main.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "Indoor air quality monitor"
Date "2022-03-04"
Rev "2"
Comp ""
Comment1 "Added uFl connector and link for antenna"
Comment2 "Added i2c oled connectors"
Comment3 ""
Comment4 ""
$EndDescr
Text GLabel 4400 4125 2    50   Input ~ 0
SWDIO
Text GLabel 4400 3925 2    50   Input ~ 0
SWCLK
$Comp
L power:+3V3 #PWR0115
U 1 1 617BA284
P 4325 3675
F 0 "#PWR0115" H 4325 3525 50  0001 C CNN
F 1 "+3V3" H 4340 3848 50  0000 C CNN
F 2 "" H 4325 3675 50  0001 C CNN
F 3 "" H 4325 3675 50  0001 C CNN
	1    4325 3675
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0116
U 1 1 617BABDB
P 4400 4025
F 0 "#PWR0116" H 4400 3775 50  0001 C CNN
F 1 "GND" V 4400 3825 50  0000 C CNN
F 2 "" H 4400 4025 50  0001 C CNN
F 3 "" H 4400 4025 50  0001 C CNN
	1    4400 4025
	0    -1   -1   0   
$EndComp
Text GLabel 4400 4225 2    50   Input ~ 0
RST
$Comp
L Connector:Conn_01x06_Male J1
U 1 1 617BE23C
P 4050 4025
F 0 "J1" H 3900 4450 50  0000 C CNN
F 1 "1x6 header" H 3925 4375 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical" H 4050 4025 50  0001 C CNN
F 3 "~" H 4050 4025 50  0001 C CNN
	1    4050 4025
	1    0    0    -1  
$EndComp
Wire Wire Line
	4325 3675 4325 3825
Wire Wire Line
	4325 3825 4250 3825
Wire Wire Line
	4250 3925 4400 3925
Wire Wire Line
	4250 4025 4400 4025
Wire Wire Line
	4250 4125 4400 4125
Wire Wire Line
	4250 4225 4400 4225
NoConn ~ 4250 4325
Text Notes 3750 3200 0    50   ~ 0
DEBUGGER FOR ST-LINKV2\n
Text GLabel 4850 6800 0    50   Input ~ 0
I2C_SCL
Text GLabel 4850 6600 0    50   Input ~ 0
I2C_SDA
$Comp
L main-rescue:BME688-BME688 U2
U 1 1 61802F1D
P 5575 6700
F 0 "U2" H 4975 7275 50  0000 L CNN
F 1 "BME688" H 4975 7200 50  0000 L CNN
F 2 "Package_LGA:Bosch_LGA-8_3x3mm_P0.8mm_ClockwisePinNumbering" H 7025 6250 50  0001 C CNN
F 3 "" H 5575 6500 50  0001 C CNN
	1    5575 6700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 6600 4975 6600
Wire Wire Line
	4850 6800 4975 6800
$Comp
L power:+3V3 #PWR0117
U 1 1 618065A7
P 6300 6500
F 0 "#PWR0117" H 6300 6350 50  0001 C CNN
F 1 "+3V3" H 6315 6673 50  0000 C CNN
F 2 "" H 6300 6500 50  0001 C CNN
F 3 "" H 6300 6500 50  0001 C CNN
	1    6300 6500
	1    0    0    -1  
$EndComp
Wire Wire Line
	6175 6600 6300 6600
Wire Wire Line
	6300 6600 6300 6500
$Comp
L power:GND #PWR0118
U 1 1 618076AE
P 6300 6850
F 0 "#PWR0118" H 6300 6600 50  0001 C CNN
F 1 "GND" H 6305 6677 50  0000 C CNN
F 2 "" H 6300 6850 50  0001 C CNN
F 3 "" H 6300 6850 50  0001 C CNN
	1    6300 6850
	1    0    0    -1  
$EndComp
Wire Wire Line
	6300 6800 6300 6850
Wire Wire Line
	6175 6800 6300 6800
$Comp
L power:GND #PWR0119
U 1 1 61809413
P 5575 7450
F 0 "#PWR0119" H 5575 7200 50  0001 C CNN
F 1 "GND" H 5580 7277 50  0000 C CNN
F 2 "" H 5575 7450 50  0001 C CNN
F 3 "" H 5575 7450 50  0001 C CNN
	1    5575 7450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5475 7300 5475 7400
Wire Wire Line
	5475 7400 5575 7400
Wire Wire Line
	5675 7300 5675 7400
Wire Wire Line
	5675 7400 5575 7400
Connection ~ 5575 7400
$Comp
L power:+3V3 #PWR0120
U 1 1 6180BAD5
P 5575 5975
F 0 "#PWR0120" H 5575 5825 50  0001 C CNN
F 1 "+3V3" H 5590 6148 50  0000 C CNN
F 2 "" H 5575 5975 50  0001 C CNN
F 3 "" H 5575 5975 50  0001 C CNN
	1    5575 5975
	1    0    0    -1  
$EndComp
Wire Wire Line
	5475 6100 5475 6000
Wire Wire Line
	5475 6000 5575 6000
Wire Wire Line
	5575 6000 5575 5975
Wire Wire Line
	5675 6100 5675 6000
Wire Wire Line
	5675 6000 5575 6000
Connection ~ 5575 6000
Text Notes 4850 5775 0    50   ~ 10
BME688 section. Address 0x76 ( SDO -> GND )\nCSB -> 3v3 for I2C sel\nSDI/SCK NEED 4.7K PULL-UP\n\n
Wire Notes Line
	4400 7700 6875 7700
Wire Notes Line
	6875 7700 6875 5425
Wire Notes Line
	6875 5425 4400 5425
Wire Notes Line
	4400 5425 4400 7700
Wire Wire Line
	5575 7400 5575 7450
Text GLabel 8100 5675 0    50   Input ~ 10
RF_ANTENNA
$Comp
L Connector_Generic:Conn_01x03 J4
U 1 1 618D8888
P 1450 3900
F 0 "J4" H 1425 4250 50  0000 L CNN
F 1 "Conn_01x03" H 1250 4150 50  0000 L CNN
F 2 "Connector_PinSocket_2.54mm:PinSocket_1x03_P2.54mm_Vertical" H 1450 3900 50  0001 C CNN
F 3 "~" H 1450 3900 50  0001 C CNN
	1    1450 3900
	1    0    0    -1  
$EndComp
Text GLabel 1250 3800 0    50   Input ~ 0
UART1_RX
Text GLabel 1250 3900 0    50   Input ~ 0
UART1_TX
$Comp
L power:GND #PWR08
U 1 1 618DC96C
P 1250 4000
F 0 "#PWR08" H 1250 3750 50  0001 C CNN
F 1 "GND" H 1255 3827 50  0000 C CNN
F 2 "" H 1250 4000 50  0001 C CNN
F 3 "" H 1250 4000 50  0001 C CNN
	1    1250 4000
	1    0    0    -1  
$EndComp
$Comp
L Connector:TestPoint_Small SCL1
U 1 1 61906980
P 5825 3775
F 0 "SCL1" H 5750 3625 50  0000 L CNN
F 1 "SCL_TP" H 5675 3700 50  0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 6025 3775 50  0001 C CNN
F 3 "~" H 6025 3775 50  0001 C CNN
	1    5825 3775
	-1   0    0    1   
$EndComp
$Comp
L Connector:TestPoint_Small SDA1
U 1 1 619098E4
P 6150 3775
F 0 "SDA1" H 6050 3625 50  0000 L CNN
F 1 "SDA_TP" H 5975 3700 50  0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 6350 3775 50  0001 C CNN
F 3 "~" H 6350 3775 50  0001 C CNN
	1    6150 3775
	-1   0    0    1   
$EndComp
Text GLabel 6150 4025 3    50   Input ~ 0
I2C_SDA
Text GLabel 5825 4025 3    50   Input ~ 0
I2C_SCL
Wire Wire Line
	6150 4025 6150 3775
Wire Wire Line
	5825 4025 5825 3775
$Comp
L Connector:TestPoint_Small GND1
U 1 1 61981146
P 5300 3800
F 0 "GND1" V 5475 3700 50  0000 L CNN
F 1 "GND" V 5400 3725 50  0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 5500 3800 50  0001 C CNN
F 3 "~" H 5500 3800 50  0001 C CNN
	1    5300 3800
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0130
U 1 1 61984DB5
P 5300 3900
F 0 "#PWR0130" H 5300 3650 50  0001 C CNN
F 1 "GND" V 5305 3772 50  0000 R CNN
F 2 "" H 5300 3900 50  0001 C CNN
F 3 "" H 5300 3900 50  0001 C CNN
	1    5300 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5300 3800 5300 3900
Wire Wire Line
	5575 3900 5575 3775
$Comp
L Connector:TestPoint_Small FT1
U 1 1 619C09A1
P 5575 3775
F 0 "FT1" V 5725 3750 50  0000 L CNN
F 1 "FT_TP" V 5650 3675 50  0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 5775 3775 50  0001 C CNN
F 3 "~" H 5775 3775 50  0001 C CNN
	1    5575 3775
	0    -1   -1   0   
$EndComp
Text GLabel 5575 3900 3    50   Input ~ 0
FT
$Comp
L Connector:Conn_01x04_Female J6
U 1 1 623EEFD2
P 2925 3900
F 0 "J6" H 2750 4275 50  0000 L CNN
F 1 "Conn_01x04_Female" H 2475 4175 50  0000 L CNN
F 2 "Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical" H 2925 3900 50  0001 C CNN
F 3 "~" H 2925 3900 50  0001 C CNN
	1    2925 3900
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0131
U 1 1 623EFFA7
P 2725 3900
F 0 "#PWR0131" H 2725 3750 50  0001 C CNN
F 1 "+3V3" V 2740 4028 50  0000 L CNN
F 2 "" H 2725 3900 50  0001 C CNN
F 3 "" H 2725 3900 50  0001 C CNN
	1    2725 3900
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0132
U 1 1 623F2408
P 2725 3800
F 0 "#PWR0132" H 2725 3550 50  0001 C CNN
F 1 "GND" V 2730 3672 50  0000 R CNN
F 2 "" H 2725 3800 50  0001 C CNN
F 3 "" H 2725 3800 50  0001 C CNN
	1    2725 3800
	0    1    1    0   
$EndComp
Text GLabel 2725 4100 0    50   Input ~ 0
I2C_SDA
Text GLabel 2725 4000 0    50   Input ~ 0
I2C_SCL
Wire Notes Line
	500  2750 11200 2750
Wire Notes Line
	7600 825  7600 2575
Wire Notes Line
	8650 825  8650 2575
Wire Notes Line
	10150 2575 8725 2575
Wire Notes Line
	8725 825  8725 2575
Wire Notes Line
	10150 825  10150 2575
Wire Wire Line
	9650 1825 9650 2125
Wire Wire Line
	9200 1825 9200 2125
Wire Wire Line
	9200 1375 9200 1625
Wire Wire Line
	9650 1375 9650 1625
Wire Wire Line
	8300 1325 8300 1625
Wire Wire Line
	8300 1825 8300 2125
Wire Wire Line
	7850 1825 7850 2125
Wire Wire Line
	7850 1325 7850 1625
Wire Notes Line
	6075 2575 6075 825 
Wire Notes Line
	7525 2575 6075 2575
Wire Notes Line
	7525 825  7525 2575
Wire Notes Line
	6075 825  7525 825 
Wire Notes Line
	650  825  650  2575
Wire Notes Line
	3850 1125 3850 825 
Wire Wire Line
	3500 1825 3225 1825
Connection ~ 3500 1825
Wire Wire Line
	3500 1975 3500 1825
$Comp
L Connector:TestPoint_Small 3V3_OUT1
U 1 1 618F8508
P 3500 1975
F 0 "3V3_OUT1" H 3548 2021 50  0000 L CNN
F 1 "3V3_TP" H 3500 1900 50  0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 3700 1975 50  0001 C CNN
F 3 "~" H 3700 1975 50  0001 C CNN
	1    3500 1975
	1    0    0    -1  
$EndComp
Text Notes 4700 975  0    50   ~ 0
Power connectors\n
Wire Notes Line
	4000 825  4000 2575
Wire Notes Line
	6000 825  4000 825 
Wire Notes Line
	6000 2575 6000 825 
Wire Notes Line
	4000 2575 6000 2575
Wire Wire Line
	4425 2175 4425 2275
$Comp
L power:GND #PWR0128
U 1 1 61829CBA
P 4425 2275
F 0 "#PWR0128" H 4425 2025 50  0001 C CNN
F 1 "GND" H 4430 2102 50  0000 C CNN
F 2 "" H 4425 2275 50  0001 C CNN
F 3 "" H 4425 2275 50  0001 C CNN
	1    4425 2275
	1    0    0    -1  
$EndComp
Wire Wire Line
	4875 1500 4875 1575
Wire Wire Line
	4725 1575 4875 1575
$Comp
L power:VDD #PWR0127
U 1 1 6181EA27
P 4875 1500
F 0 "#PWR0127" H 4875 1350 50  0001 C CNN
F 1 "VDD" H 4890 1673 50  0000 C CNN
F 2 "" H 4875 1500 50  0001 C CNN
F 3 "" H 4875 1500 50  0001 C CNN
	1    4875 1500
	1    0    0    -1  
$EndComp
NoConn ~ 4725 1975
NoConn ~ 4325 2175
$Comp
L Connector:USB_B_Micro USB_PWR1
U 1 1 6180F261
P 4425 1775
F 0 "USB_PWR1" H 4482 2242 50  0000 C CNN
F 1 "USB_B_Micro" H 4482 2151 50  0000 C CNN
F 2 "Connector_USB:USB_Micro-B_Amphenol_10103594-0001LF_Horizontal" H 4575 1725 50  0001 C CNN
F 3 "~" H 4575 1725 50  0001 C CNN
	1    4425 1775
	1    0    0    -1  
$EndComp
NoConn ~ 4725 1875
NoConn ~ 4725 1775
Wire Notes Line
	650  2575 3850 2575
Wire Notes Line
	650  825  3850 825 
Wire Wire Line
	3225 2300 3225 2325
Connection ~ 3225 2300
Wire Wire Line
	2925 2300 3225 2300
Wire Wire Line
	2925 2125 2925 2300
$Comp
L mmiSymbol:TLV70333DBVR U3
U 1 1 61787A56
P 2525 1975
F 0 "U3" H 2525 2390 50  0000 C CNN
F 1 "TLV70333DBVR" H 2525 2299 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5_HandSoldering" H 2475 2575 50  0001 C CNN
F 3 "https://www.ti.com/lit/ds/symlink/tlv703.pdf?ts=1635229150191&ref_url=https%253A%252F%252Fwww.ti.com%252Fstore%252Fti%252Fen%252Fp%252Fproduct%252F%253Fp%253DTLV70333DBVR" H 2225 1775 50  0001 C CNN
	1    2525 1975
	1    0    0    -1  
$EndComp
Wire Wire Line
	3625 1625 3625 1825
Wire Wire Line
	2525 2350 2525 2325
Wire Wire Line
	2025 1825 2125 1825
Connection ~ 2025 1825
Wire Wire Line
	2025 2125 2025 1825
Wire Wire Line
	2125 2125 2025 2125
Wire Wire Line
	3225 1825 3225 2050
Text Notes 2050 1275 0    50   ~ 10
3V3 REGULATOR\n300 mA max current consumption\nFB for filtering & EMI ( USB POWER? ) \nPolyfuse
Wire Notes Line
	3850 1150 3850 2575
Connection ~ 1825 1825
Wire Wire Line
	1675 1825 1825 1825
Wire Wire Line
	1325 1825 1475 1825
Wire Wire Line
	825  1825 1125 1825
Wire Wire Line
	825  1675 825  1825
$Comp
L Device:Polyfuse_Small F1
U 1 1 61906770
P 1225 1825
F 0 "F1" V 1020 1825 50  0000 C CNN
F 1 "300mA Fuse" V 1111 1825 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" H 1275 1625 50  0001 L CNN
F 3 "~" H 1225 1825 50  0001 C CNN
	1    1225 1825
	0    1    1    0   
$EndComp
$Comp
L Device:Ferrite_Bead_Small FB1
U 1 1 618FFA2B
P 1575 1825
F 0 "FB1" V 1338 1825 50  0000 C CNN
F 1 "FB" V 1429 1825 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" V 1505 1825 50  0001 C CNN
F 3 "~" H 1575 1825 50  0001 C CNN
	1    1575 1825
	0    1    1    0   
$EndComp
Connection ~ 3225 1825
Wire Wire Line
	3625 1825 3500 1825
$Comp
L power:+3V3 #PWR05
U 1 1 618F9B6B
P 3625 1625
F 0 "#PWR05" H 3625 1475 50  0001 C CNN
F 1 "+3V3" H 3640 1798 50  0000 C CNN
F 2 "" H 3625 1625 50  0001 C CNN
F 3 "" H 3625 1625 50  0001 C CNN
	1    3625 1625
	1    0    0    -1  
$EndComp
Wire Wire Line
	1825 1825 2025 1825
Wire Wire Line
	1825 1825 1825 2050
Wire Wire Line
	1825 2250 1825 2325
Wire Wire Line
	3225 2250 3225 2300
$Comp
L Device:C_Small C5
U 1 1 618C5A71
P 1825 2150
F 0 "C5" H 2050 2100 50  0000 R CNN
F 1 "1uF" H 2050 2175 50  0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 1825 2150 50  0001 C CNN
F 3 "~" H 1825 2150 50  0001 C CNN
	1    1825 2150
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR04
U 1 1 618E5E15
P 3225 2325
F 0 "#PWR04" H 3225 2075 50  0001 C CNN
F 1 "GND" H 3230 2152 50  0000 C CNN
F 2 "" H 3225 2325 50  0001 C CNN
F 3 "" H 3225 2325 50  0001 C CNN
	1    3225 2325
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR03
U 1 1 618E0208
P 2525 2350
F 0 "#PWR03" H 2525 2100 50  0001 C CNN
F 1 "GND" H 2530 2177 50  0000 C CNN
F 2 "" H 2525 2350 50  0001 C CNN
F 3 "" H 2525 2350 50  0001 C CNN
	1    2525 2350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR02
U 1 1 618DC22B
P 1825 2325
F 0 "#PWR02" H 1825 2075 50  0001 C CNN
F 1 "GND" H 1830 2152 50  0000 C CNN
F 2 "" H 1825 2325 50  0001 C CNN
F 3 "" H 1825 2325 50  0001 C CNN
	1    1825 2325
	1    0    0    -1  
$EndComp
$Comp
L power:VDD #PWR01
U 1 1 618D9737
P 825 1675
F 0 "#PWR01" H 825 1525 50  0001 C CNN
F 1 "VDD" H 840 1848 50  0000 C CNN
F 2 "" H 825 1675 50  0001 C CNN
F 3 "" H 825 1675 50  0001 C CNN
	1    825  1675
	1    0    0    -1  
$EndComp
Wire Wire Line
	3225 1825 2925 1825
$Comp
L Device:C_Small C6
U 1 1 618C69FF
P 3225 2150
F 0 "C6" H 3133 2104 50  0000 R CNN
F 1 "1uF" H 3133 2195 50  0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 3225 2150 50  0001 C CNN
F 3 "~" H 3225 2150 50  0001 C CNN
	1    3225 2150
	-1   0    0    1   
$EndComp
Text Notes 7625 1050 0    50   ~ 10
PLACE CLOSE TO E5-LORA\n
Wire Notes Line
	10150 825  8725 825 
Text Notes 8800 1075 0    50   ~ 10
PLACE CLOSE TO BME688 SENSOR
Text Notes 9050 925  0    50   ~ 0
BME688 decoupling\n
$Comp
L Device:C_Small C4
U 1 1 6179A0A9
P 9650 1725
F 0 "C4" H 9742 1771 50  0000 L CNN
F 1 "100nF" H 9742 1680 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 9650 1725 50  0001 C CNN
F 3 "~" H 9650 1725 50  0001 C CNN
	1    9650 1725
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0113
U 1 1 6179A0A3
P 9650 2125
F 0 "#PWR0113" H 9650 1875 50  0001 C CNN
F 1 "GND" H 9655 1952 50  0000 C CNN
F 2 "" H 9650 2125 50  0001 C CNN
F 3 "" H 9650 2125 50  0001 C CNN
	1    9650 2125
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0112
U 1 1 6179A09D
P 9650 1375
F 0 "#PWR0112" H 9650 1225 50  0001 C CNN
F 1 "+3V3" H 9665 1548 50  0000 C CNN
F 2 "" H 9650 1375 50  0001 C CNN
F 3 "" H 9650 1375 50  0001 C CNN
	1    9650 1375
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C2
U 1 1 6179A095
P 9200 1725
F 0 "C2" H 9292 1771 50  0000 L CNN
F 1 "100nF" H 9292 1680 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 9200 1725 50  0001 C CNN
F 3 "~" H 9200 1725 50  0001 C CNN
	1    9200 1725
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0111
U 1 1 6179A08F
P 9200 2125
F 0 "#PWR0111" H 9200 1875 50  0001 C CNN
F 1 "GND" H 9205 1952 50  0000 C CNN
F 2 "" H 9200 2125 50  0001 C CNN
F 3 "" H 9200 2125 50  0001 C CNN
	1    9200 2125
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0110
U 1 1 6179A089
P 9200 1375
F 0 "#PWR0110" H 9200 1225 50  0001 C CNN
F 1 "+3V3" H 9215 1548 50  0000 C CNN
F 2 "" H 9200 1375 50  0001 C CNN
F 3 "" H 9200 1375 50  0001 C CNN
	1    9200 1375
	1    0    0    -1  
$EndComp
Text Notes 7825 925  0    50   ~ 0
MCU decoupling\n
Wire Notes Line
	8650 825  7600 825 
Wire Notes Line
	7600 2575 8650 2575
$Comp
L Device:C_Small C3
U 1 1 61781AAA
P 8300 1725
F 0 "C3" H 8392 1771 50  0000 L CNN
F 1 "4.7uF" H 8392 1680 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 8300 1725 50  0001 C CNN
F 3 "~" H 8300 1725 50  0001 C CNN
	1    8300 1725
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0104
U 1 1 61781AA4
P 8300 2125
F 0 "#PWR0104" H 8300 1875 50  0001 C CNN
F 1 "GND" H 8305 1952 50  0000 C CNN
F 2 "" H 8300 2125 50  0001 C CNN
F 3 "" H 8300 2125 50  0001 C CNN
	1    8300 2125
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0103
U 1 1 61781A9E
P 8300 1325
F 0 "#PWR0103" H 8300 1175 50  0001 C CNN
F 1 "+3V3" H 8315 1498 50  0000 C CNN
F 2 "" H 8300 1325 50  0001 C CNN
F 3 "" H 8300 1325 50  0001 C CNN
	1    8300 1325
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C1
U 1 1 61772FC0
P 7850 1725
F 0 "C1" H 7942 1771 50  0000 L CNN
F 1 "100nF" H 7942 1680 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 7850 1725 50  0001 C CNN
F 3 "~" H 7850 1725 50  0001 C CNN
	1    7850 1725
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0102
U 1 1 617772C3
P 7850 2125
F 0 "#PWR0102" H 7850 1875 50  0001 C CNN
F 1 "GND" H 7855 1952 50  0000 C CNN
F 2 "" H 7850 2125 50  0001 C CNN
F 3 "" H 7850 2125 50  0001 C CNN
	1    7850 2125
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0101
U 1 1 61774647
P 7850 1325
F 0 "#PWR0101" H 7850 1175 50  0001 C CNN
F 1 "+3V3" H 7865 1498 50  0000 C CNN
F 2 "" H 7850 1325 50  0001 C CNN
F 3 "" H 7850 1325 50  0001 C CNN
	1    7850 1325
	1    0    0    -1  
$EndComp
Text Notes 5050 700  0    50   ~ 0
POWER & DECOUPLING\n
Wire Notes Line
	11200 550  11200 2750
Wire Notes Line
	500  550  11200 550 
Wire Notes Line
	500  550  500  2750
Wire Notes Line
	500  2875 11200 2875
Wire Notes Line
	500  2875 500  5075
Wire Notes Line
	500  5075 11200 5075
Text Notes 4475 3000 0    50   ~ 0
CONNECTORS,DEBUGGER,TEST POINTS AND INDICATORS
Wire Notes Line
	1950 4825 1950 3025
Wire Notes Line
	650  3025 650  4825
Wire Notes Line
	650  3025 1950 3025
Wire Notes Line
	650  4825 1950 4825
Wire Notes Line
	3425 4825 3425 3025
Wire Notes Line
	2125 3025 2125 4825
Wire Notes Line
	2125 3025 3425 3025
Wire Notes Line
	2125 4825 3425 4825
Wire Notes Line
	4900 4825 4900 3025
Wire Notes Line
	3600 3025 3600 4825
Wire Notes Line
	3600 3025 4900 3025
Wire Notes Line
	3600 4825 4900 4825
Text Notes 900  3175 0    50   ~ 0
UART 1 CONNECTOR\n
Text Notes 2375 3200 0    50   ~ 0
I2C OLED CONNECTOR\n
Wire Notes Line
	6375 4825 6375 3025
Wire Notes Line
	5075 3025 5075 4825
Wire Notes Line
	5075 3025 6375 3025
Wire Notes Line
	5075 4825 6375 4825
Text Notes 5200 3200 0    50   ~ 0
I2C Test points and other TP
Wire Notes Line
	6550 3025 6550 4825
Text Notes 6675 3200 0    50   ~ 0
I2C Test points and other TP
$Comp
L power:GND #PWR0121
U 1 1 6264AC6A
P 7350 4325
F 0 "#PWR0121" H 7350 4075 50  0001 C CNN
F 1 "GND" H 7355 4152 50  0000 C CNN
F 2 "" H 7350 4325 50  0001 C CNN
F 3 "" H 7350 4325 50  0001 C CNN
	1    7350 4325
	1    0    0    -1  
$EndComp
$Comp
L Device:LED_Small ALERT1
U 1 1 6264AC70
P 8075 3750
F 0 "ALERT1" V 8121 3680 50  0000 R CNN
F 1 "ALERT" V 8030 3680 50  0000 R CNN
F 2 "LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder" V 8075 3750 50  0001 C CNN
F 3 "~" V 8075 3750 50  0001 C CNN
	1    8075 3750
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R4
U 1 1 6264AC76
P 8075 4075
F 0 "R4" H 8016 4029 50  0000 R CNN
F 1 "1.8k" H 8016 4120 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" H 8075 4075 50  0001 C CNN
F 3 "~" H 8075 4075 50  0001 C CNN
	1    8075 4075
	-1   0    0    1   
$EndComp
Wire Wire Line
	7950 3500 8075 3500
Wire Wire Line
	8075 3500 8075 3650
Wire Wire Line
	8075 3975 8075 3850
$Comp
L power:GND #PWR0122
U 1 1 6264AC7F
P 8075 4325
F 0 "#PWR0122" H 8075 4075 50  0001 C CNN
F 1 "GND" H 8080 4152 50  0000 C CNN
F 2 "" H 8075 4325 50  0001 C CNN
F 3 "" H 8075 4325 50  0001 C CNN
	1    8075 4325
	1    0    0    -1  
$EndComp
Wire Wire Line
	8075 4175 8075 4325
$Comp
L Device:LED_Small 3V1
U 1 1 6264AC86
P 8725 3750
F 0 "3V1" V 8771 3680 50  0000 R CNN
F 1 "PWR" V 8680 3680 50  0000 R CNN
F 2 "LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder" V 8725 3750 50  0001 C CNN
F 3 "~" V 8725 3750 50  0001 C CNN
	1    8725 3750
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R5
U 1 1 6264AC8C
P 8725 4075
F 0 "R5" H 8666 4029 50  0000 R CNN
F 1 "1.8k" H 8666 4120 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" H 8725 4075 50  0001 C CNN
F 3 "~" H 8725 4075 50  0001 C CNN
	1    8725 4075
	-1   0    0    1   
$EndComp
Wire Wire Line
	8725 3975 8725 3850
$Comp
L power:GND #PWR0123
U 1 1 6264AC93
P 8725 4325
F 0 "#PWR0123" H 8725 4075 50  0001 C CNN
F 1 "GND" H 8730 4152 50  0000 C CNN
F 2 "" H 8725 4325 50  0001 C CNN
F 3 "" H 8725 4325 50  0001 C CNN
	1    8725 4325
	1    0    0    -1  
$EndComp
Wire Wire Line
	8725 4175 8725 4325
$Comp
L power:+3V3 #PWR0124
U 1 1 6264AC9A
P 8725 3550
F 0 "#PWR0124" H 8725 3400 50  0001 C CNN
F 1 "+3V3" H 8740 3723 50  0000 C CNN
F 2 "" H 8725 3550 50  0001 C CNN
F 3 "" H 8725 3550 50  0001 C CNN
	1    8725 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	8725 3550 8725 3650
Text GLabel 7950 3500 0    50   Input ~ 0
LED_ALERT
Wire Wire Line
	7350 4175 7350 4325
Wire Wire Line
	7350 3975 7350 3850
Wire Wire Line
	7350 3500 7350 3650
Wire Wire Line
	7225 3500 7350 3500
$Comp
L Device:R_Small R3
U 1 1 6264ACA6
P 7350 4075
F 0 "R3" H 7291 4029 50  0000 R CNN
F 1 "1.8k" H 7291 4120 50  0000 R CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" H 7350 4075 50  0001 C CNN
F 3 "~" H 7350 4075 50  0001 C CNN
	1    7350 4075
	-1   0    0    1   
$EndComp
Text GLabel 7225 3500 0    50   Input ~ 0
HEARTBEAT_LED
$Comp
L Device:LED_Small HB1
U 1 1 6264ACAD
P 7350 3750
F 0 "HB1" V 7396 3680 50  0000 R CNN
F 1 "HEARTBEAT" V 7305 3680 50  0000 R CNN
F 2 "LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder" V 7350 3750 50  0001 C CNN
F 3 "~" V 7350 3750 50  0001 C CNN
	1    7350 3750
	0    -1   -1   0   
$EndComp
Wire Notes Line
	6550 4825 9050 4825
Wire Notes Line
	9050 4825 9050 3025
Wire Notes Line
	6550 3025 9050 3025
Wire Notes Line
	11200 5075 11200 2875
NoConn ~ 2250 7300
Text GLabel 2750 5900 1    50   Input ~ 0
FT
Text GLabel 2650 5900 1    50   Input ~ 0
PB_13BOOT
NoConn ~ 2550 7300
Text GLabel 2250 5900 1    50   Input ~ 0
LED_ALERT
Text GLabel 3250 6900 2    50   Input ~ 0
RF_ANTENNA
NoConn ~ 2750 7300
NoConn ~ 3250 6400
NoConn ~ 3250 6300
NoConn ~ 2550 5900
NoConn ~ 2450 5900
Text GLabel 3250 6700 2    50   Input ~ 0
RST
Wire Wire Line
	1175 6150 1175 6300
Connection ~ 1100 6150
Wire Wire Line
	1175 6150 1100 6150
Wire Wire Line
	1100 6150 1100 6000
Wire Wire Line
	1025 6150 1100 6150
Wire Wire Line
	1025 6300 1025 6150
$Comp
L power:+3V3 #PWR0114
U 1 1 617B27BA
P 1100 6000
F 0 "#PWR0114" H 1100 5850 50  0001 C CNN
F 1 "+3V3" H 1115 6173 50  0000 C CNN
F 2 "" H 1100 6000 50  0001 C CNN
F 3 "" H 1100 6000 50  0001 C CNN
	1    1100 6000
	1    0    0    -1  
$EndComp
Wire Wire Line
	1175 6500 1175 6800
Wire Wire Line
	925  6700 1025 6700
Wire Wire Line
	1025 6500 1025 6700
$Comp
L Device:R_Small R2
U 1 1 617AAB6E
P 1175 6400
F 0 "R2" H 1234 6446 50  0000 L CNN
F 1 "4.7k" H 1234 6355 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" H 1175 6400 50  0001 C CNN
F 3 "~" H 1175 6400 50  0001 C CNN
	1    1175 6400
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R1
U 1 1 617A9750
P 1025 6400
F 0 "R1" H 800 6450 50  0000 L CNN
F 1 "4.7k" H 800 6350 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" H 1025 6400 50  0001 C CNN
F 3 "~" H 1025 6400 50  0001 C CNN
	1    1025 6400
	1    0    0    -1  
$EndComp
Text GLabel 2350 5900 1    50   Input ~ 0
HEARTBEAT_LED
Text GLabel 1850 6900 0    50   Input ~ 0
ADC_IN3
Text GLabel 3250 6500 2    50   Input ~ 0
USART2_TX
Text GLabel 3250 6600 2    50   Input ~ 0
USART2_RX
Text GLabel 925  6700 0    50   Input ~ 0
I2C_SCL
Text GLabel 1850 6600 0    50   Input ~ 0
SWCLK
Text GLabel 1850 6500 0    50   Input ~ 0
SWDIO
Text GLabel 2450 7300 3    50   Input ~ 0
UART1_TX
Text GLabel 2350 7300 3    50   Input ~ 0
UART1_RX
Wire Wire Line
	925  6800 1175 6800
Text GLabel 925  6800 0    50   Input ~ 0
I2C_SDA
$Comp
L power:GND #PWR0109
U 1 1 6178EA2E
P 2850 5900
F 0 "#PWR0109" H 2850 5650 50  0001 C CNN
F 1 "GND" H 2855 5727 50  0000 C CNN
F 2 "" H 2850 5900 50  0001 C CNN
F 3 "" H 2850 5900 50  0001 C CNN
	1    2850 5900
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 6178DE35
P 2850 7300
F 0 "#PWR0108" H 2850 7050 50  0001 C CNN
F 1 "GND" H 2855 7127 50  0000 C CNN
F 2 "" H 2850 7300 50  0001 C CNN
F 3 "" H 2850 7300 50  0001 C CNN
	1    2850 7300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 6178D5DB
P 3250 6800
F 0 "#PWR0107" H 3250 6550 50  0001 C CNN
F 1 "GND" V 3250 6625 50  0000 C CNN
F 2 "" H 3250 6800 50  0001 C CNN
F 3 "" H 3250 6800 50  0001 C CNN
	1    3250 6800
	0    -1   -1   0   
$EndComp
Wire Wire Line
	1600 6300 1850 6300
Wire Wire Line
	1600 6000 1600 6300
$Comp
L power:+3V3 #PWR0105
U 1 1 6178B8B9
P 1600 6000
F 0 "#PWR0105" H 1600 5850 50  0001 C CNN
F 1 "+3V3" H 1615 6173 50  0000 C CNN
F 2 "" H 1600 6000 50  0001 C CNN
F 3 "" H 1600 6000 50  0001 C CNN
	1    1600 6000
	1    0    0    -1  
$EndComp
$Comp
L LoRa-E5:LoRa-E5 U1
U 1 1 6164AFD9
P 2550 6600
F 0 "U1" H 1625 7700 50  0000 L CNN
F 1 "LoRa-E5" H 1625 7625 50  0000 L CNN
F 2 "mmilibrary:LoRa-E5" H 2550 6600 50  0001 C CNN
F 3 "" H 2550 6600 50  0001 C CNN
	1    2550 6600
	1    0    0    -1  
$EndComp
Wire Notes Line
	7600 5100 7600 6500
Wire Notes Line
	7600 6500 11175 6500
Wire Notes Line
	11175 6500 11175 5100
Wire Notes Line
	11175 5100 7600 5100
NoConn ~ 2650 7300
$Comp
L power:GND #PWR0106
U 1 1 6178CC13
P 1850 6400
F 0 "#PWR0106" H 1850 6150 50  0001 C CNN
F 1 "GND" V 1855 6272 50  0000 R CNN
F 2 "" H 1850 6400 50  0001 C CNN
F 3 "" H 1850 6400 50  0001 C CNN
	1    1850 6400
	0    1    1    0   
$EndComp
Wire Wire Line
	1850 6700 1025 6700
Connection ~ 1025 6700
Wire Wire Line
	1175 6800 1850 6800
Connection ~ 1175 6800
Wire Notes Line
	600  7750 4050 7750
Wire Notes Line
	4050 7750 4050 5175
Wire Notes Line
	4050 5175 600  5175
Wire Notes Line
	600  5175 600  7750
Text Notes 825  5300 0    50   ~ 0
LORA-E5 SEED
Text Notes 825  5425 0    50   ~ 0
MCU SECTION
$Comp
L sma:RF2-03E-T-00-50-G J2
U 1 1 62282F6C
P 9600 5675
F 0 "J2" H 10128 5728 60  0000 L CNN
F 1 "RF2-03E-T-00-50-G" H 10128 5622 60  0000 L CNN
F 2 "123:RF2-03E-T-00-50-G" H 10000 5615 60  0001 C CNN
F 3 "" H 9600 5675 60  0000 C CNN
	1    9600 5675
	1    0    0    -1  
$EndComp
Wire Wire Line
	8100 5675 8500 5675
$Comp
L Device:C_Small C7
U 1 1 622C1465
P 8500 5775
F 0 "C7" H 8592 5821 50  0000 L CNN
F 1 "C_Small" H 8592 5730 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 8500 5775 50  0001 C CNN
F 3 "~" H 8500 5775 50  0001 C CNN
	1    8500 5775
	1    0    0    -1  
$EndComp
$Comp
L Device:L_Small L1
U 1 1 622C7EF6
P 8900 5675
F 0 "L1" V 9085 5675 50  0000 C CNN
F 1 "L_Small" V 8994 5675 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 8900 5675 50  0001 C CNN
F 3 "~" H 8900 5675 50  0001 C CNN
	1    8900 5675
	0    -1   -1   0   
$EndComp
$Comp
L Device:C_Small C8
U 1 1 622C96D4
P 9275 5775
F 0 "C8" H 9367 5821 50  0000 L CNN
F 1 "C_Small" H 9367 5730 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" H 9275 5775 50  0001 C CNN
F 3 "~" H 9275 5775 50  0001 C CNN
	1    9275 5775
	1    0    0    -1  
$EndComp
Wire Wire Line
	8500 5675 8800 5675
Connection ~ 8500 5675
Wire Wire Line
	9000 5675 9275 5675
Wire Wire Line
	9275 5675 9600 5675
Connection ~ 9275 5675
$Comp
L power:GND #PWR06
U 1 1 622E699B
P 8500 6000
F 0 "#PWR06" H 8500 5750 50  0001 C CNN
F 1 "GND" H 8505 5827 50  0000 C CNN
F 2 "" H 8500 6000 50  0001 C CNN
F 3 "" H 8500 6000 50  0001 C CNN
	1    8500 6000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR07
U 1 1 622E7564
P 9275 6000
F 0 "#PWR07" H 9275 5750 50  0001 C CNN
F 1 "GND" H 9280 5827 50  0000 C CNN
F 2 "" H 9275 6000 50  0001 C CNN
F 3 "" H 9275 6000 50  0001 C CNN
	1    9275 6000
	1    0    0    -1  
$EndComp
Wire Wire Line
	8500 5875 8500 6000
Wire Wire Line
	9275 5875 9275 6000
$Comp
L Connector:TestPoint_Small GND2
U 1 1 623098F9
P 5500 4600
F 0 "GND2" V 5675 4500 50  0000 L CNN
F 1 "GND" V 5600 4525 50  0000 L CNN
F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 5700 4600 50  0001 C CNN
F 3 "~" H 5700 4600 50  0001 C CNN
	1    5500 4600
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR09
U 1 1 623098FF
P 5600 4600
F 0 "#PWR09" H 5600 4350 50  0001 C CNN
F 1 "GND" V 5605 4472 50  0000 R CNN
F 2 "" H 5600 4600 50  0001 C CNN
F 3 "" H 5600 4600 50  0001 C CNN
	1    5600 4600
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5500 4600 5600 4600
$EndSCHEMATC