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:RJ12 J1
U 1 1 603AA045
P 3950 6750
F 0 "J1" H 3620 6754 50  0000 R CNN
F 1 "RJ12" H 3620 6845 50  0000 R CNN
F 2 "Connector_RJ:RJ12_Amphenol_54601" V 3950 6775 50  0001 C CNN
F 3 "~" V 3950 6775 50  0001 C CNN
	1    3950 6750
	-1   0    0    1   
$EndComp
$Comp
L Device:R R2
U 1 1 603ACF16
P 4350 3650
F 0 "R2" V 4250 3600 50  0000 C CNN
F 1 "10K" V 4250 3750 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4280 3650 50  0001 C CNN
F 3 "~" H 4350 3650 50  0001 C CNN
	1    4350 3650
	0    1    1    0   
$EndComp
$Comp
L Device:R R8
U 1 1 603AE4CA
P 4350 3900
F 0 "R8" V 4250 3850 50  0000 C CNN
F 1 "10K" V 4250 4000 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4280 3900 50  0001 C CNN
F 3 "~" H 4350 3900 50  0001 C CNN
	1    4350 3900
	0    1    1    0   
$EndComp
$Comp
L power:+3.3V #PWR03
U 1 1 603B2539
P 900 2350
F 0 "#PWR03" H 900 2200 50  0001 C CNN
F 1 "+3.3V" V 915 2478 50  0000 L CNN
F 2 "" H 900 2350 50  0001 C CNN
F 3 "" H 900 2350 50  0001 C CNN
	1    900  2350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR04
U 1 1 603B3CBA
P 900 4300
F 0 "#PWR04" H 900 4050 50  0001 C CNN
F 1 "GND" H 905 4127 50  0000 C CNN
F 2 "" H 900 4300 50  0001 C CNN
F 3 "" H 900 4300 50  0001 C CNN
	1    900  4300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR09
U 1 1 603B446C
P 2150 4300
F 0 "#PWR09" H 2150 4050 50  0001 C CNN
F 1 "GND" H 2155 4127 50  0000 C CNN
F 2 "" H 2150 4300 50  0001 C CNN
F 3 "" H 2150 4300 50  0001 C CNN
	1    2150 4300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR011
U 1 1 603B4BAB
P 4100 4150
F 0 "#PWR011" H 4100 3900 50  0001 C CNN
F 1 "GND" H 4105 3977 50  0000 C CNN
F 2 "" H 4100 4150 50  0001 C CNN
F 3 "" H 4100 4150 50  0001 C CNN
	1    4100 4150
	1    0    0    -1  
$EndComp
$Comp
L Device:R R4
U 1 1 603B8B6D
P 1950 6500
F 0 "R4" H 2020 6546 50  0000 L CNN
F 1 "10K" H 2020 6455 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1880 6500 50  0001 C CNN
F 3 "~" H 1950 6500 50  0001 C CNN
	1    1950 6500
	1    0    0    -1  
$EndComp
$Comp
L Device:R R1
U 1 1 603B913D
P 1300 6500
F 0 "R1" H 1370 6546 50  0000 L CNN
F 1 "10K" H 1370 6455 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 1230 6500 50  0001 C CNN
F 3 "~" H 1300 6500 50  0001 C CNN
	1    1300 6500
	1    0    0    -1  
$EndComp
Text GLabel 1000 7050 0    50   Input ~ 0
DATA
$Comp
L power:+5V #PWR05
U 1 1 603BB233
P 1950 6100
F 0 "#PWR05" H 1950 5950 50  0001 C CNN
F 1 "+5V" H 1965 6273 50  0000 C CNN
F 2 "" H 1950 6100 50  0001 C CNN
F 3 "" H 1950 6100 50  0001 C CNN
	1    1950 6100
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 6100 1950 6250
Wire Wire Line
	1300 6350 1300 6250
Wire Wire Line
	1300 6250 1950 6250
Connection ~ 1950 6250
Wire Wire Line
	1950 6250 1950 6350
Wire Wire Line
	1950 6650 1950 6700
Wire Wire Line
	1650 7050 1300 7050
Wire Wire Line
	1300 7050 1300 6650
Wire Wire Line
	1000 7050 1300 7050
Connection ~ 1300 7050
$Comp
L power:GND #PWR06
U 1 1 603BD6D9
P 1950 7450
F 0 "#PWR06" H 1950 7200 50  0001 C CNN
F 1 "GND" H 1955 7277 50  0000 C CNN
F 2 "" H 1950 7450 50  0001 C CNN
F 3 "" H 1950 7450 50  0001 C CNN
	1    1950 7450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR08
U 1 1 603C158B
P 3300 7250
F 0 "#PWR08" H 3300 7000 50  0001 C CNN
F 1 "GND" H 3305 7077 50  0000 C CNN
F 2 "" H 3300 7250 50  0001 C CNN
F 3 "" H 3300 7250 50  0001 C CNN
	1    3300 7250
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR07
U 1 1 603C1D9A
P 3300 6400
F 0 "#PWR07" H 3300 6250 50  0001 C CNN
F 1 "+5V" H 3315 6573 50  0000 C CNN
F 2 "" H 3300 6400 50  0001 C CNN
F 3 "" H 3300 6400 50  0001 C CNN
	1    3300 6400
	1    0    0    -1  
$EndComp
Wire Wire Line
	3300 6400 3300 6550
Wire Wire Line
	3300 6650 3550 6650
Wire Wire Line
	3550 6550 3300 6550
Connection ~ 3300 6550
Wire Wire Line
	3300 6550 3300 6650
Wire Wire Line
	3550 7050 3300 7050
Wire Wire Line
	3300 7050 3300 7250
Wire Wire Line
	3550 6750 3300 6750
Wire Wire Line
	3300 6750 3300 7050
Connection ~ 3300 7050
Text GLabel 3100 6950 0    50   Input ~ 0
DATA
Wire Wire Line
	3100 6950 3550 6950
NoConn ~ 3550 6850
$Comp
L power:+3.3V #PWR02
U 1 1 603C6C71
P 4100 2900
F 0 "#PWR02" H 4100 2750 50  0001 C CNN
F 1 "+3.3V" H 4000 3050 50  0000 L CNN
F 2 "" H 4100 2900 50  0001 C CNN
F 3 "" H 4100 2900 50  0001 C CNN
	1    4100 2900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR015
U 1 1 603CBFA5
P 5250 7250
F 0 "#PWR015" H 5250 7000 50  0001 C CNN
F 1 "GND" H 5255 7077 50  0000 C CNN
F 2 "" H 5250 7250 50  0001 C CNN
F 3 "" H 5250 7250 50  0001 C CNN
	1    5250 7250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR017
U 1 1 603CC71F
P 5650 7250
F 0 "#PWR017" H 5650 7000 50  0001 C CNN
F 1 "GND" H 5655 7077 50  0000 C CNN
F 2 "" H 5650 7250 50  0001 C CNN
F 3 "" H 5650 7250 50  0001 C CNN
	1    5650 7250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR019
U 1 1 603CCC4C
P 6050 7250
F 0 "#PWR019" H 6050 7000 50  0001 C CNN
F 1 "GND" H 6055 7077 50  0000 C CNN
F 2 "" H 6050 7250 50  0001 C CNN
F 3 "" H 6050 7250 50  0001 C CNN
	1    6050 7250
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR014
U 1 1 603CD6A8
P 5250 6450
F 0 "#PWR014" H 5250 6300 50  0001 C CNN
F 1 "+5V" H 5265 6623 50  0000 C CNN
F 2 "" H 5250 6450 50  0001 C CNN
F 3 "" H 5250 6450 50  0001 C CNN
	1    5250 6450
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR018
U 1 1 603CED78
P 6050 6450
F 0 "#PWR018" H 6050 6300 50  0001 C CNN
F 1 "+3.3V" H 6065 6623 50  0000 C CNN
F 2 "" H 6050 6450 50  0001 C CNN
F 3 "" H 6050 6450 50  0001 C CNN
	1    6050 6450
	1    0    0    -1  
$EndComp
Wire Wire Line
	6050 7050 6050 7250
Wire Wire Line
	5650 6900 5650 7250
Wire Wire Line
	5350 6600 5250 6600
Wire Wire Line
	5250 6600 5250 6500
Connection ~ 5250 6600
$Comp
L Connector:USB_B_Micro J2
U 1 1 603DE563
P 5600 5400
F 0 "J2" H 5370 5389 50  0000 R CNN
F 1 "USB_B_Micro" H 5370 5298 50  0000 R CNN
F 2 "MySymbols:USB_Micro_B_Female" H 5750 5350 50  0001 C CNN
F 3 "~" H 5750 5350 50  0001 C CNN
	1    5600 5400
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR012
U 1 1 603E164F
P 5950 5050
F 0 "#PWR012" H 5950 4900 50  0001 C CNN
F 1 "+5V" H 5965 5223 50  0000 C CNN
F 2 "" H 5950 5050 50  0001 C CNN
F 3 "" H 5950 5050 50  0001 C CNN
	1    5950 5050
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR013
U 1 1 603E1F73
P 5900 5900
F 0 "#PWR013" H 5900 5650 50  0001 C CNN
F 1 "GND" H 5905 5727 50  0000 C CNN
F 2 "" H 5900 5900 50  0001 C CNN
F 3 "" H 5900 5900 50  0001 C CNN
	1    5900 5900
	-1   0    0    -1  
$EndComp
Wire Wire Line
	5500 5800 5500 5850
Wire Wire Line
	5500 5850 5600 5850
Wire Wire Line
	5600 5850 5600 5800
Wire Wire Line
	5600 5850 5900 5850
Wire Wire Line
	5900 5850 5900 5900
Connection ~ 5600 5850
Wire Wire Line
	5900 5200 5950 5200
Wire Wire Line
	5950 5200 5950 5050
Text GLabel 3700 1000 0    50   Input ~ 0
DTR
Text GLabel 3700 1700 0    50   Input ~ 0
RTS
Text GLabel 4850 800  2    50   Output ~ 0
RST
Wire Wire Line
	3700 1000 3800 1000
Wire Wire Line
	4500 1200 3800 1600
Wire Wire Line
	3800 1600 3800 1700
Connection ~ 3800 1700
Wire Wire Line
	3800 1700 3700 1700
Wire Wire Line
	4500 1500 3800 1100
Wire Wire Line
	3800 1100 3800 1000
Connection ~ 3800 1000
$Comp
L Device:R R7
U 1 1 603FD3F8
P 4350 3450
F 0 "R7" V 4250 3450 50  0000 R CNN
F 1 "10K" V 4250 3650 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4280 3450 50  0001 C CNN
F 3 "~" H 4350 3450 50  0001 C CNN
	1    4350 3450
	0    1    1    0   
$EndComp
Wire Wire Line
	5900 5600 5900 5850
Connection ~ 5900 5850
Text GLabel 2250 6700 2    50   Output ~ 0
DSMR_DATA
Wire Wire Line
	2250 6700 1950 6700
Connection ~ 1950 6700
$Comp
L Transistor_FET:BS170F Q1
U 1 1 607A1864
P 1850 7050
F 0 "Q1" H 2055 7096 50  0000 L CNN
F 1 "BS170F" H 2055 7005 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 2050 6975 50  0001 L CIN
F 3 "http://www.diodes.com/assets/Datasheets/BS170F.pdf" H 1850 7050 50  0001 L CNN
	1    1850 7050
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 7250 1950 7450
Wire Wire Line
	1950 6700 1950 6850
$Comp
L Device:R R3
U 1 1 603ADA73
P 4350 3050
F 0 "R3" V 4450 3100 50  0000 C CNN
F 1 "10K" V 4450 2950 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4280 3050 50  0001 C CNN
F 3 "~" H 4350 3050 50  0001 C CNN
	1    4350 3050
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4100 3900 4100 4150
Wire Wire Line
	900  4250 900  4300
$Comp
L Device:C C1
U 1 1 603B2F3D
P 900 4100
F 0 "C1" H 1015 4146 50  0000 L CNN
F 1 "100nF" H 1015 4055 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 938 3950 50  0001 C CNN
F 3 "~" H 900 4100 50  0001 C CNN
	1    900  4100
	1    0    0    -1  
$EndComp
$Comp
L Device:R R5
U 1 1 6088CF24
P 4350 3250
F 0 "R5" V 4250 3200 50  0000 C CNN
F 1 "10K" V 4250 3350 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4280 3250 50  0001 C CNN
F 3 "~" H 4350 3250 50  0001 C CNN
	1    4350 3250
	0    1    1    0   
$EndComp
Wire Wire Line
	5250 7050 5250 7250
Wire Wire Line
	5250 6600 5250 6750
Wire Wire Line
	4100 3050 4200 3050
Wire Wire Line
	4100 3050 4100 3250
Wire Wire Line
	4100 3250 4200 3250
Connection ~ 4100 3050
Wire Wire Line
	4200 3900 4100 3900
Wire Wire Line
	4200 3650 4100 3650
Wire Wire Line
	4100 3250 4100 3450
Wire Wire Line
	4100 3450 4200 3450
Connection ~ 4100 3250
Wire Wire Line
	4500 1900 4850 1900
Text GLabel 4850 1900 2    50   Output ~ 0
GPIO0
Wire Wire Line
	4100 2900 4100 3050
Wire Wire Line
	4500 3650 5150 3650
$Comp
L Device:C C4
U 1 1 60A1E678
P 5150 3900
F 0 "C4" H 5265 3946 50  0000 L CNN
F 1 "100nF" H 5265 3855 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5188 3750 50  0001 C CNN
F 3 "~" H 5150 3900 50  0001 C CNN
	1    5150 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 3650 4100 3450
Connection ~ 4100 3450
Wire Wire Line
	5150 3750 5150 3650
$Comp
L power:GND #PWR0103
U 1 1 60A4A828
P 5150 4150
F 0 "#PWR0103" H 5150 3900 50  0001 C CNN
F 1 "GND" H 5155 3977 50  0000 C CNN
F 2 "" H 5150 4150 50  0001 C CNN
F 3 "" H 5150 4150 50  0001 C CNN
	1    5150 4150
	1    0    0    -1  
$EndComp
Wire Wire Line
	5150 4150 5150 4050
Text Label 4850 3050 2    50   ~ 0
CH_PD
Text Label 4850 3450 2    50   ~ 0
GPIO0
Text Label 4850 3250 2    50   ~ 0
GPIO2
Text Label 4850 3650 2    50   ~ 0
RST
Text Label 4850 3900 2    50   ~ 0
GPIO15
Wire Wire Line
	4500 3450 4850 3450
Wire Wire Line
	4500 3900 4850 3900
Wire Wire Line
	4500 3250 4850 3250
Wire Wire Line
	4500 3050 4850 3050
$Comp
L Transistor_BJT:UMH3N Q2
U 1 1 60AFC880
P 4300 1700
F 0 "Q2" H 4590 1746 50  0000 L CNN
F 1 "UMH3N" H 4590 1655 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-363_SC-70-6" H 4305 1260 50  0001 C CNN
F 3 "http://rohmfs.rohm.com/en/products/databook/datasheet/discrete/transistor/digital/emh3t2r-e.pdf" H 4450 1700 50  0001 C CNN
	1    4300 1700
	1    0    0    1   
$EndComp
$Comp
L Transistor_BJT:UMH3N Q2
U 2 1 60AFD5A1
P 4300 1000
F 0 "Q2" H 4590 954 50  0000 L CNN
F 1 "UMH3N" H 4590 1045 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-363_SC-70-6" H 4305 560 50  0001 C CNN
F 3 "http://rohmfs.rohm.com/en/products/databook/datasheet/discrete/transistor/digital/emh3t2r-e.pdf" H 4450 1000 50  0001 C CNN
	2    4300 1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3800 1700 4100 1700
Wire Wire Line
	3800 1000 4100 1000
Wire Wire Line
	4500 800  4850 800 
Text Label 950  3550 0    50   ~ 0
DSMR_DATA
Text Label 3400 3150 2    50   ~ 0
ESP_RX
Text Label 3400 3050 2    50   ~ 0
ESP_TX
Wire Wire Line
	3050 3150 3400 3150
Wire Wire Line
	3050 3050 3400 3050
Text Label 3400 3450 2    50   ~ 0
GPIO0
Text Label 3400 3550 2    50   ~ 0
GPIO2
Text Label 3400 3650 2    50   ~ 0
GPIO15
Wire Wire Line
	3050 3650 3400 3650
Wire Wire Line
	3050 3550 3400 3550
Wire Wire Line
	3050 3450 3400 3450
Text Label 950  3050 0    50   ~ 0
RST
Text Label 950  3250 0    50   ~ 0
CH_PD
$Comp
L ESP8266:ESP-12 U1
U 1 1 60B730AA
P 2150 3350
F 0 "U1" H 2700 4050 50  0000 C CNN
F 1 "ESP-12" H 2550 2700 50  0000 C CNN
F 2 "ESP8266:ESP-12" H 2150 3350 50  0001 C CNN
F 3 "http://l0l.org.uk/2014/12/esp8266-modules-hardware-guide-gotta-catch-em-all/" H 2150 3350 50  0001 C CNN
	1    2150 3350
	1    0    0    -1  
$EndComp
Wire Wire Line
	1250 3250 950  3250
Wire Wire Line
	1250 3050 950  3050
Wire Wire Line
	900  2350 900  2450
Wire Wire Line
	2150 2450 900  2450
Connection ~ 900  2450
Wire Wire Line
	900  2450 900  3950
Wire Wire Line
	2150 4300 2150 4250
NoConn ~ 1250 3150
NoConn ~ 1250 3350
NoConn ~ 1250 3650
$Comp
L power:GND #PWR0104
U 1 1 60BCD1DA
P 8950 3450
F 0 "#PWR0104" H 8950 3200 50  0001 C CNN
F 1 "GND" H 8955 3277 50  0000 C CNN
F 2 "" H 8950 3450 50  0001 C CNN
F 3 "" H 8950 3450 50  0001 C CNN
	1    8950 3450
	-1   0    0    -1  
$EndComp
Wire Wire Line
	8950 3450 8950 3350
$Comp
L power:+5V #PWR0105
U 1 1 60BD0D6E
P 9050 1550
F 0 "#PWR0105" H 9050 1400 50  0001 C CNN
F 1 "+5V" H 9050 1700 50  0000 C CNN
F 2 "" H 9050 1550 50  0001 C CNN
F 3 "" H 9050 1550 50  0001 C CNN
	1    9050 1550
	-1   0    0    -1  
$EndComp
Wire Wire Line
	9050 1550 9050 1750
$Comp
L power:+3.3V #PWR0106
U 1 1 60BD4522
P 9250 1550
F 0 "#PWR0106" H 9250 1400 50  0001 C CNN
F 1 "+3.3V" H 9150 1700 50  0000 L CNN
F 2 "" H 9250 1550 50  0001 C CNN
F 3 "" H 9250 1550 50  0001 C CNN
	1    9250 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	9250 1550 9250 1700
Wire Wire Line
	9250 1700 9150 1700
Wire Wire Line
	9150 1700 9150 1750
$Comp
L Device:R R6
U 1 1 60BD8598
P 8300 1750
F 0 "R6" V 8400 1800 50  0000 C CNN
F 1 "10K" V 8400 1650 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 8230 1750 50  0001 C CNN
F 3 "~" H 8300 1750 50  0001 C CNN
	1    8300 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	8650 1950 8300 1950
Wire Wire Line
	8300 1950 8300 1900
$Comp
L power:+3.3V #PWR0107
U 1 1 60BDC2CA
P 8300 1550
F 0 "#PWR0107" H 8300 1400 50  0001 C CNN
F 1 "+3.3V" H 8200 1700 50  0000 L CNN
F 2 "" H 8300 1550 50  0001 C CNN
F 3 "" H 8300 1550 50  0001 C CNN
	1    8300 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	8300 1550 8300 1600
Text Label 10000 2050 2    50   ~ 0
ESP_RX
Text Label 10000 1950 2    50   ~ 0
ESP_TX
Wire Wire Line
	9650 1950 10000 1950
Wire Wire Line
	9650 2050 10000 2050
Text Label 10000 2450 2    50   ~ 0
DTR
Text Label 10000 2150 2    50   ~ 0
RTS
Wire Wire Line
	10000 2150 9650 2150
Wire Wire Line
	10000 2450 9650 2450
$Comp
L Device:R R9
U 1 1 60C0A451
P 9900 3200
F 0 "R9" V 9800 3150 50  0000 C CNN
F 1 "10K" V 9800 3300 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 9830 3200 50  0001 C CNN
F 3 "~" H 9900 3200 50  0001 C CNN
	1    9900 3200
	-1   0    0    1   
$EndComp
Wire Wire Line
	9900 3050 9900 2950
Wire Wire Line
	9900 2950 9650 2950
$Comp
L Power_Protection:USBLC6-2P6 U3
U 1 1 60C0FEF9
P 7800 4400
F 0 "U3" H 7600 4050 50  0000 C CNN
F 1 "USBLC6-2P6" H 7500 4750 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-666" H 7800 3900 50  0001 C CNN
F 3 "https://www.st.com/resource/en/datasheet/usblc6-2.pdf" H 8000 4750 50  0001 C CNN
	1    7800 4400
	1    0    0    -1  
$EndComp
Text Label 6100 5400 2    50   ~ 0
D+
Text Label 6100 5500 2    50   ~ 0
D-
Wire Wire Line
	6100 5500 5900 5500
Wire Wire Line
	6100 5400 5900 5400
Text Label 7250 4500 0    50   ~ 0
D+
Text Label 8400 4500 2    50   ~ 0
D-
Wire Wire Line
	7250 4500 7400 4500
Wire Wire Line
	8400 4500 8200 4500
Text Label 7250 4300 0    50   ~ 0
D1+
Text Label 8400 4300 2    50   ~ 0
D1-
Wire Wire Line
	8400 4300 8200 4300
Wire Wire Line
	7250 4300 7400 4300
$Comp
L power:+5V #PWR0108
U 1 1 60C4DD3C
P 7800 3950
F 0 "#PWR0108" H 7800 3800 50  0001 C CNN
F 1 "+5V" H 7815 4123 50  0000 C CNN
F 2 "" H 7800 3950 50  0001 C CNN
F 3 "" H 7800 3950 50  0001 C CNN
	1    7800 3950
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 60C52342
P 7800 4850
F 0 "#PWR0109" H 7800 4600 50  0001 C CNN
F 1 "GND" H 7805 4677 50  0000 C CNN
F 2 "" H 7800 4850 50  0001 C CNN
F 3 "" H 7800 4850 50  0001 C CNN
	1    7800 4850
	-1   0    0    -1  
$EndComp
$Comp
L Device:C C5
U 1 1 60C563AC
P 6900 4350
F 0 "C5" H 7015 4396 50  0000 L CNN
F 1 "100nF" H 7015 4305 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6938 4200 50  0001 C CNN
F 3 "~" H 6900 4350 50  0001 C CNN
	1    6900 4350
	-1   0    0    1   
$EndComp
Wire Wire Line
	6900 4000 6900 4200
Wire Wire Line
	6900 4800 6900 4500
Text Label 8450 2650 0    50   ~ 0
D1+
Text Label 8450 2550 0    50   ~ 0
D1-
Wire Wire Line
	8650 2650 8450 2650
Wire Wire Line
	8650 2550 8450 2550
$Comp
L power:+5V #PWR0110
U 1 1 60C6779B
P 8050 1550
F 0 "#PWR0110" H 8050 1400 50  0001 C CNN
F 1 "+5V" H 8050 1700 50  0000 C CNN
F 2 "" H 8050 1550 50  0001 C CNN
F 3 "" H 8050 1550 50  0001 C CNN
	1    8050 1550
	-1   0    0    -1  
$EndComp
Wire Wire Line
	8050 2450 8050 1550
Wire Wire Line
	8050 2450 8650 2450
$Comp
L power:GND #PWR0111
U 1 1 60C737B3
P 9900 3450
F 0 "#PWR0111" H 9900 3200 50  0001 C CNN
F 1 "GND" H 9905 3277 50  0000 C CNN
F 2 "" H 9900 3450 50  0001 C CNN
F 3 "" H 9900 3450 50  0001 C CNN
	1    9900 3450
	-1   0    0    -1  
$EndComp
Wire Wire Line
	9900 3450 9900 3350
$Comp
L Connector:Conn_01x04_Male J3
U 1 1 60CAF614
P 2050 1400
F 0 "J3" H 2022 1282 50  0000 R CNN
F 1 "Conn_01x04_Male" H 2022 1373 50  0000 R CNN
F 2 "MySymbols:OLED_I2C_128x32" H 2050 1400 50  0001 C CNN
F 3 "~" H 2050 1400 50  0001 C CNN
	1    2050 1400
	1    0    0    1   
$EndComp
Wire Wire Line
	950  3550 1250 3550
Text Label 3400 3350 2    50   ~ 0
EPS_SDA
Text Label 3400 3250 2    50   ~ 0
ESP_SCL
Wire Wire Line
	3400 3250 3050 3250
Wire Wire Line
	3400 3350 3050 3350
Text Label 2650 1200 2    50   ~ 0
ESP_SCL
Text Label 2650 1300 2    50   ~ 0
EPS_SDA
$Comp
L power:+3.3V #PWR01
U 1 1 60CC9A0A
P 2800 1150
F 0 "#PWR01" H 2800 1000 50  0001 C CNN
F 1 "+3.3V" V 2815 1278 50  0000 L CNN
F 2 "" H 2800 1150 50  0001 C CNN
F 3 "" H 2800 1150 50  0001 C CNN
	1    2800 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	2650 1200 2250 1200
Wire Wire Line
	2650 1300 2250 1300
Wire Wire Line
	2800 1150 2800 1400
Wire Wire Line
	2800 1400 2250 1400
$Comp
L power:GND #PWR010
U 1 1 60CF9541
P 2800 1550
F 0 "#PWR010" H 2800 1300 50  0001 C CNN
F 1 "GND" H 2805 1377 50  0000 C CNN
F 2 "" H 2800 1550 50  0001 C CNN
F 3 "" H 2800 1550 50  0001 C CNN
	1    2800 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	2800 1550 2800 1500
Wire Wire Line
	2800 1500 2250 1500
$Comp
L Regulator_Linear:MIC5219-3.3YM5 U2
U 1 1 60DC1061
P 5650 6600
F 0 "U2" H 5650 6942 50  0000 C CNN
F 1 "MIC5219-3.3YM5" H 5650 6851 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 5650 6925 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/MIC5219-500mA-Peak-Output-LDO-Regulator-DS20006021A.pdf" H 5650 6600 50  0001 C CNN
F 4 "Farnell" H 5650 6600 50  0001 C CNN "suppier"
F 5 "2510252" H 5650 6600 50  0001 C CNN "ordercode"
	1    5650 6600
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 6500 5250 6500
Connection ~ 5250 6500
Wire Wire Line
	5250 6500 5250 6450
Wire Wire Line
	5950 6500 6050 6500
Connection ~ 6050 6500
Wire Wire Line
	6050 6500 6050 6450
Wire Wire Line
	6050 6500 6050 6750
NoConn ~ 5950 6600
$Comp
L Device:C C2
U 1 1 60DDDD4A
P 5250 6900
F 0 "C2" H 5365 6946 50  0000 L CNN
F 1 "4,7uF" H 5365 6855 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 5288 6750 50  0001 C CNN
F 3 "~" H 5250 6900 50  0001 C CNN
F 4 "farnell" H 5250 6900 50  0001 C CNN "supplier"
F 5 "2611880" H 5250 6900 50  0001 C CNN "ordercode"
	1    5250 6900
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 60DE60A6
P 6050 6900
F 0 "C3" H 6165 6946 50  0000 L CNN
F 1 "4,7uF" H 6165 6855 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 6088 6750 50  0001 C CNN
F 3 "~" H 6050 6900 50  0001 C CNN
F 4 "farnell" H 6050 6900 50  0001 C CNN "supplier"
F 5 "2611880" H 6050 6900 50  0001 C CNN "ordercode"
	1    6050 6900
	1    0    0    -1  
$EndComp
NoConn ~ 1250 3450
Wire Wire Line
	7800 3950 7800 4000
Wire Wire Line
	7800 4800 7800 4850
Wire Wire Line
	6900 4000 7800 4000
Connection ~ 7800 4000
Wire Wire Line
	6900 4800 7800 4800
Connection ~ 7800 4800
NoConn ~ 9650 2250
NoConn ~ 9650 2350
NoConn ~ 9650 2550
NoConn ~ 9650 2650
NoConn ~ 9650 2850
$Comp
L Interface_USB:CP2102-Axx-xQFN28 U4
U 1 1 6092FD95
P 9150 3050
F 0 "U4" H 9500 4300 50  0000 C CNN
F 1 "CP2102-Axx-xQFN28" H 9550 2900 50  0000 C CNN
F 2 "Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm" H 9200 4850 50  0001 C CNN
F 3 "https://www.silabs.com/documents/public/data-sheets/CP2102-9.pdf" H 8850 3200 50  0001 C CNN
	1    9150 3050
	1    0    0    -1  
$EndComp
Wire Wire Line
	9100 3250 9100 3350
Wire Wire Line
	9100 3350 8950 3350
Connection ~ 8950 3350
Wire Wire Line
	8950 3350 8950 3250
Text Label 9800 2950 0    50   ~ 0
USB_SUSP
$EndSCHEMATC