3 "~" H 6000 1850 50  0001 C CNN
F 4 "885012207128" H 6000 1850 50  0001 C CNN "MPN"
	1    6000 1850
	1    0    0    -1  
$EndComp
$Comp
L lark-rescue:C-Device C40
U 1 1 5C55CA9D
P 3600 1850
F 0 "C40" H 3715 1896 50  0000 L CNN
F 1 "100n" H 3715 1805 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3638 1700 50  0001 C CNN
F 3 "~" H 3600 1850 50  0001 C CNN
F 4 "885012207128" H 3600 1850 50  0001 C CNN "MPN"
	1    3600 1850
	1    0    0    -1  
$EndComp
$Comp
L lark-rescue:C-Device C39
U 1 1 5C55CAEA
P 5250 1000
F 0 "C39" H 5365 1046 50  0000 L CNN
F 1 "100n" H 5365 955 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 5288 850 50  0001 C CNN
F 3 "~" H 5250 1000 50  0001 C CNN
F 4 "885012207128" H 5250 1000 50  0001 C CNN "MPN"
	1    5250 1000
	1    0    0    -1  
$EndComp
$Comp
L lark-rescue:GND-power #PWR043
U 1 1 5C55CC71
P 5250 1250
F 0 "#PWR043" H 5250 1000 50  0001 C CNN
F 1 "GND" H 5255 1077 50  0000 C CNN
F 2 "" H 5250 1250 50  0001 C CNN
F 3 "" H 5250 1250 50  0001 C CNN
	1    5250 1250
	1    0    0    -1  
$EndComp
$Comp
L lark-rescue:C-Device C42
U 1 1 5C55CCBE
P 6400 2200
F 0 "C42" V 6148 2200 50  0000 C CNN
F 1 "100n" V 6239 2200 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 6438 2050 50  0001 C CNN
F 3 "~" H 6400 2200 50  0001 C CNN
F 4 "885012207128" V 6400 2200 50  0001 C CNN "MPN"
	1    6400 2200
	0    1    1    0   
$EndComp
$Comp
L lark-rescue:C-Device C43
U 1 1 5C55CF99
P 6400 2600
F 0 "C43" V 6148 2600 50  0000 C CNN
F 1 "100n" V 6239 2600 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 6438 2450 50  0001 C CNN
F 3 "~" H 6400 2600 50  0001 C CNN
F 4 "885012207128" V 6400 2600 50  0001 C CNN "MPN"
	1    6400 2600
	0    1    1    0   
$EndComp
$Comp
L lark-rescue:Polyfuse-Device F2
U 1 1 5C55DC01
P 8300 1750
F 0 "F2" V 8075 1750 50  0000 C CNN
F 1 "1.25A/16V" V 8166 1750 50  0000 C CNN
F 2 "Fuse:Fuse_1812_4532Metric_Pad1.30x3.40mm_HandSolder" H 8350 1550 50  0001 L CNN
F 3 "~" H 8300 1750 50  0001 C CNN
F 4 "1812L125/16DR " V 8300 1750 50  0001 C CNN "MPN"
	1    8300 1750
	0    1    1    0   
$EndComp
$Comp
L lark-rescue:+12V-power #PWR044
U 1 1 5C55DEDC
P 8000 1450
F 0 "#PWR044" H 8000 1300 50  0001 C CNN
F 1 "+12V" H 8015 1623 50  0000 C CNN
F 2 "" H 8000 1450 50  0001 C CNN
F 3 "" H 8000 1450 50  0001 C CNN
	1    8000 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	8000 1450 8000 1750
Wire Wire Line
	8000 1750 8150 1750
Wire Wire Line
	8150 3250 8000 3250
Wire Wire Line
	8000 3250 8000 1750
Connection ~ 8000 1750
Wire Wire Line
	8450 1750 8650 1750
Wire Wire Line
	8750 1650 8650 1650
Wire Wire Line
	8650 1650 8650 1750
Connection ~ 8650 1750
Wire Wire Line
	8650 1750 8750 1750
Wire Wire Line
	8450 3250 8650 3250
Wire Wire Line
	8750 3150 8650 3150
Wire Wire Line
	8650 3150 8650 3250
Connection ~ 8650 3250
Wire Wire Line
	8650 3250 8750 3250
Wire Wire Line
	1800 2350 2350 2350
Wire Wire Line
	2350 2350 2350 2250
Wire Wire Line
	4000 3100 2350 3100
Wire Wire Line
	2350 3100 2350 2350
Connection ~ 2350 2350
$Comp
L lark-rescue:R-Device R31
U 1 1 5C56310B
P 1650 3750
F 0 "R31" V 1443 3750 50  0000 C CNN
F 1 "470R" V 1534 3750 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1580 3750 50  0001 C CNN
F 3 "~" H 1650 3750 50  0001 C CNN
F 4 "RC0805FR-07470RL" V 1650 3750 50  0001 C CNN "MPN"
	1    1650 3750
	0    1    1    0   
$EndComp
$Comp
L lark-rescue:R-Device R32
U 1 1 5C5631FD
P 1650 4100
F 0 "R32" V 1443 4100 50  0000 C CNN
F 1 "470R" V 1534 4100 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1580 4100 50  0001 C CNN
F 3 "~" H 1650 4100 50  0001 C CNN
F 4 "RC0805FR-07470RL" V 1650 4100 50  0001 C CNN "MPN"
	1    1650 4100
	0    1    1    0   
$EndComp
Wire Wire Line
	1800 3750 3000 3750
Wire Wire Line
	3000 3750 3000 3300
Wire Wire Line
	3000 3300 4000 3300
Wire Wire Line
	1800 4100 3400 4100
Wire Wire Line
	3400 4100 3400 2900
Wire Wire Line
	3400 2900 4000 2900
Wire Wire Line
	1300 3750 1500 3750
Wire Wire Line
	1500 4100 1300 4100
Wire Wire Line
	1300 2700 1500 2700
Wire Wire Line
	1500 2350 1300 2350
Wire Wire Line
	5250 1250 5250 1150
Wire Wire Line
	5250 850  4800 850 
Wire Wire Line
	4800 850  4800 1400
$Comp
L lark-rescue:VDD-power #PWR042
U 1 1 5C56DC3F
P 4800 850
F 0 "#PWR042" H 4800 700 50  0001 C CNN
F 1 "VDD" H 4817 1023 50  0000 C CNN
F 2 "" H 4800 850 50  0001 C CNN
F 3 "" H 4800 850 50  0001 C CNN
	1    4800 850 
	1    0    0    -1  
$EndComp
Connection ~ 4800 850 
$Comp
L lark-rescue:GND-power #PWR046
U 1 1 5C56DCDC
P 4800 4000
F 0 "#PWR046" H 4800 3750 50  0001 C CNN
F 1 "GND" H 4805 3827 50  0000 C CNN
F 2 "" H 4800 4000 50  0001 C CNN
F 3 "" H 4800 4000 50  0001 C CNN
	1    4800 4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	5600 1700 6000 1700
Wire Wire Line
	6000 2000 5600 2000
Wire Wire Line
	4000 1700 3600 1700
Wire Wire Line
	3600 2000 4000 2000
Wire Wire Line
	5600 2200 6250 2200
Wire Wire Line
	5900 2600 5900 2500
Wire Wire Line
	5900 2500 5600 2500
Wire Wire Line
	5900 2600 6250 2600
Wire Wire Line
	4800 3800 4800 3900
Wire Wire Line
	4800 3900 7000 3900
Wire Wire Line
	7000 3900 7000 3750
Wire Wire Line
	7000 2250 8650 2250
Connection ~ 4800 3900
Wire Wire Line
	4800 3900 4800 4000
Wire Wire Line
	8750 2350 8650 2350
Wire Wire Line
	8650 2350 8650 2250
Connection ~ 8650 2250
Wire Wire Line
	8650 2250 8750 2250
Wire Wire Line
	8750 3750 8650 3750
Connection ~ 7000 3750
Wire Wire Line
	7000 3750 7000 2600
Wire Wire Line
	8650 3750 8650 3850
Wire Wire Line
	8650 3850 8750 3850
Connection ~ 8650 3750
Wire Wire Line
	8650 3750 7000 3750
Wire Wire Line
	6550 2200 7000 2200
Wire Wire Line
	7000 2200 7000 2250
Connection ~ 7000 2250
Wire Wire Line
	6550 2600 7000 2600
Connection ~ 7000 2600
Wire Wire Line
	7000 2600 7000 2250
Wire Wire Line
	7700 2700 7700 2150
Wire Wire Line
	7700 2150 8750 2150
Wire Wire Line
	5600 2700 7700 2700
Wire Wire Line
	8750 2050 7600 2050
Wire Wire Line
	7600 2050 7600 3100
Wire Wire Line
	7600 3100 5600 3100
Wire Wire Line
	5600 3300 7600 3300
Wire Wire Line
	7600 3300 7600 3550
Wire Wire Line
	7600 3550 8750 3550
Wire Wire Line
	8750 3650 7700 3650
Wire Wire Line
	7700 3650 7700 2900
Wire Wire Line
	7700 2900 5600 2900
NoConn ~ 8750 1850
NoConn ~ 8750 1950
NoConn ~ 8750 3350
NoConn ~ 8750 3450
Wire Wire Line
	4750 6000 4750 6050
Wire Wire Line
	5050 5900 4600 5900
Connection ~ 5050 5900
Wire Wire Line
	4600 6050 4750 6050
Connection ~ 4750 6050
Wire Wire Line
	4750 6050 4750 7000
Wire Wire Line
	4850 6250 4600 6250
Wire Wire Line
	4600 6400 4950 6400
NoConn ~ 3550 7100
$Comp
L lark-rescue:+5V-power #PWR047
U 1 1 5C5A9040
P 3400 4800
F 0 "#PWR047" H 3400 4650 50  0001 C CNN
F 1 "+5V" H 3415 4973 50  0000 C CNN
F 2 "" H 3400 4800 50  0001 C CNN
F 3 "" H 3400 4800 50  0001 C CNN
	1    3400 4800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 4800 3400 4850
Connection ~ 3400 4850
Wire Wire Line
	3400 4850 3400 5300
$Comp
L lark-rescue:C-Device C44
U 1 1 5C5B142F
P 3050 5100
F 0 "C44" H 3165 5146 50  0000 L CNN
F 1 "100n" H 3165 5055 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3088 4950 50  0001 C CNN
F 3 "~" H 3050 5100 50  0001 C CNN
F 4 "885012207128" H 3050 5100 50  0001 C CNN "MPN"
	1    3050 5100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 4850 3650 4850
Wire Wire Line
	3050 4850 3050 4950
Wire Wire Line
	3050 4850 3400 4850
Wire Wire Line
	3650 5300 3650 4850
Connection ~ 3650 4850
Wire Wire Line
	3650 4850 3900 4850
Wire Wire Line
	3900 5300 3900 4850
Connection ~ 3900 4850
Wire Wire Line
	3900 4850 4050 4850
Wire Wire Line
	4050 4950 4050 4850
$Comp
L lark-rescue:GND-power #PWR049
U 1 1 5C5EF347
P 4050 5350
F 0 "#PWR049" H 4050 5100 50  0001 C CNN
F 1 "GND" H 4055 5177 50  0000 C CNN
F 2 "" H 4050 5350 50  0001 C CNN
F 3 "" H 4050 5350 50  0001 C CNN
	1    4050 5350
	1    0    0    -1  
$EndComp
$Comp
L lark-rescue:GND-power #PWR048
U 1 1 5C5EF3AE
P 3050 5350
F 0 "#PWR048" H 3050 5100 50  0001 C CNN
F 1 "GND" H 3055 5177 50  0000 C CNN
F 2 "" H 3050 5350 50  0001 C CNN
F 3 "" H 3050 5350 50  0001 C CNN
	1    3050 5350
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 5250 4050 5350
Wire Wire Line
	3050 5250 3050 5350
$Comp
L lark-rescue:C-Device C47
U 1 1 5C5FA3E9
P 2450 5900
F 0 "C47" V 2198 5900 50  0000 C CNN
F 1 "470n" V 2289 5900 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2488 5750 50  0001 C CNN
F 3 "~" H 2450 5900 50  0001 C CNN
F 4 "885012207102" V 2450 5900 50  0001 C CNN "MPN"
	1    2450 5900
	0    1    1    0   
$EndComp
$Comp
L lark-rescue:C-Device C48
U 1 1 5C5FA49A
P 1900 6200
F 0 "C48" V 1648 6200 50  0000 C CNN
F 1 "470n" V 1739 6200 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 1938 6050 50  0001 C CNN
F 3 "~" H 1900 6200 50  0001 C CNN
F 4 "885012207102" V 1900 6200 50  0001 C CNN "MPN"
	1    1900 6200
	0    1    1    0   
$EndComp
Wire Wire Line
	2850 6350 2750 6350
Wire Wire Line
	2750 6350 2750 4850
Wire Wire Line
	2750 4850 3050 4850
Connection ~ 3050 4850
Wire Wire Line
	2850 6500 2750 6500
Wire Wire Line
	2750 6500 2750 6350
Connection ~ 2750 6350
$Comp
L lark-rescue:C-Device C49
U 1 1 5C605E58
P 2650 6900
F 0 "C49" H 2765 6946 50  0000 L CNN
F 1 "100n" H 2765 6855 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 2688 6750 50  0001 C CNN
F 3 "~" H 2650 6900 50  0001 C CNN
F 4 "885012207128" H 2650 6900 50  0001 C CNN "MPN"
	1    2650 6900
	1    0    0    -1  
$EndComp
Wire Wire Line
	2850 6050 2650 6050
Wire Wire Line
	2650 6050 2650 6750
Wire Wire Line
	2650 7050 2650 7200
Wire Wire Line
	2650 7200 3400 7200
$Comp
L lark-rescue:R-Device R33
U 1 1 5C617464
P 1250 5900
F 0 "R33" V 1043 5900 50  0000 C CNN
F 1 "10k" V 1134 5900 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1180 5900 50  0001 C CNN
F 3 "~" H 1250 5900 50  0001 C CNN
F 4 "RC0805FR-0710KL" V 1250 5900 50  0001 C CNN "MPN"
	1    1250 5900
	0    1    1    0   
$EndComp
$Comp
L lark-rescue:R-Device R34
U 1 1 5C617539
P 1250 6200
F 0 "R34" V 1043 6200 50  0000 C CNN
F 1 "10k" V 1134 6200 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1180 6200 50  0001 C CNN
F 3 "~" H 1250 6200 50  0001 C CNN
F 4 "RC0805FR-0710KL" V 1250 6200 50  0001 C CNN "MPN"
	1    1250 6200
	0    1    1    0   
$EndComp
$Comp
L lark-rescue:R-Device R35
U 1 1 5C6175DA
P 1600 6350
F 0 "R35" H 1670 6396 50  0000 L CNN
F 1 "1k" H 1670 6305 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1530 6350 50  0001 C CNN
F 3 "~" H 1600 6350 50  0001 C CNN
F 4 "RC0805FR-071KL" H 1600 6350 50  0001 C CNN "MPN"
	1    1600 6350
	1    0    0    -1  
$EndComp
$Comp
L lark-rescue:R-Device R36
U 1 1 5C6176D6
P 2200 6500
F 0 "R36" H 2270 6546 50  0000 L CNN
F 1 "1k" H 2270 6455 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2130 6500 50  0001 C CNN
F 3 "~" H 2200 6500 50  0001 C CNN
F 4 "RC0805FR-071KL" H 2200 6500 50  0001 C CNN "MPN"
	1    2200 6500
	1    0    0    -1  
$EndComp
Wire Wire Line
	1400 5900 2200 5900
Wire Wire Line
	2600 5900 2850 5900
Wire Wire Line
	2200 6350 2200 5900
Connection ~ 2200 5900
Wire Wire Line
	2200 5900 2300 5900
Wire Wire Line
	2050 6200 2850 6200
Wire Wire Line
	1400 6200 1600 6200
Wire Wire Line
	1600 6200 1750 6200
Connection ~ 1600 6200
Wire Wire Line
	1600 6500 1600 7200
Wire Wire Line
	1600 7200 2200 7200
Connection ~ 2650 7200
Wire Wire Line
	2200 6650 2200 7200
Connection ~ 2200 7200
Wire Wire Line
	2200 7200 2650 7200
Wire Wire Line
	1100 5900 1000 5900
Wire Wire Line
	1000 6200 1100 6200
Wire Wire Line
	5050 6900 5200 6900
Wire Wire Line
	5200 7000 4750 7000
NoConn ~ 5200 6800
$Comp
L lark-rescue:C-Device C45
U 1 1 5C5B14AD
P 4050 5100
F 0 "C45" H 4165 5146 50  0000 L CNN
F 1 "100n" H 4165 5055 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4088 4950 50  0001 C CNN
F 3 "~" H 4050 5100 50  0001 C CNN
F 4 "885012207128" H 4050 5100 50  0001 C CNN "MPN"
	1    4050 5100
	1    0    0    -1  
$EndComp
Wire Wire Line
	1800 2700 4000 2700
$EndSCHEMATC