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EESchema Schematic File Version 4
LIBS:ESPesh-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text Notes 2350 950 0 157 ~ 31
MCU
Text Notes 9650 950 0 157 ~ 31
USB
$Comp
L Type-C:HRO-TYPE-C-31-M-12 USB1
U 1 1 5D3B82CC
P 10150 1950
F 0 "USB1" H 9981 2747 60 0000 C CNN
F 1 "HRO-TYPE-C-31-M-12" H 9981 2641 60 0000 C CNN
F 2 "Type-C:HRO-TYPE-C-31-M-12-Assembly" H 10150 1950 60 0001 C CNN
F 3 "" H 10150 1950 60 0001 C CNN
1 10150 1950
1 0 0 -1
$EndComp
$Comp
L Device:R R7
U 1 1 5D3E7B48
P 10800 2500
F 0 "R7" H 10870 2546 50 0000 L CNN
F 1 "5K1" H 10870 2455 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 10730 2500 50 0001 C CNN
F 3 "~" H 10800 2500 50 0001 C CNN
1 10800 2500
1 0 0 -1
$EndComp
$Comp
L Device:R R6
U 1 1 5D3E7B4E
P 10650 1900
F 0 "R6" H 10720 1946 50 0000 L CNN
F 1 "5K1" H 10720 1855 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 10580 1900 50 0001 C CNN
F 3 "~" H 10650 1900 50 0001 C CNN
1 10650 1900
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 5D3E7B54
P 10650 2050
F 0 "#PWR0108" H 10650 1800 50 0001 C CNN
F 1 "GND" H 10655 1877 50 0000 C CNN
F 2 "" H 10650 2050 50 0001 C CNN
F 3 "" H 10650 2050 50 0001 C CNN
1 10650 2050
1 0 0 -1
$EndComp
Wire Wire Line
10800 2650 10800 2700
Wire Wire Line
10700 1500 10700 1400
Wire Wire Line
10250 1500 10700 1500
Wire Wire Line
10250 2400 10450 2400
Wire Wire Line
10250 2500 10300 2500
Wire Wire Line
10300 2500 10300 2550
Wire Wire Line
10300 2600 10250 2600
Wire Wire Line
10300 2550 10450 2550
Wire Wire Line
10450 2550 10450 2600
Connection ~ 10300 2550
Wire Wire Line
10300 2550 10300 2600
$Comp
L power:GND #PWR0109
U 1 1 5D4A0BF4
P 10450 2600
F 0 "#PWR0109" H 10450 2350 50 0001 C CNN
F 1 "GND" H 10455 2427 50 0000 C CNN
F 2 "" H 10450 2600 50 0001 C CNN
F 3 "" H 10450 2600 50 0001 C CNN
1 10450 2600
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0111
U 1 1 5D4A0D61
P 10350 1400
F 0 "#PWR0111" H 10350 1150 50 0001 C CNN
F 1 "GND" H 10355 1227 50 0000 C CNN
F 2 "" H 10350 1400 50 0001 C CNN
F 3 "" H 10350 1400 50 0001 C CNN
1 10350 1400
0 -1 -1 0
$EndComp
Wire Wire Line
10250 1400 10350 1400
NoConn ~ 10250 2200
NoConn ~ 10250 1600
$Comp
L power:GND #PWR0112
U 1 1 5D4CCAD3
P 10800 2700
F 0 "#PWR0112" H 10800 2450 50 0001 C CNN
F 1 "GND" H 10805 2527 50 0000 C CNN
F 2 "" H 10800 2700 50 0001 C CNN
F 3 "" H 10800 2700 50 0001 C CNN
1 10800 2700
1 0 0 -1
$EndComp
Wire Wire Line
10250 1700 10650 1700
Wire Wire Line
10650 1700 10650 1750
Text Label 10250 1900 0 50 ~ 0
D+
Wire Wire Line
10250 1900 10400 1900
Text Label 10250 2000 0 50 ~ 0
D-
Wire Wire Line
10250 2000 10400 2000
Text Notes 5600 950 0 157 ~ 31
Power
$Comp
L Regulator_Linear:SPX3819M5-L-3-3 U1
U 1 1 5D06F08A
P 6100 1650
F 0 "U1" H 6100 1992 50 0000 C CNN
F 1 "SPX3819M5-L-3-3" H 6100 1901 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 6100 1975 50 0001 C CNN
F 3 "https://www.exar.com/content/document.ashx?id=22106&languageid=1033&type=Datasheet&partnumber=SPX3819&filename=SPX3819.pdf&part=SPX3819" H 6100 1650 50 0001 C CNN
1 6100 1650
1 0 0 -1
$EndComp
$Comp
L ESP32-PICO-D4:ESP32-PICO-D4 IC1
U 1 1 5D085F2A
P 2150 1550
F 0 "IC1" H 3050 1815 50 0000 C CNN
F 1 "ESP32-PICO-D4" H 3050 1724 50 0000 C CNN
F 2 "ESP32-PICO-D4:ESP32PICOD4" H 3800 1650 50 0001 L CNN
F 3 "https://componentsearchengine.com/Datasheets/1/ESP32-PICO-D4.pdf" H 3800 1550 50 0001 L CNN
F 4 "RF System on a Chip - SoC LGA48-pin, 7*7mm" H 3800 1450 50 0001 L CNN "Description"
F 5 "1.04" H 3800 1350 50 0001 L CNN "Height"
F 6 "356-ESP32-PICO-D4" H 3800 1250 50 0001 L CNN "Mouser Part Number"
F 7 "https://www.mouser.com/Search/Refine.aspx?Keyword=356-ESP32-PICO-D4" H 3800 1150 50 0001 L CNN "Mouser Price/Stock"
F 8 "Espressif Systems" H 3800 1050 50 0001 L CNN "Manufacturer_Name"
F 9 "ESP32-PICO-D4" H 3800 950 50 0001 L CNN "Manufacturer_Part_Number"
1 2150 1550
1 0 0 -1
$EndComp
$Comp
L Device:L_Small L1
U 1 1 5D0D81D3
P 1750 1850
F 0 "L1" H 1709 1804 50 0000 R CNN
F 1 "1.6nH" H 1709 1895 50 0000 R CNN
F 2 "Inductor_SMD:L_0603_1608Metric" H 1750 1850 50 0001 C CNN
F 3 "~" H 1750 1850 50 0001 C CNN
1 1750 1850
-1 0 0 1
$EndComp
$Comp
L PRO-OB-440:PRO-OB-440 ANT1
U 1 1 5D1117D2
P -50 1650
F 0 "ANT1" H 1031 2015 50 0000 C CNN
F 1 "PRO-OB-440" H 1031 1924 50 0000 C CNN
F 2 "PRO-OB-440:PRO-OB-440_1" H 1100 1750 50 0001 L CNN
F 3 "http://www.proant.se/files/user/Datasheet%20-%20OnBoard%20SMD%202400%20MHz%20rev%202.0.pdf" H 1100 1650 50 0001 L CNN
F 4 "OnBoard SMD 2400 antenna" H 1100 1550 50 0001 L CNN "Description"
F 5 "Proant AB" H 1100 1350 50 0001 L CNN "Manufacturer_Name"
F 6 "PRO-OB-440" H 1100 1250 50 0001 L CNN "Manufacturer_Part_Number"
1 -50 1650
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0104
U 1 1 5D111928
P 1350 1550
F 0 "#PWR0104" H 1350 1300 50 0001 C CNN
F 1 "GND" V 1355 1422 50 0000 R CNN
F 2 "" H 1350 1550 50 0001 C CNN
F 3 "" H 1350 1550 50 0001 C CNN
1 1350 1550
0 -1 -1 0
$EndComp
Wire Wire Line
1250 1550 1350 1550
$Comp
L Device:C_Small C2
U 1 1 5D121830
P 1350 2050
F 0 "C2" H 1442 2096 50 0000 L CNN
F 1 "2.7pF" H 1442 2005 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1350 2050 50 0001 C CNN
F 3 "~" H 1350 2050 50 0001 C CNN
1 1350 2050
1 0 0 -1
$EndComp
$Comp
L Device:C_Small C3
U 1 1 5D121896
P 1550 1650
F 0 "C3" V 1300 1650 50 0000 C CNN
F 1 "4.7pF" V 1400 1650 50 0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 1550 1650 50 0001 C CNN
F 3 "~" H 1550 1650 50 0001 C CNN
1 1550 1650
0 -1 -1 0
$EndComp
NoConn ~ 1250 1750
NoConn ~ 1250 1850
$Comp
L power:GND #PWR0106
U 1 1 5D161DB3
P 1350 2250
F 0 "#PWR0106" H 1350 2000 50 0001 C CNN
F 1 "GND" H 1355 2077 50 0000 C CNN
F 2 "" H 1350 2250 50 0001 C CNN
F 3 "" H 1350 2250 50 0001 C CNN
1 1350 2250
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 5D161E1E
P 1750 2050
F 0 "#PWR0107" H 1750 1800 50 0001 C CNN
F 1 "GND" H 1755 1877 50 0000 C CNN
F 2 "" H 1750 2050 50 0001 C CNN
F 3 "" H 1750 2050 50 0001 C CNN
1 1750 2050
1 0 0 -1
$EndComp
$Comp
L power:+3V3 #PWR0113
U 1 1 5D19A430
P 2050 1400
F 0 "#PWR0113" H 2050 1250 50 0001 C CNN
F 1 "+3V3" H 2065 1573 50 0000 C CNN
F 2 "" 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
2050 1400 2050 1550
Wire Wire Line
2050 1550 2150 1550
Wire Wire Line
2050 1550 2050 1750
Wire Wire Line
2050 1750 2150 1750
Connection ~ 2050 1550
Wire Wire Line
2050 1750 2050 1850
Wire Wire Line
2050 1850 2150 1850
Connection ~ 2050 1750
Text Label 1950 3750 0 50 ~ 0
IO0
Wire Wire Line
1350 1950 1350 1650
Wire Wire Line
1350 1650 1450 1650
Wire Wire Line
1350 2250 1350 2150
Wire Wire Line
1250 1650 1350 1650
Connection ~ 1350 1650
Wire Wire Line
1650 1650 1750 1650
Wire Wire Line
1750 1750 1750 1650
Connection ~ 1750 1650
Wire Wire Line
1750 1650 2150 1650
Wire Wire Line
1750 1950 1750 2050
Wire Wire Line
1950 2350 2150 2350
Text Label 1950 2350 0 50 ~ 0
EN
$Comp
L power:+3V3 #PWR0114
U 1 1 5D2523FE
P 4250 2650
F 0 "#PWR0114" H 4250 2500 50 0001 C CNN
F 1 "+3V3" V 4265 2778 50 0000 L CNN
F 2 "" H 4250 2650 50 0001 C CNN
F 3 "" H 4250 2650 50 0001 C CNN
1 4250 2650
0 1 1 0
$EndComp
Wire Wire Line
3950 2650 4250 2650
Wire Wire Line
3950 2950 4150 2950
Text Label 4000 2950 0 50 ~ 0
RXD
Wire Wire Line
3950 3050 4150 3050
Text Label 4000 3050 0 50 ~ 0
TXD
$Comp
L power:GND #PWR0115
U 1 1 5D264683
P 4050 3900
F 0 "#PWR0115" H 4050 3650 50 0001 C CNN
F 1 "GND" H 4055 3727 50 0000 C CNN
F 2 "" H 4050 3900 50 0001 C CNN
F 3 "" H 4050 3900 50 0001 C CNN
1 4050 3900
1 0 0 -1
$EndComp
Wire Wire Line
3950 3850 4050 3850
Wire Wire Line
4050 3850 4050 3900
$Comp
L power:+3V3 #PWR0116
U 1 1 5D26AAAC
P 4100 3400
F 0 "#PWR0116" H 4100 3250 50 0001 C CNN
F 1 "+3V3" V 4115 3528 50 0000 L CNN
F 2 "" H 4100 3400 50 0001 C CNN
F 3 "" H 4100 3400 50 0001 C CNN
1 4100 3400
0 1 1 0
$EndComp
Wire Wire Line
3950 3250 4100 3250
Wire Wire Line
4100 3250 4100 3400
Wire Wire Line
3950 3550 4100 3550
Wire Wire Line
4100 3550 4100 3400
Connection ~ 4100 3400
Wire Wire Line
3950 3150 4150 3150
Wire Wire Line
3950 2850 4150 2850
Wire Wire Line
3950 2750 4150 2750
Wire Wire Line
3950 2550 4150 2550
Wire Wire Line
3950 2450 4150 2450
Wire Wire Line
3950 2350 4150 2350
Wire Wire Line
3950 1650 4150 1650
Text Label 4000 2750 0 50 ~ 0
IO19
Text Label 4000 2850 0 50 ~ 0
IO22
Text Label 4000 2550 0 50 ~ 0
IO23
Text Label 4000 2450 0 50 ~ 0
IO18
Text Label 4000 2350 0 50 ~ 0
LED
Text Label 4000 1650 0 50 ~ 0
IO17
Text Label 4000 3150 0 50 ~ 0
IO21
Wire Wire Line
2150 2450 1950 2450
Wire Wire Line
2150 2550 1950 2550
Wire Wire Line
2150 2650 1950 2650
Wire Wire Line
2150 2750 1950 2750
Wire Wire Line
2150 2850 1950 2850
Wire Wire Line
2150 2950 1950 2950
Wire Wire Line
2150 3050 1950 3050
Wire Wire Line
2150 3150 1950 3150
Wire Wire Line
2150 3250 1950 3250
Wire Wire Line
2150 3450 1950 3450
Wire Wire Line
2150 3550 1950 3550
Wire Wire Line
2150 3650 1950 3650
Wire Wire Line
2150 3950 1950 3950
Wire Wire Line
2150 3850 1950 3850
Text Label 1950 2450 0 50 ~ 0
IO34
Text Label 1950 2550 0 50 ~ 0
IO35
Text Label 1950 2650 0 50 ~ 0
IO32
Text Label 1950 2750 0 50 ~ 0
IO33
Text Label 1950 2850 0 50 ~ 0
IO25
Text Label 1950 2950 0 50 ~ 0
IO26
Text Label 1950 3050 0 50 ~ 0
IO27
Text Label 1950 3150 0 50 ~ 0
SCL
Text Label 1950 3250 0 50 ~ 0
IO12
Text Label 1950 3450 0 50 ~ 0
SDA
Text Label 1950 3550 0 50 ~ 0
IO15
Text Label 1950 3650 0 50 ~ 0
IO2
Text Label 1950 3850 0 50 ~ 0
IO4
Text Label 1950 3950 0 50 ~ 0
IO16
$Comp
L power:+3V3 #PWR0118
U 1 1 5D31FBDE
P 950 2550
F 0 "#PWR0118" H 950 2400 50 0001 C CNN
F 1 "+3V3" H 965 2723 50 0000 C CNN
F 2 "" H 950 2550 50 0001 C CNN
F 3 "" H 950 2550 50 0001 C CNN
1 950 2550
1 0 0 -1
$EndComp
$Comp
L Device:R_Small R1
U 1 1 5D31FCE9
P 950 2700
F 0 "R1" H 891 2654 50 0000 R CNN
F 1 "10K" H 891 2745 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 950 2700 50 0001 C CNN
F 3 "~" H 950 2700 50 0001 C CNN
1 950 2700
-1 0 0 1
$EndComp
$Comp
L Device:C_Small C1
U 1 1 5D31FF4F
P 950 3000
F 0 "C1" H 1042 3046 50 0000 L CNN
F 1 "0.1uF" H 1042 2955 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 950 3000 50 0001 C CNN
F 3 "~" H 950 3000 50 0001 C CNN
1 950 3000
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0119
U 1 1 5D328BB5
P 950 3150
F 0 "#PWR0119" H 950 2900 50 0001 C CNN
F 1 "GND" H 955 2977 50 0000 C CNN
F 2 "" H 950 3150 50 0001 C CNN
F 3 "" H 950 3150 50 0001 C CNN
1 950 3150
1 0 0 -1
$EndComp
Wire Wire Line
950 3150 950 3100
Wire Wire Line
950 2550 950 2600
Wire Wire Line
950 2800 950 2850
Wire Wire Line
950 2850 1300 2850
Connection ~ 950 2850
Wire Wire Line
950 2850 950 2900
Text Label 1200 2850 0 50 ~ 0
EN
$Comp
L power:GND #PWR0120
U 1 1 5D3B15C0
P 1100 4400
F 0 "#PWR0120" H 1100 4150 50 0001 C CNN
F 1 "GND" V 1105 4272 50 0000 R CNN
F 2 "" H 1100 4400 50 0001 C CNN
F 3 "" H 1100 4400 50 0001 C CNN
1 1100 4400
1 0 0 -1
$EndComp
Wire Wire Line
5800 1650 5750 1650
Wire Wire Line
5750 1650 5750 1600
Wire Wire Line
5750 1550 5800 1550
Wire Wire Line
6400 1550 6550 1550
$Comp
L power:+3V3 #PWR0121
U 1 1 5D3CFB98
P 6550 1400
F 0 "#PWR0121" H 6550 1250 50 0001 C CNN
F 1 "+3V3" H 6565 1573 50 0000 C CNN
F 2 "" H 6550 1400 50 0001 C CNN
F 3 "" H 6550 1400 50 0001 C CNN
1 6550 1400
1 0 0 -1
$EndComp
Wire Wire Line
6550 1400 6550 1550
Wire Wire Line
5650 1600 5750 1600
Connection ~ 5750 1600
Wire Wire Line
5750 1600 5750 1550
$Comp
L power:GND #PWR0123
U 1 1 5D40D6FA
P 6100 2150
F 0 "#PWR0123" H 6100 1900 50 0001 C CNN
F 1 "GND" H 6105 1977 50 0000 C CNN
F 2 "" H 6100 2150 50 0001 C CNN
F 3 "" H 6100 2150 50 0001 C CNN
1 6100 2150
1 0 0 -1
$EndComp
Wire Notes Line
7000 6550 7000 450
Wire Notes Line
5000 2500 7000 2500
$Comp
L power:VCC #PWR0101
U 1 1 5D5C2D24
P 10700 1400
F 0 "#PWR0101" H 10700 1250 50 0001 C CNN
F 1 "VCC" H 10717 1573 50 0000 C CNN
F 2 "" H 10700 1400 50 0001 C CNN
F 3 "" H 10700 1400 50 0001 C CNN
1 10700 1400
1 0 0 -1
$EndComp
$Comp
L Device:C_Small C5
U 1 1 5D5C877A
P 5650 1950
F 0 "C5" H 5742 1996 50 0000 L CNN
F 1 "10uF" H 5742 1905 50 0000 L CNN
F 2 "Capacitor_Tantalum_SMD:CP_EIA-2012-12_Kemet-R" H 5650 1950 50 0001 C CNN
F 3 "~" H 5650 1950 50 0001 C CNN
1 5650 1950
1 0 0 -1
$EndComp
$Comp
L Device:C_Small C6
U 1 1 5D5C888E
P 6550 1950
F 0 "C6" H 6642 1996 50 0000 L CNN
F 1 "10uF" H 6642 1905 50 0000 L CNN
F 2 "Capacitor_Tantalum_SMD:CP_EIA-2012-12_Kemet-R" H 6550 1950 50 0001 C CNN
F 3 "~" H 6550 1950 50 0001 C CNN
1 6550 1950
1 0 0 -1
$EndComp
Wire Wire Line
5650 1850 5650 1600
Connection ~ 5650 1600
Wire Wire Line
6550 1850 6550 1550
Connection ~ 6550 1550
Wire Wire Line
5650 2050 5650 2100
Wire Wire Line
5650 2100 6100 2100
Wire Wire Line
6100 1950 6100 2100
Wire Wire Line
6100 2100 6550 2100
Wire Wire Line
6550 2100 6550 2050
Connection ~ 6100 2100
Wire Wire Line
6100 2100 6100 2150
NoConn ~ 6400 1650
$Comp
L power:VCC #PWR0124
U 1 1 5D6141C0
P 10450 2400
F 0 "#PWR0124" H 10450 2250 50 0001 C CNN
F 1 "VCC" V 10467 2528 50 0000 L CNN
F 2 "" H 10450 2400 50 0001 C CNN
F 3 "" H 10450 2400 50 0001 C CNN
1 10450 2400
0 1 1 0
$EndComp
Wire Wire Line
10800 2350 10800 2300
Wire Wire Line
10250 2300 10800 2300
$Comp
L FDN340P:FDN340P IC3
U 1 1 5CD4B1E9
P 8100 2050
F 0 "IC3" H 8500 2315 50 0000 C CNN
F 1 "FDN340P" H 8500 2224 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:SuperSOT-3" H 8750 2150 50 0001 L CNN
F 3 "https://componentsearchengine.com/Datasheets/1/FDN340P.pdf" H 8750 2050 50 0001 L CNN
F 4 "FDN340P, P-channel MOSFET Transistor 2 A 20 V, 3-Pin SuperSOT" H 8750 1950 50 0001 L CNN "Description"
F 5 "1.12" H 8750 1850 50 0001 L CNN "Height"
F 6 "512-FDN340P" H 8750 1750 50 0001 L CNN "Mouser Part Number"
F 7 "https://www.mouser.com/Search/Refine.aspx?Keyword=512-FDN340P" H 8750 1650 50 0001 L CNN "Mouser Price/Stock"
F 8 "Fairchild Semiconductor" H 8750 1550 50 0001 L CNN "Manufacturer_Name"
F 9 "FDN340P" H 8750 1450 50 0001 L CNN "Manufacturer_Part_Number"
1 8100 2050
1 0 0 -1
$EndComp
$Comp
L Diode:MBR0520 D3
U 1 1 5CD55795
P 7850 2350
F 0 "D3" H 7850 2134 50 0000 C CNN
F 1 "MBR0520" H 7850 2225 50 0000 C CNN
F 2 "Diode_SMD:D_SOD-123" H 7850 2175 50 0001 C CNN
F 3 "http://www.mccsemi.com/up_pdf/MBR0520~MBR0580(SOD123).pdf" H 7850 2350 50 0001 C CNN
1 7850 2350
-1 0 0 1
$EndComp
$Comp
L Device:R_Small R10
U 1 1 5CD61D32
P 7600 2550
F 0 "R10" H 7659 2596 50 0000 L CNN
F 1 "100K" H 7659 2505 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7600 2550 50 0001 C CNN
F 3 "~" H 7600 2550 50 0001 C CNN
1 7600 2550
1 0 0 -1
$EndComp
Wire Wire Line
7600 2450 7600 2350
Wire Wire Line
7600 2350 7700 2350
Wire Wire Line
8000 2350 8200 2350
Wire Wire Line
8200 2350 8200 2250
$Comp
L power:+BATT #PWR0122
U 1 1 5CD6EFBB
P 8200 1750
F 0 "#PWR0122" H 8200 1600 50 0001 C CNN
F 1 "+BATT" H 8215 1923 50 0000 C CNN
F 2 "" H 8200 1750 50 0001 C CNN
F 3 "" H 8200 1750 50 0001 C CNN
1 8200 1750
1 0 0 -1
$EndComp
Wire Wire Line
8200 1750 8200 1850
$Comp
L power:VCC #PWR0125
U 1 1 5CD77627
P 7600 2000
F 0 "#PWR0125" H 7600 1850 50 0001 C CNN
F 1 "VCC" H 7617 2173 50 0000 C CNN
F 2 "" H 7600 2000 50 0001 C CNN
F 3 "" H 7600 2000 50 0001 C CNN
1 7600 2000
1 0 0 -1
$EndComp
Wire Wire Line
7600 2350 7600 2050
Wire Wire Line
7600 2050 7900 2050
Connection ~ 7600 2350
Wire Wire Line
7600 2050 7600 2000
Connection ~ 7600 2050
$Comp
L power:GND #PWR0126
U 1 1 5CD8501E
P 7600 2750
F 0 "#PWR0126" H 7600 2500 50 0001 C CNN
F 1 "GND" H 7605 2577 50 0000 C CNN
F 2 "" H 7600 2750 50 0001 C CNN
F 3 "" H 7600 2750 50 0001 C CNN
1 7600 2750
1 0 0 -1
$EndComp
Wire Wire Line
7600 2750 7600 2650
$Comp
L power:VDD #PWR0127
U 1 1 5CD98B6B
P 8400 2350
F 0 "#PWR0127" H 8400 2200 50 0001 C CNN
F 1 "VDD" V 8417 2478 50 0000 L CNN
F 2 "" H 8400 2350 50 0001 C CNN
F 3 "" H 8400 2350 50 0001 C CNN
1 8400 2350
0 1 1 0
$EndComp
Wire Wire Line
8200 2350 8400 2350
Connection ~ 8200 2350
$Comp
L power:VDD #PWR0128
U 1 1 5CD9FD0A
P 5650 1400
F 0 "#PWR0128" H 5650 1250 50 0001 C CNN
F 1 "VDD" H 5667 1573 50 0000 C CNN
F 2 "" H 5650 1400 50 0001 C CNN
F 3 "" H 5650 1400 50 0001 C CNN
1 5650 1400
1 0 0 -1
$EndComp
Wire Wire Line
5650 1600 5650 1400
$Comp
L power:VCC #PWR0131
U 1 1 5CDB7150
P 7950 4550
F 0 "#PWR0131" H 7950 4400 50 0001 C CNN
F 1 "VCC" H 7967 4723 50 0000 C CNN
F 2 "" H 7950 4550 50 0001 C CNN
F 3 "" H 7950 4550 50 0001 C CNN
1 7950 4550
1 0 0 -1
$EndComp
$Comp
L XB6566H0:XB6566H0 U3
U 1 1 5CDD3157
P 10300 4700
F 0 "U3" H 10300 5042 50 0000 C CNN
F 1 "XB6566H0" H 10300 4951 50 0000 C CNN
F 2 "Package_DFN_QFN:DFN-6-1EP_2x2mm_P0.65mm_EP1x1.6mm" H 10300 5025 50 0001 C CNN
F 3 "https://datasheet.lcsc.com/szlcsc/XySemi-XB6566H0_C190847.pdf" H 10300 4700 50 0001 C CNN
1 10300 4700
1 0 0 -1
$EndComp
$Comp
L Device:R_Small R9
U 1 1 5CDD4F34
P 9450 4600
F 0 "R9" V 9254 4600 50 0000 C CNN
F 1 "100" V 9345 4600 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 9450 4600 50 0001 C CNN
F 3 "~" H 9450 4600 50 0001 C CNN
1 9450 4600
0 1 1 0
$EndComp
$Comp
L Device:C_Small C7
U 1 1 5CDD5692
P 9150 4750
F 0 "C7" H 9242 4796 50 0000 L CNN
F 1 "10uF" H 9242 4705 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9150 4750 50 0001 C CNN
F 3 "~" H 9150 4750 50 0001 C CNN
1 9150 4750
1 0 0 -1
$EndComp
$Comp
L SL4054ST25P:SL4054ST25P U2
U 1 1 5CDDF1C1
P 8500 4800
F 0 "U2" H 8500 5265 50 0000 C CNN
F 1 "SL4054ST25P" H 8500 5174 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 8500 5150 50 0001 C CNN
F 3 "https://datasheet.lcsc.com/szlcsc/TECHFUSE-SL4054ST25P_C258510.pdf" H 9150 4100 50 0001 C CNN
1 8500 4800
1 0 0 -1
$EndComp
$Comp
L Device:R_Small R5
U 1 1 5CDE03BF
P 7950 4900
F 0 "R5" H 7891 4854 50 0000 R CNN
F 1 "2K" H 7891 4945 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 7950 4900 50 0001 C CNN
F 3 "~" H 7950 4900 50 0001 C CNN
1 7950 4900
-1 0 0 1
$EndComp
$Comp
L Device:LED D1
U 1 1 5CDE1547
P 7650 4750
F 0 "D1" V 7689 4633 50 0000 R CNN
F 1 "LED" V 7598 4633 50 0000 R CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 7650 4750 50 0001 C CNN
F 3 "~" H 7650 4750 50 0001 C CNN
1 7650 4750
0 -1 -1 0
$EndComp
Wire Wire Line
7650 4600 7950 4600
Wire Wire Line
7950 4550 7950 4600
Connection ~ 7950 4600
Wire Wire Line
7950 4600 8100 4600
Wire Wire Line
7950 4800 7950 4750
Wire Wire Line
7950 4750 8100 4750
Wire Wire Line
7650 4900 7650 5050
Wire Wire Line
7650 5050 7950 5050
Wire Wire Line
7950 5050 7950 5000
$Comp
L power:GND #PWR0132
U 1 1 5CE05CC3
P 8500 5150
F 0 "#PWR0132" H 8500 4900 50 0001 C CNN
F 1 "GND" H 8505 4977 50 0000 C CNN
F 2 "" H 8500 5150 50 0001 C CNN
F 3 "" H 8500 5150 50 0001 C CNN
1 8500 5150
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0133
U 1 1 5CE066C1
P 9150 5000
F 0 "#PWR0133" H 9150 4750 50 0001 C CNN
F 1 "GND" H 9155 4827 50 0000 C CNN
F 2 "" H 9150 5000 50 0001 C CNN
F 3 "" H 9150 5000 50 0001 C CNN
1 9150 5000
1 0 0 -1
$EndComp
$Comp
L Device:R_Small R8
U 1 1 5CE08382
P 8900 4900
F 0 "R8" H 8841 4854 50 0000 R CNN
F 1 "43K" H 8841 4945 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 8900 4900 50 0001 C CNN
F 3 "~" H 8900 4900 50 0001 C CNN
1 8900 4900
-1 0 0 1
$EndComp
Wire Wire Line
8900 4750 8900 4800
Wire Wire Line
8500 5150 8500 5100
Wire Wire Line
8500 5100 8900 5100
Wire Wire Line
8900 5100 8900 5000
Connection ~ 8500 5100
Wire Wire Line
8500 5100 8500 5050
Wire Wire Line
9150 5000 9150 4850
Wire Wire Line
8900 4600 9150 4600
Wire Wire Line
9150 4600 9150 4650
$Comp
L power:+BATT #PWR0134
U 1 1 5CE2FC67
P 9150 4550
F 0 "#PWR0134" H 9150 4400 50 0001 C CNN
F 1 "+BATT" H 9165 4723 50 0000 C CNN
F 2 "" H 9150 4550 50 0001 C CNN
F 3 "" H 9150 4550 50 0001 C CNN
1 9150 4550
1 0 0 -1
$EndComp
Wire Wire Line
9150 4600 9150 4550
Connection ~ 9150 4600
$Comp
L lir2450:LIR2450 BATT1
U 1 1 5CE45705
P 8850 6300
F 0 "BATT1" H 9300 7207 60 0000 C CNN
F 1 "LIR2450" H 9300 7101 60 0000 C CNN
F 2 "LIR2450:LIR2450" H 8850 6300 60 0001 C CNN
F 3 "" H 8850 6300 60 0001 C CNN
1 8850 6300
1 0 0 -1
$EndComp
$Comp
L power:+BATT #PWR0135
U 1 1 5CE4673C
P 8750 5800
F 0 "#PWR0135" H 8750 5650 50 0001 C CNN
F 1 "+BATT" H 8765 5973 50 0000 C CNN
F 2 "" H 8750 5800 50 0001 C CNN
F 3 "" H 8750 5800 50 0001 C CNN
1 8750 5800
1 0 0 -1
$EndComp
Wire Wire Line
9800 5900 9850 5900
Wire Wire Line
9850 5900 9850 6000
Wire Wire Line
8750 5800 8750 5900
Wire Wire Line
8750 5900 8800 5900
Wire Wire Line
9150 4600 9350 4600
$Comp
L Device:C_Small C8
U 1 1 5CE62156
P 9650 4750
F 0 "C8" H 9742 4796 50 0000 L CNN
F 1 "0.1uF" H 9742 4705 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9650 4750 50 0001 C CNN
F 3 "~" H 9650 4750 50 0001 C CNN
1 9650 4750
1 0 0 -1
$EndComp
Wire Wire Line
9550 4600 9650 4600
Wire Wire Line
9650 4600 9650 4650
Wire Wire Line
10000 4700 10000 4800
$Comp
L power:-BATT #PWR0136
U 1 1 5CE7CD35
P 9850 6000
F 0 "#PWR0136" H 9850 5850 50 0001 C CNN
F 1 "-BATT" H 9865 6173 50 0000 C CNN
F 2 "" H 9850 6000 50 0001 C CNN
F 3 "" H 9850 6000 50 0001 C CNN
1 9850 6000
-1 0 0 1
$EndComp
$Comp
L power:-BATT #PWR0137
U 1 1 5CE7D91C
P 10300 5050
F 0 "#PWR0137" H 10300 4900 50 0001 C CNN
F 1 "-BATT" H 10315 5223 50 0000 C CNN
F 2 "" H 10300 5050 50 0001 C CNN
F 3 "" H 10300 5050 50 0001 C CNN
1 10300 5050
-1 0 0 1
$EndComp
Wire Wire Line
10300 5050 10300 5000
Wire Wire Line
10000 4800 10000 5000
Wire Wire Line
10000 5000 10300 5000
Connection ~ 10000 4800
Connection ~ 10300 5000
Wire Wire Line
10600 4600 10600 4700
Connection ~ 10600 4700
Wire Wire Line
10600 4700 10600 4800
Wire Wire Line
10600 4800 10600 4950
Connection ~ 10600 4800
$Comp
L power:GND #PWR0138
U 1 1 5CEAE8F5
P 10600 4950
F 0 "#PWR0138" H 10600 4700 50 0001 C CNN
F 1 "GND" H 10605 4777 50 0000 C CNN
F 2 "" H 10600 4950 50 0001 C CNN
F 3 "" H 10600 4950 50 0001 C CNN
1 10600 4950
1 0 0 -1
$EndComp
Wire Wire Line
9650 4850 9650 5000
Wire Wire Line
9650 5000 10000 5000
Connection ~ 10000 5000
Wire Wire Line
9650 4600 10000 4600
Connection ~ 9650 4600
Text Notes 8250 4000 0 157 ~ 31
LiPO Charger
Wire Notes Line
5000 4900 5000 450
Text Notes 7650 1200 0 157 ~ 31
Power\nSelector
$Comp
L LED:SK6805 D2
U 1 1 5CF2F153
P 1100 4050
F 0 "D2" H 1444 4096 50 0000 L CNN
F 1 "SK6805" H 1444 4005 50 0000 L CNN
F 2 "LED_SMD:LED_SK6805_PLCC4_2.4x2.7mm_P1.3mm" H 1150 3750 50 0001 L TNN
F 3 "https://cdn-shop.adafruit.com/product-files/3484/3484_Datasheet.pdf" H 1200 3675 50 0001 L TNN
1 1100 4050
1 0 0 -1
$EndComp
$Comp
L power:+BATT #PWR0139
U 1 1 5CF44D47
P 1100 3700
F 0 "#PWR0139" H 1100 3550 50 0001 C CNN
F 1 "+BATT" H 1115 3873 50 0000 C CNN
F 2 "" H 1100 3700 50 0001 C CNN
F 3 "" H 1100 3700 50 0001 C CNN
1 1100 3700
1 0 0 -1
$EndComp
Wire Wire Line
1100 4400 1100 4350
Wire Wire Line
1100 3750 1100 3700
Text Label 650 4050 0 50 ~ 0
LED
Wire Wire Line
650 4050 800 4050
$Comp
L Sensor_Humidity:HDC1080 U4
U 1 1 5CFFF9D9
P 5850 4200
F 0 "U4" H 5507 4246 50 0000 R CNN
F 1 "HDC1080" H 5507 4155 50 0000 R CNN
F 2 "Package_SON:Texas_PWSON-N6" H 5800 3950 50 0001 L CNN
F 3 "http://www.ti.com/lit/ds/symlink/hdc1080.pdf" H 5450 4450 50 0001 C CNN
1 5850 4200
1 0 0 -1
$EndComp
Text Label 6200 4100 0 50 ~ 0
SCL
Text Label 6200 4200 0 50 ~ 0
SDA
$Comp
L power:+3V3 #PWR0102
U 1 1 5D00C927
P 5750 3800
F 0 "#PWR0102" H 5750 3650 50 0001 C CNN
F 1 "+3V3" H 5765 3973 50 0000 C CNN
F 2 "" H 5750 3800 50 0001 C CNN
F 3 "" H 5750 3800 50 0001 C CNN
1 5750 3800
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 5D00D85E
P 5750 4550
F 0 "#PWR0103" H 5750 4300 50 0001 C CNN
F 1 "GND" H 5755 4377 50 0000 C CNN
F 2 "" H 5750 4550 50 0001 C CNN
F 3 "" H 5750 4550 50 0001 C CNN
1 5750 4550
1 0 0 -1
$EndComp
$Comp
L Device:C_Small C4
U 1 1 5D00ECE5
P 6000 3850
F 0 "C4" V 5771 3850 50 0000 C CNN
F 1 "0.1uF" V 5862 3850 50 0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6000 3850 50 0001 C CNN
F 3 "~" H 6000 3850 50 0001 C CNN
1 6000 3850
0 1 1 0
$EndComp
$Comp
L power:GND #PWR0105
U 1 1 5D00F9C9
P 6150 3850
F 0 "#PWR0105" H 6150 3600 50 0001 C CNN
F 1 "GND" V 6155 3722 50 0000 R CNN
F 2 "" H 6150 3850 50 0001 C CNN
F 3 "" H 6150 3850 50 0001 C CNN
1 6150 3850
0 -1 -1 0
$EndComp
Wire Wire Line
5750 4500 5750 4550
Wire Notes Line
7000 3500 11250 3500
Wire Notes Line
9150 450 9150 3500
Wire Notes Line
450 4900 7000 4900
$Comp
L Device:R_Small R2
U 1 1 5D073354
P 1750 3750
F 0 "R2" H 1691 3704 50 0000 R CNN
F 1 "10K" H 1691 3795 50 0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 1750 3750 50 0001 C CNN
F 3 "~" H 1750 3750 50 0001 C CNN
1 1750 3750
0 -1 -1 0
$EndComp
$Comp
L power:+3V3 #PWR0110
U 1 1 5D073D53
P 1600 3250
F 0 "#PWR0110" H 1600 3100 50 0001 C CNN
F 1 "+3V3" V 1615 3378 50 0000 L CNN
F 2 "" H 1600 3250 50 0001 C CNN
F 3 "" H 1600 3250 50 0001 C CNN
1 1600 3250
1 0 0 -1
$EndComp
Wire Wire Line
1600 3250 1600 3350
Wire Wire Line
1600 3750 1650 3750
Wire Wire Line
1600 3350 2150 3350
Connection ~ 1600 3350
Wire Wire Line
1600 3350 1600 3750
Wire Wire Line
1850 3750 2150 3750
$Comp
L Device:R_Small R3
U 1 1 5D086414
P 6500 4100
F 0 "R3" V 6304 4100 50 0000 C CNN
F 1 "6.8K" V 6395 4100 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6500 4100 50 0001 C CNN
F 3 "~" H 6500 4100 50 0001 C CNN
1 6500 4100
0 1 1 0
$EndComp
$Comp
L Device:R_Small R4
U 1 1 5D087A18
P 6500 4200
F 0 "R4" V 6600 4200 50 0000 C CNN
F 1 "6.8K" V 6700 4200 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" H 6500 4200 50 0001 C CNN
F 3 "~" H 6500 4200 50 0001 C CNN
1 6500 4200
0 1 1 0
$EndComp
$Comp
L power:+3V3 #PWR0117
U 1 1 5D09AC6D
P 6700 4000
F 0 "#PWR0117" H 6700 3850 50 0001 C CNN
F 1 "+3V3" H 6715 4173 50 0000 C CNN
F 2 "" H 6700 4000 50 0001 C CNN
F 3 "" H 6700 4000 50 0001 C CNN
1 6700 4000
1 0 0 -1
$EndComp
Wire Wire Line
6600 4200 6700 4200
Wire Wire Line
6700 4200 6700 4100
Wire Wire Line
6600 4100 6700 4100
Connection ~ 6700 4100
Wire Wire Line
6700 4100 6700 4000
Wire Wire Line
5750 3800 5750 3850
Wire Wire Line
5750 3850 5900 3850
Connection ~ 5750 3850
Wire Wire Line
5750 3850 5750 3900
Wire Wire Line
6100 3850 6150 3850
Wire Wire Line
6150 4100 6400 4100
Wire Wire Line
6150 4200 6400 4200
Text Notes 5300 3400 0 157 ~ 31
Temperature\nHumidity\nSensor
$Comp
L Connector_Generic:Conn_01x01 J1
U 1 1 5CD1A37B
P 950 5350
F 0 "J1" H 870 5125 50 0000 C CNN
F 1 "Conn_01x01" H 870 5216 50 0000 C CNN
F 2 "CustomFootprints:RoundPad" H 950 5350 50 0001 C CNN
F 3 "~" H 950 5350 50 0001 C CNN
1 950 5350
-1 0 0 1
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J2
U 1 1 5CD1A505
P 950 5700
F 0 "J2" H 870 5475 50 0000 C CNN
F 1 "Conn_01x01" H 870 5566 50 0000 C CNN
F 2 "CustomFootprints:RoundPad" H 950 5700 50 0001 C CNN
F 3 "~" H 950 5700 50 0001 C CNN
1 950 5700
-1 0 0 1
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J3
U 1 1 5CD1A561
P 950 6050
F 0 "J3" H 870 5825 50 0000 C CNN
F 1 "Conn_01x01" H 870 5916 50 0000 C CNN
F 2 "CustomFootprints:RoundPad" H 950 6050 50 0001 C CNN
F 3 "~" H 950 6050 50 0001 C CNN
1 950 6050
-1 0 0 1
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J4
U 1 1 5CD1A5C1
P 950 6400
F 0 "J4" H 870 6175 50 0000 C CNN
F 1 "Conn_01x01" H 870 6266 50 0000 C CNN
F 2 "CustomFootprints:RoundPad" H 950 6400 50 0001 C CNN
F 3 "~" H 950 6400 50 0001 C CNN
1 950 6400
-1 0 0 1
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J5
U 1 1 5CD1A61D
P 950 6750
F 0 "J5" H 870 6525 50 0000 C CNN
F 1 "Conn_01x01" H 870 6616 50 0000 C CNN
F 2 "CustomFootprints:RoundPad" H 950 6750 50 0001 C CNN
F 3 "~" H 950 6750 50 0001 C CNN
1 950 6750
-1 0 0 1
$EndComp
$Comp
L Connector_Generic:Conn_01x01 J6
U 1 1 5CD1A68F
P 950 7100
F 0 "J6" H 870 6875 50 0000 C CNN
F 1 "Conn_01x01" H 870 6966 50 0000 C CNN
F 2 "CustomFootprints:RoundPad" H 950 7100 50 0001 C CNN
F 3 "~" H 950 7100 50 0001 C CNN
1 950 7100
-1 0 0 1
$EndComp
Wire Wire Line
1150 5350 1450 5350
Wire Wire Line
1150 5700 1450 5700
Wire Wire Line
1150 6050 1450 6050
Wire Wire Line
1150 6400 1450 6400
Wire Wire Line
1150 6750 1450 6750
Wire Wire Line
1150 7100 1450 7100
Text Label 1250 5350 0 50 ~ 0
IO18
Text Label 1250 5700 0 50 ~ 0
IO19
Text Label 1250 6050 0 50 ~ 0
IO21
Text Label 1250 6400 0 50 ~ 0
IO22
Text Label 1250 6750 0 50 ~ 0
IO23
Text Label 1250 7100 0 50 ~ 0
IO25
$Comp
L Connector_Generic:Conn_01x01 J7
U 1 1 5CD16D43
P 950 7450
F 0 "J7" H 870 7225 50 0000 C CNN
F 1 "Conn_01x01" H 870 7316 50 0000 C CNN
F 2 "CustomFootprints:RoundPad" H 950 7450 50 0001 C CNN
F 3 "~" H 950 7450 50 0001 C CNN
1 950 7450
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR0129
U 1 1 5CD16ED6
P 1300 7500
F 0 "#PWR0129" H 1300 7250 50 0001 C CNN
F 1 "GND" H 1305 7327 50 0000 C CNN
F 2 "" H 1300 7500 50 0001 C CNN
F 3 "" H 1300 7500 50 0001 C CNN
1 1300 7500
1 0 0 -1
$EndComp
Wire Wire Line
1150 7450 1300 7450
Wire Wire Line
1300 7450 1300 7500
$EndSCHEMATC