EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:electropepper_kicad
LIBS:ftdi
LIBS:switches
LIBS:nmm1-cache
EELAYER 25 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 1 1
Title "NMM-1"
Date ""
Rev "A"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L ATMEGA328P-A U5
U 1 1 587FFE62
P 8625 5500
F 0 "U5" H 7875 6750 50  0000 L BNN
F 1 "ATMEGA328P-A" H 8875 4100 50  0000 L BNN
F 2 "Housings_QFP:TQFP-32_7x7mm_Pitch0.8mm" H 8625 5500 50  0001 C CIN
F 3 "" H 8625 5500 50  0000 C CNN
	1    8625 5500
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR01
U 1 1 58800040
P 10975 5300
F 0 "#PWR01" H 10975 5050 50  0001 C CNN
F 1 "GND" H 10975 5150 50  0000 C CNN
F 2 "" H 10975 5300 50  0000 C CNN
F 3 "" H 10975 5300 50  0000 C CNN
	1    10975 5300
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR02
U 1 1 58800BCC
P 7625 6800
F 0 "#PWR02" H 7625 6550 50  0001 C CNN
F 1 "GND" H 7625 6650 50  0000 C CNN
F 2 "" H 7625 6800 50  0000 C CNN
F 3 "" H 7625 6800 50  0000 C CNN
	1    7625 6800
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR03
U 1 1 58800C5F
P 7525 4200
F 0 "#PWR03" H 7525 4050 50  0001 C CNN
F 1 "+3V3" H 7525 4340 50  0000 C CNN
F 2 "" H 7525 4200 50  0000 C CNN
F 3 "" H 7525 4200 50  0000 C CNN
	1    7525 4200
	1    0    0    -1  
$EndComp
$Comp
L FT232RL U2
U 1 1 588015E2
P 5325 5550
F 0 "U2" H 4675 6450 50  0000 L CNN
F 1 "FT232RL" H 5625 4650 50  0000 L CNN
F 2 "Housings_SSOP:SSOP-28_5.3x10.2mm_Pitch0.65mm" H 5325 5550 50  0001 C CNN
F 3 "" H 5325 5550 50  0000 C CNN
	1    5325 5550
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR04
U 1 1 588017A5
P 5425 6700
F 0 "#PWR04" H 5425 6450 50  0001 C CNN
F 1 "GND" H 5425 6550 50  0000 C CNN
F 2 "" H 5425 6700 50  0000 C CNN
F 3 "" H 5425 6700 50  0000 C CNN
	1    5425 6700
	1    0    0    -1  
$EndComp
$Comp
L R R7
U 1 1 58801EE8
P 10300 6350
F 0 "R7" H 10400 6250 50  0000 C CNN
F 1 "1K" H 10200 6450 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 10200 6400 50  0001 C CNN
F 3 "" H 10300 6350 50  0000 C CNN
	1    10300 6350
	-1   0    0    1   
$EndComp
$Comp
L R R9
U 1 1 588021DF
P 10925 6250
F 0 "R9" H 10875 6100 50  0000 C CNN
F 1 "10K" H 10825 6400 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 10855 6250 50  0001 C CNN
F 3 "" H 10925 6250 50  0000 C CNN
	1    10925 6250
	-1   0    0    1   
$EndComp
$Comp
L USB_OTG P1
U 1 1 58815603
P 2725 5150
F 0 "P1" V 3025 5100 50  0000 C CNN
F 1 "USB_OTG" V 2425 5150 50  0000 C CNN
F 2 "Connectors:USB_Mini-B" V 2675 5050 50  0001 C CNN
F 3 "" V 2675 5050 50  0000 C CNN
	1    2725 5150
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR05
U 1 1 588157DF
P 3125 5450
F 0 "#PWR05" H 3125 5200 50  0001 C CNN
F 1 "GND" H 3125 5300 50  0000 C CNN
F 2 "" H 3125 5450 50  0000 C CNN
F 3 "" H 3125 5450 50  0000 C CNN
	1    3125 5450
	1    0    0    -1  
$EndComp
$Comp
L C C2
U 1 1 58815C2D
P 3475 6000
F 0 "C2" H 3500 6100 50  0000 L CNN
F 1 "100nF" H 3500 5900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 3513 5850 50  0001 C CNN
F 3 "" H 3475 6000 50  0000 C CNN
	1    3475 6000
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR06
U 1 1 58815D7B
P 3475 6200
F 0 "#PWR06" H 3475 5950 50  0001 C CNN
F 1 "GND" H 3475 6050 50  0000 C CNN
F 2 "" H 3475 6200 50  0000 C CNN
F 3 "" H 3475 6200 50  0000 C CNN
	1    3475 6200
	1    0    0    -1  
$EndComp
$Comp
L Crystal X1
U 1 1 58816282
P 4225 5850
F 0 "X1" V 4075 5750 50  0000 C CNN
F 1 "12Mhz" V 4475 5900 50  0000 C CNN
F 2 "Crystals:Crystal_SMD_HC49-SD" H 4225 5850 50  0001 C CNN
F 3 "" H 4225 5850 50  0000 C CNN
	1    4225 5850
	0    1    1    0   
$EndComp
$Comp
L Jumper_NO_Small JP2
U 1 1 588171AD
P 5225 4400
F 0 "JP2" V 5175 4300 50  0000 C CNN
F 1 "Jumper" V 5325 4250 50  0000 C CNN
F 2 "Connectors:GS2" H 5225 4400 50  0001 C CNN
F 3 "" H 5225 4400 50  0000 C CNN
	1    5225 4400
	0    1    1    0   
$EndComp
$Comp
L Jumper3 JP1
U 1 1 58817926
P 4725 4150
F 0 "JP1" V 4725 4000 60  0000 C CNN
F 1 "Jumper3" V 4825 4300 39  0000 C CNN
F 2 "Connectors:GS3" H 4825 4150 60  0001 C CNN
F 3 "" H 4825 4150 60  0001 C CNN
	1    4725 4150
	0    1    1    0   
$EndComp
$Comp
L +3V3 #PWR07
U 1 1 58818331
P 4725 3950
F 0 "#PWR07" H 4725 3800 50  0001 C CNN
F 1 "+3V3" H 4725 4090 50  0000 C CNN
F 2 "" H 4725 3950 50  0000 C CNN
F 3 "" H 4725 3950 50  0000 C CNN
	1    4725 3950
	1    0    0    -1  
$EndComp
$Comp
L Crystal X2
U 1 1 588196A3
P 10375 5050
F 0 "X2" V 10225 4950 50  0000 C CNN
F 1 "8Mhz" V 10625 5050 50  0000 C CNN
F 2 "Crystals:Crystal_SMD_HC49-SD" H 10375 5050 50  0001 C CNN
F 3 "" H 10375 5050 50  0000 C CNN
	1    10375 5050
	0    1    1    0   
$EndComp
$Comp
L C C10
U 1 1 58819B31
P 10725 4850
F 0 "C10" V 10575 4775 50  0000 L CNN
F 1 "22pF" V 10875 4750 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 10763 4700 50  0001 C CNN
F 3 "" H 10725 4850 50  0000 C CNN
	1    10725 4850
	0    1    1    0   
$EndComp
$Comp
L C C11
U 1 1 58819C1C
P 10725 5250
F 0 "C11" V 10675 5050 50  0000 L CNN
F 1 "22pF" V 10875 5150 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 10763 5100 50  0001 C CNN
F 3 "" H 10725 5250 50  0000 C CNN
	1    10725 5250
	0    1    1    0   
$EndComp
$Comp
L +3V3 #PWR08
U 1 1 5881BF45
P 10925 6050
F 0 "#PWR08" H 10925 5900 50  0001 C CNN
F 1 "+3V3" H 10925 6190 50  0000 C CNN
F 2 "" H 10925 6050 50  0000 C CNN
F 3 "" H 10925 6050 50  0000 C CNN
	1    10925 6050
	1    0    0    -1  
$EndComp
Text Label 11225 6450 0    60   ~ 0
RESET
$Comp
L GND #PWR09
U 1 1 5881D109
P 7625 5400
F 0 "#PWR09" H 7625 5150 50  0001 C CNN
F 1 "GND" H 7625 5250 50  0000 C CNN
F 2 "" H 7625 5400 50  0000 C CNN
F 3 "" H 7625 5400 50  0000 C CNN
	1    7625 5400
	1    0    0    -1  
$EndComp
$Comp
L LED D2
U 1 1 5881DC19
P 7150 6050
F 0 "D2" H 7150 5950 50  0000 C CNN
F 1 "LED" H 7025 6100 50  0000 C CNN
F 2 "LEDs:LED_PLCC-2" H 7150 6050 50  0001 C CNN
F 3 "" H 7150 6050 50  0000 C CNN
	1    7150 6050
	-1   0    0    1   
$EndComp
$Comp
L +3V3 #PWR010
U 1 1 5881E300
P 6525 5675
F 0 "#PWR010" H 6525 5525 50  0001 C CNN
F 1 "+3V3" H 6525 5815 50  0000 C CNN
F 2 "" H 6525 5675 50  0000 C CNN
F 3 "" H 6525 5675 50  0000 C CNN
	1    6525 5675
	1    0    0    -1  
$EndComp
$Comp
L R R8
U 1 1 5881F228
P 10550 6350
F 0 "R8" H 10650 6250 50  0000 C CNN
F 1 "1K" H 10450 6450 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 10450 6400 50  0001 C CNN
F 3 "" H 10550 6350 50  0000 C CNN
	1    10550 6350
	-1   0    0    1   
$EndComp
NoConn ~ 6125 6250
NoConn ~ 6125 6150
NoConn ~ 6125 6050
$Comp
L SW_Push SW4
U 1 1 58821233
P 10925 6700
F 0 "SW4" V 11025 6800 50  0000 L CNN
F 1 "SW_Push" V 10925 6500 50  0000 C CNN
F 2 "Buttons_Switches_SMD:SW_SPST_B3S-1000" H 10925 6900 50  0001 C CNN
F 3 "" H 10925 6900 50  0000 C CNN
	1    10925 6700
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR011
U 1 1 58821A31
P 10925 6950
F 0 "#PWR011" H 10925 6700 50  0001 C CNN
F 1 "GND" H 10925 6800 50  0000 C CNN
F 2 "" H 10925 6950 50  0000 C CNN
F 3 "" H 10925 6950 50  0000 C CNN
	1    10925 6950
	1    0    0    -1  
$EndComp
Text Label 6625 5250 0    60   ~ 0
RESET
NoConn ~ 6125 5050
NoConn ~ 6125 5150
NoConn ~ 6125 5350
NoConn ~ 6125 5450
NoConn ~ 6125 5550
$Comp
L CONN_02X03 P4
U 1 1 58823534
P 9400 3750
F 0 "P4" H 9400 3950 50  0000 C CNN
F 1 "CONN_02X03" H 9400 3550 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_2x03_Pitch2.54mm" H 9450 3700 50  0001 C CNN
F 3 "" H 9400 2550 50  0000 C CNN
	1    9400 3750
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR012
U 1 1 588241EB
P 8925 3600
F 0 "#PWR012" H 8925 3450 50  0001 C CNN
F 1 "+3V3" H 8925 3740 50  0000 C CNN
F 2 "" H 8925 3600 50  0000 C CNN
F 3 "" H 8925 3600 50  0000 C CNN
	1    8925 3600
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR013
U 1 1 58824336
P 8925 3925
F 0 "#PWR013" H 8925 3675 50  0001 C CNN
F 1 "GND" H 8925 3775 50  0000 C CNN
F 2 "" H 8925 3925 50  0000 C CNN
F 3 "" H 8925 3925 50  0000 C CNN
	1    8925 3925
	1    0    0    -1  
$EndComp
Text Label 8825 3750 0    60   ~ 0
RESET
$Comp
L C C7
U 1 1 58825549
P 7275 4400
F 0 "C7" V 7375 4500 50  0000 L CNN
F 1 "100nF" V 7125 4250 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 7313 4250 50  0001 C CNN
F 3 "" H 7275 4400 50  0000 C CNN
	1    7275 4400
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR014
U 1 1 588259C0
P 7075 4550
F 0 "#PWR014" H 7075 4300 50  0001 C CNN
F 1 "GND" H 7075 4400 50  0000 C CNN
F 2 "" H 7075 4550 50  0000 C CNN
F 3 "" H 7075 4550 50  0000 C CNN
	1    7075 4550
	1    0    0    -1  
$EndComp
$Comp
L MCP73831 U1
U 1 1 5887F26B
P 4575 3150
F 0 "U1" H 4350 3400 60  0000 C CNN
F 1 "MCP73831" H 4625 2900 60  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-23-5" H 4575 3225 60  0001 C CNN
F 3 "" H 4575 3225 60  0001 C CNN
	1    4575 3150
	1    0    0    -1  
$EndComp
$Comp
L R R1
U 1 1 58883862
P 3875 3275
F 0 "R1" V 3800 3225 50  0000 C CNN
F 1 "470R" V 3950 3275 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 3805 3275 50  0001 C CNN
F 3 "" H 3875 3275 50  0000 C CNN
	1    3875 3275
	0    1    1    0   
$EndComp
$Comp
L C C1
U 1 1 58885F04
P 3100 3225
F 0 "C1" H 2975 3350 50  0000 L CNN
F 1 "4.7uF" H 2875 3100 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 3138 3075 50  0001 C CNN
F 3 "" H 3100 3225 50  0000 C CNN
	1    3100 3225
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR015
U 1 1 588868B7
P 3100 3450
F 0 "#PWR015" H 3100 3200 50  0001 C CNN
F 1 "GND" H 3100 3300 50  0000 C CNN
F 2 "" H 3100 3450 50  0000 C CNN
F 3 "" H 3100 3450 50  0000 C CNN
	1    3100 3450
	1    0    0    -1  
$EndComp
$Comp
L C C4
U 1 1 5888837D
P 5725 3225
F 0 "C4" H 5600 3350 50  0000 L CNN
F 1 "4.7uF" H 5500 3100 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 5763 3075 50  0001 C CNN
F 3 "" H 5725 3225 50  0000 C CNN
	1    5725 3225
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 5888A417
P 5275 3150
F 0 "R2" V 5200 3100 50  0000 C CNN
F 1 "2K" V 5350 3150 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 5205 3150 50  0001 C CNN
F 3 "" H 5275 3150 50  0000 C CNN
	1    5275 3150
	0    1    1    0   
$EndComp
$Comp
L GND #PWR016
U 1 1 5888AE3C
P 5475 3325
F 0 "#PWR016" H 5475 3075 50  0001 C CNN
F 1 "GND" H 5475 3175 50  0000 C CNN
F 2 "" H 5475 3325 50  0000 C CNN
F 3 "" H 5475 3325 50  0000 C CNN
	1    5475 3325
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR017
U 1 1 5888BD3C
P 5725 3450
F 0 "#PWR017" H 5725 3200 50  0001 C CNN
F 1 "GND" H 5725 3300 50  0000 C CNN
F 2 "" H 5725 3450 50  0000 C CNN
F 3 "" H 5725 3450 50  0000 C CNN
	1    5725 3450
	1    0    0    -1  
$EndComp
$Comp
L CONN_01X02 P3
U 1 1 58896012
P 6075 2550
F 0 "P3" V 6050 2725 50  0000 C CNN
F 1 "Battery" V 6175 2550 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" H 6075 2550 50  0001 C CNN
F 3 "" H 6075 2550 50  0000 C CNN
	1    6075 2550
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR018
U 1 1 58896C56
P 6125 2800
F 0 "#PWR018" H 6125 2550 50  0001 C CNN
F 1 "GND" H 6125 2650 50  0000 C CNN
F 2 "" H 6125 2800 50  0000 C CNN
F 3 "" H 6125 2800 50  0000 C CNN
	1    6125 2800
	1    0    0    -1  
$EndComp
$Comp
L TPS62046 U3
U 1 1 58897588
P 7300 3225
F 0 "U3" H 7100 3525 60  0000 C CNN
F 1 "TPS62046" H 7550 2925 60  0000 C CNN
F 2 "Housings_SSOP:MSOP-10-1EP_3x3mm_Pitch0.5mm" H 7320 3235 60  0001 C CNN
F 3 "" H 7320 3235 60  0001 C CNN
	1    7300 3225
	1    0    0    -1  
$EndComp
$Comp
L C C6
U 1 1 588996E9
P 6400 3225
F 0 "C6" H 6425 3325 50  0000 L CNN
F 1 "22uF" H 6425 3125 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 6438 3075 50  0001 C CNN
F 3 "" H 6400 3225 50  0000 C CNN
	1    6400 3225
	1    0    0    -1  
$EndComp
$Comp
L C C9
U 1 1 5889990B
P 8500 3250
F 0 "C9" H 8525 3350 50  0000 L CNN
F 1 "22uF" H 8525 3150 50  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 8538 3100 50  0001 C CNN
F 3 "" H 8500 3250 50  0000 C CNN
	1    8500 3250
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR019
U 1 1 58899DC7
P 6400 3525
F 0 "#PWR019" H 6400 3275 50  0001 C CNN
F 1 "GND" H 6400 3375 50  0000 C CNN
F 2 "" H 6400 3525 50  0000 C CNN
F 3 "" H 6400 3525 50  0000 C CNN
	1    6400 3525
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR020
U 1 1 5889C3E6
P 7900 3525
F 0 "#PWR020" H 7900 3275 50  0001 C CNN
F 1 "GND" H 7900 3375 50  0000 C CNN
F 2 "" H 7900 3525 50  0000 C CNN
F 3 "" H 7900 3525 50  0000 C CNN
	1    7900 3525
	1    0    0    -1  
$EndComp
$Comp
L L L1
U 1 1 5889C7D1
P 8075 3025
F 0 "L1" V 8150 3050 50  0000 C CNN
F 1 "6.2uH" V 8025 3025 50  0000 C CNN
F 2 "Electropepper parts:SRN6028" H 8075 3025 50  0001 C CNN
F 3 "" H 8075 3025 50  0000 C CNN
	1    8075 3025
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR021
U 1 1 5889CDDE
P 8500 3475
F 0 "#PWR021" H 8500 3225 50  0001 C CNN
F 1 "GND" H 8500 3325 50  0000 C CNN
F 2 "" H 8500 3475 50  0000 C CNN
F 3 "" H 8500 3475 50  0000 C CNN
	1    8500 3475
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR022
U 1 1 5889D9E5
P 8500 2950
F 0 "#PWR022" H 8500 2800 50  0001 C CNN
F 1 "+3V3" H 8500 3090 50  0000 C CNN
F 2 "" H 8500 2950 50  0000 C CNN
F 3 "" H 8500 2950 50  0000 C CNN
	1    8500 2950
	1    0    0    -1  
$EndComp
Text Label 5375 3025 0    60   ~ 0
VBatt
Text Label 10150 4250 0    60   ~ 0
DO
Text Label 10150 4150 0    60   ~ 0
DI
Text Label 10150 4350 0    60   ~ 0
CLK
$Comp
L LED D3
U 1 1 58912C50
P 7150 5750
F 0 "D3" H 7150 5650 50  0000 C CNN
F 1 "LED" H 7025 5800 50  0000 C CNN
F 2 "LEDs:LED_PLCC-2" H 7150 5750 50  0001 C CNN
F 3 "" H 7150 5750 50  0000 C CNN
	1    7150 5750
	-1   0    0    1   
$EndComp
$Comp
L LED D1
U 1 1 589137FD
P 3500 3275
F 0 "D1" H 3500 3200 50  0000 C CNN
F 1 "LED" H 3450 3375 50  0000 C CNN
F 2 "LEDs:LED_PLCC-2" H 3500 3275 50  0001 C CNN
F 3 "" H 3500 3275 50  0000 C CNN
	1    3500 3275
	-1   0    0    1   
$EndComp
$Comp
L C C3
U 1 1 5891B8EF
P 3775 6000
F 0 "C3" H 3800 6100 50  0000 L CNN
F 1 "100nF" H 3800 5900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 3813 5850 50  0001 C CNN
F 3 "" H 3775 6000 50  0000 C CNN
	1    3775 6000
	1    0    0    -1  
$EndComp
$Comp
L C C8
U 1 1 5891C141
P 7625 5200
F 0 "C8" H 7650 5300 50  0000 L CNN
F 1 "100nF" H 7650 5100 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 7663 5050 50  0001 C CNN
F 3 "" H 7625 5200 50  0000 C CNN
	1    7625 5200
	1    0    0    -1  
$EndComp
$Comp
L C C5
U 1 1 5891E9F8
P 6375 5250
F 0 "C5" V 6225 5175 50  0000 L CNN
F 1 "100nF" V 6500 5200 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 6413 5100 50  0001 C CNN
F 3 "" H 6375 5250 50  0000 C CNN
	1    6375 5250
	0    1    1    0   
$EndComp
$Comp
L R R3
U 1 1 5894FF99
P 3500 7775
F 0 "R3" H 3450 7625 50  0000 C CNN
F 1 "10K" H 3400 7925 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 3430 7775 50  0001 C CNN
F 3 "" H 3500 7775 50  0000 C CNN
	1    3500 7775
	-1   0    0    1   
$EndComp
$Comp
L +3V3 #PWR023
U 1 1 5894FF9F
P 4625 7575
F 0 "#PWR023" H 4625 7425 50  0001 C CNN
F 1 "+3V3" H 4625 7715 50  0000 C CNN
F 2 "" H 4625 7575 50  0000 C CNN
F 3 "" H 4625 7575 50  0000 C CNN
	1    4625 7575
	1    0    0    -1  
$EndComp
$Comp
L R R4
U 1 1 5895063D
P 4625 7775
F 0 "R4" H 4575 7625 50  0000 C CNN
F 1 "10K" H 4525 7925 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 4555 7775 50  0001 C CNN
F 3 "" H 4625 7775 50  0000 C CNN
	1    4625 7775
	-1   0    0    1   
$EndComp
$Comp
L +3V3 #PWR024
U 1 1 58950643
P 5750 7575
F 0 "#PWR024" H 5750 7425 50  0001 C CNN
F 1 "+3V3" H 5750 7715 50  0000 C CNN
F 2 "" H 5750 7575 50  0000 C CNN
F 3 "" H 5750 7575 50  0000 C CNN
	1    5750 7575
	1    0    0    -1  
$EndComp
$Comp
L R R5
U 1 1 58950803
P 5750 7775
F 0 "R5" H 5700 7625 50  0000 C CNN
F 1 "10K" H 5650 7925 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 5680 7775 50  0001 C CNN
F 3 "" H 5750 7775 50  0000 C CNN
	1    5750 7775
	-1   0    0    1   
$EndComp
$Comp
L +3V3 #PWR025
U 1 1 58950809
P 6875 7575
F 0 "#PWR025" H 6875 7425 50  0001 C CNN
F 1 "+3V3" H 6875 7715 50  0000 C CNN
F 2 "" H 6875 7575 50  0000 C CNN
F 3 "" H 6875 7575 50  0000 C CNN
	1    6875 7575
	1    0    0    -1  
$EndComp
Text Label 7100 7975 0    60   ~ 0
BTN_4
Text Label 4850 7975 0    60   ~ 0
BTN_2
Text Label 5975 7975 0    60   ~ 0
BTN_3
NoConn ~ 3025 5050
$Comp
L CONN_01X05 P8
U 1 1 589D3AE4
P 7450 8475
F 0 "P8" H 7450 8775 50  0000 C CNN
F 1 "CONN_01X05" V 7550 8475 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x05_Pitch2.54mm" H 7450 8475 50  0001 C CNN
F 3 "" H 7450 8475 50  0000 C CNN
	1    7450 8475
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR026
U 1 1 589D4B80
P 7175 8750
F 0 "#PWR026" H 7175 8500 50  0001 C CNN
F 1 "GND" H 7175 8600 50  0000 C CNN
F 2 "" H 7175 8750 50  0000 C CNN
F 3 "" H 7175 8750 50  0000 C CNN
	1    7175 8750
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR027
U 1 1 589EDA0C
P 7300 3725
F 0 "#PWR027" H 7300 3475 50  0001 C CNN
F 1 "GND" H 7300 3575 50  0000 C CNN
F 2 "" H 7300 3725 50  0000 C CNN
F 3 "" H 7300 3725 50  0000 C CNN
	1    7300 3725
	1    0    0    -1  
$EndComp
$Comp
L CONN_02X05 P6
U 1 1 58AC71D2
P 10675 3225
F 0 "P6" H 10675 3525 50  0000 C CNN
F 1 "CONN_02X05" H 10675 2925 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_2x05_Pitch2.54mm" H 10675 2025 50  0001 C CNN
F 3 "" H 10675 2025 50  0000 C CNN
	1    10675 3225
	0    -1   1    0   
$EndComp
$Comp
L +3V3 #PWR028
U 1 1 58AC9036
P 10475 2900
F 0 "#PWR028" H 10475 2750 50  0001 C CNN
F 1 "+3V3" H 10475 3040 50  0000 C CNN
F 2 "" H 10475 2900 50  0000 C CNN
F 3 "" H 10475 2900 50  0000 C CNN
	1    10475 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	7725 6500 7625 6500
Wire Wire Line
	7625 6500 7625 6800
Wire Wire Line
	7725 6600 7625 6600
Connection ~ 7625 6600
Wire Wire Line
	7725 6700 7625 6700
Connection ~ 7625 6700
Wire Wire Line
	7525 4200 7525 4700
Wire Wire Line
	7525 4500 7725 4500
Wire Wire Line
	7425 4400 7725 4400
Connection ~ 7525 4400
Wire Wire Line
	5125 6550 5125 6650
Wire Wire Line
	3775 6650 5525 6650
Wire Wire Line
	5525 6650 5525 6550
Wire Wire Line
	5425 6550 5425 6700
Connection ~ 5425 6650
Wire Wire Line
	5325 6550 5325 6650
Connection ~ 5325 6650
Wire Wire Line
	3775 6250 4525 6250
Wire Wire Line
	3775 6150 3775 6650
Connection ~ 5125 6650
Wire Wire Line
	4525 5550 3775 5550
Wire Wire Line
	3775 5550 3775 5850
Connection ~ 3775 6250
Wire Wire Line
	3025 5150 4525 5150
Wire Wire Line
	4525 5250 3025 5250
Wire Wire Line
	2625 4750 2625 4700
Wire Wire Line
	2625 4700 3125 4700
Wire Wire Line
	3125 4700 3125 5450
Wire Wire Line
	3025 4950 3125 4950
Connection ~ 3125 4950
Wire Wire Line
	3475 6150 3475 6200
Wire Wire Line
	3475 5850 3475 4850
Wire Wire Line
	3475 4850 4525 4850
Wire Wire Line
	4525 5750 4475 5750
Wire Wire Line
	4475 5750 4475 5650
Wire Wire Line
	4475 5650 4225 5650
Wire Wire Line
	4225 5650 4225 5700
Wire Wire Line
	4525 5950 4475 5950
Wire Wire Line
	4475 5950 4475 6050
Wire Wire Line
	4475 6050 4225 6050
Wire Wire Line
	4225 6050 4225 6000
Wire Wire Line
	5225 4500 5225 4550
Wire Wire Line
	5425 4150 5425 4550
Wire Wire Line
	5225 4300 5225 4150
Connection ~ 5225 4150
Wire Wire Line
	4725 3950 4725 4000
Wire Wire Line
	4875 4150 5425 4150
Wire Wire Line
	4725 4300 4725 4450
Wire Wire Line
	4725 4450 3275 4450
Wire Wire Line
	3275 5350 3025 5350
Wire Wire Line
	9625 5000 10175 5000
Wire Wire Line
	10175 5000 10175 4850
Wire Wire Line
	10175 4850 10575 4850
Wire Wire Line
	9625 5100 10175 5100
Wire Wire Line
	10175 5100 10175 5250
Wire Wire Line
	10175 5250 10575 5250
Wire Wire Line
	10375 5200 10375 5250
Connection ~ 10375 5250
Wire Wire Line
	10375 4900 10375 4850
Connection ~ 10375 4850
Wire Wire Line
	10875 4850 10975 4850
Wire Wire Line
	10975 4850 10975 5300
Wire Wire Line
	10875 5250 10975 5250
Connection ~ 10975 5250
Wire Wire Line
	9625 5850 10725 5850
Wire Wire Line
	10725 5850 10725 6450
Wire Wire Line
	10725 6450 11525 6450
Wire Wire Line
	10925 6400 10925 6500
Connection ~ 10925 6450
Wire Wire Line
	10925 6100 10925 6050
Wire Wire Line
	7725 5000 7625 5000
Wire Wire Line
	7625 5000 7625 5050
Wire Wire Line
	7625 5350 7625 5400
Wire Wire Line
	7525 4700 7725 4700
Connection ~ 7525 4500
Wire Wire Line
	9625 6100 10300 6100
Wire Wire Line
	10300 6100 10300 6200
Wire Wire Line
	9625 6000 10550 6000
Wire Wire Line
	10550 6000 10550 6200
Wire Wire Line
	6125 4950 7475 4950
Wire Wire Line
	7475 4950 7475 7100
Wire Wire Line
	7475 7100 10300 7100
Wire Wire Line
	10300 7100 10300 6500
Wire Wire Line
	10550 6500 10550 7200
Wire Wire Line
	10550 7200 7375 7200
Wire Wire Line
	7375 7200 7375 4850
Wire Wire Line
	7375 4850 6125 4850
Wire Wire Line
	10925 6900 10925 6950
Wire Wire Line
	6125 5250 6225 5250
Wire Wire Line
	6525 5250 6875 5250
Wire Wire Line
	9950 4700 9625 4700
Wire Wire Line
	9950 3850 9950 4700
Wire Wire Line
	9950 3850 9650 3850
Wire Wire Line
	9650 3750 10000 3750
Wire Wire Line
	10000 3750 10000 4800
Wire Wire Line
	10000 4800 9625 4800
Wire Wire Line
	10050 4900 9625 4900
Wire Wire Line
	10050 3650 10050 4900
Wire Wire Line
	10050 3650 9650 3650
Wire Wire Line
	9150 3650 8925 3650
Wire Wire Line
	8925 3650 8925 3600
Wire Wire Line
	9150 3850 8925 3850
Wire Wire Line
	8925 3850 8925 3925
Wire Wire Line
	9150 3750 8825 3750
Wire Wire Line
	7075 4550 7075 4400
Wire Wire Line
	7075 4400 7125 4400
Wire Wire Line
	3275 3025 3275 5350
Wire Wire Line
	3100 3025 4100 3025
Connection ~ 3275 4450
Wire Wire Line
	4025 3275 4100 3275
Wire Wire Line
	3725 3275 3650 3275
Wire Wire Line
	3275 3275 3350 3275
Connection ~ 3275 3275
Wire Wire Line
	3100 3375 3100 3450
Wire Wire Line
	3100 3075 3100 3025
Connection ~ 3275 3025
Wire Wire Line
	5050 3150 5125 3150
Wire Wire Line
	5425 3150 5475 3150
Wire Wire Line
	5475 3150 5475 3325
Wire Wire Line
	5050 3275 5475 3275
Connection ~ 5475 3275
Wire Wire Line
	5050 3025 6800 3025
Wire Wire Line
	5725 3075 5725 3025
Connection ~ 5725 3025
Wire Wire Line
	5725 3375 5725 3450
Wire Wire Line
	6025 3025 6025 2750
Wire Wire Line
	6125 2750 6125 2800
Connection ~ 6025 3025
Wire Wire Line
	6400 3375 6400 3525
Wire Wire Line
	6400 3075 6400 3025
Connection ~ 6400 3025
Wire Wire Line
	6400 3425 6800 3425
Connection ~ 6400 3425
Wire Wire Line
	6800 3325 6750 3325
Wire Wire Line
	6750 3325 6750 3425
Connection ~ 6750 3425
Wire Wire Line
	6800 3125 6750 3125
Wire Wire Line
	6750 3025 6750 3225
Connection ~ 6750 3025
Wire Wire Line
	6750 3225 6800 3225
Connection ~ 6750 3125
Wire Wire Line
	7800 3325 7900 3325
Wire Wire Line
	7900 3325 7900 3525
Wire Wire Line
	7800 3425 7900 3425
Connection ~ 7900 3425
Wire Wire Line
	7800 3025 7925 3025
Wire Wire Line
	7800 3125 7850 3125
Wire Wire Line
	7850 3125 7850 3025
Connection ~ 7850 3025
Wire Wire Line
	8500 3400 8500 3475
Wire Wire Line
	8500 2950 8500 3100
Wire Wire Line
	8225 3025 8500 3025
Connection ~ 8500 3025
Wire Wire Line
	7800 3225 8325 3225
Wire Wire Line
	8325 3225 8325 3025
Connection ~ 8325 3025
Connection ~ 9950 4150
Connection ~ 10000 4250
Connection ~ 10050 4350
Wire Wire Line
	9950 4150 10775 4150
Wire Wire Line
	10000 4250 10675 4250
Wire Wire Line
	10050 4350 11125 4350
Wire Wire Line
	4625 7925 4625 8475
Connection ~ 4625 7975
Wire Wire Line
	4625 7625 4625 7575
Wire Wire Line
	5750 7925 5750 8375
Connection ~ 5750 7975
Wire Wire Line
	5750 7625 5750 7575
Wire Wire Line
	6875 7925 6875 8275
Connection ~ 6875 7975
Wire Wire Line
	6875 7625 6875 7575
Wire Wire Line
	4625 7975 5175 7975
Wire Wire Line
	5750 7975 6300 7975
Wire Wire Line
	6875 7975 7425 7975
Wire Wire Line
	6875 8275 7250 8275
Wire Wire Line
	5750 8375 7250 8375
Wire Wire Line
	4625 8475 7250 8475
Wire Wire Line
	7250 8675 7175 8675
Wire Wire Line
	7175 8675 7175 8750
Wire Wire Line
	7300 3675 7300 3725
Wire Wire Line
	10475 2900 10475 2975
$Comp
L GND #PWR029
U 1 1 58ACBA19
P 10475 3550
F 0 "#PWR029" H 10475 3300 50  0001 C CNN
F 1 "GND" H 10475 3400 50  0000 C CNN
F 2 "" H 10475 3550 50  0000 C CNN
F 3 "" H 10475 3550 50  0000 C CNN
	1    10475 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	10475 3475 10475 3550
Wire Wire Line
	9625 4600 9900 4600
Wire Wire Line
	9900 4600 9900 4050
Wire Wire Line
	9900 4050 10875 4050
Text Label 10150 4050 0    60   ~ 0
CS
Wire Wire Line
	11125 4350 11125 2825
Wire Wire Line
	11125 2825 10875 2825
Wire Wire Line
	10875 2825 10875 2975
Wire Wire Line
	10675 4250 10675 3475
Wire Wire Line
	10775 4150 10775 3475
Wire Wire Line
	10875 4050 10875 3475
Wire Wire Line
	9625 4500 9850 4500
Wire Wire Line
	9850 4500 9850 2675
Wire Wire Line
	9850 2675 10675 2675
Wire Wire Line
	10675 2675 10675 2975
NoConn ~ 10575 3475
NoConn ~ 10775 2975
NoConn ~ 10575 2975
Wire Wire Line
	9625 5750 10125 5750
Wire Wire Line
	10125 5750 10125 7400
Wire Wire Line
	10125 7400 8425 7400
$Comp
L R R13
U 1 1 58AE025B
P 8275 7400
F 0 "R13" V 8350 7450 50  0000 C CNN
F 1 "330K" V 8175 7400 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 8175 7450 50  0001 C CNN
F 3 "" H 8275 7400 50  0000 C CNN
	1    8275 7400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7650 7400 8125 7400
Text Label 7675 7400 0    60   ~ 0
VBatt
$Comp
L R R10
U 1 1 58AE3757
P 8000 7650
F 0 "R10" H 7875 7725 50  0000 C CNN
F 1 "36K" H 8125 7575 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 7900 7700 50  0001 C CNN
F 3 "" H 8000 7650 50  0000 C CNN
	1    8000 7650
	1    0    0    -1  
$EndComp
$Comp
L R R11
U 1 1 58AE393C
P 8000 8025
F 0 "R11" H 7875 8100 50  0000 C CNN
F 1 "330R" H 8150 7950 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 7900 8075 50  0001 C CNN
F 3 "" H 8000 8025 50  0000 C CNN
	1    8000 8025
	1    0    0    -1  
$EndComp
$Comp
L R R12
U 1 1 58AE3E88
P 8000 8400
F 0 "R12" H 7875 8475 50  0000 C CNN
F 1 "330R" H 8150 8325 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 7900 8450 50  0001 C CNN
F 3 "" H 8000 8400 50  0000 C CNN
	1    8000 8400
	1    0    0    -1  
$EndComp
Wire Wire Line
	8000 7500 8000 7400
Connection ~ 8000 7400
Wire Wire Line
	8000 7800 8000 7875
$Comp
L GND #PWR030
U 1 1 58AE7333
P 8000 8625
F 0 "#PWR030" H 8000 8375 50  0001 C CNN
F 1 "GND" H 8000 8475 50  0000 C CNN
F 2 "" H 8000 8625 50  0000 C CNN
F 3 "" H 8000 8625 50  0000 C CNN
	1    8000 8625
	1    0    0    -1  
$EndComp
Wire Wire Line
	8000 8625 8000 8550
Wire Wire Line
	8000 8250 8000 8175
$Comp
L CONN_01X04 P2
U 1 1 58AC3DF0
P 11350 8200
F 0 "P2" H 11350 8450 50  0000 C CNN
F 1 "RS422" H 11375 7950 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm" H 11350 8200 50  0001 C CNN
F 3 "" H 11350 8200 50  0000 C CNN
	1    11350 8200
	1    0    0    -1  
$EndComp
Wire Wire Line
	9775 6600 9775 8050
Wire Wire Line
	9775 8050 10075 8050
Wire Wire Line
	9700 6700 9700 9100
Wire Wire Line
	9700 9100 10025 9100
$Comp
L R R6
U 1 1 58AD148C
P 6875 7775
F 0 "R6" H 6825 7625 50  0000 C CNN
F 1 "10K" H 6775 7925 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 6805 7775 50  0001 C CNN
F 3 "" H 6875 7775 50  0000 C CNN
	1    6875 7775
	-1   0    0    1   
$EndComp
Wire Wire Line
	3500 7925 3500 8575
Wire Wire Line
	3500 8575 7250 8575
Text Label 3725 7975 0    60   ~ 0
BTN_1
Wire Wire Line
	4050 7975 3500 7975
Connection ~ 3500 7975
$Comp
L +3V3 #PWR032
U 1 1 58ADA9ED
P 3500 7575
F 0 "#PWR032" H 3500 7425 50  0001 C CNN
F 1 "+3V3" H 3500 7715 50  0000 C CNN
F 2 "" H 3500 7575 50  0000 C CNN
F 3 "" H 3500 7575 50  0000 C CNN
	1    3500 7575
	1    0    0    -1  
$EndComp
Wire Wire Line
	3500 7625 3500 7575
Text Label 9700 5250 0    60   ~ 0
BTN_1
Text Label 9700 5350 0    60   ~ 0
BTN_2
Text Label 9700 5450 0    60   ~ 0
BTN_3
Text Label 9700 5550 0    60   ~ 0
BTN_4
Wire Wire Line
	9625 5250 10025 5250
Wire Wire Line
	9625 5350 10025 5350
Wire Wire Line
	9625 5450 10025 5450
Wire Wire Line
	9625 5550 10025 5550
NoConn ~ 9625 6300
NoConn ~ 9625 6200
NoConn ~ 9625 5650
NoConn ~ 9625 4400
NoConn ~ 6125 5950
NoConn ~ 6125 5850
$Comp
L R R14
U 1 1 58ACCCE1
P 6775 5750
F 0 "R14" V 6700 5700 50  0000 C CNN
F 1 "330R" V 6850 5875 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 6675 5800 50  0001 C CNN
F 3 "" H 6775 5750 50  0000 C CNN
	1    6775 5750
	0    1    1    0   
$EndComp
$Comp
L R R15
U 1 1 58ACD105
P 6775 6050
F 0 "R15" V 6700 6000 50  0000 C CNN
F 1 "330R" V 6850 6175 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 6675 6100 50  0001 C CNN
F 3 "" H 6775 6050 50  0000 C CNN
	1    6775 6050
	0    1    1    0   
$EndComp
Wire Wire Line
	6525 5675 6525 6050
Wire Wire Line
	6525 6050 6625 6050
Wire Wire Line
	6625 5750 6525 5750
Connection ~ 6525 5750
Wire Wire Line
	6925 5750 7000 5750
Wire Wire Line
	6925 6050 7000 6050
Wire Wire Line
	7300 5750 7725 5750
Wire Wire Line
	7300 6050 7575 6050
Wire Wire Line
	7575 6050 7575 5850
Wire Wire Line
	7575 5850 7725 5850
Wire Wire Line
	9700 6700 9625 6700
Wire Wire Line
	9625 6600 9775 6600
$Comp
L VOS627A U?
U 1 1 58B4533F
P 10375 8100
F 0 "U?" H 10250 8250 60  0000 C CNN
F 1 "VOS627A" H 10375 7950 60  0000 C CNN
F 2 "Housings_SSOP:SOP-4_4.4x2.8mm_Pitch1.27mm" H 10375 8050 60  0001 C CNN
F 3 "" H 10375 8050 60  0001 C CNN
	1    10375 8100
	-1   0    0    -1  
$EndComp
Wire Wire Line
	10675 8150 11150 8150
$Comp
L R R?
U 1 1 58B47C35
P 10925 8050
F 0 "R?" V 11000 8125 50  0000 C CNN
F 1 "1K" V 10875 7900 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 10825 8100 50  0001 C CNN
F 3 "" H 10925 8050 50  0000 C CNN
	1    10925 8050
	0    -1   -1   0   
$EndComp
Wire Wire Line
	10675 8050 10775 8050
Wire Wire Line
	11075 8050 11150 8050
Wire Wire Line
	10075 8150 10025 8150
Wire Wire Line
	10025 8150 10025 8200
$Comp
L GND #PWR?
U 1 1 58B4A6CC
P 10025 8200
F 0 "#PWR?" H 10025 7950 50  0001 C CNN
F 1 "GND" H 10025 8050 50  0000 C CNN
F 2 "" H 10025 8200 50  0000 C CNN
F 3 "" H 10025 8200 50  0000 C CNN
	1    10025 8200
	1    0    0    -1  
$EndComp
$Comp
L R R?
U 1 1 58B4BD0A
P 9900 7850
F 0 "R?" H 9975 8000 50  0000 C CNN
F 1 "1K" H 10000 7775 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 9800 7900 50  0001 C CNN
F 3 "" H 9900 7850 50  0000 C CNN
	1    9900 7850
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR?
U 1 1 58B4CA78
P 9900 7650
F 0 "#PWR?" H 9900 7500 50  0001 C CNN
F 1 "+3V3" H 9900 7790 50  0000 C CNN
F 2 "" H 9900 7650 50  0000 C CNN
F 3 "" H 9900 7650 50  0000 C CNN
	1    9900 7650
	1    0    0    -1  
$EndComp
Wire Wire Line
	9900 8000 9900 8050
Connection ~ 9900 8050
Wire Wire Line
	9900 7650 9900 7700
$Comp
L MAX3295 U?
U 1 1 58B4FEA4
P 10350 9225
F 0 "U?" H 10200 9525 60  0000 C CNN
F 1 "MAX3295" H 10575 8950 60  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-23-6" H 10350 9225 60  0001 C CNN
F 3 "" H 10350 9225 60  0001 C CNN
	1    10350 9225
	1    0    0    -1  
$EndComp
Wire Wire Line
	11150 8250 10800 8250
Wire Wire Line
	10800 8250 10800 9100
Wire Wire Line
	10800 9100 10675 9100
Wire Wire Line
	10675 9225 10875 9225
Wire Wire Line
	10875 9225 10875 8350
Wire Wire Line
	10875 8350 11150 8350
Wire Wire Line
	10350 8850 10350 8600
$Comp
L GND #PWR?
U 1 1 58B553F1
P 10350 9700
F 0 "#PWR?" H 10350 9450 50  0001 C CNN
F 1 "GND" H 10350 9550 50  0000 C CNN
F 2 "" H 10350 9700 50  0000 C CNN
F 3 "" H 10350 9700 50  0000 C CNN
	1    10350 9700
	1    0    0    -1  
$EndComp
Wire Wire Line
	10350 9575 10350 9700
$Comp
L +3V3 #PWR?
U 1 1 58B55F48
P 10350 8600
F 0 "#PWR?" H 10350 8450 50  0001 C CNN
F 1 "+3V3" H 10350 8740 50  0000 C CNN
F 2 "" H 10350 8600 50  0000 C CNN
F 3 "" H 10350 8600 50  0000 C CNN
	1    10350 8600
	1    0    0    -1  
$EndComp
$Comp
L R R?
U 1 1 58B57DAA
P 9875 8875
F 0 "R?" H 9800 9025 50  0000 C CNN
F 1 "1K" H 9975 8800 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 9775 8925 50  0001 C CNN
F 3 "" H 9875 8875 50  0000 C CNN
	1    9875 8875
	1    0    0    -1  
$EndComp
Wire Wire Line
	9875 8725 9875 8650
Wire Wire Line
	9875 8650 10350 8650
Connection ~ 10350 8650
Wire Wire Line
	9875 9025 9875 9300
Wire Wire Line
	9875 9300 10025 9300
NoConn ~ 9625 6400
NoConn ~ 9625 6500
Text Notes 11450 8050 0    60   ~ 0
RX+
Text Notes 11450 8150 0    60   ~ 0
RX-
Text Notes 11450 8350 0    60   ~ 0
TX-
Text Notes 11450 8250 0    60   ~ 0
TX+
$EndSCHEMATC