WROOM02_EV.sch

EESchema Schematic File Version 4
LIBS:WROOM02_EV-cache
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "Battery-Powered Environmental-Sensor-Board"
Date "2019-12-23"
Rev ""
Comp "C. Rausch"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L RF_Module:ESP-WROOM-02 U3
U 1 1 5E011761
P 5750 5200
F 0 "U3" H 5300 5900 50  0000 C CNN
F 1 "ESP-WROOM-02" H 5350 5800 50  0000 C CNN
F 2 "RF_Module:ESP-WROOM-02" H 6350 4650 50  0001 C CNN
F 3 "https://www.espressif.com/sites/default/files/documentation/0c-esp-wroom-02_datasheet_en.pdf" H 5800 6700 50  0001 C CNN
	1    5750 5200
	1    0    0    -1  
$EndComp
$Comp
L ht78xx_sot89:HT78xx_SOT89 U1
U 1 1 5E0141F4
P 2150 4200
F 0 "U1" H 2150 4442 50  0000 C CNN
F 1 "HT7830_SOT89" H 2250 4350 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-89-3" H 2150 4400 50  0001 C CNN
F 3 "https://www.holtek.com/documents/10179/116711/HT78xxv150.pdf" H 2150 4150 50  0001 C CNN
	1    2150 4200
	1    0    0    -1  
$EndComp
$Comp
L Device:CP C1
U 1 1 5E016A53
P 1600 4500
F 0 "C1" H 1718 4546 50  0000 L CNN
F 1 "1µ" H 1718 4455 50  0000 L CNN
F 2 "Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder" H 1638 4350 50  0001 C CNN
F 3 "~" H 1600 4500 50  0001 C CNN
	1    1600 4500
	1    0    0    -1  
$EndComp
$Comp
L Device:CP C4
U 1 1 5E017B6F
P 2650 4500
F 0 "C4" H 2768 4546 50  0000 L CNN
F 1 "2µ2" H 2768 4455 50  0000 L CNN
F 2 "Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder" H 2688 4350 50  0001 C CNN
F 3 "~" H 2650 4500 50  0001 C CNN
	1    2650 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	1600 4200 1600 4350
Wire Wire Line
	2150 4500 2150 4700
Wire Wire Line
	1600 4650 1600 4700
Wire Wire Line
	2650 4650 2650 4700
Wire Wire Line
	2450 4200 2650 4200
Wire Wire Line
	2650 4200 2650 4350
$Comp
L power:GND #PWR07
U 1 1 5E019350
P 1600 4700
F 0 "#PWR07" H 1600 4450 50  0001 C CNN
F 1 "GND" H 1605 4527 50  0001 C CNN
F 2 "" H 1600 4700 50  0001 C CNN
F 3 "" H 1600 4700 50  0001 C CNN
	1    1600 4700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR010
U 1 1 5E019A1E
P 2150 4700
F 0 "#PWR010" H 2150 4450 50  0001 C CNN
F 1 "GND" H 2155 4527 50  0001 C CNN
F 2 "" H 2150 4700 50  0001 C CNN
F 3 "" H 2150 4700 50  0001 C CNN
	1    2150 4700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR013
U 1 1 5E019CCE
P 2650 4700
F 0 "#PWR013" H 2650 4450 50  0001 C CNN
F 1 "GND" H 2655 4527 50  0001 C CNN
F 2 "" H 2650 4700 50  0001 C CNN
F 3 "" H 2650 4700 50  0001 C CNN
	1    2650 4700
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x02 J_BAT1
U 1 1 5E01B849
P 4750 1800
F 0 "J_BAT1" H 4400 1850 50  0000 C CNN
F 1 "Conn_01x02" H 4350 1750 50  0000 C CNN
F 2 "Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical" H 4750 1800 50  0001 C CNN
F 3 "~" H 4750 1800 50  0001 C CNN
	1    4750 1800
	-1   0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x06 J_COM1
U 1 1 5E01D0D5
P 1000 6450
F 0 "J_COM1" H 918 6867 50  0000 C CNN
F 1 "Conn_01x06" H 918 6776 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical" H 1000 6450 50  0001 C CNN
F 3 "~" H 1000 6450 50  0001 C CNN
	1    1000 6450
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR06
U 1 1 5E01F210
P 1450 6250
F 0 "#PWR06" H 1450 6000 50  0001 C CNN
F 1 "GND" V 1455 6122 50  0001 R CNN
F 2 "" H 1450 6250 50  0001 C CNN
F 3 "" H 1450 6250 50  0001 C CNN
	1    1450 6250
	0    -1   -1   0   
$EndComp
Text Label 1550 6750 0    50   ~ 0
DTR
Text Label 1550 6650 0    50   ~ 0
RXI
Text Label 1550 6550 0    50   ~ 0
TXO
Text Label 1100 4500 0    50   ~ 0
VCC5
Text Label 1550 6350 0    50   ~ 0
CTS
$Comp
L Connector_Generic:Conn_01x02 J_5V1
U 1 1 5E02621D
P 950 1950
F 0 "J_5V1" H 500 1850 50  0000 C CNN
F 1 "Conn_01x02" H 100 1850 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 950 1950 50  0001 C CNN
F 3 "~" H 950 1950 50  0001 C CNN
	1    950  1950
	-1   0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x02 J_PROG1
U 1 1 5E028561
P 950 2300
F 0 "J_PROG1" H 500 2200 50  0000 C CNN
F 1 "Conn_01x02" H 100 2200 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 950 2300 50  0001 C CNN
F 3 "~" H 950 2300 50  0001 C CNN
	1    950  2300
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR03
U 1 1 5E028B7E
P 1150 2050
F 0 "#PWR03" H 1150 1800 50  0001 C CNN
F 1 "GND" V 1155 1922 50  0001 R CNN
F 2 "" H 1150 2050 50  0001 C CNN
F 3 "" H 1150 2050 50  0001 C CNN
	1    1150 2050
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR04
U 1 1 5E029689
P 1150 2400
F 0 "#PWR04" H 1150 2150 50  0001 C CNN
F 1 "GND" V 1155 2272 50  0001 R CNN
F 2 "" H 1150 2400 50  0001 C CNN
F 3 "" H 1150 2400 50  0001 C CNN
	1    1150 2400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3350 1350 3500 1350
$Comp
L power:GND #PWR023
U 1 1 5E02BE45
P 4950 2350
F 0 "#PWR023" H 4950 2100 50  0001 C CNN
F 1 "GND" V 4955 2222 50  0001 R CNN
F 2 "" H 4950 2350 50  0001 C CNN
F 3 "" H 4950 2350 50  0001 C CNN
	1    4950 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	2950 2350 2950 1750
$Comp
L power:GND #PWR015
U 1 1 5E028F25
P 2950 2350
F 0 "#PWR015" H 2950 2100 50  0001 C CNN
F 1 "GND" H 2955 2177 50  0001 C CNN
F 2 "" H 2950 2350 50  0001 C CNN
F 3 "" H 2950 2350 50  0001 C CNN
	1    2950 2350
	1    0    0    -1  
$EndComp
$Comp
L Device:R RPROG1
U 1 1 5E02E76F
P 2500 1950
F 0 "RPROG1" H 2570 1996 50  0000 L CNN
F 1 "10k" H 2570 1905 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2430 1950 50  0001 C CNN
F 3 "~" H 2500 1950 50  0001 C CNN
	1    2500 1950
	1    0    0    -1  
$EndComp
Connection ~ 2500 1550
Wire Wire Line
	2500 1550 2550 1550
$Comp
L power:GND #PWR012
U 1 1 5E030611
P 2500 2350
F 0 "#PWR012" H 2500 2100 50  0001 C CNN
F 1 "GND" H 2505 2177 50  0001 C CNN
F 2 "" H 2500 2350 50  0001 C CNN
F 3 "" H 2500 2350 50  0001 C CNN
	1    2500 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	2950 1150 2950 1100
Connection ~ 2650 4200
Wire Wire Line
	5750 4200 5750 4600
Wire Wire Line
	5750 5800 5750 5850
$Comp
L power:GND #PWR028
U 1 1 5E035E7A
P 5750 5850
F 0 "#PWR028" H 5750 5600 50  0001 C CNN
F 1 "GND" H 5755 5677 50  0001 C CNN
F 2 "" H 5750 5850 50  0001 C CNN
F 3 "" H 5750 5850 50  0001 C CNN
	1    5750 5850
	1    0    0    -1  
$EndComp
Text Label 1200 1950 0    50   ~ 0
VCC5
$Comp
L Switch:SW_Push SW_BOOT1
U 1 1 5E038D98
P 7400 4200
F 0 "SW_BOOT1" H 7400 4485 50  0000 C CNN
F 1 "SW_Push" H 7400 4394 50  0000 C CNN
F 2 "Button_Switch_SMD:SW_Push_SPST_NO_Alps_SKRK" H 7400 4400 50  0001 C CNN
F 3 "~" H 7400 4400 50  0001 C CNN
	1    7400 4200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR033
U 1 1 5E03ACF7
P 7850 4200
F 0 "#PWR033" H 7850 3950 50  0001 C CNN
F 1 "GND" V 7855 4072 50  0000 R CNN
F 2 "" H 7850 4200 50  0001 C CNN
F 3 "" H 7850 4200 50  0001 C CNN
	1    7850 4200
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R26
U 1 1 5E03AF5F
P 6700 4200
F 0 "R26" V 6493 4200 50  0000 C CNN
F 1 "470R" V 6584 4200 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 6630 4200 50  0001 C CNN
F 3 "~" H 6700 4200 50  0001 C CNN
	1    6700 4200
	0    1    1    0   
$EndComp
Wire Wire Line
	6500 4800 6500 4200
Wire Wire Line
	6850 4200 7200 4200
$Comp
L Device:R R27
U 1 1 5E03DB4D
P 6450 6750
F 0 "R27" V 6650 6750 50  0000 C CNN
F 1 "0R" V 6550 6750 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 6380 6750 50  0001 C CNN
F 3 "~" H 6450 6750 50  0001 C CNN
	1    6450 6750
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5250 4900 4800 4900
$Comp
L Device:R R23
U 1 1 5E04104E
P 5750 6750
F 0 "R23" V 5543 6750 50  0000 C CNN
F 1 "470R" V 5634 6750 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 5680 6750 50  0001 C CNN
F 3 "~" H 5750 6750 50  0001 C CNN
	1    5750 6750
	0    1    1    0   
$EndComp
Text Label 4350 6750 0    50   ~ 0
RST
$Comp
L Device:R R22
U 1 1 5E044924
P 5750 6150
F 0 "R22" V 5850 6150 50  0000 C CNN
F 1 "470R" V 5950 6150 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 5680 6150 50  0001 C CNN
F 3 "~" H 5750 6150 50  0001 C CNN
	1    5750 6150
	0    1    1    0   
$EndComp
Text Label 5550 4200 0    50   ~ 0
VCC3
Text Label 3650 1350 0    50   ~ 0
VBAT1
$Comp
L Device:LED D6
U 1 1 5E046FF1
P 6300 6150
F 0 "D6" H 6350 5900 50  0000 C CNN
F 1 "LED BLUE" H 6300 6000 50  0000 C CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 6300 6150 50  0001 C CNN
F 3 "~" H 6300 6150 50  0001 C CNN
	1    6300 6150
	-1   0    0    1   
$EndComp
$Comp
L Device:R R12
U 1 1 5E04A65C
P 4000 1550
F 0 "R12" H 3800 1600 50  0000 L CNN
F 1 "470k" H 3750 1500 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3930 1550 50  0001 C CNN
F 3 "~" H 4000 1550 50  0001 C CNN
	1    4000 1550
	1    0    0    -1  
$EndComp
$Comp
L Device:R R13
U 1 1 5E04AC6F
P 4000 1950
F 0 "R13" H 4050 2000 50  0000 L CNN
F 1 "470k" H 4050 1900 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3930 1950 50  0001 C CNN
F 3 "~" H 4000 1950 50  0001 C CNN
	1    4000 1950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR018
U 1 1 5E04B100
P 4000 2350
F 0 "#PWR018" H 4000 2100 50  0001 C CNN
F 1 "GND" H 4005 2177 50  0001 C CNN
F 2 "" H 4000 2350 50  0001 C CNN
F 3 "" H 4000 2350 50  0001 C CNN
	1    4000 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	4000 1400 4000 1350
Connection ~ 4000 1350
Wire Wire Line
	4000 1350 4100 1350
Wire Wire Line
	4000 1700 4000 1750
Wire Wire Line
	4000 2350 4000 2100
Wire Wire Line
	4250 2400 4250 1750
Wire Wire Line
	4250 1750 4000 1750
Connection ~ 4000 1750
Wire Wire Line
	4000 1750 4000 1800
$Comp
L Device:R R15
U 1 1 5E050F30
P 4650 4500
F 0 "R15" H 4720 4546 50  0000 L CNN
F 1 "12k" H 4720 4455 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 4580 4500 50  0001 C CNN
F 3 "~" H 4650 4500 50  0001 C CNN
	1    4650 4500
	1    0    0    -1  
$EndComp
$Comp
L Device:C C10
U 1 1 5E0515F6
P 4650 4950
F 0 "C10" H 4400 5000 50  0000 C CNN
F 1 "100n" H 4400 4900 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4688 4800 50  0001 C CNN
F 3 "~" H 4650 4950 50  0001 C CNN
	1    4650 4950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR022
U 1 1 5E0529B5
P 4650 5100
F 0 "#PWR022" H 4650 4850 50  0001 C CNN
F 1 "GND" H 4655 4927 50  0001 C CNN
F 2 "" H 4650 5100 50  0001 C CNN
F 3 "" H 4650 5100 50  0001 C CNN
	1    4650 5100
	1    0    0    -1  
$EndComp
Wire Wire Line
	4650 4800 4650 4650
Wire Wire Line
	4650 4200 4650 4350
Connection ~ 4650 4200
Connection ~ 4650 4800
$Comp
L Device:R R7
U 1 1 5E05E6A5
P 2600 5300
F 0 "R7" V 2500 5100 50  0000 C CNN
F 1 "470R" V 2484 5300 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2530 5300 50  0001 C CNN
F 3 "~" H 2600 5300 50  0001 C CNN
	1    2600 5300
	0    1    1    0   
$EndComp
$Comp
L Device:R R8
U 1 1 5E05F599
P 2600 5400
F 0 "R8" V 2700 5200 50  0000 C CNN
F 1 "470R" V 2700 5400 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2530 5400 50  0001 C CNN
F 3 "~" H 2600 5400 50  0001 C CNN
	1    2600 5400
	0    1    1    0   
$EndComp
Text Label 6250 4800 0    50   ~ 0
GPIO0
$Comp
L Device:R R29
U 1 1 5E082863
P 7100 5500
F 0 "R29" V 7200 5700 50  0000 C CNN
F 1 "12k" V 7300 5700 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7030 5500 50  0001 C CNN
F 3 "~" H 7100 5500 50  0001 C CNN
	1    7100 5500
	0    1    1    0   
$EndComp
Wire Wire Line
	7250 5500 7400 5500
$Comp
L power:GND #PWR032
U 1 1 5E087820
P 7400 5500
F 0 "#PWR032" H 7400 5250 50  0001 C CNN
F 1 "GND" V 7405 5372 50  0000 R CNN
F 2 "" H 7400 5500 50  0001 C CNN
F 3 "" H 7400 5500 50  0001 C CNN
	1    7400 5500
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R19
U 1 1 5E088791
P 5350 6450
F 0 "R19" H 5280 6404 50  0000 R CNN
F 1 "12k" H 5280 6495 50  0000 R CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 5280 6450 50  0001 C CNN
F 3 "~" H 5350 6450 50  0001 C CNN
	1    5350 6450
	-1   0    0    1   
$EndComp
$Comp
L Device:C C11
U 1 1 5E088B00
P 5350 7100
F 0 "C11" H 5235 7054 50  0000 R CNN
F 1 "100n" H 5235 7145 50  0000 R CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 5388 6950 50  0001 C CNN
F 3 "~" H 5350 7100 50  0001 C CNN
	1    5350 7100
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR025
U 1 1 5E089004
P 5350 7350
F 0 "#PWR025" H 5350 7100 50  0001 C CNN
F 1 "GND" H 5355 7177 50  0001 C CNN
F 2 "" H 5350 7350 50  0001 C CNN
F 3 "" H 5350 7350 50  0001 C CNN
	1    5350 7350
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 7350 5350 7250
Wire Wire Line
	5350 6300 5350 6150
Text Label 5350 6050 0    50   ~ 0
VCC3
Wire Wire Line
	6500 4800 6250 4800
$Comp
L Device:R R28
U 1 1 5E0A03CE
P 6850 4600
F 0 "R28" H 6700 4650 50  0000 C CNN
F 1 "12k" H 6700 4550 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 6780 4600 50  0001 C CNN
F 3 "~" H 6850 4600 50  0001 C CNN
	1    6850 4600
	1    0    0    -1  
$EndComp
Text Label 6850 4350 0    50   ~ 0
VCC3
$Comp
L Sensor:BME280 U7
U 1 1 5E0A3E05
P 10200 2650
F 0 "U7" H 9770 2696 50  0000 R CNN
F 1 "BME280" H 9770 2605 50  0000 R CNN
F 2 "Package_LGA:Bosch_LGA-8_2.5x2.5mm_P0.65mm_ClockwisePinNumbering" H 11700 2200 50  0001 C CNN
F 3 "https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BME280-DS002.pdf" H 10200 2450 50  0001 C CNN
	1    10200 2650
	-1   0    0    -1  
$EndComp
Text Notes 1000 7150 0    50   ~ 0
FTDI USB-RS232
Text Notes 1000 7050 0    50   ~ 0
CP2102 USB-RS232
Wire Wire Line
	1200 6250 1450 6250
Wire Wire Line
	1200 6550 2100 6550
Wire Wire Line
	1200 6350 1550 6350
$Comp
L power:GND #PWR02
U 1 1 5E10D853
P 1100 1700
F 0 "#PWR02" H 1100 1450 50  0001 C CNN
F 1 "GND" V 1105 1572 50  0001 R CNN
F 2 "" H 1100 1700 50  0001 C CNN
F 3 "" H 1100 1700 50  0001 C CNN
	1    1100 1700
	1    0    0    -1  
$EndComp
Text Label 1400 1100 0    50   ~ 0
VDDUSB
$Comp
L Diode:B120-E3 D1
U 1 1 5E10E9A5
P 1800 1100
F 0 "D1" H 1800 884 50  0000 C CNN
F 1 "B120-E3" H 1800 975 50  0000 C CNN
F 2 "Diode_SMD:D_SMA" H 1800 925 50  0001 C CNN
F 3 "http://www.vishay.com/docs/88946/b120.pdf" H 1800 1100 50  0001 C CNN
	1    1800 1100
	-1   0    0    1   
$EndComp
Wire Wire Line
	1400 1100 1650 1100
Text Label 2200 1100 0    50   ~ 0
VCC5
$Comp
L Connector_Generic:Conn_01x02 J_COIN1
U 1 1 5E119C45
P 3400 4450
F 0 "J_COIN1" H 3450 4200 50  0000 C CNN
F 1 "Conn_01x02" H 3450 4100 50  0000 C CNN
F 2 "Battery:BatteryHolder_Keystone_1058_1x2032" H 3400 4450 50  0001 C CNN
F 3 "~" H 3400 4450 50  0001 C CNN
	1    3400 4450
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR016
U 1 1 5E119C4F
P 3650 4700
F 0 "#PWR016" H 3650 4450 50  0001 C CNN
F 1 "GND" V 3655 4572 50  0001 R CNN
F 2 "" H 3650 4700 50  0001 C CNN
F 3 "" H 3650 4700 50  0001 C CNN
	1    3650 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	3600 4450 3650 4450
Text Notes 4500 3900 0    50   ~ 0
CR2032 Coin Cell Holder
$Comp
L Connector_Generic:Conn_01x02 J_SENSE1
U 1 1 5E11F93B
P 3200 4000
F 0 "J_SENSE1" V 3164 4080 50  0000 L CNN
F 1 "Conn_01x02" V 3073 4080 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 3200 4000 50  0001 C CNN
F 3 "~" H 3200 4000 50  0001 C CNN
	1    3200 4000
	0    1    -1   0   
$EndComp
Wire Wire Line
	3100 4200 2650 4200
$Comp
L Device:R R16
U 1 1 5E1203E5
P 4750 1350
F 0 "R16" V 4850 1350 50  0000 C CNN
F 1 "0R" V 4950 1350 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 4680 1350 50  0001 C CNN
F 3 "~" H 4750 1350 50  0001 C CNN
	1    4750 1350
	0    1    1    0   
$EndComp
$Comp
L Device:R R11
U 1 1 5E12144B
P 3500 1500
F 0 "R11" H 3650 1550 50  0000 C CNN
F 1 "1k" H 3650 1450 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3430 1500 50  0001 C CNN
F 3 "~" H 3500 1500 50  0001 C CNN
	1    3500 1500
	1    0    0    -1  
$EndComp
$Comp
L Device:LED D2
U 1 1 5E121459
P 3500 1800
F 0 "D2" V 3200 1850 50  0000 C CNN
F 1 "LED RED" V 3100 1850 50  0000 C CNN
F 2 "LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3500 1800 50  0001 C CNN
F 3 "~" H 3500 1800 50  0001 C CNN
	1    3500 1800
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R5
U 1 1 5E13779E
P 2200 7000
F 0 "R5" H 2130 6954 50  0000 R CNN
F 1 "680R" H 2130 7045 50  0000 R CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2130 7000 50  0001 C CNN
F 3 "~" H 2200 7000 50  0001 C CNN
	1    2200 7000
	-1   0    0    1   
$EndComp
$Comp
L Device:CP C3
U 1 1 5E138BF8
P 2600 6750
F 0 "C3" V 2345 6750 50  0000 C CNN
F 1 "2µ2" V 2436 6750 50  0000 C CNN
F 2 "Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder" H 2638 6600 50  0001 C CNN
F 3 "~" H 2600 6750 50  0001 C CNN
	1    2600 6750
	0    1    1    0   
$EndComp
Wire Wire Line
	1200 6750 2200 6750
Wire Wire Line
	2750 6750 4800 6750
$Comp
L power:GND #PWR011
U 1 1 5E1490AC
P 2200 7250
F 0 "#PWR011" H 2200 7000 50  0001 C CNN
F 1 "GND" H 2205 7077 50  0001 C CNN
F 2 "" H 2200 7250 50  0001 C CNN
F 3 "" H 2200 7250 50  0001 C CNN
	1    2200 7250
	1    0    0    -1  
$EndComp
Wire Wire Line
	2200 7250 2200 7150
Wire Wire Line
	2200 6850 2200 6750
Connection ~ 2200 6750
Wire Wire Line
	2200 6750 2450 6750
$Comp
L Sensor_Temperature:LM75B U6
U 1 1 5E15AC2B
P 10100 1400
F 0 "U6" H 10700 1850 50  0000 C CNN
F 1 "LM75B" H 10750 1750 50  0000 C CNN
F 2 "Package_SO:TSSOP-8_3x3mm_P0.65mm" H 10100 1400 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm75b.pdf" H 10100 1400 50  0001 C CNN
	1    10100 1400
	1    0    0    -1  
$EndComp
Wire Wire Line
	1200 6650 2200 6650
Wire Wire Line
	1950 1100 2000 1100
Wire Wire Line
	1150 1950 2000 1950
Connection ~ 2000 1100
Wire Wire Line
	2000 1100 2150 1100
$Comp
L Connector:USB_B_Micro J_USB1
U 1 1 5E0F1F3A
P 1100 1300
F 0 "J_USB1" H 1157 1767 50  0000 C CNN
F 1 "USB_B_Micro" H 1157 1676 50  0000 C CNN
F 2 "Connector_USB:USB_Micro-B_Wuerth_629105150521" H 1250 1250 50  0001 C CNN
F 3 "~" H 1250 1250 50  0001 C CNN
	1    1100 1300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR01
U 1 1 5E076BFE
P 1000 1700
F 0 "#PWR01" H 1000 1450 50  0001 C CNN
F 1 "GND" V 1005 1572 50  0001 R CNN
F 2 "" H 1000 1700 50  0001 C CNN
F 3 "" H 1000 1700 50  0001 C CNN
	1    1000 1700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2300 1550 2300 2300
Wire Wire Line
	2000 1950 2000 1100
Wire Wire Line
	1150 2300 2300 2300
$Comp
L Device:CP C2
U 1 1 5E092EF6
P 2150 1450
F 0 "C2" H 2268 1496 50  0000 L CNN
F 1 "4µ7" H 2268 1405 50  0000 L CNN
F 2 "Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder" H 2188 1300 50  0001 C CNN
F 3 "~" H 2150 1450 50  0001 C CNN
	1    2150 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	2150 1600 2150 1750
$Comp
L power:GND #PWR09
U 1 1 5E092F01
P 2150 1750
F 0 "#PWR09" H 2150 1500 50  0001 C CNN
F 1 "GND" H 2155 1577 50  0001 C CNN
F 2 "" H 2150 1750 50  0001 C CNN
F 3 "" H 2150 1750 50  0001 C CNN
	1    2150 1750
	1    0    0    -1  
$EndComp
Wire Wire Line
	2150 1300 2150 1100
Text Label 1200 2300 0    50   ~ 0
PROG
Text Label 4950 1650 0    50   ~ 0
VBAT2
Wire Wire Line
	2300 1550 2500 1550
Connection ~ 2150 1100
NoConn ~ 1400 1300
NoConn ~ 1400 1400
NoConn ~ 1400 1500
Text Notes 4650 2050 0    50   ~ 0
Li-Ion
Wire Wire Line
	6400 1350 6600 1350
Connection ~ 6400 1350
Wire Wire Line
	6400 1450 6400 1350
Connection ~ 6400 1950
Wire Wire Line
	6400 1950 6400 1850
Wire Wire Line
	6400 1950 6400 2050
$Comp
L power:GND #PWR030
U 1 1 5E0DF8BF
P 6400 2350
F 0 "#PWR030" H 6400 2100 50  0001 C CNN
F 1 "GND" H 6405 2177 50  0001 C CNN
F 2 "" H 6400 2350 50  0001 C CNN
F 3 "" H 6400 2350 50  0001 C CNN
	1    6400 2350
	1    0    0    -1  
$EndComp
$Comp
L Device:R R24
U 1 1 5E0DF8B5
P 6400 2200
F 0 "R24" H 6470 2246 50  0000 L CNN
F 1 "20k" H 6470 2155 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 6330 2200 50  0001 C CNN
F 3 "~" H 6400 2200 50  0001 C CNN
	1    6400 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 1350 7050 1350
Connection ~ 6600 1350
Wire Wire Line
	6600 1850 6600 1750
Wire Wire Line
	6650 1850 6600 1850
$Comp
L Switch:SW_Push SW_MAN1
U 1 1 5E0DA6F1
P 6400 1650
F 0 "SW_MAN1" V 6350 1950 50  0000 C CNN
F 1 "SW_Push" V 6450 1950 50  0000 C CNN
F 2 "Button_Switch_SMD:SW_Push_SPST_NO_Alps_SKRK" H 6400 1850 50  0001 C CNN
F 3 "~" H 6400 1850 50  0001 C CNN
	1    6400 1650
	0    -1   1    0   
$EndComp
Wire Wire Line
	7250 1350 7250 1450
$Comp
L power:GND #PWR031
U 1 1 5E0D68E7
P 7250 2350
F 0 "#PWR031" H 7250 2100 50  0001 C CNN
F 1 "GND" H 7255 2177 50  0001 C CNN
F 2 "" H 7250 2350 50  0001 C CNN
F 3 "" H 7250 2350 50  0001 C CNN
	1    7250 2350
	1    0    0    -1  
$EndComp
$Comp
L Timer:TPL5110 U5
U 1 1 5E0D5B92
P 7250 1850
F 0 "U5" H 7250 850 50  0000 C CNN
F 1 "TPL5110" H 7200 750 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-6" H 7250 1850 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/tpl5110.pdf" H 7050 1450 50  0001 C CNN
	1    7250 1850
	1    0    0    -1  
$EndComp
Wire Wire Line
	4950 2350 4950 1900
Wire Wire Line
	4950 1800 4950 1350
$Comp
L Device:R R18
U 1 1 5E11CD1F
P 5200 1350
F 0 "R18" V 5300 1350 50  0000 C CNN
F 1 "0R" V 5400 1350 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 5130 1350 50  0001 C CNN
F 3 "~" H 5200 1350 50  0001 C CNN
	1    5200 1350
	0    1    1    0   
$EndComp
Wire Wire Line
	4950 1350 5050 1350
Connection ~ 4950 1350
Wire Wire Line
	4900 1350 4950 1350
Text Label 6000 1350 0    50   ~ 0
VBAT3
Text Label 4250 2400 0    50   ~ 0
ADC
Text Label 5100 5100 0    50   ~ 0
ADC
Wire Wire Line
	5250 5100 5100 5100
$Comp
L Transistor_FET:NTR2101P Q1
U 1 1 5E13E6D2
P 7900 1450
F 0 "Q1" V 8243 1450 50  0000 C CNN
F 1 "NTR2101P" V 8152 1450 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 8100 1375 50  0001 L CIN
F 3 "http://www.onsemi.com/pub/Collateral/NTR2101P-D.PDF" H 7900 1450 50  0001 L CNN
	1    7900 1450
	0    1    -1   0   
$EndComp
Wire Wire Line
	7250 1350 7550 1350
Connection ~ 7250 1350
Wire Wire Line
	7750 1850 7900 1850
Wire Wire Line
	7900 1850 7900 1650
Wire Wire Line
	8100 1350 8250 1350
Wire Wire Line
	8450 1350 8450 3650
Wire Wire Line
	1400 3650 1400 3750
Wire Wire Line
	1400 4200 1600 4200
Wire Wire Line
	1400 3650 8450 3650
$Comp
L Device:CP C7
U 1 1 5E15F093
P 4100 4500
F 0 "C7" H 4218 4546 50  0000 L CNN
F 1 "100µ" H 4218 4455 50  0000 L CNN
F 2 "Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder" H 4138 4350 50  0001 C CNN
F 3 "~" H 4100 4500 50  0001 C CNN
	1    4100 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 4650 4100 4700
$Comp
L power:GND #PWR019
U 1 1 5E15F09E
P 4100 4700
F 0 "#PWR019" H 4100 4450 50  0001 C CNN
F 1 "GND" H 4105 4527 50  0001 C CNN
F 2 "" H 4100 4700 50  0001 C CNN
F 3 "" H 4100 4700 50  0001 C CNN
	1    4100 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 4350 4100 4200
Wire Wire Line
	5350 6150 5350 6050
Connection ~ 5350 6150
Connection ~ 1600 4200
Wire Wire Line
	1600 4200 1850 4200
Wire Wire Line
	4800 4900 4800 6750
$Comp
L power:GND #PWR029
U 1 1 5E1AFAA1
P 6150 7350
F 0 "#PWR029" H 6150 7100 50  0001 C CNN
F 1 "GND" H 6155 7177 50  0001 C CNN
F 2 "" H 6150 7350 50  0001 C CNN
F 3 "" H 6150 7350 50  0001 C CNN
	1    6150 7350
	1    0    0    -1  
$EndComp
Connection ~ 5350 6750
Wire Wire Line
	5350 6750 5600 6750
Wire Wire Line
	5350 6600 5350 6750
$Comp
L Switch:SW_Push SW_RESET1
U 1 1 5E03DB39
P 6150 7050
F 0 "SW_RESET1" V 6200 6700 50  0000 C CNN
F 1 "SW_Push" V 6050 6700 50  0000 C CNN
F 2 "Button_Switch_SMD:SW_Push_SPST_NO_Alps_SKRK" H 6150 7250 50  0001 C CNN
F 3 "~" H 6150 7250 50  0001 C CNN
	1    6150 7050
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5350 6750 5350 6950
Wire Wire Line
	5900 6750 6150 6750
Wire Wire Line
	6150 6750 6150 6850
Wire Wire Line
	6150 7250 6150 7350
Connection ~ 6150 6750
Connection ~ 4800 6750
Wire Wire Line
	6150 6150 5900 6150
Wire Wire Line
	4800 6750 5100 6750
Wire Wire Line
	5100 6750 5350 6750
Connection ~ 5100 6750
Wire Wire Line
	5100 6750 5100 6600
Wire Wire Line
	5100 6150 5350 6150
Wire Wire Line
	5100 6300 5100 6150
Wire Wire Line
	2100 5300 2450 5300
Wire Wire Line
	2100 5300 2100 6550
Wire Wire Line
	2200 5400 2200 6650
Wire Wire Line
	2750 5300 5250 5300
Wire Wire Line
	2750 5400 5250 5400
Wire Wire Line
	6150 6750 6300 6750
Wire Wire Line
	6250 5600 6700 5600
Wire Wire Line
	6700 5600 6700 6150
Wire Wire Line
	2200 5400 2450 5400
Text Notes 2900 3900 0    50   ~ 0
close for normal op.\nopen when powered by coin cell
Wire Wire Line
	8250 1000 8250 1350
Connection ~ 8250 1350
Wire Wire Line
	8250 1350 8450 1350
Wire Wire Line
	7550 1000 7550 1350
Connection ~ 7550 1350
Wire Wire Line
	7550 1350 7700 1350
Text Notes 7650 700  0    50   ~ 0
Timer Bypass
Wire Wire Line
	5600 6150 5350 6150
Wire Wire Line
	6500 4200 6550 4200
Wire Wire Line
	4650 4800 5250 4800
Wire Wire Line
	3650 4200 3650 4450
Wire Wire Line
	2500 1800 2500 1550
Wire Wire Line
	2500 2100 2500 2350
$Comp
L Device:R R3
U 1 1 5E3597D4
P 1400 4950
F 0 "R3" H 1550 5000 50  0000 C CNN
F 1 "DNP" H 1550 4900 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1330 4950 50  0001 C CNN
F 3 "~" H 1400 4950 50  0001 C CNN
	1    1400 4950
	-1   0    0    1   
$EndComp
Wire Wire Line
	1200 6450 1800 6450
$Comp
L Device:R R2
U 1 1 5E3A2C81
P 1400 3900
F 0 "R2" H 1550 3950 50  0000 C CNN
F 1 "0R" H 1550 3850 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1330 3900 50  0001 C CNN
F 3 "~" H 1400 3900 50  0001 C CNN
	1    1400 3900
	-1   0    0    1   
$EndComp
Wire Wire Line
	1400 4050 1400 4200
$Comp
L Device:R R1
U 1 1 5E3A7ED0
P 1100 4950
F 0 "R1" H 1250 5000 50  0000 C CNN
F 1 "0R" H 1250 4900 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1030 4950 50  0001 C CNN
F 3 "~" H 1100 4950 50  0001 C CNN
	1    1100 4950
	-1   0    0    1   
$EndComp
Wire Wire Line
	1100 5100 1100 5350
Wire Wire Line
	1100 5350 1400 5350
Wire Wire Line
	1800 5350 1800 6450
Wire Wire Line
	1400 5100 1400 5350
Connection ~ 1400 5350
Wire Wire Line
	1400 5350 1800 5350
Wire Wire Line
	1400 4800 1400 4300
Connection ~ 1400 4200
Wire Wire Line
	1100 4800 1100 4500
$Comp
L Connector_Generic:Conn_01x03 J_18B1
U 1 1 5E3C833E
P 9950 6250
F 0 "J_18B1" H 10030 6292 50  0000 L CNN
F 1 "Conn_01x03" H 10030 6201 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 9950 6250 50  0001 C CNN
F 3 "~" H 9950 6250 50  0001 C CNN
	1    9950 6250
	1    0    0    -1  
$EndComp
Text Notes 10600 6300 0    50   ~ 0
for 18B20\nTemp.sens.
$Comp
L Device:R R39
U 1 1 5E3C9FE5
P 9200 6150
F 0 "R39" V 9400 6150 50  0000 C CNN
F 1 "4k7" V 9300 6150 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 9130 6150 50  0001 C CNN
F 3 "~" H 9200 6150 50  0001 C CNN
	1    9200 6150
	0    -1   -1   0   
$EndComp
Wire Wire Line
	9600 6350 9750 6350
$Comp
L power:GND #PWR037
U 1 1 5E3DB1B5
P 9600 6350
F 0 "#PWR037" H 9600 6100 50  0001 C CNN
F 1 "GND" H 9605 6177 50  0001 C CNN
F 2 "" H 9600 6350 50  0001 C CNN
F 3 "" H 9600 6350 50  0001 C CNN
	1    9600 6350
	0    1    1    0   
$EndComp
Wire Wire Line
	7750 5400 6250 5400
Text Label 9550 5950 0    50   ~ 0
VCC3
Wire Wire Line
	8850 6150 9050 6150
Wire Wire Line
	7750 5400 7750 5650
$Comp
L power:GND #PWR039
U 1 1 5E42488D
P 10100 1900
F 0 "#PWR039" H 10100 1650 50  0001 C CNN
F 1 "GND" H 10105 1727 50  0001 C CNN
F 2 "" H 10100 1900 50  0001 C CNN
F 3 "" H 10100 1900 50  0001 C CNN
	1    10100 1900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR046
U 1 1 5E4255EF
P 10500 1500
F 0 "#PWR046" H 10500 1250 50  0001 C CNN
F 1 "GND" H 10505 1327 50  0001 C CNN
F 2 "" H 10500 1500 50  0001 C CNN
F 3 "" H 10500 1500 50  0001 C CNN
	1    10500 1500
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR045
U 1 1 5E425E66
P 10500 1400
F 0 "#PWR045" H 10500 1150 50  0001 C CNN
F 1 "GND" H 10505 1227 50  0001 C CNN
F 2 "" H 10500 1400 50  0001 C CNN
F 3 "" H 10500 1400 50  0001 C CNN
	1    10500 1400
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR044
U 1 1 5E4260D1
P 10500 1300
F 0 "#PWR044" H 10500 1050 50  0001 C CNN
F 1 "GND" H 10505 1127 50  0001 C CNN
F 2 "" H 10500 1300 50  0001 C CNN
F 3 "" H 10500 1300 50  0001 C CNN
	1    10500 1300
	0    -1   -1   0   
$EndComp
Text Label 10100 900  0    50   ~ 0
VCC3
$Comp
L Device:R R42
U 1 1 5E426A11
P 9450 1500
F 0 "R42" V 9550 1500 50  0000 C CNN
F 1 "470R" V 9650 1500 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 9380 1500 50  0001 C CNN
F 3 "~" H 9450 1500 50  0001 C CNN
	1    9450 1500
	0    1    1    0   
$EndComp
Wire Wire Line
	9600 1500 9700 1500
Text Label 9150 1500 0    50   ~ 0
RST
Wire Wire Line
	9150 1500 9300 1500
Wire Wire Line
	9700 1300 8850 1300
Wire Wire Line
	8850 1300 8850 2750
Wire Wire Line
	8850 5000 6250 5000
Wire Wire Line
	9700 1400 8950 1400
Wire Wire Line
	8950 1400 8950 2550
Wire Wire Line
	8950 5100 6250 5100
Text Label 6500 5000 0    50   ~ 0
IO4_SDA
Text Label 6500 5100 0    50   ~ 0
IO5_SCL
$Comp
L Device:R R37
U 1 1 5E444CF4
P 8850 1000
F 0 "R37" H 8650 1050 50  0000 L CNN
F 1 "10k" H 8650 950 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 8780 1000 50  0001 C CNN
F 3 "~" H 8850 1000 50  0001 C CNN
	1    8850 1000
	1    0    0    -1  
$EndComp
$Comp
L Device:R R38
U 1 1 5E44524A
P 8950 1000
F 0 "R38" H 9020 1046 50  0000 L CNN
F 1 "10k" H 9020 955 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 8880 1000 50  0001 C CNN
F 3 "~" H 8950 1000 50  0001 C CNN
	1    8950 1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	8850 1300 8850 1150
Connection ~ 8850 1300
Wire Wire Line
	8950 1150 8950 1400
Connection ~ 8950 1400
Wire Wire Line
	8850 750  8950 750 
Wire Wire Line
	8950 750  8950 850 
Wire Wire Line
	8850 750  8850 850 
Wire Wire Line
	8950 750  8950 700 
Connection ~ 8950 750 
Text Label 8950 700  0    50   ~ 0
VCC3
Text Label 10400 2050 0    50   ~ 0
VCC3
Wire Wire Line
	10100 2050 10300 2050
Wire Wire Line
	10300 2050 10400 2050
Connection ~ 10300 2050
Text Label 10400 3400 0    50   ~ 0
VCC3
$Comp
L power:GND #PWR040
U 1 1 5E48637E
P 10100 3250
F 0 "#PWR040" H 10100 3000 50  0001 C CNN
F 1 "GND" H 10105 3077 50  0001 C CNN
F 2 "" H 10100 3250 50  0001 C CNN
F 3 "" H 10100 3250 50  0001 C CNN
	1    10100 3250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR042
U 1 1 5E486781
P 10300 3250
F 0 "#PWR042" H 10300 3000 50  0001 C CNN
F 1 "GND" H 10305 3077 50  0001 C CNN
F 2 "" H 10300 3250 50  0001 C CNN
F 3 "" H 10300 3250 50  0001 C CNN
	1    10300 3250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR043
U 1 1 5E486984
P 10300 4600
F 0 "#PWR043" H 10300 4350 50  0001 C CNN
F 1 "GND" H 10305 4427 50  0001 C CNN
F 2 "" H 10300 4600 50  0001 C CNN
F 3 "" H 10300 4600 50  0001 C CNN
	1    10300 4600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR041
U 1 1 5E487114
P 10100 4600
F 0 "#PWR041" H 10100 4350 50  0001 C CNN
F 1 "GND" H 10105 4427 50  0001 C CNN
F 2 "" H 10100 4600 50  0001 C CNN
F 3 "" H 10100 4600 50  0001 C CNN
	1    10100 4600
	1    0    0    -1  
$EndComp
Wire Wire Line
	9600 2550 8950 2550
Connection ~ 8950 2550
Wire Wire Line
	8950 2550 8950 3900
Wire Wire Line
	9600 2950 9350 2950
Wire Wire Line
	9350 4300 9600 4300
Text Label 9350 4300 0    50   ~ 0
VCC3
Text Label 9350 2950 0    50   ~ 0
VCC3
Wire Wire Line
	9600 2750 8850 2750
Connection ~ 8850 2750
Wire Wire Line
	8850 2750 8850 4100
$Comp
L Device:R R40
U 1 1 5E4D4B2B
P 9400 2350
F 0 "R40" V 9200 2350 50  0000 C CNN
F 1 "0R" V 9300 2350 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 9330 2350 50  0001 C CNN
F 3 "~" H 9400 2350 50  0001 C CNN
	1    9400 2350
	0    1    1    0   
$EndComp
Wire Wire Line
	9550 2350 9600 2350
$Comp
L Device:R R41
U 1 1 5E4D515A
P 9400 3700
F 0 "R41" V 9200 3700 50  0000 C CNN
F 1 "0R" V 9300 3700 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 9330 3700 50  0001 C CNN
F 3 "~" H 9400 3700 50  0001 C CNN
	1    9400 3700
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR036
U 1 1 5E4D6118
P 9200 3700
F 0 "#PWR036" H 9200 3450 50  0001 C CNN
F 1 "GND" H 9205 3527 50  0001 C CNN
F 2 "" H 9200 3700 50  0001 C CNN
F 3 "" H 9200 3700 50  0001 C CNN
	1    9200 3700
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR035
U 1 1 5E4D65D1
P 9200 2350
F 0 "#PWR035" H 9200 2100 50  0001 C CNN
F 1 "GND" H 9205 2177 50  0001 C CNN
F 2 "" H 9200 2350 50  0001 C CNN
F 3 "" H 9200 2350 50  0001 C CNN
	1    9200 2350
	0    1    1    0   
$EndComp
Wire Wire Line
	9200 3700 9250 3700
Wire Wire Line
	9550 3700 9600 3700
Wire Wire Line
	9200 2350 9250 2350
Wire Wire Line
	10300 3400 10400 3400
Wire Wire Line
	10100 3400 10300 3400
Connection ~ 10300 3400
$Comp
L Sensor:BME680 U8
U 1 1 5E0A4C2A
P 10200 4000
F 0 "U8" H 9770 4046 50  0000 R CNN
F 1 "BME680" H 9770 3955 50  0000 R CNN
F 2 "Package_LGA:Bosch_LGA-8_3x3mm_P0.8mm_ClockwisePinNumbering" H 11650 3550 50  0001 C CNN
F 3 "https://ae-bst.resource.bosch.com/media/_tech/media/datasheets/BST-BME680-DS001.pdf" H 10200 3800 50  0001 C CNN
	1    10200 4000
	-1   0    0    -1  
$EndComp
Wire Wire Line
	9600 3900 8950 3900
Connection ~ 8950 3900
Wire Wire Line
	9600 4100 8850 4100
Connection ~ 8850 4100
Wire Wire Line
	8850 6150 8850 6250
Wire Wire Line
	9350 6150 9550 6150
Wire Wire Line
	9550 5950 9550 6150
Connection ~ 9550 6150
Connection ~ 8850 6250
Wire Wire Line
	8850 6250 9750 6250
Wire Wire Line
	7750 6250 8850 6250
Wire Wire Line
	9550 6150 9750 6150
$Comp
L Connector_Generic:Conn_02x05_Odd_Even J_EXP1
U 1 1 5E57F238
P 9900 5300
F 0 "J_EXP1" H 9950 5717 50  0000 C CNN
F 1 "Conn_02x05_Odd_Even" H 9950 5626 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_Vertical" H 9900 5300 50  0001 C CNN
F 3 "~" H 9900 5300 50  0001 C CNN
	1    9900 5300
	1    0    0    -1  
$EndComp
Wire Wire Line
	9700 5100 9300 5100
Text Label 9300 5100 0    50   ~ 0
VCC3
Wire Wire Line
	10200 5100 10550 5100
Wire Wire Line
	10200 5200 10550 5200
Wire Wire Line
	10200 5300 10550 5300
Wire Wire Line
	10200 5400 10550 5400
Wire Wire Line
	10200 5500 10550 5500
Wire Wire Line
	9700 5200 9650 5200
Wire Wire Line
	9700 5300 9300 5300
Wire Wire Line
	9700 5400 9300 5400
$Comp
L power:GND #PWR038
U 1 1 5E5E8FCC
P 9650 5200
F 0 "#PWR038" H 9650 4950 50  0001 C CNN
F 1 "GND" H 9655 5027 50  0001 C CNN
F 2 "" H 9650 5200 50  0001 C CNN
F 3 "" H 9650 5200 50  0001 C CNN
	1    9650 5200
	0    1    1    0   
$EndComp
Text Label 9300 5300 0    50   ~ 0
RST
Text Label 6500 5200 0    50   ~ 0
IO12
Text Label 9300 5400 0    50   ~ 0
IO12
Text Label 6500 5300 0    50   ~ 0
IO13
Text Label 6500 5400 0    50   ~ 0
IO14
Text Label 6500 5500 0    50   ~ 0
IO15
Text Label 10550 5400 0    50   ~ 0
ST15
Text Label 6500 5600 0    50   ~ 0
IO16
Text Label 10550 5500 0    50   ~ 0
ST2
$Comp
L Device:R R25
U 1 1 5E055054
P 6600 1600
F 0 "R25" H 6750 1800 50  0000 C CNN
F 1 "0R" H 6900 1800 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 6530 1600 50  0001 C CNN
F 3 "~" H 6600 1600 50  0001 C CNN
	1    6600 1600
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 1450 6600 1350
$Comp
L Amplifier_Operational:TS881xLx U4
U 1 1 5E0562A2
P 5850 2900
F 0 "U4" H 6000 2750 50  0000 L CNN
F 1 "TS881xLx" H 5950 2650 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 5750 2700 50  0001 L CNN
F 3 "www.st.com/resource/en/datasheet/ts881.pdf" H 5850 3100 50  0001 C CNN
	1    5850 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6250 5500 6850 5500
Wire Wire Line
	8850 4100 8850 5000
Wire Wire Line
	8950 3900 8950 5100
Wire Wire Line
	6200 1950 6400 1950
Wire Wire Line
	6200 2900 6200 2750
Wire Wire Line
	6200 2450 6200 1950
Wire Wire Line
	5350 1350 5400 1350
Wire Wire Line
	6400 1950 6650 1950
$Comp
L Device:R R21
U 1 1 5E17A4C6
P 5400 3250
F 0 "R21" H 5200 3300 50  0000 L CNN
F 1 "1M" H 5200 3200 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 5330 3250 50  0001 C CNN
F 3 "~" H 5400 3250 50  0001 C CNN
	1    5400 3250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR026
U 1 1 5E17C333
P 5400 3450
F 0 "#PWR026" H 5400 3200 50  0001 C CNN
F 1 "GND" H 5405 3277 50  0001 C CNN
F 2 "" H 5400 3450 50  0001 C CNN
F 3 "" H 5400 3450 50  0001 C CNN
	1    5400 3450
	1    0    0    -1  
$EndComp
$Comp
L Device:R R20
U 1 1 5E17C7A9
P 5400 2200
F 0 "R20" H 5200 2250 50  0000 L CNN
F 1 "2M2" H 5150 2150 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 5330 2200 50  0001 C CNN
F 3 "~" H 5400 2200 50  0001 C CNN
	1    5400 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	5750 2600 5750 1350
Connection ~ 5750 1350
Wire Wire Line
	5750 1350 6400 1350
Connection ~ 5400 1350
Wire Wire Line
	5400 1350 5600 1350
Wire Wire Line
	5400 1350 5400 2050
Wire Wire Line
	5400 2350 5400 3000
Wire Wire Line
	5400 3400 5400 3450
Wire Wire Line
	5550 3000 5400 3000
Connection ~ 5400 3000
Wire Wire Line
	5400 3000 5400 3100
$Comp
L power:GND #PWR027
U 1 1 5E1BB489
P 5750 3450
F 0 "#PWR027" H 5750 3200 50  0001 C CNN
F 1 "GND" H 5755 3277 50  0001 C CNN
F 2 "" H 5750 3450 50  0001 C CNN
F 3 "" H 5750 3450 50  0001 C CNN
	1    5750 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5750 3450 5750 3200
$Comp
L Device:C C8
U 1 1 5E1F96AB
P 4300 3100
F 0 "C8" H 4100 3150 50  0000 C CNN
F 1 "100n" H 4100 3050 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4338 2950 50  0001 C CNN
F 3 "~" H 4300 3100 50  0001 C CNN
	1    4300 3100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR020
U 1 1 5E1F9CB1
P 4300 3450
F 0 "#PWR020" H 4300 3200 50  0001 C CNN
F 1 "GND" H 4305 3277 50  0001 C CNN
F 2 "" H 4300 3450 50  0001 C CNN
F 3 "" H 4300 3450 50  0001 C CNN
	1    4300 3450
	1    0    0    -1  
$EndComp
$Comp
L Device:R R17
U 1 1 5E1FA2DF
P 5050 3100
F 0 "R17" H 4850 3150 50  0000 L CNN
F 1 "2M2" H 4850 3050 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 4980 3100 50  0001 C CNN
F 3 "~" H 5050 3100 50  0001 C CNN
	1    5050 3100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR024
U 1 1 5E1FA939
P 5050 3450
F 0 "#PWR024" H 5050 3200 50  0001 C CNN
F 1 "GND" H 5055 3277 50  0001 C CNN
F 2 "" H 5050 3450 50  0001 C CNN
F 3 "" H 5050 3450 50  0001 C CNN
	1    5050 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5050 3450 5050 3250
Wire Wire Line
	4300 3450 4300 3250
Wire Wire Line
	5050 2950 5050 2800
Wire Wire Line
	5050 2800 4800 2800
Wire Wire Line
	4300 2800 4300 2950
Wire Wire Line
	4200 2800 4300 2800
Connection ~ 4300 2800
$Comp
L Device:R R9
U 1 1 5E2332E9
P 2800 3100
F 0 "R9" H 2600 3150 50  0000 L CNN
F 1 "100k" H 2550 3050 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2730 3100 50  0001 C CNN
F 3 "~" H 2800 3100 50  0001 C CNN
	1    2800 3100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR014
U 1 1 5E2343B1
P 2800 3450
F 0 "#PWR014" H 2800 3200 50  0001 C CNN
F 1 "GND" H 2805 3277 50  0001 C CNN
F 2 "" H 2800 3450 50  0001 C CNN
F 3 "" H 2800 3450 50  0001 C CNN
	1    2800 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	2800 2800 3300 2800
Wire Wire Line
	2800 2800 2800 2950
Wire Wire Line
	2800 3250 2800 3450
$Comp
L Device:R R4
U 1 1 5E258290
P 1900 3100
F 0 "R4" H 1700 3150 50  0000 L CNN
F 1 "DNP" H 1650 3050 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 1830 3100 50  0001 C CNN
F 3 "~" H 1900 3100 50  0001 C CNN
	1    1900 3100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR08
U 1 1 5E25866A
P 1900 3450
F 0 "#PWR08" H 1900 3200 50  0001 C CNN
F 1 "GND" H 1905 3277 50  0001 C CNN
F 2 "" H 1900 3450 50  0001 C CNN
F 3 "" H 1900 3450 50  0001 C CNN
	1    1900 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	1900 3450 1900 3250
$Comp
L Device:R R6
U 1 1 5E270F05
P 2350 2800
F 0 "R6" V 2450 2800 50  0000 C CNN
F 1 "1M" V 2550 2800 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 2280 2800 50  0001 C CNN
F 3 "~" H 2350 2800 50  0001 C CNN
	1    2350 2800
	0    1    1    0   
$EndComp
Wire Wire Line
	2500 2800 2800 2800
Connection ~ 2800 2800
Wire Wire Line
	1900 2800 2200 2800
Wire Wire Line
	1900 2800 1900 2950
$Comp
L Device:C C5
U 1 1 5E2A4ADE
P 3450 2800
F 0 "C5" V 3198 2800 50  0000 C CNN
F 1 "1n" V 3289 2800 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3488 2650 50  0001 C CNN
F 3 "~" H 3450 2800 50  0001 C CNN
	1    3450 2800
	0    1    1    0   
$EndComp
Wire Wire Line
	3600 2800 3900 2800
$Comp
L Connector_Generic:Conn_01x02 J_RF1
U 1 1 5E2B3B48
P 950 2800
F 0 "J_RF1" H 850 2550 50  0000 C CNN
F 1 "Conn_01x02" H 650 2450 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 950 2800 50  0001 C CNN
F 3 "~" H 950 2800 50  0001 C CNN
	1    950  2800
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR05
U 1 1 5E2B4094
P 1150 2900
F 0 "#PWR05" H 1150 2650 50  0001 C CNN
F 1 "GND" V 1155 2772 50  0001 R CNN
F 2 "" H 1150 2900 50  0001 C CNN
F 3 "" H 1150 2900 50  0001 C CNN
	1    1150 2900
	0    -1   -1   0   
$EndComp
Connection ~ 1900 2800
Text Label 1200 2800 0    50   ~ 0
RF
Wire Wire Line
	1150 2800 1900 2800
$Comp
L Device:R R14
U 1 1 5E2F8072
P 4650 2800
F 0 "R14" V 4750 2800 50  0000 C CNN
F 1 "220k" V 4850 2800 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 4580 2800 50  0001 C CNN
F 3 "~" H 4650 2800 50  0001 C CNN
	1    4650 2800
	0    1    1    0   
$EndComp
Text Notes 6750 2650 0    50   ~ 0
low-to-high-transition on DONE\n -> DRV = 1 
$Comp
L Device:R R35
U 1 1 5E3086AE
P 8150 5200
F 0 "R35" V 8100 4700 50  0000 L CNN
F 1 "470" V 8100 4900 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 8080 5200 50  0001 C CNN
F 3 "~" H 8150 5200 50  0001 C CNN
	1    8150 5200
	0    1    1    0   
$EndComp
Text Label 7950 1950 0    50   ~ 0
DONE
Wire Wire Line
	8300 5200 8450 5200
Text Label 8450 5200 0    50   ~ 0
DONE
$Comp
L Device:R R32
U 1 1 5E3679AA
P 7900 2200
F 0 "R32" H 7970 2246 50  0000 L CNN
F 1 "12k" H 7970 2155 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7830 2200 50  0001 C CNN
F 3 "~" H 7900 2200 50  0001 C CNN
	1    7900 2200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR034
U 1 1 5E367E8F
P 7900 2350
F 0 "#PWR034" H 7900 2100 50  0001 C CNN
F 1 "GND" H 7905 2177 50  0001 C CNN
F 2 "" H 7900 2350 50  0001 C CNN
F 3 "" H 7900 2350 50  0001 C CNN
	1    7900 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	7900 2050 7900 1950
Wire Wire Line
	7750 1950 7900 1950
Wire Wire Line
	6250 5200 8000 5200
Wire Wire Line
	7900 1950 7950 1950
Connection ~ 7900 1950
$Comp
L Device:R R31
U 1 1 5E3D7F64
P 7900 1000
F 0 "R31" V 8100 1000 50  0000 C CNN
F 1 "0R" V 8000 1000 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7830 1000 50  0001 C CNN
F 3 "~" H 7900 1000 50  0001 C CNN
	1    7900 1000
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7550 1000 7750 1000
Wire Wire Line
	8050 1000 8250 1000
$Comp
L Connector:TestPoint TP2
U 1 1 5E3F46DF
P 4100 1200
F 0 "TP2" H 4158 1318 50  0000 L CNN
F 1 "TestPoint" H 4158 1227 50  0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5000-5004_Miniature" H 4300 1200 50  0001 C CNN
F 3 "~" H 4300 1200 50  0001 C CNN
	1    4100 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 1350 4100 1200
Connection ~ 4100 1350
Wire Wire Line
	4100 1350 4500 1350
$Comp
L Connector:TestPoint TP3
U 1 1 5E4032A5
P 4950 1200
F 0 "TP3" H 5008 1318 50  0000 L CNN
F 1 "TestPoint" H 5008 1227 50  0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5000-5004_Miniature" H 5150 1200 50  0001 C CNN
F 3 "~" H 5150 1200 50  0001 C CNN
	1    4950 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	4950 1350 4950 1200
$Comp
L Connector:TestPoint TP4
U 1 1 5E4116D8
P 5600 1200
F 0 "TP4" H 5658 1318 50  0000 L CNN
F 1 "TestPoint" H 5658 1227 50  0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5000-5004_Miniature" H 5800 1200 50  0001 C CNN
F 3 "~" H 5800 1200 50  0001 C CNN
	1    5600 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	5600 1200 5600 1350
Connection ~ 5600 1350
Wire Wire Line
	5600 1350 5750 1350
Wire Wire Line
	6150 2900 6200 2900
$Comp
L Device:C C6
U 1 1 5E06BBAD
P 3800 1950
F 0 "C6" H 3650 2000 50  0000 C CNN
F 1 "1n" H 3650 1900 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3838 1800 50  0001 C CNN
F 3 "~" H 3800 1950 50  0001 C CNN
	1    3800 1950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR017
U 1 1 5E06CB97
P 3800 2350
F 0 "#PWR017" H 3800 2100 50  0001 C CNN
F 1 "GND" H 3805 2177 50  0001 C CNN
F 2 "" H 3800 2350 50  0001 C CNN
F 3 "" H 3800 2350 50  0001 C CNN
	1    3800 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	3800 2350 3800 2100
Wire Wire Line
	3800 1800 3800 1750
Wire Wire Line
	3800 1750 4000 1750
Wire Wire Line
	4500 2600 4300 2600
Wire Wire Line
	4300 2600 4300 2800
Wire Wire Line
	5750 2600 4800 2600
Connection ~ 5750 2600
Wire Wire Line
	5050 2800 5550 2800
Connection ~ 5050 2800
Wire Wire Line
	4500 2800 4300 2800
Text Notes 3050 3050 0    50   ~ 0
Wake-Up On RF Power
Text Notes 9250 5400 2    50   ~ 0
(HSPI_MISO)
Text Notes 9250 5500 2    50   ~ 0
(HSPI_MOSI)
Text Notes 10750 5400 0    50   ~ 0
(HSPI_CS)
Text Label 6500 4900 0    50   ~ 0
IO2
Text Notes 10750 5500 0    50   ~ 0
(UART1_TXD)
$Comp
L Battery_Management:MCP73831-2-OT U2
U 1 1 5E15B33F
P 2950 1450
F 0 "U2" H 2950 1931 50  0000 C CNN
F 1 "MCP73831-2-OT" H 2950 1840 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 3000 1200 50  0001 L CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20001984g.pdf" H 2800 1400 50  0001 C CNN
	1    2950 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	2150 1100 2500 1100
Connection ~ 3500 1350
Wire Wire Line
	3500 1350 4000 1350
Wire Wire Line
	3500 1950 3500 2000
Wire Wire Line
	3500 2000 3400 2000
Wire Wire Line
	3400 2000 3400 1750
Wire Wire Line
	3400 1550 3350 1550
$Comp
L Device:CP C9
U 1 1 5E227FD7
P 4500 1850
F 0 "C9" H 4300 2100 50  0000 L CNN
F 1 "4µ7" H 4300 2000 50  0000 L CNN
F 2 "Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder" H 4538 1700 50  0001 C CNN
F 3 "~" H 4500 1850 50  0001 C CNN
	1    4500 1850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR021
U 1 1 5E228C27
P 4500 2350
F 0 "#PWR021" H 4500 2100 50  0001 C CNN
F 1 "GND" H 4505 2177 50  0001 C CNN
F 2 "" H 4500 2350 50  0001 C CNN
F 3 "" H 4500 2350 50  0001 C CNN
	1    4500 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 2350 4500 2000
Wire Wire Line
	4500 1700 4500 1350
Connection ~ 4500 1350
Wire Wire Line
	4500 1350 4600 1350
$Comp
L Connector:TestPoint TP1
U 1 1 5E248AEE
P 1600 3950
F 0 "TP1" H 1658 4068 50  0000 L CNN
F 1 "TestPoint" H 1658 3977 50  0000 L CNN
F 2 "TestPoint:TestPoint_Keystone_5000-5004_Miniature" H 1800 3950 50  0001 C CNN
F 3 "~" H 1800 3950 50  0001 C CNN
	1    1600 3950
	1    0    0    -1  
$EndComp
Wire Wire Line
	1600 4200 1600 3950
Text Notes 2000 2600 0    50   ~ 0
I_reg = 1000V/RPROG
Text Label 9300 5500 0    50   ~ 0
ST13
Text Notes 10750 5300 0    50   ~ 0
(HSPI_CLK)
Text Label 10550 5300 0    50   ~ 0
ST14
Text Label 10550 5200 0    50   ~ 0
IO4_SDA
Text Label 10550 5100 0    50   ~ 0
IO5_SCL
$Comp
L Device:R R33
U 1 1 5E261535
P 8000 5650
F 0 "R33" V 8100 5600 50  0000 L CNN
F 1 "120" V 8200 5600 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7930 5650 50  0001 C CNN
F 3 "~" H 8000 5650 50  0001 C CNN
	1    8000 5650
	0    1    1    0   
$EndComp
Connection ~ 7750 5650
Wire Wire Line
	7750 5650 7750 6250
Text Label 8250 5650 0    50   ~ 0
ST14
Wire Wire Line
	7850 5650 7750 5650
Wire Wire Line
	8150 5650 8250 5650
$Comp
L Device:R R30
U 1 1 5E2A3E6D
P 7100 5850
F 0 "R30" V 7200 5800 50  0000 L CNN
F 1 "120" V 7300 5800 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 7030 5850 50  0001 C CNN
F 3 "~" H 7100 5850 50  0001 C CNN
	1    7100 5850
	0    1    1    0   
$EndComp
Wire Wire Line
	6950 5850 6850 5850
Wire Wire Line
	6850 5500 6850 5850
Connection ~ 6850 5500
Wire Wire Line
	6850 5500 6950 5500
Wire Wire Line
	7250 5850 7350 5850
Text Label 7350 5850 0    50   ~ 0
ST15
$Comp
L Device:R R36
U 1 1 5E2C6A0F
P 8150 5300
F 0 "R36" V 8100 4800 50  0000 L CNN
F 1 "120" V 8100 5000 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 8080 5300 50  0001 C CNN
F 3 "~" H 8150 5300 50  0001 C CNN
	1    8150 5300
	0    1    1    0   
$EndComp
Wire Wire Line
	6250 5300 8000 5300
Wire Wire Line
	8650 5500 8650 5300
Wire Wire Line
	8650 5300 8300 5300
Wire Wire Line
	8650 5500 9700 5500
Wire Wire Line
	6850 4900 6850 4750
Wire Wire Line
	6850 4450 6850 4350
Wire Wire Line
	6250 4900 6850 4900
$Comp
L Device:R R34
U 1 1 5E33FE69
P 8150 4900
F 0 "R34" V 8100 4400 50  0000 L CNN
F 1 "120" V 8100 4600 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 8080 4900 50  0001 C CNN
F 3 "~" H 8150 4900 50  0001 C CNN
	1    8150 4900
	0    1    1    0   
$EndComp
Wire Wire Line
	6850 4900 8000 4900
Connection ~ 6850 4900
Wire Wire Line
	8300 4900 8450 4900
Text Label 8450 4900 0    50   ~ 0
ST2
$Comp
L power:PWR_FLAG #FLG03
U 1 1 5E37F731
P 5500 4200
F 0 "#FLG03" H 5500 4275 50  0001 C CNN
F 1 "PWR_FLAG" H 5500 4373 50  0000 C CNN
F 2 "" H 5500 4200 50  0001 C CNN
F 3 "~" H 5500 4200 50  0001 C CNN
	1    5500 4200
	1    0    0    -1  
$EndComp
Connection ~ 5500 4200
Wire Wire Line
	5500 4200 5750 4200
$Comp
L power:PWR_FLAG #FLG02
U 1 1 5E381B7F
P 2500 1100
F 0 "#FLG02" H 2500 1175 50  0001 C CNN
F 1 "PWR_FLAG" H 2500 1273 50  0000 C CNN
F 2 "" H 2500 1100 50  0001 C CNN
F 3 "~" H 2500 1100 50  0001 C CNN
	1    2500 1100
	1    0    0    -1  
$EndComp
Connection ~ 2500 1100
Wire Wire Line
	2500 1100 2950 1100
NoConn ~ 1550 6350
$Comp
L power:PWR_FLAG #FLG04
U 1 1 5E3943E6
P 7050 1350
F 0 "#FLG04" H 7050 1425 50  0001 C CNN
F 1 "PWR_FLAG" H 7050 1523 50  0000 C CNN
F 2 "" H 7050 1350 50  0001 C CNN
F 3 "~" H 7050 1350 50  0001 C CNN
	1    7050 1350
	1    0    0    -1  
$EndComp
Connection ~ 7050 1350
Wire Wire Line
	7050 1350 7250 1350
$Comp
L power:PWR_FLAG #FLG01
U 1 1 5E395DDA
P 1400 4300
F 0 "#FLG01" H 1400 4375 50  0001 C CNN
F 1 "PWR_FLAG" V 1400 4427 50  0000 L CNN
F 2 "" H 1400 4300 50  0001 C CNN
F 3 "~" H 1400 4300 50  0001 C CNN
	1    1400 4300
	0    -1   -1   0   
$EndComp
Connection ~ 1400 4300
Wire Wire Line
	1400 4300 1400 4200
Wire Wire Line
	7600 4200 7850 4200
$Comp
L Device:R R10
U 1 1 5E397D14
P 3250 1950
F 0 "R10" H 3100 2000 50  0000 C CNN
F 1 "0R" H 3100 1900 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3180 1950 50  0001 C CNN
F 3 "~" H 3250 1950 50  0001 C CNN
	1    3250 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	3250 1800 3250 1750
Wire Wire Line
	3250 1750 3400 1750
Connection ~ 3400 1750
Wire Wire Line
	3400 1750 3400 1550
Wire Wire Line
	3250 2100 3250 2400
Text Label 3250 2400 0    50   ~ 0
IO2
Text Label 1700 4200 0    50   ~ 0
VI
Text Label 2500 4200 0    50   ~ 0
VO
Text Label 4800 4800 0    50   ~ 0
EN
Text Label 1550 6450 0    50   ~ 0
V+
$Comp
L Diode:1N4148WS D7
U 1 1 5E3F0984
P 6200 2600
F 0 "D7" V 6154 2680 50  0000 L CNN
F 1 "1N4148WS" V 6245 2680 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-323" H 6200 2425 50  0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 6200 2600 50  0001 C CNN
	1    6200 2600
	0    1    1    0   
$EndComp
$Comp
L Diode:1N4148WS D4
U 1 1 5E3F237E
P 4650 2600
F 0 "D4" H 4650 2383 50  0000 C CNN
F 1 "1N4148WS" H 4600 2500 50  0000 C CNN
F 2 "Diode_SMD:D_SOD-323" H 4650 2425 50  0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 4650 2600 50  0001 C CNN
	1    4650 2600
	-1   0    0    1   
$EndComp
$Comp
L Diode:1N4148WS D3
U 1 1 5E3F3805
P 4050 2800
F 0 "D3" H 4050 2583 50  0000 C CNN
F 1 "1N4148WS" H 4000 2700 50  0000 C CNN
F 2 "Diode_SMD:D_SOD-323" H 4050 2625 50  0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 4050 2800 50  0001 C CNN
	1    4050 2800
	-1   0    0    1   
$EndComp
$Comp
L Diode:1N4148WS D5
U 1 1 5E3F4A03
P 5100 6450
F 0 "D5" V 5500 6450 50  0000 C CNN
F 1 "1N4148WS" V 5600 6450 50  0000 C CNN
F 2 "Diode_SMD:D_SOD-323" H 5100 6275 50  0001 C CNN
F 3 "https://www.vishay.com/docs/85751/1n4148ws.pdf" H 5100 6450 50  0001 C CNN
	1    5100 6450
	0    1    1    0   
$EndComp
Text Notes 1750 5100 0    50   ~ 0
alt.: TPS7A26 (WSON)\nmax. drop 280mV @250mA\n590mV @500mA
Text Notes 1800 3750 0    50   ~ 0
max. drop 500mV @500mA
Wire Wire Line
	4650 4200 5500 4200
Wire Wire Line
	3200 4200 3650 4200
Connection ~ 3650 4200
Wire Wire Line
	3650 4200 4100 4200
Connection ~ 4100 4200
Wire Wire Line
	4100 4200 4650 4200
Wire Wire Line
	3600 4550 3650 4550
Wire Wire Line
	3650 4550 3650 4700
Text Label 4850 5300 0    50   ~ 0
IO3_RXD
Text Label 4850 5400 0    50   ~ 0
IO1_TXD
Text Notes 3300 2300 0    50   ~ 0
charging
Text Notes 6150 6300 0    50   ~ 0
resetting
Wire Wire Line
	6450 6150 6700 6150
Connection ~ 6700 6150
Wire Wire Line
	6600 6750 6700 6750
Wire Wire Line
	6700 6150 6700 6750
$EndSCHEMATC