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EESchema Schematic File Version 4
LIBS:Capivara-cache
EELAYER 29 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L power:+3V3 #PWR010
U 1 1 5CC99097
P 2800 2400
F 0 "#PWR010" H 2800 2250 50  0001 C CNN
F 1 "+3V3" H 2815 2573 50  0000 C CNN
F 2 "" H 2800 2400 50  0001 C CNN
F 3 "" H 2800 2400 50  0001 C CNN
	1    2800 2400
	1    0    0    -1  
$EndComp
Wire Wire Line
	2800 2400 2800 2500
Wire Wire Line
	2900 2500 2800 2500
Connection ~ 2800 2500
Wire Wire Line
	3000 2500 2900 2500
Connection ~ 2900 2500
Wire Wire Line
	3100 2500 3000 2500
Connection ~ 3000 2500
$Comp
L power:+3.3VADC #PWR013
U 1 1 5CC9AF6A
P 3200 2350
F 0 "#PWR013" H 3350 2300 50  0001 C CNN
F 1 "+3.3VADC" H 3220 2493 50  0000 C CNN
F 2 "" H 3200 2350 50  0001 C CNN
F 3 "" H 3200 2350 50  0001 C CNN
	1    3200 2350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR011
U 1 1 5CC9B940
P 2800 5950
F 0 "#PWR011" H 2800 5700 50  0001 C CNN
F 1 "GND" H 2805 5777 50  0000 C CNN
F 2 "" H 2800 5950 50  0001 C CNN
F 3 "" H 2800 5950 50  0001 C CNN
	1    2800 5950
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR012
U 1 1 5CC9BFE9
P 3100 5950
F 0 "#PWR012" H 3100 5700 50  0001 C CNN
F 1 "GNDA" H 3105 5777 50  0000 C CNN
F 2 "" H 3100 5950 50  0001 C CNN
F 3 "" H 3100 5950 50  0001 C CNN
	1    3100 5950
	1    0    0    -1  
$EndComp
Wire Wire Line
	2900 5650 2900 5750
Wire Wire Line
	2900 5750 2800 5750
Connection ~ 2800 5750
Wire Wire Line
	2800 5750 2800 5650
Wire Wire Line
	3000 5650 3000 5750
Wire Wire Line
	3000 5750 2900 5750
Connection ~ 2900 5750
Wire Wire Line
	3100 2650 3100 2500
Wire Wire Line
	3000 2650 3000 2500
Wire Wire Line
	2900 2650 2900 2500
Wire Wire Line
	2800 2500 2800 2650
$Comp
L MCU_ST_STM32F3:STM32F303CCTx U1
U 1 1 5CC8F7A5
P 3000 4150
F 0 "U1" H 2450 5650 50  0000 C CNN
F 1 "STM32F303CCTx" V 3550 5200 50  0000 C CNN
F 2 "Package_QFP:LQFP-48_7x7mm_P0.5mm" H 2400 2750 50  0001 R CNN
F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00058181.pdf" H 3000 4150 50  0001 C CNN
	1    3000 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	2800 5750 2800 5900
Wire Wire Line
	3050 5900 3100 5900
Wire Wire Line
	3100 5900 3100 5950
Wire Wire Line
	2850 5900 2800 5900
Connection ~ 2800 5900
Wire Wire Line
	2800 5900 2800 5950
$Comp
L Device:C C2
U 1 1 5CC9BE02
P 900 2150
F 0 "C2" H 900 2250 50  0000 L CNN
F 1 "100nF" H 900 2050 50  0000 L CNN
F 2 "OPL_Resistor:R0603" H 938 2000 50  0001 C CNN
F 3 "~" H 900 2150 50  0001 C CNN
	1    900  2150
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 5CC92067
P 1150 2150
F 0 "C3" H 1150 2250 50  0000 L CNN
F 1 "100nF" H 1150 2050 50  0000 L CNN
F 2 "OPL_Resistor:R0603" H 1188 2000 50  0001 C CNN
F 3 "~" H 1150 2150 50  0001 C CNN
	1    1150 2150
	1    0    0    -1  
$EndComp
$Comp
L Device:C C4
U 1 1 5CC930F5
P 1400 2150
F 0 "C4" H 1400 2250 50  0000 L CNN
F 1 "100nF" H 1400 2050 50  0000 L CNN
F 2 "OPL_Resistor:R0603" H 1438 2000 50  0001 C CNN
F 3 "~" H 1400 2150 50  0001 C CNN
	1    1400 2150
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 5CC93E4A
P 650 2150
F 0 "C1" H 650 2250 50  0000 L CNN
F 1 "4.7uF" H 650 2050 50  0000 L CNN
F 2 "OPL_Resistor:R0603" H 688 2000 50  0001 C CNN
F 3 "~" H 650 2150 50  0001 C CNN
	1    650  2150
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR01
U 1 1 5CC94005
P 650 1900
F 0 "#PWR01" H 650 1750 50  0001 C CNN
F 1 "+3V3" H 665 2073 50  0000 C CNN
F 2 "" H 650 1900 50  0001 C CNN
F 3 "" H 650 1900 50  0001 C CNN
	1    650  1900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR02
U 1 1 5CC94AEA
P 650 2400
F 0 "#PWR02" H 650 2150 50  0001 C CNN
F 1 "GND" H 655 2227 50  0000 C CNN
F 2 "" H 650 2400 50  0001 C CNN
F 3 "" H 650 2400 50  0001 C CNN
	1    650  2400
	1    0    0    -1  
$EndComp
Wire Wire Line
	650  1900 650  1950
Wire Wire Line
	650  1950 900  1950
Wire Wire Line
	900  1950 900  2000
Connection ~ 650  1950
Wire Wire Line
	650  1950 650  2000
Connection ~ 900  1950
Wire Wire Line
	650  2400 650  2350
Wire Wire Line
	900  2300 900  2350
Wire Wire Line
	900  2350 650  2350
Connection ~ 650  2350
Wire Wire Line
	650  2350 650  2300
Connection ~ 900  2350
$Comp
L Device:C C11
U 1 1 5CC99061
P 3850 3200
F 0 "C11" H 3850 3300 50  0000 L CNN
F 1 "10nF" H 3850 3100 50  0000 L CNN
F 2 "OPL_Resistor:R0603" H 3888 3050 50  0001 C CNN
F 3 "~" H 3850 3200 50  0001 C CNN
	1    3850 3200
	1    0    0    -1  
$EndComp
$Comp
L Device:C C12
U 1 1 5CC998D9
P 4100 3200
F 0 "C12" H 4100 3300 50  0000 L CNN
F 1 "1uF" H 4100 3100 50  0000 L CNN
F 2 "OPL_Resistor:R0603" H 4138 3050 50  0001 C CNN
F 3 "~" H 4100 3200 50  0001 C CNN
	1    4100 3200
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3VADC #PWR015
U 1 1 5CC99C8E
P 3850 2950
F 0 "#PWR015" H 4000 2900 50  0001 C CNN
F 1 "+3.3VADC" H 3870 3093 50  0000 C CNN
F 2 "" H 3850 2950 50  0001 C CNN
F 3 "" H 3850 2950 50  0001 C CNN
	1    3850 2950
	1    0    0    -1  
$EndComp
$Comp
L Device:R R2
U 1 1 5CC9D584
P 2200 2350
F 0 "R2" H 2270 2396 50  0000 L CNN
F 1 "4k7" H 2270 2305 50  0000 L CNN
F 2 "OPL_Resistor:R0603" V 2130 2350 50  0001 C CNN
F 3 "~" H 2200 2350 50  0001 C CNN
	1    2200 2350
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR08
U 1 1 5CC9E4D1
P 2200 2200
F 0 "#PWR08" H 2200 2050 50  0001 C CNN
F 1 "+3V3" H 2215 2373 50  0000 C CNN
F 2 "" H 2200 2200 50  0001 C CNN
F 3 "" H 2200 2200 50  0001 C CNN
	1    2200 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	2200 2850 2300 2850
$Comp
L Device:R R1
U 1 1 5CCA55BC
P 1800 3050
F 0 "R1" V 1593 3050 50  0000 C CNN
F 1 "4k7" V 1684 3050 50  0000 C CNN
F 2 "OPL_Resistor:R0603" V 1730 3050 50  0001 C CNN
F 3 "~" H 1800 3050 50  0001 C CNN
	1    1800 3050
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR05
U 1 1 5CCA64B6
P 1650 3050
F 0 "#PWR05" H 1650 2800 50  0001 C CNN
F 1 "GND" H 1655 2877 50  0000 C CNN
F 2 "" H 1650 3050 50  0001 C CNN
F 3 "" H 1650 3050 50  0001 C CNN
	1    1650 3050
	0    1    1    0   
$EndComp
$Comp
L Jumper:SolderJumper_2_Open JP2
U 1 1 5CCA7475
P 2000 2850
F 0 "JP2" V 2000 2900 50  0000 L CNN
F 1 "BOOT0" V 2100 2950 50  0000 L CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm" H 2000 2850 50  0001 C CNN
F 3 "~" H 2000 2850 50  0001 C CNN
	1    2000 2850
	0    1    1    0   
$EndComp
$Comp
L power:+3V3 #PWR06
U 1 1 5CCA9101
P 2000 2700
F 0 "#PWR06" H 2000 2550 50  0001 C CNN
F 1 "+3V3" H 2015 2873 50  0000 C CNN
F 2 "" H 2000 2700 50  0001 C CNN
F 3 "" H 2000 2700 50  0001 C CNN
	1    2000 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2000 3050 2300 3050
Wire Wire Line
	2000 3050 2000 3000
Wire Wire Line
	2000 3050 1950 3050
Connection ~ 2000 3050
$Comp
L Device:C C5
U 1 1 5CC93ADA
P 1650 2150
F 0 "C5" H 1650 2250 50  0000 L CNN
F 1 "100nF" H 1650 2050 50  0000 L CNN
F 2 "OPL_Resistor:R0603" H 1688 2000 50  0001 C CNN
F 3 "~" H 1650 2150 50  0001 C CNN
	1    1650 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	900  2350 1150 2350
Wire Wire Line
	900  1950 1150 1950
Wire Wire Line
	1150 2000 1150 1950
Connection ~ 1150 1950
Wire Wire Line
	1150 1950 1400 1950
Wire Wire Line
	1150 2300 1150 2350
Connection ~ 1150 2350
Wire Wire Line
	1150 2350 1400 2350
Wire Wire Line
	1400 2300 1400 2350
Connection ~ 1400 2350
Wire Wire Line
	1400 2000 1400 1950
Connection ~ 1400 1950
Wire Wire Line
	1650 1950 1650 2000
Wire Wire Line
	1400 1950 1650 1950
Wire Wire Line
	1650 2300 1650 2350
Wire Wire Line
	1400 2350 1650 2350
Wire Wire Line
	3850 3350 3850 3400
Wire Wire Line
	3850 2950 3850 3000
Wire Wire Line
	4100 3050 4100 3000
Wire Wire Line
	4100 3000 3850 3000
Connection ~ 3850 3000
Wire Wire Line
	3850 3000 3850 3050
Wire Wire Line
	4100 3350 4100 3400
Wire Wire Line
	4100 3400 3850 3400
Connection ~ 3850 3400
Wire Wire Line
	3850 3400 3850 3450
$Comp
L Device:Crystal_Small Y1
U 1 1 5CCCC1B7
P 2100 3300
F 0 "Y1" V 1950 3200 50  0000 L CNN
F 1 "8MHz" V 1950 3350 50  0000 L CNN
F 2 "OPL_Crystal_Oscillator:HC49US" H 2100 3300 50  0001 C CNN
F 3 "~" H 2100 3300 50  0001 C CNN
	1    2100 3300
	0    1    1    0   
$EndComp
Wire Wire Line
	2300 3250 2250 3250
Wire Wire Line
	2250 3250 2250 3200
Wire Wire Line
	2250 3200 2100 3200
Wire Wire Line
	2300 3350 2250 3350
Wire Wire Line
	2250 3350 2250 3400
Wire Wire Line
	2250 3400 2100 3400
$Comp
L Device:C_Small C6
U 1 1 5CCCFBDC
P 1900 3200
F 0 "C6" V 1850 3400 50  0000 C CNN
F 1 "22pF" V 1950 3350 50  0000 C CNN
F 2 "OPL_Resistor:R0603" H 1900 3200 50  0001 C CNN
F 3 "~" H 1900 3200 50  0001 C CNN
	1    1900 3200
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C7
U 1 1 5CCD2785
P 1900 3400
F 0 "C7" V 1850 3600 50  0000 C CNN
F 1 "22pF" V 1950 3550 50  0000 C CNN
F 2 "OPL_Resistor:R0603" H 1900 3400 50  0001 C CNN
F 3 "~" H 1900 3400 50  0001 C CNN
	1    1900 3400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2000 3400 2100 3400
Connection ~ 2100 3400
Wire Wire Line
	2000 3200 2100 3200
Connection ~ 2100 3200
$Comp
L power:GND #PWR04
U 1 1 5CCD6131
P 1600 3300
F 0 "#PWR04" H 1600 3050 50  0001 C CNN
F 1 "GND" H 1605 3127 50  0000 C CNN
F 2 "" H 1600 3300 50  0001 C CNN
F 3 "" H 1600 3300 50  0001 C CNN
	1    1600 3300
	0    1    1    0   
$EndComp
Wire Wire Line
	1800 3200 1600 3200
Wire Wire Line
	1600 3200 1600 3300
Wire Wire Line
	1800 3400 1600 3400
Wire Wire Line
	1600 3400 1600 3300
Connection ~ 1600 3300
$Comp
L OPL_Connector:MINI-USB2.0-RECEPT-5POS-4-LEGS-_ST-USB-013A_ USB1
U 1 1 5CCD981C
P 1500 1050
F 0 "USB1" H 1525 1504 45  0000 C CNN
F 1 "MINI-USB2.0-RECEPT-5POS-4-LEGS-_ST-USB-013A_" H 1525 1420 45  0000 C CNN
F 2 "OPL_Connector:MINIUSB5+4P-0.8-90D" H 1500 1050 50  0001 C CNN
F 3 "" H 1500 1050 50  0001 C CNN
F 4 "ST-USB-013A" H 1530 1200 20  0001 C CNN "MPN"
F 5 "320010014" H 1530 1200 20  0001 C CNN "SKU"
	1    1500 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	950  1050 950  1000
Wire Wire Line
	950  900  1000 900 
Wire Wire Line
	1000 1000 950  1000
Connection ~ 950  1000
Wire Wire Line
	950  1000 950  900 
Wire Wire Line
	1000 1100 950  1100
Wire Wire Line
	950  1100 950  1050
Connection ~ 950  1050
Wire Wire Line
	1000 1200 950  1200
Wire Wire Line
	950  1200 950  1100
Connection ~ 950  1100
$Comp
L power:GND #PWR07
U 1 1 5CCED760
P 2050 1250
F 0 "#PWR07" H 2050 1000 50  0001 C CNN
F 1 "GND" H 2055 1077 50  0000 C CNN
F 2 "" H 2050 1250 50  0001 C CNN
F 3 "" H 2050 1250 50  0001 C CNN
	1    2050 1250
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR014
U 1 1 5CCEDBF9
P 3700 800
F 0 "#PWR014" H 3700 650 50  0001 C CNN
F 1 "+5V" H 3800 900 50  0000 C CNN
F 2 "" H 3700 800 50  0001 C CNN
F 3 "" H 3700 800 50  0001 C CNN
	1    3700 800 
	1    0    0    -1  
$EndComp
Text GLabel 2100 950  2    50   Input ~ 0
USB_DM
Text GLabel 2100 1050 2    50   Input ~ 0
USB_DP
Wire Wire Line
	2100 950  2050 950 
Text GLabel 4000 5050 2    50   Input ~ 0
USB_DM
Text GLabel 4000 5150 2    50   Input ~ 0
USB_DP
$Comp
L Device:R R3
U 1 1 5CCFA1E4
P 2700 900
F 0 "R3" H 2750 1000 50  0000 L CNN
F 1 "1k5" H 2750 900 50  0000 L CNN
F 2 "OPL_Resistor:R0603" V 2630 900 50  0001 C CNN
F 3 "~" H 2700 900 50  0001 C CNN
	1    2700 900 
	-1   0    0    1   
$EndComp
$Comp
L power:+3.3V #PWR09
U 1 1 5CCFB025
P 2700 750
F 0 "#PWR09" H 2700 600 50  0001 C CNN
F 1 "+3.3V" H 2715 923 50  0000 C CNN
F 2 "" H 2700 750 50  0001 C CNN
F 3 "" H 2700 750 50  0001 C CNN
	1    2700 750 
	1    0    0    -1  
$EndComp
Wire Wire Line
	3600 5050 4000 5050
$Comp
L Jumper:SolderJumper_2_Open JP1
U 1 1 5CD02947
P 750 1200
F 0 "JP1" V 800 1250 50  0000 L CNN
F 1 "SHIELD" H 600 1100 50  0000 L CNN
F 2 "Jumper:SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm" H 750 1200 50  0001 C CNN
F 3 "~" H 750 1200 50  0001 C CNN
	1    750  1200
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR03
U 1 1 5CD03F53
P 750 1350
F 0 "#PWR03" H 750 1100 50  0001 C CNN
F 1 "GND" H 755 1177 50  0000 C CNN
F 2 "" H 750 1350 50  0001 C CNN
F 3 "" H 750 1350 50  0001 C CNN
	1    750  1350
	1    0    0    -1  
$EndComp
Wire Wire Line
	750  1050 950  1050
$Comp
L Device:C C8
U 1 1 5CD07A70
P 2850 1050
F 0 "C8" H 2850 1150 50  0000 R CNN
F 1 "10nF" H 2800 950 50  0000 R CNN
F 2 "OPL_Resistor:R0603" H 2888 900 50  0001 C CNN
F 3 "~" H 2850 1050 50  0001 C CNN
	1    2850 1050
	1    0    0    -1  
$EndComp
$Comp
L Device:Ferrite_Bead FB1
U 1 1 5CD081E6
P 3100 850
F 0 "FB1" V 2826 850 50  0000 C CNN
F 1 "Ferrite_Bead" V 2917 850 50  0000 C CNN
F 2 "OPL_Filters_and_Magnetic_Beads:L0603" V 3030 850 50  0001 C CNN
F 3 "~" H 3100 850 50  0001 C CNN
	1    3100 850 
	0    1    1    0   
$EndComp
$Comp
L Device:C C9
U 1 1 5CD0B397
P 3350 1050
F 0 "C9" H 3250 1150 50  0000 L CNN
F 1 "100nF" H 3100 950 50  0000 L CNN
F 2 "OPL_Resistor:R0603" H 3388 900 50  0001 C CNN
F 3 "~" H 3350 1050 50  0001 C CNN
	1    3350 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3350 900  3350 850 
Wire Wire Line
	3350 850  3250 850 
Wire Wire Line
	2950 850  2850 850 
Wire Wire Line
	2850 850  2850 900 
Wire Wire Line
	2850 850  2050 850 
Connection ~ 2850 850 
Wire Wire Line
	2050 1250 2850 1250
Wire Wire Line
	2850 1250 2850 1200
Connection ~ 2050 1250
Wire Wire Line
	2850 1250 3350 1250
Wire Wire Line
	3350 1250 3350 1200
Connection ~ 2850 1250
$Comp
L Device:C C10
U 1 1 5CD199DE
P 3700 1050
F 0 "C10" H 3700 1150 50  0000 R CNN
F 1 "10uF" H 3700 950 50  0000 R CNN
F 2 "OPL_Resistor:R0603" H 3738 900 50  0001 C CNN
F 3 "~" H 3700 1050 50  0001 C CNN
	1    3700 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3700 1200 3700 1250
Wire Wire Line
	3700 1250 3350 1250
Connection ~ 3350 1250
Wire Wire Line
	3700 900  3700 850 
Wire Wire Line
	3700 850  3350 850 
Connection ~ 3350 850 
Wire Wire Line
	3700 800  3700 850 
Connection ~ 3700 850 
$Comp
L Regulator_Linear:AMS1117-3.3 U2
U 1 1 5CD23CC5
P 4250 850
F 0 "U2" H 4250 1092 50  0000 C CNN
F 1 "AMS1117-3.3" H 4250 1001 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 4250 1050 50  0001 C CNN
F 3 "http://www.advanced-monolithic.com/pdf/ds1117.pdf" H 4350 600 50  0001 C CNN
	1    4250 850 
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 850  3700 850 
Wire Wire Line
	4250 1150 4250 1250
Wire Wire Line
	4250 1250 3700 1250
Connection ~ 3700 1250
$Comp
L Device:C C13
U 1 1 5CD29E41
P 4700 1050
F 0 "C13" H 4815 1096 50  0000 L CNN
F 1 "22uF" H 4815 1005 50  0000 L CNN
F 2 "OPL_Resistor:R0603" H 4738 900 50  0001 C CNN
F 3 "~" H 4700 1050 50  0001 C CNN
	1    4700 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	4700 900  4700 850 
Wire Wire Line
	4700 850  4550 850 
Wire Wire Line
	4700 1200 4700 1250
Wire Wire Line
	4700 1250 4250 1250
Connection ~ 4250 1250
$Comp
L power:+3.3V #PWR017
U 1 1 5CD2FAA1
P 4700 850
F 0 "#PWR017" H 4700 700 50  0001 C CNN
F 1 "+3.3V" H 4715 1023 50  0000 C CNN
F 2 "" H 4700 850 50  0001 C CNN
F 3 "" H 4700 850 50  0001 C CNN
	1    4700 850 
	1    0    0    -1  
$EndComp
Connection ~ 4700 850 
$Comp
L Analog_ADC:ADS1115IDGS U5
U 1 1 5CD30704
P 7150 1400
F 0 "U5" H 7700 1950 50  0000 C CNN
F 1 "ADS1115IDGS" H 7500 1850 50  0000 C CNN
F 2 "Package_SO:TSSOP-10_3x3mm_P0.5mm" H 7150 900 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/ads1113.pdf" H 7100 500 50  0001 C CNN
	1    7150 1400
	-1   0    0    -1  
$EndComp
$Comp
L power:+3.3VADC #PWR025
U 1 1 5CC9CFC1
P 7150 850
F 0 "#PWR025" H 7300 800 50  0001 C CNN
F 1 "+3.3VADC" H 7170 993 50  0000 C CNN
F 2 "" H 7150 850 50  0001 C CNN
F 3 "" H 7150 850 50  0001 C CNN
	1    7150 850 
	1    0    0    -1  
$EndComp
Wire Wire Line
	7150 900  7150 850 
$Comp
L power:GNDA #PWR026
U 1 1 5CCA09AF
P 7150 1800
F 0 "#PWR026" H 7150 1550 50  0001 C CNN
F 1 "GNDA" H 7155 1627 50  0000 C CNN
F 2 "" H 7150 1800 50  0001 C CNN
F 3 "" H 7150 1800 50  0001 C CNN
	1    7150 1800
	1    0    0    -1  
$EndComp
$Comp
L Device:C C14
U 1 1 5CCA24F1
P 5600 950
F 0 "C14" H 5600 1050 50  0000 L CNN
F 1 "100nF" H 5600 850 50  0000 L CNN
F 2 "OPL_Resistor:R0603" H 5638 800 50  0001 C CNN
F 3 "~" H 5600 950 50  0001 C CNN
	1    5600 950 
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3VADC #PWR018
U 1 1 5CCA2902
P 5600 800
F 0 "#PWR018" H 5750 750 50  0001 C CNN
F 1 "+3.3VADC" H 5620 943 50  0000 C CNN
F 2 "" H 5600 800 50  0001 C CNN
F 3 "" H 5600 800 50  0001 C CNN
	1    5600 800 
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR019
U 1 1 5CCA2FB1
P 5600 1100
F 0 "#PWR019" H 5600 850 50  0001 C CNN
F 1 "GNDA" H 5605 927 50  0000 C CNN
F 2 "" H 5600 1100 50  0001 C CNN
F 3 "" H 5600 1100 50  0001 C CNN
	1    5600 1100
	1    0    0    -1  
$EndComp
Wire Wire Line
	6700 1800 7150 1800
Connection ~ 7150 1800
Wire Wire Line
	6700 1800 6700 1600
Wire Wire Line
	6700 1600 6750 1600
$Comp
L Device:R R8
U 1 1 5CCB6F11
P 6350 1000
F 0 "R8" H 6350 1200 50  0000 L CNN
F 1 "4k7" V 6350 900 50  0000 L CNN
F 2 "OPL_Resistor:R0603" V 6280 1000 50  0001 C CNN
F 3 "~" H 6350 1000 50  0001 C CNN
	1    6350 1000
	1    0    0    -1  
$EndComp
$Comp
L Device:R R5
U 1 1 5CCB7925
P 6200 1000
F 0 "R5" H 6200 1200 50  0000 L CNN
F 1 "4k7" V 6200 900 50  0000 L CNN
F 2 "OPL_Resistor:R0603" V 6130 1000 50  0001 C CNN
F 3 "~" H 6200 1000 50  0001 C CNN
	1    6200 1000
	1    0    0    -1  
$EndComp
$Comp
L Device:R R4
U 1 1 5CCB7AF9
P 6050 1000
F 0 "R4" H 6150 1200 50  0000 R CNN
F 1 "4k7" V 6050 1050 50  0000 R CNN
F 2 "OPL_Resistor:R0603" V 5980 1000 50  0001 C CNN
F 3 "~" H 6050 1000 50  0001 C CNN
	1    6050 1000
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR021
U 1 1 5CCB7F82
P 6050 800
F 0 "#PWR021" H 6050 650 50  0001 C CNN
F 1 "+3V3" H 6065 973 50  0000 C CNN
F 2 "" H 6050 800 50  0001 C CNN
F 3 "" H 6050 800 50  0001 C CNN
	1    6050 800 
	1    0    0    -1  
$EndComp
Wire Wire Line
	6050 850  6050 800 
Wire Wire Line
	6050 850  6200 850 
Connection ~ 6050 850 
Wire Wire Line
	6350 850  6200 850 
Connection ~ 6200 850 
Wire Wire Line
	6350 1150 6350 1200
Wire Wire Line
	6350 1200 6750 1200
Wire Wire Line
	6750 1400 6250 1400
Wire Wire Line
	6200 1400 6200 1150
Wire Wire Line
	6750 1500 6350 1500
Wire Wire Line
	6050 1500 6050 1150
Wire Wire Line
	6200 1600 6250 1600
Wire Wire Line
	6250 1600 6250 1400
Connection ~ 6250 1400
Wire Wire Line
	6250 1400 6200 1400
Wire Wire Line
	6200 1700 6350 1700
Wire Wire Line
	6350 1700 6350 1500
Connection ~ 6350 1500
Wire Wire Line
	6350 1500 6050 1500
Text GLabel 6200 1600 0    50   Input ~ 0
I2C1_SCL
Text GLabel 6200 1700 0    50   Input ~ 0
I2C1_SDA
Text GLabel 7700 1300 2    50   Input ~ 0
A0
Text GLabel 7700 1400 2    50   Input ~ 0
A1
Text GLabel 7700 1500 2    50   Input ~ 0
A2
Text GLabel 7700 1600 2    50   Input ~ 0
A3
Wire Wire Line
	7550 1300 7700 1300
Wire Wire Line
	7700 1400 7550 1400
Wire Wire Line
	7550 1500 7700 1500
Wire Wire Line
	7700 1600 7550 1600
Text GLabel 4000 5250 2    50   Input ~ 0
SWDIO
Text GLabel 4000 5350 2    50   Input ~ 0
SWCLK
Wire Wire Line
	3600 5150 4000 5150
Wire Wire Line
	4000 5250 3600 5250
Wire Wire Line
	4000 5350 3600 5350
Wire Wire Line
	2050 1050 2700 1050
$Comp
L Amplifier_Operational:MCP6002-xSN U4
U 1 1 5CD85C4B
P 7150 2650
F 0 "U4" H 7150 3017 50  0000 C CNN
F 1 "MCP6002-xSN" H 6950 2900 50  0000 C CNN
F 2 "OPL_Integrated_Circuit:SOIC8-1.27-5X4MM" H 7150 2650 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 7150 2650 50  0001 C CNN
	1    7150 2650
	-1   0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:MCP6002-xSN U4
U 2 1 5CD8A5DC
P 7150 3650
F 0 "U4" H 7100 3650 50  0000 C CNN
F 1 "MCP6002-xSN" H 6900 3900 50  0000 C CNN
F 2 "OPL_Integrated_Circuit:SOIC8-1.27-5X4MM" H 7150 3650 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 7150 3650 50  0001 C CNN
	2    7150 3650
	-1   0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:MCP6002-xSN U4
U 3 1 5CD8D318
P 7100 2650
F 0 "U4" H 7150 2650 50  0000 L CNN
F 1 "MCP6002-xSN" H 7050 2400 50  0000 L CNN
F 2 "OPL_Integrated_Circuit:SOIC8-1.27-5X4MM" H 7100 2650 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 7100 2650 50  0001 C CNN
	3    7100 2650
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3VADC #PWR023
U 1 1 5CD9C64B
P 7000 2250
F 0 "#PWR023" H 7150 2200 50  0001 C CNN
F 1 "+3.3VADC" H 7050 2400 50  0000 C CNN
F 2 "" H 7000 2250 50  0001 C CNN
F 3 "" H 7000 2250 50  0001 C CNN
	1    7000 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	7000 2350 7000 2300
$Comp
L power:GNDA #PWR024
U 1 1 5CDA1FD9
P 7000 3000
F 0 "#PWR024" H 7000 2750 50  0001 C CNN
F 1 "GNDA" H 7005 2827 50  0000 C CNN
F 2 "" H 7000 3000 50  0001 C CNN
F 3 "" H 7000 3000 50  0001 C CNN
	1    7000 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	7000 3000 7000 2950
$Comp
L Device:R R18
U 1 1 5CDA89AE
P 8100 2550
F 0 "R18" V 7893 2550 50  0000 C CNN
F 1 "1M" V 7984 2550 50  0000 C CNN
F 2 "OPL_Resistor:R0603" V 8030 2550 50  0001 C CNN
F 3 "~" H 8100 2550 50  0001 C CNN
	1    8100 2550
	0    1    1    0   
$EndComp
$Comp
L Device:R R16
U 1 1 5CDAA2D4
P 7800 2700
F 0 "R16" H 7730 2654 50  0000 R CNN
F 1 "220k" H 7730 2745 50  0000 R CNN
F 2 "OPL_Resistor:R0603" V 7730 2700 50  0001 C CNN
F 3 "~" H 7800 2700 50  0001 C CNN
	1    7800 2700
	-1   0    0    1   
$EndComp
Wire Wire Line
	7450 2550 7800 2550
Wire Wire Line
	7800 2550 7950 2550
Connection ~ 7800 2550
Wire Wire Line
	7800 2850 7800 2950
Wire Wire Line
	7800 2950 7000 2950
Connection ~ 7000 2950
Wire Wire Line
	6850 2650 6800 2650
Wire Wire Line
	6800 2650 6800 2850
Wire Wire Line
	6800 2850 7450 2850
Wire Wire Line
	7450 2850 7450 2750
Wire Wire Line
	6850 3650 6800 3650
Wire Wire Line
	6800 3650 6800 3850
Wire Wire Line
	6800 3850 7500 3850
Wire Wire Line
	7500 3850 7500 3750
Wire Wire Line
	7500 3750 7450 3750
$Comp
L Device:R R19
U 1 1 5CDC13F0
P 8100 3550
F 0 "R19" V 7893 3550 50  0000 C CNN
F 1 "1M" V 7984 3550 50  0000 C CNN
F 2 "OPL_Resistor:R0603" V 8030 3550 50  0001 C CNN
F 3 "~" H 8100 3550 50  0001 C CNN
	1    8100 3550
	0    1    1    0   
$EndComp
$Comp
L Device:R R17
U 1 1 5CDC2713
P 7800 3700
F 0 "R17" H 7730 3654 50  0000 R CNN
F 1 "220k" H 7730 3745 50  0000 R CNN
F 2 "OPL_Resistor:R0603" V 7730 3700 50  0001 C CNN
F 3 "~" H 7800 3700 50  0001 C CNN
	1    7800 3700
	-1   0    0    1   
$EndComp
Wire Wire Line
	7950 3550 7800 3550
Wire Wire Line
	7450 3550 7800 3550
Connection ~ 7800 3550
$Comp
L power:GNDA #PWR030
U 1 1 5CDCD044
P 7800 4000
F 0 "#PWR030" H 7800 3750 50  0001 C CNN
F 1 "GNDA" H 7805 3827 50  0000 C CNN
F 2 "" H 7800 4000 50  0001 C CNN
F 3 "" H 7800 4000 50  0001 C CNN
	1    7800 4000
	1    0    0    -1  
$EndComp
Text GLabel 8250 2550 2    50   Input ~ 0
HV_A4
Text GLabel 8250 3550 2    50   Input ~ 0
HV_A5
$Comp
L Device:R R9
U 1 1 5CDD40B1
P 6450 2650
F 0 "R9" V 6243 2650 50  0000 C CNN
F 1 "220" V 6334 2650 50  0000 C CNN
F 2 "OPL_Resistor:R0603" V 6380 2650 50  0001 C CNN
F 3 "~" H 6450 2650 50  0001 C CNN
	1    6450 2650
	0    1    1    0   
$EndComp
$Comp
L Device:R R10
U 1 1 5CDD463C
P 6450 3650
F 0 "R10" V 6243 3650 50  0000 C CNN
F 1 "220" V 6334 3650 50  0000 C CNN
F 2 "OPL_Resistor:R0603" V 6380 3650 50  0001 C CNN
F 3 "~" H 6450 3650 50  0001 C CNN
	1    6450 3650
	0    1    1    0   
$EndComp
$Comp
L Device:C C15
U 1 1 5CDD50B1
P 6100 2800
F 0 "C15" H 6215 2846 50  0000 L CNN
F 1 "DNP" H 6215 2755 50  0000 L CNN
F 2 "OPL_Capacitor:C0603" H 6138 2650 50  0001 C CNN
F 3 "~" H 6100 2800 50  0001 C CNN
	1    6100 2800
	1    0    0    -1  
$EndComp
$Comp
L Device:C C16
U 1 1 5CDD54B7
P 6100 3800
F 0 "C16" H 6215 3846 50  0000 L CNN
F 1 "DNP" H 6215 3755 50  0000 L CNN
F 2 "OPL_Capacitor:C0603" H 6138 3650 50  0001 C CNN
F 3 "~" H 6100 3800 50  0001 C CNN
	1    6100 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	6100 2950 7000 2950
Wire Wire Line
	6600 2650 6800 2650
Connection ~ 6800 2650
Wire Wire Line
	6100 2650 6300 2650
Wire Wire Line
	6300 3650 6100 3650
Wire Wire Line
	6600 3650 6800 3650
Connection ~ 6800 3650
Wire Wire Line
	7800 3850 7800 3950
Wire Wire Line
	6100 3950 7800 3950
Connection ~ 7800 3950
Wire Wire Line
	7800 3950 7800 4000
Text Notes 8250 2700 0    50   ~ 0
0-18V
Text Notes 8250 3700 0    50   ~ 0
0-18V
Text Notes 7700 1200 0    50   ~ 0
0-3.6V
$Comp
L Device:C C17
U 1 1 5CE0555A
P 6850 2300
F 0 "C17" V 6600 2200 50  0000 C CNN
F 1 "100nF" V 6700 2200 50  0000 C CNN
F 2 "OPL_Resistor:R0603" H 6888 2150 50  0001 C CNN
F 3 "~" H 6850 2300 50  0001 C CNN
	1    6850 2300
	0    1    1    0   
$EndComp
Connection ~ 7000 2300
Wire Wire Line
	7000 2300 7000 2250
$Comp
L power:GNDA #PWR022
U 1 1 5CE05C0C
P 6700 2300
F 0 "#PWR022" H 6700 2050 50  0001 C CNN
F 1 "GNDA" H 6705 2127 50  0000 C CNN
F 2 "" H 6700 2300 50  0001 C CNN
F 3 "" H 6700 2300 50  0001 C CNN
	1    6700 2300
	0    1    1    0   
$EndComp
Text GLabel 4000 4050 2    50   Input ~ 0
A6_OP1
Wire Wire Line
	4000 4050 3600 4050
Wire Wire Line
	3600 4350 4000 4350
Text GLabel 4000 4350 2    50   Input ~ 0
A7_OP4
Wire Wire Line
	3600 4450 4000 4450
Text GLabel 4000 4450 2    50   Input ~ 0
A8_OP3
Text Notes 5800 3050 0    50   ~ 0
Optional anti-aliasing filter
Text Notes 5800 4050 0    50   ~ 0
Optional anti-aliasing filter
$Comp
L Device:R R13
U 1 1 5CE3942E
P 7350 5100
F 0 "R13" H 7280 5054 50  0000 R CNN
F 1 "33k" H 7280 5145 50  0000 R CNN
F 2 "OPL_Resistor:R0603" V 7280 5100 50  0001 C CNN
F 3 "~" H 7350 5100 50  0001 C CNN
	1    7350 5100
	-1   0    0    1   
$EndComp
$Comp
L Device:R R15
U 1 1 5CE39C05
P 7350 6000
F 0 "R15" H 7420 6046 50  0000 L CNN
F 1 "33k" H 7420 5955 50  0000 L CNN
F 2 "OPL_Resistor:R0603" V 7280 6000 50  0001 C CNN
F 3 "~" H 7350 6000 50  0001 C CNN
	1    7350 6000
	1    0    0    -1  
$EndComp
$Comp
L Device:R R14
U 1 1 5CE3AE93
P 7350 5550
F 0 "R14" H 7280 5504 50  0000 R CNN
F 1 "2k2" H 7280 5595 50  0000 R CNN
F 2 "OPL_Resistor:R0603" V 7280 5550 50  0001 C CNN
F 3 "~" H 7350 5550 50  0001 C CNN
	1    7350 5550
	-1   0    0    1   
$EndComp
Wire Wire Line
	7650 6150 7350 6150
Wire Wire Line
	7350 5850 7350 5800
Wire Wire Line
	7350 5400 7350 5300
Wire Wire Line
	7350 4950 7350 4900
Wire Wire Line
	7350 4900 7650 4900
Wire Wire Line
	8250 5000 8300 5000
Wire Wire Line
	8300 5000 8300 5300
Wire Wire Line
	8300 5300 7350 5300
Connection ~ 7350 5300
Wire Wire Line
	7350 5300 7350 5250
Wire Wire Line
	8250 6050 8350 6050
Wire Wire Line
	8350 6050 8350 5800
Wire Wire Line
	8350 5800 7350 5800
Connection ~ 7350 5800
Wire Wire Line
	7350 5800 7350 5700
$Comp
L Amplifier_Operational:TL084 U3
U 3 1 5CE85461
P 7950 4900
F 0 "U3" H 7950 5267 50  0000 C CNN
F 1 "TL084" H 7950 5176 50  0000 C CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 7900 5000 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 8000 5100 50  0001 C CNN
	3    7950 4900
	-1   0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:TL084 U3
U 2 1 5CE880D5
P 7950 6150
F 0 "U3" H 7950 5783 50  0000 C CNN
F 1 "TL084" H 7950 5874 50  0000 C CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 7900 6250 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 8000 6350 50  0001 C CNN
	2    7950 6150
	-1   0    0    1   
$EndComp
$Comp
L Amplifier_Operational:TL084 U3
U 5 1 5CE8B0ED
P 7850 4900
F 0 "U3" H 7808 4946 50  0000 L CNN
F 1 "TL084" H 7808 4855 50  0000 L CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 7800 5000 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 7900 5100 50  0001 C CNN
	5    7850 4900
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR029
U 1 1 5CE8D164
P 7750 5200
F 0 "#PWR029" H 7750 4950 50  0001 C CNN
F 1 "GNDA" H 7755 5027 50  0000 C CNN
F 2 "" H 7750 5200 50  0001 C CNN
F 3 "" H 7750 5200 50  0001 C CNN
	1    7750 5200
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR028
U 1 1 5CE8DCFE
P 7750 4500
F 0 "#PWR028" H 7750 4350 50  0001 C CNN
F 1 "+5V" H 7765 4673 50  0000 C CNN
F 2 "" H 7750 4500 50  0001 C CNN
F 3 "" H 7750 4500 50  0001 C CNN
	1    7750 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	7750 4600 7750 4550
$Comp
L Device:C C18
U 1 1 5CE954DB
P 7550 4550
F 0 "C18" V 7300 4450 50  0000 C CNN
F 1 "100nF" V 7400 4450 50  0000 C CNN
F 2 "OPL_Resistor:R0603" H 7588 4400 50  0001 C CNN
F 3 "~" H 7550 4550 50  0001 C CNN
	1    7550 4550
	0    1    1    0   
$EndComp
$Comp
L power:GNDA #PWR027
U 1 1 5CE959D2
P 7350 4550
F 0 "#PWR027" H 7350 4300 50  0001 C CNN
F 1 "GNDA" H 7355 4377 50  0000 C CNN
F 2 "" H 7350 4550 50  0001 C CNN
F 3 "" H 7350 4550 50  0001 C CNN
	1    7350 4550
	0    1    1    0   
$EndComp
Wire Wire Line
	7700 4550 7750 4550
Connection ~ 7750 4550
Wire Wire Line
	7750 4550 7750 4500
Wire Wire Line
	7400 4550 7350 4550
Text Notes 7900 4350 0    50   ~ 0
We use 5V as Seeed doesn't stock quad RRO opamps
$Comp
L Device:R R11
U 1 1 5CEA521D
P 6850 4900
F 0 "R11" V 6643 4900 50  0000 C CNN
F 1 "33k" V 6734 4900 50  0000 C CNN
F 2 "OPL_Resistor:R0603" V 6780 4900 50  0001 C CNN
F 3 "~" H 6850 4900 50  0001 C CNN
	1    6850 4900
	0    1    1    0   
$EndComp
$Comp
L Device:R R12
U 1 1 5CEA58BF
P 6850 6150
F 0 "R12" V 6643 6150 50  0000 C CNN
F 1 "33k" V 6734 6150 50  0000 C CNN
F 2 "OPL_Resistor:R0603" V 6780 6150 50  0001 C CNN
F 3 "~" H 6850 6150 50  0001 C CNN
	1    6850 6150
	0    1    1    0   
$EndComp
$Comp
L Device:R R7
U 1 1 5CEA5ED7
P 6200 6150
F 0 "R7" V 5993 6150 50  0000 C CNN
F 1 "33k" V 6084 6150 50  0000 C CNN
F 2 "OPL_Resistor:R0603" V 6130 6150 50  0001 C CNN
F 3 "~" H 6200 6150 50  0001 C CNN
	1    6200 6150
	0    1    1    0   
$EndComp
$Comp
L Device:R R6
U 1 1 5CEA66FC
P 6200 4900
F 0 "R6" V 5993 4900 50  0000 C CNN
F 1 "33k" V 6084 4900 50  0000 C CNN
F 2 "OPL_Resistor:R0603" V 6130 4900 50  0001 C CNN
F 3 "~" H 6200 4900 50  0001 C CNN
	1    6200 4900
	0    1    1    0   
$EndComp
Wire Wire Line
	6350 4900 6550 4900
Wire Wire Line
	6350 6150 6550 6150
Wire Wire Line
	7000 6150 7350 6150
Connection ~ 7350 6150
Wire Wire Line
	7000 4900 7350 4900
Connection ~ 7350 4900
$Comp
L Amplifier_Operational:TL084 U3
U 1 1 5CEC4FD2
P 6150 5500
F 0 "U3" H 6150 5867 50  0000 C CNN
F 1 "TL084" H 6150 5776 50  0000 C CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 6100 5600 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 6200 5700 50  0001 C CNN
	1    6150 5500
	-1   0    0    -1  
$EndComp
Wire Wire Line
	6050 6150 5750 6150
Wire Wire Line
	5750 6150 5750 5500
Wire Wire Line
	5750 5500 5850 5500
Wire Wire Line
	6450 5600 6550 5600
Wire Wire Line
	6550 5600 6550 6150
Connection ~ 6550 6150
Wire Wire Line
	6550 6150 6700 6150
Wire Wire Line
	6450 5400 6550 5400
Wire Wire Line
	6550 5400 6550 4900
Connection ~ 6550 4900
Wire Wire Line
	6550 4900 6700 4900
$Comp
L power:GNDA #PWR020
U 1 1 5CEE37E7
P 5800 4950
F 0 "#PWR020" H 5800 4700 50  0001 C CNN
F 1 "GNDA" H 5805 4777 50  0000 C CNN
F 2 "" H 5800 4950 50  0001 C CNN
F 3 "" H 5800 4950 50  0001 C CNN
	1    5800 4950
	1    0    0    -1  
$EndComp
Wire Wire Line
	6050 4900 5800 4900
Wire Wire Line
	5800 4900 5800 4950
$Comp
L Device:LED D1
U 1 1 5CF6B715
P 2550 6700
F 0 "D1" H 2700 6650 50  0000 C CNN
F 1 "LED" H 2250 6650 50  0000 C CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 2550 6700 50  0001 C CNN
F 3 "~" H 2550 6700 50  0001 C CNN
	1    2550 6700
	-1   0    0    1   
$EndComp
$Comp
L Device:LED D2
U 1 1 5CF90308
P 2550 6900
F 0 "D2" H 2700 6850 50  0000 C CNN
F 1 "LED" H 2250 6850 50  0000 C CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 2550 6900 50  0001 C CNN
F 3 "~" H 2550 6900 50  0001 C CNN
	1    2550 6900
	-1   0    0    1   
$EndComp
$Comp
L Device:LED D3
U 1 1 5CF9073F
P 2550 7100
F 0 "D3" H 2700 7050 50  0000 C CNN
F 1 "LED" H 2250 7050 50  0000 C CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 2550 7100 50  0001 C CNN
F 3 "~" H 2550 7100 50  0001 C CNN
	1    2550 7100
	-1   0    0    1   
$EndComp
$Comp
L Device:LED D4
U 1 1 5CF90E68
P 2550 7300
F 0 "D4" H 2700 7250 50  0000 C CNN
F 1 "LED" H 2250 7250 50  0000 C CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 2550 7300 50  0001 C CNN
F 3 "~" H 2550 7300 50  0001 C CNN
	1    2550 7300
	-1   0    0    1   
$EndComp
$Comp
L Device:R R20
U 1 1 5CF927A4
P 2100 6700
F 0 "R20" V 2000 6550 50  0000 C CNN
F 1 "220" V 2000 6850 50  0000 C CNN
F 2 "OPL_Resistor:R0603" V 2030 6700 50  0001 C CNN
F 3 "~" H 2100 6700 50  0001 C CNN
	1    2100 6700
	0    1    1    0   
$EndComp
$Comp
L Device:R R21
U 1 1 5CFABEB4
P 2100 6900
F 0 "R21" V 2000 6750 50  0000 C CNN
F 1 "220" V 2000 7050 50  0000 C CNN
F 2 "OPL_Resistor:R0603" V 2030 6900 50  0001 C CNN
F 3 "~" H 2100 6900 50  0001 C CNN
	1    2100 6900
	0    1    1    0   
$EndComp
$Comp
L Device:R R22
U 1 1 5CFAC11B
P 2100 7100
F 0 "R22" V 2000 6950 50  0000 C CNN
F 1 "220" V 2000 7250 50  0000 C CNN
F 2 "OPL_Resistor:R0603" V 2030 7100 50  0001 C CNN
F 3 "~" H 2100 7100 50  0001 C CNN
	1    2100 7100
	0    1    1    0   
$EndComp
$Comp
L Device:R R23
U 1 1 5CFAC469
P 2100 7300
F 0 "R23" V 2000 7150 50  0000 C CNN
F 1 "220" V 2000 7450 50  0000 C CNN
F 2 "OPL_Resistor:R0603" V 2030 7300 50  0001 C CNN
F 3 "~" H 2100 7300 50  0001 C CNN
	1    2100 7300
	0    1    1    0   
$EndComp
$Comp
L power:+3.3V #PWR0101
U 1 1 5CFAD372
P 1800 6650
F 0 "#PWR0101" H 1800 6500 50  0001 C CNN
F 1 "+3.3V" H 1815 6823 50  0000 C CNN
F 2 "" H 1800 6650 50  0001 C CNN
F 3 "" H 1800 6650 50  0001 C CNN
	1    1800 6650
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 6700 1800 6700
Wire Wire Line
	1800 6700 1800 6650
Wire Wire Line
	1800 6700 1800 6900
Wire Wire Line
	1800 6900 1950 6900
Connection ~ 1800 6700
Wire Wire Line
	1800 6900 1800 7100
Wire Wire Line
	1800 7100 1950 7100
Connection ~ 1800 6900
Wire Wire Line
	1800 7100 1800 7300
Wire Wire Line
	1800 7300 1950 7300
Connection ~ 1800 7100
Wire Wire Line
	2250 6700 2400 6700
Wire Wire Line
	2400 6900 2250 6900
Wire Wire Line
	2250 7100 2400 7100
Wire Wire Line
	2250 7300 2400 7300
$Comp
L power:GND #PWR0102
U 1 1 5D00610C
P 2750 7350
F 0 "#PWR0102" H 2750 7100 50  0001 C CNN
F 1 "GND" H 2755 7177 50  0000 C CNN
F 2 "" H 2750 7350 50  0001 C CNN
F 3 "" H 2750 7350 50  0001 C CNN
	1    2750 7350
	1    0    0    -1  
$EndComp
Wire Wire Line
	2750 7350 2750 7300
Wire Wire Line
	2750 7300 2700 7300
$Comp
L Connector:Conn_01x06_Male J2
U 1 1 5D028E86
P 4900 6900
F 0 "J2" H 5008 7281 50  0000 C CNN
F 1 "PROG" H 5008 7190 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical" H 4900 6900 50  0001 C CNN
F 3 "~" H 4900 6900 50  0001 C CNN
	1    4900 6900
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4700 6700 4600 6700
Wire Wire Line
	4600 6700 4600 6650
$Comp
L power:GND #PWR0104
U 1 1 5D04EC71
P 4600 7250
F 0 "#PWR0104" H 4600 7000 50  0001 C CNN
F 1 "GND" H 4605 7077 50  0000 C CNN
F 2 "" H 4600 7250 50  0001 C CNN
F 3 "" H 4600 7250 50  0001 C CNN
	1    4600 7250
	1    0    0    -1  
$EndComp
Wire Wire Line
	4700 7200 4600 7200
Wire Wire Line
	4600 7200 4600 7250
Text GLabel 4550 6800 0    50   Input ~ 0
SWDIO
Text GLabel 4550 6900 0    50   Input ~ 0
SWCLK
Text GLabel 2350 2500 2    50   Input ~ 0
NRST
Wire Wire Line
	2200 2500 2200 2850
Wire Wire Line
	2350 2500 2200 2500
Connection ~ 2200 2500
Text GLabel 4550 7000 0    50   Input ~ 0
NRST
Wire Wire Line
	4550 7000 4700 7000
Wire Wire Line
	4700 6900 4550 6900
Wire Wire Line
	4550 6800 4700 6800
$Comp
L Connector:Conn_01x04_Male J1
U 1 1 5D09FFAB
P 1600 4550
F 0 "J1" H 1708 4831 50  0000 C CNN
F 1 "COMM" H 1708 4740 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical" H 1600 4550 50  0001 C CNN
F 3 "~" H 1600 4550 50  0001 C CNN
	1    1600 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	1800 4550 2300 4550
Wire Wire Line
	2300 4650 1800 4650
$Comp
L power:+3.3V #PWR0105
U 1 1 5D0B976A
P 1900 4400
F 0 "#PWR0105" H 1900 4250 50  0001 C CNN
F 1 "+3.3V" H 1915 4573 50  0000 C CNN
F 2 "" H 1900 4400 50  0001 C CNN
F 3 "" H 1900 4400 50  0001 C CNN
	1    1900 4400
	1    0    0    -1  
$EndComp
Wire Wire Line
	1900 4400 1900 4450
Wire Wire Line
	1900 4450 1800 4450
$Comp
L power:GND #PWR0106
U 1 1 5D0C6863
P 1850 4800
F 0 "#PWR0106" H 1850 4550 50  0001 C CNN
F 1 "GND" H 1855 4627 50  0000 C CNN
F 2 "" H 1850 4800 50  0001 C CNN
F 3 "" H 1850 4800 50  0001 C CNN
	1    1850 4800
	1    0    0    -1  
$EndComp
Wire Wire Line
	1850 4800 1850 4750
Wire Wire Line
	1850 4750 1800 4750
Text GLabel 2950 6700 2    50   Input ~ 0
LED0
Text GLabel 2950 6900 2    50   Input ~ 0
LED1
Text GLabel 2950 7100 2    50   Input ~ 0
LED2
Wire Wire Line
	2950 7100 2700 7100
Wire Wire Line
	2700 6900 2950 6900
Wire Wire Line
	2950 6700 2700 6700
Text GLabel 2050 5250 0    50   Input ~ 0
LED0
Text GLabel 2050 5350 0    50   Input ~ 0
LED1
Text GLabel 2050 5450 0    50   Input ~ 0
LED2
Wire Wire Line
	2050 5250 2300 5250
Wire Wire Line
	2300 5350 2050 5350
Wire Wire Line
	2300 5450 2050 5450
Text GLabel 8500 6250 2    50   Input ~ 0
IA_L
Text GLabel 8500 4800 2    50   Input ~ 0
IA_H
Wire Wire Line
	8500 4800 8250 4800
Wire Wire Line
	8500 6250 8250 6250
$Comp
L Connector:Screw_Terminal_01x06 J3
U 1 1 5D14108F
P 9900 1300
F 0 "J3" H 9980 1292 50  0000 L CNN
F 1 "INSTR" H 9980 1201 50  0000 L CNN
F 2 "TerminalBlock_Phoenix:TerminalBlock_Phoenix_MPT-0,5-6-2.54_1x06_P2.54mm_Horizontal" H 9900 1300 50  0001 C CNN
F 3 "~" H 9900 1300 50  0001 C CNN
	1    9900 1300
	1    0    0    -1  
$EndComp
$Comp
L Connector:Screw_Terminal_01x06 J4
U 1 1 5D1437FC
P 9900 2250
F 0 "J4" H 9980 2242 50  0000 L CNN
F 1 "GENERAL" H 9980 2151 50  0000 L CNN
F 2 "TerminalBlock_Phoenix:TerminalBlock_Phoenix_MPT-0,5-6-2.54_1x06_P2.54mm_Horizontal" H 9900 2250 50  0001 C CNN
F 3 "~" H 9900 2250 50  0001 C CNN
	1    9900 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	9600 1050 9600 1100
Wire Wire Line
	9600 1100 9700 1100
$Comp
L power:GNDA #PWR0107
U 1 1 5D160B3E
P 9600 1650
F 0 "#PWR0107" H 9600 1400 50  0001 C CNN
F 1 "GNDA" H 9605 1477 50  0000 C CNN
F 2 "" H 9600 1650 50  0001 C CNN
F 3 "" H 9600 1650 50  0001 C CNN
	1    9600 1650
	1    0    0    -1  
$EndComp
Wire Wire Line
	9700 1600 9600 1600
Wire Wire Line
	9600 1600 9600 1650
Text GLabel 9600 2450 0    50   Input ~ 0
HV_A4
Text GLabel 9600 2550 0    50   Input ~ 0
HV_A5
Wire Wire Line
	9550 1400 9700 1400
Wire Wire Line
	9700 1300 9550 1300
$Comp
L power:+3.3VADC #PWR0108
U 1 1 5D1C5701
P 9600 1050
F 0 "#PWR0108" H 9750 1000 50  0001 C CNN
F 1 "+3.3VADC" H 9620 1193 50  0000 C CNN
F 2 "" H 9600 1050 50  0001 C CNN
F 3 "" H 9600 1050 50  0001 C CNN
	1    9600 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	9700 1200 9600 1200
Wire Wire Line
	9600 1200 9600 1100
Connection ~ 9600 1100
Wire Wire Line
	9700 1500 9600 1500
Wire Wire Line
	9600 1500 9600 1600
Connection ~ 9600 1600
Text GLabel 9600 2150 0    50   Input ~ 0
A0
Text GLabel 9600 2050 0    50   Input ~ 0
A1
Text GLabel 9600 2250 0    50   Input ~ 0
A2
Text GLabel 9600 2350 0    50   Input ~ 0
A3
Wire Wire Line
	9600 2250 9700 2250
Wire Wire Line
	9700 2350 9600 2350
Wire Wire Line
	9600 2450 9700 2450
Wire Wire Line
	9700 2550 9600 2550
Text GLabel 9550 1300 0    50   Input ~ 0
IA_H
Text GLabel 9550 1400 0    50   Input ~ 0
IA_L
Text GLabel 5800 2650 0    50   Input ~ 0
A7_OP4
Text GLabel 5800 3650 0    50   Input ~ 0
A6_OP1
Text GLabel 5600 5500 0    50   Input ~ 0
A8_OP3
Wire Wire Line
	5600 5500 5750 5500
Connection ~ 5750 5500
Wire Wire Line
	5800 2650 6100 2650
Connection ~ 6100 2650
Wire Wire Line
	5800 3650 6100 3650
Connection ~ 6100 3650
$Comp
L Connector:TestPoint TP1
U 1 1 5D2CECA2
P 5750 5500
F 0 "TP1" H 5808 5618 50  0000 L CNN
F 1 "IA_OUT" H 5600 5750 50  0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D2.0mm" H 5950 5500 50  0001 C CNN
F 3 "~" H 5950 5500 50  0001 C CNN
	1    5750 5500
	1    0    0    -1  
$EndComp
$Comp
L Connector:TestPoint TP3
U 1 1 5D2CF247
P 6100 3650
F 0 "TP3" H 6158 3768 50  0000 L CNN
F 1 "HV_A5" H 5950 3900 50  0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D2.0mm" H 6300 3650 50  0001 C CNN
F 3 "~" H 6300 3650 50  0001 C CNN
	1    6100 3650
	1    0    0    -1  
$EndComp
$Comp
L Connector:TestPoint TP2
U 1 1 5D2CFE90
P 6100 2650
F 0 "TP2" H 6158 2768 50  0000 L CNN
F 1 "HV_A4" H 5950 2900 50  0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D2.0mm" H 6300 2650 50  0001 C CNN
F 3 "~" H 6300 2650 50  0001 C CNN
	1    6100 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 7200 4600 7100
Wire Wire Line
	4600 7100 4700 7100
Connection ~ 4600 7200
Text Notes 7600 5600 0    50   ~ 0
Gain = 15\nHigher gain is possible using the internal PGA
$Comp
L Graphic:Logo_Open_Hardware_Large #LOGO1
U 1 1 5D31835F
P 10350 5800
F 0 "#LOGO1" H 10350 6300 50  0001 C CNN
F 1 "Logo_Open_Hardware_Large" H 10350 5400 50  0001 C CNN
F 2 "" H 10350 5800 50  0001 C CNN
F 3 "~" H 10350 5800 50  0001 C CNN
	1    10350 5800
	1    0    0    -1  
$EndComp
NoConn ~ 3600 3950
NoConn ~ 3600 4150
NoConn ~ 3600 4250
NoConn ~ 3600 4550
NoConn ~ 3600 4650
NoConn ~ 3600 4750
NoConn ~ 2300 4750
NoConn ~ 2300 4850
NoConn ~ 2300 4950
NoConn ~ 2300 5050
NoConn ~ 2300 5150
NoConn ~ 2300 3550
NoConn ~ 2300 3650
NoConn ~ 2300 3750
NoConn ~ 2300 3950
NoConn ~ 2300 4050
NoConn ~ 2300 4150
NoConn ~ 2300 4250
NoConn ~ 2300 4350
NoConn ~ 2300 4450
$Comp
L Amplifier_Operational:TL084 U3
U 4 1 5D48065D
P 6150 6700
F 0 "U3" H 6150 6333 50  0000 C CNN
F 1 "TL084" H 6150 6424 50  0000 C CNN
F 2 "Package_SO:SOIC-14_3.9x8.7mm_P1.27mm" H 6100 6800 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tl081.pdf" H 6200 6900 50  0001 C CNN
	4    6150 6700
	-1   0    0    1   
$EndComp
$Comp
L power:GNDA #PWR0109
U 1 1 5D487CCE
P 6600 6850
F 0 "#PWR0109" H 6600 6600 50  0001 C CNN
F 1 "GNDA" H 6605 6677 50  0000 C CNN
F 2 "" H 6600 6850 50  0001 C CNN
F 3 "" H 6600 6850 50  0001 C CNN
	1    6600 6850
	1    0    0    -1  
$EndComp
Wire Wire Line
	6450 6800 6600 6800
Wire Wire Line
	6600 6800 6600 6850
Wire Wire Line
	6450 6600 6600 6600
Wire Wire Line
	6600 6600 6600 6800
Connection ~ 6600 6800
$Comp
L power:GND #PWR0110
U 1 1 5CE0C86F
P 3850 3450
F 0 "#PWR0110" H 3850 3200 50  0001 C CNN
F 1 "GND" H 3855 3277 50  0000 C CNN
F 2 "" H 3850 3450 50  0001 C CNN
F 3 "" H 3850 3450 50  0001 C CNN
	1    3850 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	9600 2050 9700 2050
Wire Wire Line
	9700 2150 9600 2150
Text GLabel 2100 4550 1    50   Input ~ 0
I2C1_SCL
Text GLabel 2100 4650 3    50   Input ~ 0
I2C1_SDA
Wire Wire Line
	3100 5650 3100 5750
Wire Wire Line
	3100 5750 3000 5750
Connection ~ 3000 5750
Wire Wire Line
	3200 2350 3200 2500
Wire Wire Line
	3100 2500 3200 2500
Connection ~ 3100 2500
Connection ~ 3200 2500
Wire Wire Line
	3200 2500 3200 2650
Wire Wire Line
	3100 5900 3100 5750
Connection ~ 3100 5900
Connection ~ 3100 5750
NoConn ~ 3600 4850
NoConn ~ 3600 4950
NoConn ~ 5850 6700
NoConn ~ 2050 1150
NoConn ~ 3600 5450
$Comp
L power:VBUS #PWR0103
U 1 1 5CFA7608
P 2850 850
F 0 "#PWR0103" H 2850 700 50  0001 C CNN
F 1 "VBUS" H 2865 1023 50  0000 C CNN
F 2 "" H 2850 850 50  0001 C CNN
F 3 "" H 2850 850 50  0001 C CNN
	1    2850 850 
	1    0    0    -1  
$EndComp
$Comp
L power:VBUS #PWR0111
U 1 1 5CFA7CA5
P 4600 6650
F 0 "#PWR0111" H 4600 6500 50  0001 C CNN
F 1 "VBUS" H 4615 6823 50  0000 C CNN
F 2 "" H 4600 6650 50  0001 C CNN
F 3 "" H 4600 6650 50  0001 C CNN
	1    4600 6650
	1    0    0    -1  
$EndComp
$EndSCHEMATC