CurrentSensor.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector:Screw_Terminal_01x02 J?
U 1 1 5FB4DA73
P 7200 6000
F 0 "J?" H 7118 6217 50  0000 C CNN
F 1 "Current Input" H 7118 6126 50  0000 C CNN
F 2 "" H 7200 6000 50  0001 C CNN
F 3 "https://datasheet.lcsc.com/szlcsc/2001152333_Cixi-Kefa-Elec-KF128-2-54-2P_C474920.pdf" H 7200 6000 50  0001 C CNN
F 4 "KF128-2.54-2P" H 7200 6000 50  0001 C CNN "MPN"
F 5 "C474920" H 7200 6000 50  0001 C CNN "LCSC"
	1    7200 6000
	-1   0    0    -1  
$EndComp
Text Label 7400 6000 0    50   ~ 0
DUT_I_IN+
Text Label 7400 6100 0    50   ~ 0
DUT_I_IN-
$Comp
L Connector:USB_C_Receptacle_USB2.0 J?
U 1 1 5FB508A4
P 1200 1550
F 0 "J?" H 1307 2417 50  0000 C CNN
F 1 "USB_C_Socket_USB2.0" H 1307 2326 50  0000 C CNN
F 2 "Connector_USB:USB_C_Receptacle_XKB_U262-16XN-4BVC11" H 1350 1550 50  0001 C CNN
F 3 "https://datasheet.lcsc.com/szlcsc/2002271811_XKB-Enterprise-U262-161N-4BVC11_C319148.pdf" H 1350 1550 50  0001 C CNN
F 4 "U262-161N-4BVC11" H 1200 1550 50  0001 C CNN "MPN"
F 5 "C319148" H 1200 1550 50  0001 C CNN "LCSC"
	1    1200 1550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FB53BCD
P 1200 2550
F 0 "#PWR?" H 1200 2300 50  0001 C CNN
F 1 "GND" H 1205 2377 50  0000 C CNN
F 2 "" H 1200 2550 50  0001 C CNN
F 3 "" H 1200 2550 50  0001 C CNN
	1    1200 2550
	1    0    0    -1  
$EndComp
Wire Wire Line
	900  2450 900  2500
Wire Wire Line
	900  2500 1200 2500
Wire Wire Line
	1200 2500 1200 2550
Wire Wire Line
	1200 2450 1200 2500
Connection ~ 1200 2500
NoConn ~ 1800 2050
NoConn ~ 1800 2150
$Comp
L Device:D_Schottky_Small D?
U 1 1 5FB544EF
P 2000 950
F 0 "D?" H 2000 743 50  0000 C CNN
F 1 "B5819W" H 2000 834 50  0000 C CNN
F 2 "" V 2000 950 50  0001 C CNN
F 3 "~" V 2000 950 50  0001 C CNN
F 4 "B5819W" H 2000 950 50  0001 C CNN "MPN"
F 5 "C8598" H 2000 950 50  0001 C CNN "LCSC"
	1    2000 950 
	-1   0    0    1   
$EndComp
Wire Wire Line
	1800 950  1900 950 
$Comp
L power:VBUS #PWR?
U 1 1 5FB55566
P 2250 850
F 0 "#PWR?" H 2250 700 50  0001 C CNN
F 1 "VBUS" H 2265 1023 50  0000 C CNN
F 2 "" H 2250 850 50  0001 C CNN
F 3 "" H 2250 850 50  0001 C CNN
	1    2250 850 
	1    0    0    -1  
$EndComp
Wire Wire Line
	2100 950  2250 950 
Wire Wire Line
	2250 950  2250 850 
$Comp
L Device:R_Small R?
U 1 1 5FB55E59
P 2000 1150
F 0 "R?" V 2050 1000 50  0000 C CNN
F 1 "5k1" V 2050 800 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 2000 1150 50  0001 C CNN
F 3 "~" H 2000 1150 50  0001 C CNN
F 4 "0402WGF5101TCE" V 2000 1150 50  0001 C CNN "MPN"
F 5 "C25905" V 2000 1150 50  0001 C CNN "LCSC"
	1    2000 1150
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FB56B5A
P 2250 1300
F 0 "#PWR?" H 2250 1050 50  0001 C CNN
F 1 "GND" H 2255 1127 50  0000 C CNN
F 2 "" H 2250 1300 50  0001 C CNN
F 3 "" H 2250 1300 50  0001 C CNN
	1    2250 1300
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R?
U 1 1 5FB576F9
P 2000 1250
F 0 "R?" V 2050 1100 50  0000 C CNN
F 1 "5k1" V 2050 900 50  0000 C CNN
F 2 "" H 2000 1250 50  0001 C CNN
F 3 "~" H 2000 1250 50  0001 C CNN
	1    2000 1250
	0    -1   -1   0   
$EndComp
Wire Wire Line
	1800 1150 1900 1150
Wire Wire Line
	1800 1250 1900 1250
Wire Wire Line
	2100 1150 2250 1150
Wire Wire Line
	2250 1150 2250 1250
Wire Wire Line
	2100 1250 2250 1250
Connection ~ 2250 1250
Wire Wire Line
	2250 1250 2250 1300
Text Label 2450 1550 0    50   ~ 0
USB_CONN_D-
Text Label 2450 1650 0    50   ~ 0
USB_CONN_D+
Wire Wire Line
	1800 1450 1900 1450
Wire Wire Line
	1900 1450 1900 1550
Wire Wire Line
	1900 1550 2450 1550
Wire Wire Line
	1900 1550 1800 1550
Connection ~ 1900 1550
Wire Wire Line
	1800 1650 1900 1650
Wire Wire Line
	1800 1750 1900 1750
Wire Wire Line
	1900 1750 1900 1650
Connection ~ 1900 1650
Wire Wire Line
	1900 1650 2450 1650
$Comp
L Power_Protection:USBLC6-2SC6 U?
U 1 1 5FB592E5
P 4050 1550
F 0 "U?" H 4200 2050 50  0000 C CNN
F 1 "USBLC6-2SC6" H 4400 1950 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-6" H 4050 1050 50  0001 C CNN
F 3 "https://www.st.com/resource/en/datasheet/usblc6-2.pdf" H 4250 1900 50  0001 C CNN
F 4 "USBLC6-2SC6" H 4050 1550 50  0001 C CNN "MPN"
F 5 "C7519" H 4050 1550 50  0001 C CNN "LCSC"
	1    4050 1550
	1    0    0    -1  
$EndComp
$Comp
L power:VBUS #PWR?
U 1 1 5FB5BDDF
P 4050 1050
F 0 "#PWR?" H 4050 900 50  0001 C CNN
F 1 "VBUS" H 4065 1223 50  0000 C CNN
F 2 "" H 4050 1050 50  0001 C CNN
F 3 "" H 4050 1050 50  0001 C CNN
	1    4050 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 1050 4050 1150
Text Label 3650 1650 2    50   ~ 0
USB_CONN_D-
Text Label 4450 1650 0    50   ~ 0
USB_CONN_D+
Text Label 4450 1450 0    50   ~ 0
USB_D+
Text Label 3650 1450 2    50   ~ 0
USB_D-
$Comp
L power:GND #PWR?
U 1 1 5FB5CE88
P 4050 2050
F 0 "#PWR?" H 4050 1800 50  0001 C CNN
F 1 "GND" H 4055 1877 50  0000 C CNN
F 2 "" H 4050 2050 50  0001 C CNN
F 3 "" H 4050 2050 50  0001 C CNN
	1    4050 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 2050 4050 1950
$Comp
L Makeristic-KiCad-Library:STM32F042K6T6 U?
U 1 1 5FB4E981
P 1150 5250
F 0 "U?" H 1950 5515 50  0000 C CNN
F 1 "STM32F042K6T6" H 1950 5424 50  0000 C CNN
F 2 "STMicroelectronics-STM32F042K6T6-*" H 1150 5650 50  0001 L CNN
F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00105814.pdf" H 1150 5750 50  0001 L CNN
F 4 "Manufacturer URL" H 1150 5850 50  0001 L CNN "Component Link 1 Description"
F 5 "http://www.st.com/" H 1150 5950 50  0001 L CNN "Component Link 1 URL"
F 6 "ARM Cortex-M0" H 1150 6050 50  0001 L CNN "Core"
F 7 "Rev. 5" H 1150 6250 50  0001 L CNN "Datasheet Version"
F 8 "32" H 1150 6350 50  0001 L CNN "FLASH Size Prog kB"
F 9 "28" H 1150 6450 50  0001 L CNN "IOs High Current"
F 10 "6" H 1150 6550 50  0001 L CNN "Internal RAM Size kB"
F 11 "Surface Mount" H 1150 6650 50  0001 L CNN "Mounting Technology"
F 12 "48" H 1150 6750 50  0001 L CNN "Operating FrequencyF Processor speed MHz"
F 13 "32-Pin Low Profile Quad Flat Package, 7 x 7 mm Body, 0.8 mm Pitch" H 1150 6850 50  0001 L CNN "Package Description"
F 14 "LQFP32" H 1150 6950 50  0001 L CNN "Package Reference"
F 15 "Tray" H 1150 7050 50  0001 L CNN "Packing"
F 16 "2" H 1150 7150 50  0001 L CNN "Supply VoltageVcc min V"
F 17 "IC" H 1150 7250 50  0001 L CNN "category"
F 18 "15801561" H 1150 7350 50  0001 L CNN "ciiva ids"
F 19 "e61c9770c02bfbac" H 1150 7450 50  0001 L CNN "library id"
F 20 "STMicroelectronics" H 1150 7550 50  0001 L CNN "manufacturer"
F 21 "1490161434" H 1150 7650 50  0001 L CNN "release date"
F 22 "78B6A44B-C300-4CC8-A08D-E0BF3E93AD2B" H 1150 7750 50  0001 L CNN "vault revision"
F 23 "yes" H 1150 7850 50  0001 L CNN "imported"
F 24 "STM32F042K6T6" H 1150 5250 50  0001 C CNN "MPN"
F 25 "C69216" H 1150 5250 50  0001 C CNN "LCSC"
	1    1150 5250
	1    0    0    -1  
$EndComp
Text Label 1250 6650 2    50   ~ 0
SWCLK
Text Label 1250 6550 2    50   ~ 0
SWDIO
Text Label 1250 6450 2    50   ~ 0
USB_D+
Text Label 1250 6350 2    50   ~ 0
USB_D-
Text Label 1250 6250 2    50   ~ 0
USART_RX
Text Label 1250 6150 2    50   ~ 0
USART_TX
Text Label 2650 6150 0    50   ~ 0
I2C_SDA
Text Label 2650 6250 0    50   ~ 0
I2C_SCL
NoConn ~ 2650 5250
NoConn ~ 2650 5350
NoConn ~ 2650 5450
NoConn ~ 2650 5550
NoConn ~ 2650 5650
NoConn ~ 2650 5750
NoConn ~ 2650 5850
NoConn ~ 1250 6050
NoConn ~ 1250 5950
NoConn ~ 1250 5850
NoConn ~ 1250 5750
NoConn ~ 1250 5650
NoConn ~ 1250 5550
NoConn ~ 1250 5450
NoConn ~ 1250 5350
NoConn ~ 1250 5250
NoConn ~ 1250 6750
Text Label 2650 5950 0    50   ~ 0
BOOT0
$Comp
L power:GND #PWR?
U 1 1 5FB56EC4
P 3050 7350
F 0 "#PWR?" H 3050 7100 50  0001 C CNN
F 1 "GND" H 3055 7177 50  0000 C CNN
F 2 "" H 3050 7350 50  0001 C CNN
F 3 "" H 3050 7350 50  0001 C CNN
	1    3050 7350
	1    0    0    -1  
$EndComp
Wire Wire Line
	3050 7050 2650 7050
$Comp
L Device:R_Small R?
U 1 1 5FB58AA1
P 3800 6100
F 0 "R?" V 3604 6100 50  0000 C CNN
F 1 "100k" V 3695 6100 50  0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 3800 6100 50  0001 C CNN
F 3 "~" H 3800 6100 50  0001 C CNN
F 4 "0402WGF1003TCE" H 3800 6100 50  0001 C CNN "MPN"
F 5 "C25741" H 3800 6100 50  0001 C CNN "LCSC"
	1    3800 6100
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FB58F77
P 4000 6200
F 0 "#PWR?" H 4000 5950 50  0001 C CNN
F 1 "GND" H 4005 6027 50  0000 C CNN
F 2 "" H 4000 6200 50  0001 C CNN
F 3 "" H 4000 6200 50  0001 C CNN
	1    4000 6200
	1    0    0    -1  
$EndComp
Text Label 3600 6100 2    50   ~ 0
BOOT0
Wire Wire Line
	3600 6100 3700 6100
Wire Wire Line
	3900 6100 4000 6100
Wire Wire Line
	4000 6100 4000 6200
$Comp
L power:GND #PWR?
U 1 1 5FB5EA1C
P 4200 7000
F 0 "#PWR?" H 4200 6750 50  0001 C CNN
F 1 "GND" H 4205 6827 50  0000 C CNN
F 2 "" H 4200 7000 50  0001 C CNN
F 3 "" H 4200 7000 50  0001 C CNN
	1    4200 7000
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 6800 4200 6800
Wire Wire Line
	4200 6800 4200 6950
$Comp
L Device:C_Small C?
U 1 1 5FB604AB
P 3900 6950
F 0 "C?" V 4050 6950 50  0000 C CNN
F 1 "100nF" V 4150 6950 50  0000 C CNN
F 2 "" H 3900 6950 50  0001 C CNN
F 3 "~" H 3900 6950 50  0001 C CNN
	1    3900 6950
	0    1    1    0   
$EndComp
Wire Wire Line
	3650 6950 3800 6950
Wire Wire Line
	4000 6950 4200 6950
Connection ~ 4200 6950
Wire Wire Line
	4200 6950 4200 7000
$Comp
L power:VBUS #PWR?
U 1 1 5FB64115
P 9150 850
F 0 "#PWR?" H 9150 700 50  0001 C CNN
F 1 "VBUS" H 9165 1023 50  0000 C CNN
F 2 "" H 9150 850 50  0001 C CNN
F 3 "" H 9150 850 50  0001 C CNN
	1    9150 850 
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5FB68461
P 9150 1150
F 0 "C?" H 9242 1196 50  0000 L CNN
F 1 "10uF" H 9242 1105 50  0000 L CNN
F 2 "" H 9150 1150 50  0001 C CNN
F 3 "~" H 9150 1150 50  0001 C CNN
	1    9150 1150
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R?
U 1 1 5FB6BB8F
P 10600 1050
F 0 "R?" H 10659 1096 50  0000 L CNN
F 1 "1k" H 10659 1005 50  0000 L CNN
F 2 "" H 10600 1050 50  0001 C CNN
F 3 "~" H 10600 1050 50  0001 C CNN
	1    10600 1050
	1    0    0    -1  
$EndComp
$Comp
L Device:LED_Small D?
U 1 1 5FB6CC48
P 10600 1250
F 0 "D?" V 10646 1180 50  0000 R CNN
F 1 "LED_Small" V 10555 1180 50  0000 R CNN
F 2 "" V 10600 1250 50  0001 C CNN
F 3 "~" V 10600 1250 50  0001 C CNN
	1    10600 1250
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5FB69E9E
P 10150 1150
F 0 "C?" H 10242 1196 50  0000 L CNN
F 1 "10uF" H 10242 1105 50  0000 L CNN
F 2 "" H 10150 1150 50  0001 C CNN
F 3 "~" H 10150 1150 50  0001 C CNN
	1    10150 1150
	1    0    0    -1  
$EndComp
Connection ~ 9650 1350
$Comp
L power:GND #PWR?
U 1 1 5FB65D70
P 9650 1450
F 0 "#PWR?" H 9650 1200 50  0001 C CNN
F 1 "GND" H 9655 1277 50  0000 C CNN
F 2 "" H 9650 1450 50  0001 C CNN
F 3 "" H 9650 1450 50  0001 C CNN
	1    9650 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	9650 1250 9650 1350
Wire Wire Line
	9650 1350 9650 1450
$Comp
L Regulator_Linear:HT75xx-1-SOT89 U?
U 1 1 5FB62869
P 9650 1050
F 0 "U?" H 9650 1417 50  0000 C CNN
F 1 "HT7533-1" H 9650 1326 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-89-3" H 9650 1375 50  0001 C CIN
F 3 "https://www.holtek.com/documents/10179/116711/HT75xx-1v250.pdf" H 9650 1150 50  0001 C CNN
F 4 "HT7533-1" H 9650 1050 50  0001 C CNN "MPN"
F 5 "C14289" H 9650 1050 50  0001 C CNN "LCSC"
	1    9650 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	9150 1350 9650 1350
Wire Wire Line
	9150 1250 9150 1350
Wire Wire Line
	9150 850  9150 950 
Wire Wire Line
	9150 950  9350 950 
Connection ~ 9150 950 
Wire Wire Line
	9150 950  9150 1050
Wire Wire Line
	9950 950  10150 950 
Wire Wire Line
	10150 1050 10150 950 
Connection ~ 10150 950 
Wire Wire Line
	10150 950  10600 950 
Wire Wire Line
	10150 850  10150 950 
Wire Wire Line
	9650 1350 10150 1350
Wire Wire Line
	10150 1250 10150 1350
Connection ~ 10150 1350
Wire Wire Line
	10150 1350 10600 1350
Wire Wire Line
	1250 7050 1250 6950
$Comp
L Device:C_Small C?
U 1 1 5FB8954D
P 1150 4500
F 0 "C?" H 950 4550 50  0000 L CNN
F 1 "100nF" H 800 4450 50  0000 L CNN
F 2 "" H 1150 4500 50  0001 C CNN
F 3 "~" H 1150 4500 50  0001 C CNN
	1    1150 4500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FB89E9C
P 1150 4600
F 0 "#PWR?" H 1150 4350 50  0001 C CNN
F 1 "GND" H 1155 4427 50  0000 C CNN
F 2 "" H 1150 4600 50  0001 C CNN
F 3 "" H 1150 4600 50  0001 C CNN
	1    1150 4600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FB8E11C
P 10400 6050
F 0 "#PWR?" H 10400 5800 50  0001 C CNN
F 1 "GND" H 10405 5877 50  0000 C CNN
F 2 "" H 10400 6050 50  0001 C CNN
F 3 "" H 10400 6050 50  0001 C CNN
	1    10400 6050
	1    0    0    -1  
$EndComp
Text Label 10300 5750 0    50   ~ 0
I2C_SDA
Text Label 10300 5650 0    50   ~ 0
I2C_SCL
$Comp
L Connector:Conn_01x04_Male J?
U 1 1 5FB8CE3A
P 10100 5850
F 0 "J?" H 10073 5732 50  0000 R CNN
F 1 "STEMMA QT" H 10073 5823 50  0000 R CNN
F 2 "" H 10100 5850 50  0001 C CNN
F 3 "~" H 10100 5850 50  0001 C CNN
	1    10100 5850
	1    0    0    1   
$EndComp
Wire Wire Line
	10300 5950 10400 5950
Wire Wire Line
	10400 5950 10400 6050
Wire Wire Line
	10750 5850 10300 5850
Text Label 9000 5750 2    50   ~ 0
I2C_SCL
$Comp
L Device:R_Small R?
U 1 1 5FB95F1A
P 9200 5750
F 0 "R?" V 9004 5750 50  0000 C CNN
F 1 "4k7" V 9095 5750 50  0000 C CNN
F 2 "" H 9200 5750 50  0001 C CNN
F 3 "~" H 9200 5750 50  0001 C CNN
	1    9200 5750
	0    1    1    0   
$EndComp
Wire Wire Line
	9000 5750 9100 5750
Wire Wire Line
	9300 5750 9400 5750
$Comp
L Device:R_Small R?
U 1 1 5FB99DBA
P 9200 6050
F 0 "R?" V 9004 6050 50  0000 C CNN
F 1 "4k7" V 9095 6050 50  0000 C CNN
F 2 "" H 9200 6050 50  0001 C CNN
F 3 "~" H 9200 6050 50  0001 C CNN
	1    9200 6050
	0    1    1    0   
$EndComp
Wire Wire Line
	9000 6050 9100 6050
Wire Wire Line
	9300 6050 9400 6050
Text Label 9000 6050 2    50   ~ 0
I2C_SDA
$Comp
L Device:Ferrite_Bead_Small FB?
U 1 1 5FBACA56
P 4950 6650
F 0 "FB?" V 4713 6650 50  0000 C CNN
F 1 "100 @ 100Mhz" V 4804 6650 50  0000 C CNN
F 2 "" V 4880 6650 50  0001 C CNN
F 3 "~" H 4950 6650 50  0001 C CNN
	1    4950 6650
	0    1    1    0   
$EndComp
Wire Wire Line
	4550 6550 4550 6650
Wire Wire Line
	4550 6650 4850 6650
$Comp
L power:+3.3VA #PWR?
U 1 1 5FBAEA52
P 5350 6550
F 0 "#PWR?" H 5350 6400 50  0001 C CNN
F 1 "+3.3VA" H 5365 6723 50  0000 C CNN
F 2 "" H 5350 6550 50  0001 C CNN
F 3 "" H 5350 6550 50  0001 C CNN
	1    5350 6550
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5FBB1621
P 5150 6850
F 0 "C?" H 5242 6896 50  0000 L CNN
F 1 "10nF" H 5242 6805 50  0000 L CNN
F 2 "" H 5150 6850 50  0001 C CNN
F 3 "~" H 5150 6850 50  0001 C CNN
	1    5150 6850
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5FBB2577
P 5550 6850
F 0 "C?" H 5642 6896 50  0000 L CNN
F 1 "100nF" H 5642 6805 50  0000 L CNN
F 2 "" H 5550 6850 50  0001 C CNN
F 3 "~" H 5550 6850 50  0001 C CNN
	1    5550 6850
	1    0    0    -1  
$EndComp
Wire Wire Line
	5050 6650 5150 6650
Wire Wire Line
	5150 6650 5150 6750
Wire Wire Line
	5150 6650 5350 6650
Wire Wire Line
	5350 6650 5350 6550
Connection ~ 5150 6650
Wire Wire Line
	5350 6650 5550 6650
Wire Wire Line
	5550 6650 5550 6750
Connection ~ 5350 6650
$Comp
L power:GND #PWR?
U 1 1 5FBB6753
P 5150 7000
F 0 "#PWR?" H 5150 6750 50  0001 C CNN
F 1 "GND" H 5155 6827 50  0000 C CNN
F 2 "" H 5150 7000 50  0001 C CNN
F 3 "" H 5150 7000 50  0001 C CNN
	1    5150 7000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR?
U 1 1 5FBB70DF
P 5550 7000
F 0 "#PWR?" H 5550 6750 50  0001 C CNN
F 1 "GND" H 5555 6827 50  0000 C CNN
F 2 "" H 5550 7000 50  0001 C CNN
F 3 "" H 5550 7000 50  0001 C CNN
	1    5550 7000
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 5FBB7A6C
P 4550 6550
F 0 "#PWR?" H 4550 6400 50  0001 C CNN
F 1 "+3.3V" H 4565 6723 50  0000 C CNN
F 2 "" H 4550 6550 50  0001 C CNN
F 3 "" H 4550 6550 50  0001 C CNN
	1    4550 6550
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 5FBB806C
P 9400 5750
F 0 "#PWR?" H 9400 5600 50  0001 C CNN
F 1 "+3.3V" H 9415 5923 50  0000 C CNN
F 2 "" H 9400 5750 50  0001 C CNN
F 3 "" H 9400 5750 50  0001 C CNN
	1    9400 5750
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 5FBB854C
P 1150 4400
F 0 "#PWR?" H 1150 4250 50  0001 C CNN
F 1 "+3.3V" H 1165 4573 50  0000 C CNN
F 2 "" H 1150 4400 50  0001 C CNN
F 3 "" H 1150 4400 50  0001 C CNN
	1    1150 4400
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 5FBB9575
P 10150 850
F 0 "#PWR?" H 10150 700 50  0001 C CNN
F 1 "+3.3V" H 10165 1023 50  0000 C CNN
F 2 "" H 10150 850 50  0001 C CNN
F 3 "" H 10150 850 50  0001 C CNN
	1    10150 850 
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 5FBBA225
P 10750 5850
F 0 "#PWR?" H 10750 5700 50  0001 C CNN
F 1 "+3.3V" H 10765 6023 50  0000 C CNN
F 2 "" H 10750 5850 50  0001 C CNN
F 3 "" H 10750 5850 50  0001 C CNN
	1    10750 5850
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 5FBBA7C2
P 9400 6050
F 0 "#PWR?" H 9400 5900 50  0001 C CNN
F 1 "+3.3V" H 9415 6223 50  0000 C CNN
F 2 "" H 9400 6050 50  0001 C CNN
F 3 "" H 9400 6050 50  0001 C CNN
	1    9400 6050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3650 6800 3700 6800
Connection ~ 3650 6800
Wire Wire Line
	3650 6800 3650 6950
Wire Wire Line
	3600 6800 3650 6800
Text Label 3600 6800 2    50   ~ 0
NRST
$Comp
L Switch:SW_SPST SW?
U 1 1 5FB5AFCE
P 3900 6800
F 0 "SW?" H 3900 7035 50  0000 C CNN
F 1 "SW_SPST" H 3900 6944 50  0000 C CNN
F 2 "" H 3900 6800 50  0001 C CNN
F 3 "~" H 3900 6800 50  0001 C CNN
	1    3900 6800
	1    0    0    -1  
$EndComp
Text Label 2650 6550 0    50   ~ 0
NRST
$Comp
L power:+3.3VA #PWR?
U 1 1 5FBC7EF1
P 1250 7150
F 0 "#PWR?" H 1250 7000 50  0001 C CNN
F 1 "+3.3VA" V 1265 7277 50  0000 L CNN
F 2 "" H 1250 7150 50  0001 C CNN
F 3 "" H 1250 7150 50  0001 C CNN
	1    1250 7150
	0    -1   -1   0   
$EndComp
$Comp
L power:+3.3V #PWR?
U 1 1 5FBCC94A
P 1250 6950
F 0 "#PWR?" H 1250 6800 50  0001 C CNN
F 1 "+3.3V" V 1265 7078 50  0000 L CNN
F 2 "" H 1250 6950 50  0001 C CNN
F 3 "" H 1250 6950 50  0001 C CNN
	1    1250 6950
	0    -1   -1   0   
$EndComp
Connection ~ 1250 6950
$Comp
L power:+3.3VA #PWR?
U 1 1 5FBDA2A9
P 6250 6550
F 0 "#PWR?" H 6250 6400 50  0001 C CNN
F 1 "+3.3VA" H 6265 6723 50  0000 C CNN
F 2 "" H 6250 6550 50  0001 C CNN
F 3 "" H 6250 6550 50  0001 C CNN
	1    6250 6550
	1    0    0    -1  
$EndComp
$Comp
L power:VSSA #PWR?
U 1 1 5FBDBDA8
P 2650 7150
F 0 "#PWR?" H 2650 7000 50  0001 C CNN
F 1 "VSSA" V 2665 7278 50  0000 L CNN
F 2 "" H 2650 7150 50  0001 C CNN
F 3 "" H 2650 7150 50  0001 C CNN
	1    2650 7150
	0    1    1    0   
$EndComp
Wire Wire Line
	3050 7050 3050 7350
$Comp
L power:VSSA #PWR?
U 1 1 5FBE1707
P 6250 6850
F 0 "#PWR?" H 6250 6700 50  0001 C CNN
F 1 "VSSA" V 6265 6978 50  0000 L CNN
F 2 "" H 6250 6850 50  0001 C CNN
F 3 "" H 6250 6850 50  0001 C CNN
	1    6250 6850
	-1   0    0    1   
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5FBE298F
P 6050 6700
F 0 "C?" H 5850 6750 50  0000 L CNN
F 1 "1uF" H 5800 6650 50  0000 L CNN
F 2 "" H 6050 6700 50  0001 C CNN
F 3 "~" H 6050 6700 50  0001 C CNN
	1    6050 6700
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5FBE42DE
P 6450 6700
F 0 "C?" H 6550 6750 50  0000 L CNN
F 1 "10nF" H 6550 6650 50  0000 L CNN
F 2 "" H 6450 6700 50  0001 C CNN
F 3 "~" H 6450 6700 50  0001 C CNN
	1    6450 6700
	1    0    0    -1  
$EndComp
Wire Wire Line
	6050 6600 6050 6550
Wire Wire Line
	6050 6550 6250 6550
Wire Wire Line
	6450 6600 6450 6550
Wire Wire Line
	6450 6550 6250 6550
Connection ~ 6250 6550
Wire Wire Line
	6050 6800 6050 6850
Wire Wire Line
	6050 6850 6250 6850
Wire Wire Line
	6250 6850 6450 6850
Wire Wire Line
	6450 6850 6450 6800
Connection ~ 6250 6850
$Comp
L power:VSSA #PWR?
U 1 1 5FBEAD1B
P 5850 7000
F 0 "#PWR?" H 5850 6850 50  0001 C CNN
F 1 "VSSA" H 5750 7200 50  0000 L CNN
F 2 "" H 5850 7000 50  0001 C CNN
F 3 "" H 5850 7000 50  0001 C CNN
	1    5850 7000
	-1   0    0    1   
$EndComp
Wire Wire Line
	5150 6950 5150 7000
Wire Wire Line
	5550 6950 5550 7000
Wire Wire Line
	5150 7000 5550 7000
Connection ~ 5150 7000
Connection ~ 5550 7000
Wire Wire Line
	5550 7000 5850 7000
Text Label 3100 3850 2    50   ~ 0
DUT_I_IN-
Wire Wire Line
	3100 3350 3400 3350
Wire Wire Line
	3400 3350 3400 3500
Wire Wire Line
	3100 3850 3400 3850
Wire Wire Line
	3400 3850 3400 3700
$Comp
L Device:R_Small R?
U 1 1 5FBFBF4F
P 6150 2900
F 0 "R?" V 5954 2900 50  0000 C CNN
F 1 "270R" V 6045 2900 50  0000 C CNN
F 2 "" H 6150 2900 50  0001 C CNN
F 3 "~" H 6150 2900 50  0001 C CNN
	1    6150 2900
	0    1    1    0   
$EndComp
Wire Wire Line
	6700 2700 6700 2600
Wire Wire Line
	6800 2600 6700 2600
Text Label 3100 3350 2    50   ~ 0
DUT_I_IN+
Text Label 10550 3000 0    50   ~ 0
DUT_V_OUT+
Text Label 10550 3400 0    50   ~ 0
DUT_V_OUT-
$Comp
L Device:R_Small R?
U 1 1 5FC0E1A2
P 9400 3000
F 0 "R?" V 9204 3000 50  0000 C CNN
F 1 "270R" V 9295 3000 50  0000 C CNN
F 2 "" H 9400 3000 50  0001 C CNN
F 3 "~" H 9400 3000 50  0001 C CNN
	1    9400 3000
	0    1    1    0   
$EndComp
Wire Wire Line
	6250 2900 6500 2900
Wire Wire Line
	3400 3850 4050 3850
Wire Wire Line
	4050 3850 4050 3700
Connection ~ 3400 3850
Connection ~ 4050 3850
$Comp
L Device:R_Small R?
U 1 1 5FC1BE6E
P 5950 3400
F 0 "R?" V 5850 3400 50  0000 C CNN
F 1 "1k 0.05%" V 5750 3400 50  0000 C CNN
F 2 "" H 5950 3400 50  0001 C CNN
F 3 "~" H 5950 3400 50  0001 C CNN
	1    5950 3400
	-1   0    0    1   
$EndComp
$Comp
L Device:R_Small R?
U 1 1 5FC268CA
P 6600 3550
F 0 "R?" V 6700 3300 50  0000 C CNN
F 1 "6k8 0.05%" V 6700 3600 50  0000 C CNN
F 2 "" H 6600 3550 50  0001 C CNN
F 3 "~" H 6600 3550 50  0001 C CNN
	1    6600 3550
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R?
U 1 1 5FC2712C
P 7250 3550
F 0 "R?" V 7350 3300 50  0000 C CNN
F 1 "2k2 0.05%" V 7350 3600 50  0000 C CNN
F 2 "" H 7250 3550 50  0001 C CNN
F 3 "~" H 7250 3550 50  0001 C CNN
	1    7250 3550
	0    1    1    0   
$EndComp
Wire Wire Line
	6700 3550 7150 3550
Wire Wire Line
	7350 3550 7550 3550
Connection ~ 7550 3000
Wire Wire Line
	7550 3000 7100 3000
Wire Wire Line
	6500 3550 6250 3550
Connection ~ 6250 3100
Wire Wire Line
	6250 3100 6500 3100
$Comp
L Device:R_Small R_SENSE_NA
U 1 1 5FBF21BC
P 3400 3600
F 0 "R_SENSE_NA" H 3459 3646 50  0000 L CNN
F 1 "10k 0.05%" H 3459 3555 50  0000 L CNN
F 2 "" H 3400 3600 50  0001 C CNN
F 3 "~" H 3400 3600 50  0001 C CNN
	1    3400 3600
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R_SENSE_UA
U 1 1 5FBF687B
P 4050 3600
F 0 "R_SENSE_UA" H 4109 3646 50  0000 L CNN
F 1 "10R 0.05%" H 4109 3555 50  0000 L CNN
F 2 "" H 4050 3600 50  0001 C CNN
F 3 "~" H 4050 3600 50  0001 C CNN
	1    4050 3600
	1    0    0    -1  
$EndComp
$Comp
L Amplifier_Operational:LMV321 U?
U 1 1 5FC3417D
P 5200 4850
F 0 "U?" H 5300 4750 50  0000 L CNN
F 1 "LMV321AS5X" H 5200 4650 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 5200 4850 50  0001 L CNN
F 3 "https://datasheet.lcsc.com/szlcsc/Texas-Instruments-TI-LMV321IDBVR_C7972.pdf" H 5200 4850 50  0001 C CNN
F 4 "LMV321AS5X" H 5200 4850 50  0001 C CNN "MPN"
F 5 "C154550" H 5200 4850 50  0001 C CNN "LCSC"
	1    5200 4850
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3VA #PWR?
U 1 1 5FC3C839
P 3850 4400
F 0 "#PWR?" H 3850 4250 50  0001 C CNN
F 1 "+3.3VA" V 3865 4527 50  0000 L CNN
F 2 "" H 3850 4400 50  0001 C CNN
F 3 "" H 3850 4400 50  0001 C CNN
	1    3850 4400
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R?
U 1 1 5FC3FB54
P 4100 4600
F 0 "R?" H 3950 4650 50  0000 L CNN
F 1 "100k" H 3850 4550 50  0000 L CNN
F 2 "" H 4100 4600 50  0001 C CNN
F 3 "~" H 4100 4600 50  0001 C CNN
	1    4100 4600
	1    0    0    -1  
$EndComp
$Comp
L power:VSSA #PWR?
U 1 1 5FC4024C
P 3850 5100
F 0 "#PWR?" H 3850 4950 50  0001 C CNN
F 1 "VSSA" V 3850 5250 50  0000 L CNN
F 2 "" H 3850 5100 50  0001 C CNN
F 3 "" H 3850 5100 50  0001 C CNN
	1    3850 5100
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R?
U 1 1 5FC4135C
P 4100 4900
F 0 "R?" H 3950 4950 50  0000 L CNN
F 1 "100k" H 3850 4850 50  0000 L CNN
F 2 "" H 4100 4900 50  0001 C CNN
F 3 "~" H 4100 4900 50  0001 C CNN
	1    4100 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	3850 4400 4100 4400
Wire Wire Line
	4100 4400 4100 4500
Wire Wire Line
	4100 4700 4100 4750
Wire Wire Line
	3850 5100 4100 5100
Wire Wire Line
	4100 5100 4100 5000
Wire Wire Line
	4100 4750 4350 4750
Connection ~ 4100 4750
Wire Wire Line
	4100 4750 4100 4800
$Comp
L Device:C_Small C?
U 1 1 5FC517BE
P 4350 4600
F 0 "C?" H 4442 4646 50  0000 L CNN
F 1 "100nF" H 4442 4555 50  0000 L CNN
F 2 "" H 4350 4600 50  0001 C CNN
F 3 "~" H 4350 4600 50  0001 C CNN
	1    4350 4600
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C?
U 1 1 5FC51880
P 4350 4900
F 0 "C?" H 4442 4946 50  0000 L CNN
F 1 "100nF" H 4442 4855 50  0000 L CNN
F 2 "" H 4350 4900 50  0001 C CNN
F 3 "~" H 4350 4900 50  0001 C CNN
	1    4350 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 4400 4350 4400
Wire Wire Line
	4350 4400 4350 4500
Connection ~ 4100 4400
Wire Wire Line
	4350 4400 5100 4400
Wire Wire Line
	5100 4400 5100 4550
Connection ~ 4350 4400
Wire Wire Line
	4350 4700 4350 4750
Connection ~ 4350 4750
Wire Wire Line
	4350 4750 4900 4750
Wire Wire Line
	4350 4800 4350 4750
Wire Wire Line
	4350 5000 4350 5100
Wire Wire Line
	4350 5100 4100 5100
Connection ~ 4100 5100
Connection ~ 4350 5100
Wire Wire Line
	5100 4250 5100 4400
Connection ~ 5100 4400
Wire Wire Line
	5100 5150 5100 5200
Wire Wire Line
	4900 4950 4750 4950
Wire Wire Line
	4750 4950 4750 5400
Wire Wire Line
	5750 5400 5750 4850
Wire Wire Line
	5750 4850 5500 4850
Text GLabel 5150 5250 2    50   Input ~ 0
VAREF-
Wire Wire Line
	5150 5250 5100 5250
Text GLabel 5050 4250 0    50   Input ~ 0
VAREF+
$Comp
L Device:C_Small C?
U 1 1 5FC81090
P 5350 4400
F 0 "C?" V 5121 4400 50  0000 C CNN
F 1 "100nF" V 5212 4400 50  0000 C CNN
F 2 "" H 5350 4400 50  0001 C CNN
F 3 "~" H 5350 4400 50  0001 C CNN
	1    5350 4400
	0    1    1    0   
$EndComp
Wire Wire Line
	5250 4400 5100 4400
$Comp
L Device:R_Small R?
U 1 1 5FC8ED24
P 5950 4850
F 0 "R?" V 5754 4850 50  0000 C CNN
F 1 "270R" V 5845 4850 50  0000 C CNN
F 2 "" H 5950 4850 50  0001 C CNN
F 3 "~" H 5950 4850 50  0001 C CNN
	1    5950 4850
	0    1    1    0   
$EndComp
Wire Wire Line
	5850 4850 5750 4850
Connection ~ 5750 4850
Wire Wire Line
	6050 4850 6150 4850
Wire Wire Line
	6150 4850 6150 3850
Wire Wire Line
	6150 3850 5950 3850
Connection ~ 5950 3850
Text GLabel 6750 3300 2    50   Input ~ 0
VAREF-
Wire Wire Line
	6800 2700 6700 2700
Connection ~ 6700 2700
Text GLabel 6700 2500 0    50   Input ~ 0
VAREF+
Wire Wire Line
	6700 2500 6700 2600
Connection ~ 6700 2600
Wire Wire Line
	6250 3550 6250 3450
Wire Wire Line
	7550 3550 7550 3450
Wire Wire Line
	6150 3850 6550 3850
Wire Wire Line
	6550 3850 6550 3950
Connection ~ 6150 3850
Wire Wire Line
	6550 3850 7700 3850
Wire Wire Line
	10250 3850 10250 3400
Wire Wire Line
	10250 3400 10550 3400
Connection ~ 6550 3850
Wire Wire Line
	5950 3500 5950 3850
Wire Wire Line
	5950 3300 5950 3100
Wire Wire Line
	5950 3100 6250 3100
Wire Wire Line
	4750 5400 5750 5400
$Comp
L Device:C_Small C?
U 1 1 5FC01CC1
P 6900 2600
F 0 "C?" V 7129 2600 50  0000 C CNN
F 1 "100nF" V 7038 2600 50  0000 C CNN
F 2 "" H 6900 2600 50  0001 C CNN
F 3 "~" H 6900 2600 50  0001 C CNN
	1    6900 2600
	0    -1   -1   0   
$EndComp
Connection ~ 3400 3350
Wire Wire Line
	3400 2850 3400 3350
Wire Wire Line
	4050 3850 4700 3850
$Comp
L power:GNDREF #PWR?
U 1 1 5FDE0FED
P 6550 3950
F 0 "#PWR?" H 6550 3700 50  0001 C CNN
F 1 "GNDREF" H 6555 3777 50  0000 C CNN
F 2 "" H 6550 3950 50  0001 C CNN
F 3 "" H 6550 3950 50  0001 C CNN
	1    6550 3950
	1    0    0    -1  
$EndComp
Wire Wire Line
	5550 2900 6050 2900
$Comp
L Device:R_Small R_SENSE_MA
U 1 1 5FBF7447
P 4700 3600
F 0 "R_SENSE_MA" H 4759 3646 50  0000 L CNN
F 1 "0R01 0.1%" H 4759 3555 50  0000 L CNN
F 2 "" H 4700 3600 50  0001 C CNN
F 3 "~" H 4700 3600 50  0001 C CNN
	1    4700 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	4700 3700 4700 3850
Connection ~ 4700 3850
Wire Wire Line
	4700 3850 5950 3850
Wire Wire Line
	4550 5100 4550 5200
Wire Wire Line
	4550 5200 5100 5200
Wire Wire Line
	4350 5100 4550 5100
Connection ~ 5100 5200
Wire Wire Line
	5100 5200 5100 5250
Text GLabel 5450 4400 2    50   Input ~ 0
VAREF-
Wire Wire Line
	5050 4250 5100 4250
$Comp
L Amplifier_Operational:MAX4239AUT U?
U 1 1 5FF71791
P 8550 3000
F 0 "U?" H 8700 3200 50  0000 L CNN
F 1 "MAX4239AUT" H 8700 3100 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23-6" H 8550 3000 50  0001 C CNN
F 3 "http://datasheets.maximintegrated.com/en/ds/MAX4238-MAX4239.pdf" H 8700 3150 50  0001 C CNN
	1    8550 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	6700 3300 6750 3300
Text GLabel 7100 2600 2    50   Input ~ 0
VAREF-
Wire Wire Line
	7100 2600 7000 2600
$Comp
L Amplifier_Operational:MAX4239AUT U?
U 1 1 5FC36C2E
P 6800 3000
F 0 "U?" H 6950 3200 50  0000 L CNN
F 1 "MAX4239AUT" H 6950 3100 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23-6" H 6800 3000 50  0001 C CNN
F 3 "http://datasheets.maximintegrated.com/en/ds/MAX4238-MAX4239.pdf" H 6950 3150 50  0001 C CNN
	1    6800 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	7900 3000 7900 2900
Wire Wire Line
	7900 2900 8250 2900
Wire Wire Line
	7550 3000 7900 3000
Text GLabel 8500 3300 2    50   Input ~ 0
VAREF-
Wire Wire Line
	8500 3300 8450 3300
$Comp
L Device:C_Small C?
U 1 1 5FFD40E9
P 6900 3450
F 0 "C?" V 6950 3550 50  0000 C CNN
F 1 "10pF" V 6950 3300 50  0000 C CNN
F 2 "" H 6900 3450 50  0001 C CNN
F 3 "~" H 6900 3450 50  0001 C CNN
	1    6900 3450
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6800 3450 6250 3450
Connection ~ 6250 3450
Wire Wire Line
	6250 3450 6250 3100
Wire Wire Line
	7000 3450 7550 3450
Connection ~ 7550 3450
Wire Wire Line
	7550 3450 7550 3000
$Comp
L Device:R_Small R?
U 1 1 5FFECD38
P 8350 3550
F 0 "R?" V 8450 3300 50  0000 C CNN
F 1 "6k8 0.05%" V 8450 3600 50  0000 C CNN
F 2 "" H 8350 3550 50  0001 C CNN
F 3 "~" H 8350 3550 50  0001 C CNN
	1    8350 3550
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R?
U 1 1 5FFECD3E
P 9000 3550
F 0 "R?" V 9100 3300 50  0000 C CNN
F 1 "2k2 0.05%" V 9100 3600 50  0000 C CNN
F 2 "" H 9000 3550 50  0001 C CNN
F 3 "~" H 9000 3550 50  0001 C CNN
	1    9000 3550
	0    1    1    0   
$EndComp
Wire Wire Line
	8450 3550 8900 3550
Wire Wire Line
	9100 3550 9300 3550
Wire Wire Line
	8250 3550 8000 3550
Wire Wire Line
	8000 3550 8000 3450
Wire Wire Line
	9300 3550 9300 3450
$Comp
L Device:C_Small C?
U 1 1 5FFECD49
P 8650 3450
F 0 "C?" V 8700 3550 50  0000 C CNN
F 1 "10pF" V 8700 3300 50  0000 C CNN
F 2 "" H 8650 3450 50  0001 C CNN
F 3 "~" H 8650 3450 50  0001 C CNN
	1    8650 3450
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8550 3450 8000 3450
Connection ~ 8000 3450
Wire Wire Line
	8000 3450 8000 3100
Wire Wire Line
	8750 3450 9300 3450
Wire Wire Line
	8000 3100 8250 3100
$Comp
L Device:R_Small R?
U 1 1 6000F692
P 7700 3400
F 0 "R?" V 7600 3400 50  0000 C CNN
F 1 "1k 0.05%" V 7500 3400 50  0000 C CNN
F 2 "" H 7700 3400 50  0001 C CNN
F 3 "~" H 7700 3400 50  0001 C CNN
	1    7700 3400
	-1   0    0    1   
$EndComp
Wire Wire Line
	7700 3300 7700 3100
Wire Wire Line
	7700 3100 8000 3100
Connection ~ 8000 3100
Wire Wire Line
	7700 3500 7700 3850
Connection ~ 7700 3850
Wire Wire Line
	7700 3850 10250 3850
Wire Wire Line
	9500 3000 9650 3000
Wire Wire Line
	9300 3000 8850 3000
Wire Wire Line
	9300 3450 9650 3450
Wire Wire Line
	9650 3450 9650 3000
Connection ~ 9300 3450
Connection ~ 9650 3000
Wire Wire Line
	9650 3000 10550 3000
Text Notes 3950 3050 0    50   ~ 0
TODO DT3T Switch? Jumpers?
$EndSCHEMATC