LoRaNode.sch

EESchema Schematic File Version 5
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 5
Title "Lora - RS485 bridge"
Date "2020-01-17"
Rev "1.2"
Comp "Albertas Mickenas"
Comment1 "albertas@technarium.lt"
Comment2 ""
Comment3 ""
Comment4 ""
Comment5 ""
Comment6 ""
Comment7 ""
Comment8 ""
Comment9 ""
$EndDescr
Text Label 1950 4475 0    50   ~ 0
SWD_IO
Wire Wire Line
	1950 4575 2400 4575
Wire Wire Line
	2400 4275 2400 4250
Text Label 1950 4575 0    50   ~ 0
SWD_CLK
$Comp
L Device:R R25
U 1 1 5E1E0948
P 2400 4425
F 0 "R25" H 2470 4471 50  0000 L CNN
F 1 "1k" H 2470 4380 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 2330 4425 50  0001 C CNN
F 3 "~" H 2400 4425 50  0001 C CNN
	1    2400 4425
	1    0    0    -1  
$EndComp
Connection ~ 3565 2921
Wire Wire Line
	3865 2921 4590 2921
Connection ~ 3865 2921
Wire Wire Line
	4275 3125 4875 3125
$Comp
L Device:Crystal Y1
U 1 1 5D83B949
P 3715 2921
F 0 "Y1" H 3715 2653 50  0000 C CNN
F 1 "32.768" H 3715 2744 50  0000 C CNN
F 2 "Crystals:Crystal_SMD_3215-2pin_3.2x1.5mm" H 3715 2921 50  0001 C CNN
F 3 "~" H 3715 2921 50  0001 C CNN
F 4 "FC-135 32.7680KA-A5" H 3715 2921 50  0001 C CNN "PartNo"
F 5 "EPSON" H 3715 2921 50  0001 C CNN "Manufacturer"
	1    3715 2921
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0118
U 1 1 5D83D8C6
P 3565 3221
F 0 "#PWR0118" H 3565 2971 50  0001 C CNN
F 1 "GND" H 3570 3048 50  0000 C CNN
F 2 "" H 3565 3221 50  0001 C CNN
F 3 "" H 3565 3221 50  0001 C CNN
	1    3565 3221
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0117
U 1 1 5D83DD78
P 3865 3221
F 0 "#PWR0117" H 3865 2971 50  0001 C CNN
F 1 "GND" H 3870 3048 50  0000 C CNN
F 2 "" H 3865 3221 50  0001 C CNN
F 3 "" H 3865 3221 50  0001 C CNN
	1    3865 3221
	1    0    0    -1  
$EndComp
Text Label 4875 3025 2    50   ~ 0
BATT_MON
Text Label 4875 3825 2    50   ~ 0
~RS485_RE
Text Label 4875 3625 2    50   ~ 0
RFM_RST
Text Label 4875 3525 2    50   ~ 0
DIO01
Text Label 4875 3725 2    50   ~ 0
RFM_IRQ
Wire Wire Line
	4500 2225 4800 2225
Connection ~ 4800 2225
Text Label 4875 4025 2    50   ~ 0
RFM_MISO
Text Label 4875 4225 2    50   ~ 0
RS485_ENABLE
Text Label 4875 5025 2    50   ~ 0
I2C_SDA
Text Label 4875 4325 2    50   ~ 0
~I2C_ENABLE
Text Label 4875 5125 2    50   ~ 0
I2C_SCL
$Comp
L MCU_Microchip_SAMD:ATSAMD21G18A-AUT U2
U 1 1 5D82085E
P 5875 4425
F 0 "U2" H 6225 6200 50  0000 C CNN
F 1 "ATSAMD21G18A-AUT" H 5875 4550 50  0000 C CNN
F 2 "Package_QFP:TQFP-48_7x7mm_P0.5mm" H 4925 2675 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/SAMD21-Family-DataSheet-DS40001882D.pdf" H 5875 5425 50  0001 C CNN
F 4 "ATSAMD21G18A-AUT" H 5875 4425 50  0001 C CNN "PartNo"
F 5 "Microchip" H 5875 4425 50  0001 C CNN "Manufacturer"
	1    5875 4425
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0119
U 1 1 5D844F5F
P 4275 3425
F 0 "#PWR0119" H 4275 3175 50  0001 C CNN
F 1 "GND" H 4280 3252 50  0000 C CNN
F 2 "" H 4275 3425 50  0001 C CNN
F 3 "" H 4275 3425 50  0001 C CNN
	1    4275 3425
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4590 2821 4875 2825
Wire Wire Line
	3675 1150 3850 1150
Wire Wire Line
	5400 2225 5100 2225
Wire Wire Line
	5100 1925 5400 1925
Wire Wire Line
	3675 1325 3850 1325
$Comp
L Device:C C14
U 1 1 5D88984C
P 4500 2075
F 0 "C14" H 4615 2121 50  0000 L CNN
F 1 "1u" H 4615 2030 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4538 1925 50  0001 C CNN
F 3 "~" H 4500 2075 50  0001 C CNN
	1    4500 2075
	1    0    0    -1  
$EndComp
$Comp
L Device:C C5
U 1 1 5D8367F2
P 4800 2075
F 0 "C5" H 4915 2121 50  0000 L CNN
F 1 "1u" H 4915 2030 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4838 1925 50  0001 C CNN
F 3 "~" H 4800 2075 50  0001 C CNN
	1    4800 2075
	1    0    0    -1  
$EndComp
$Comp
L Device:C C6
U 1 1 5D83763C
P 5100 2075
F 0 "C6" H 5215 2121 50  0000 L CNN
F 1 "1u" H 5215 2030 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5138 1925 50  0001 C CNN
F 3 "~" H 5100 2075 50  0001 C CNN
	1    5100 2075
	1    0    0    -1  
$EndComp
Wire Wire Line
	3250 6125 3250 5925
Connection ~ 3250 6125
$Comp
L Switch:SW_Push_Dual SW2
U 1 1 5D87FAA0
P 3450 5925
F 0 "SW2" H 3450 6210 50  0000 C CNN
F 1 "SW_Reset" H 3450 6119 50  0000 C CNN
F 2 "Button_Switch_SMD:SW_Push_1P1T_NO_6x6mm_H9.5mm" H 3450 6125 50  0001 C CNN
F 3 "~" H 3450 6125 50  0001 C CNN
	1    3450 5925
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0128
U 1 1 5D87EB1B
P 4125 5625
F 0 "#PWR0128" H 4125 5475 50  0001 C CNN
F 1 "+3V3" H 4140 5798 50  0000 C CNN
F 2 "" H 4125 5625 50  0001 C CNN
F 3 "" H 4125 5625 50  0001 C CNN
	1    4125 5625
	1    0    0    -1  
$EndComp
Wire Wire Line
	4590 2921 4875 2925
Text Label 4875 3125 2    50   ~ 0
MCU_AREF
Text Label 4875 3425 2    50   ~ 0
RFM_NSS
Text Label 4875 3325 2    50   ~ 0
LED2
Text Label 4875 3225 2    50   ~ 0
LED1
Text Label 4875 3925 2    50   ~ 0
RS485_DE
Text Label 6875 3425 0    50   ~ 0
TX
Text Label 6875 3525 0    50   ~ 0
RX
Text Label 6875 3325 0    50   ~ 0
RFM_SCK
Wire Wire Line
	4125 5925 4875 5925
Wire Wire Line
	3650 5925 4125 5925
Connection ~ 4125 5925
$Comp
L Device:C C3
U 1 1 5D87EE5C
P 4125 6075
F 0 "C3" H 4240 6121 50  0000 L CNN
F 1 "1u" H 4240 6030 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4163 5925 50  0001 C CNN
F 3 "~" H 4125 6075 50  0001 C CNN
	1    4125 6075
	1    0    0    -1  
$EndComp
$Comp
L Device:R R1
U 1 1 5D87E85D
P 4125 5775
F 0 "R1" H 4195 5821 50  0000 L CNN
F 1 "1k" H 4195 5730 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 4055 5775 50  0001 C CNN
F 3 "~" H 4125 5775 50  0001 C CNN
	1    4125 5775
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0129
U 1 1 5D87F278
P 4125 6225
F 0 "#PWR0129" H 4125 5975 50  0001 C CNN
F 1 "GND" H 4130 6052 50  0000 C CNN
F 2 "" H 4125 6225 50  0001 C CNN
F 3 "" H 4125 6225 50  0001 C CNN
	1    4125 6225
	-1   0    0    -1  
$EndComp
Text Label 4875 5725 2    50   ~ 0
SWD_IO
Text Label 4875 5625 2    50   ~ 0
SWD_CLK
Text Label 4875 5325 2    50   ~ 0
D+
Text Label 4875 5225 2    50   ~ 0
D-
Text Label 4875 5925 2    50   ~ 0
~MCU_RST
$Comp
L Device:LED D8
U 1 1 5D88B948
P 5825 7500
F 0 "D8" H 5825 7400 50  0000 C CNN
F 1 "LED" H 5818 7336 50  0001 C CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 5825 7500 50  0001 C CNN
F 3 "~" H 5825 7500 50  0001 C CNN
	1    5825 7500
	-1   0    0    1   
$EndComp
$Comp
L Device:R R13
U 1 1 5D88D1F7
P 5525 6925
F 0 "R13" H 5595 6971 50  0000 L CNN
F 1 "1k" H 5595 6880 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 5455 6925 50  0001 C CNN
F 3 "~" H 5525 6925 50  0001 C CNN
	1    5525 6925
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R14
U 1 1 5D88DC75
P 5525 7200
F 0 "R14" H 5595 7246 50  0000 L CNN
F 1 "1k" H 5595 7155 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 5455 7200 50  0001 C CNN
F 3 "~" H 5525 7200 50  0001 C CNN
	1    5525 7200
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R15
U 1 1 5D88E64B
P 5525 7500
F 0 "R15" H 5595 7546 50  0000 L CNN
F 1 "1k" H 5595 7455 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 5455 7500 50  0001 C CNN
F 3 "~" H 5525 7500 50  0001 C CNN
	1    5525 7500
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0135
U 1 1 5D88BD34
P 5975 7500
F 0 "#PWR0135" H 5975 7250 50  0001 C CNN
F 1 "GND" H 5980 7327 50  0000 C CNN
F 2 "" H 5975 7500 50  0001 C CNN
F 3 "" H 5975 7500 50  0001 C CNN
	1    5975 7500
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3650 5925 3650 6125
Connection ~ 3650 5925
$Comp
L Connector:Conn_01x06_Female J5
U 1 1 5C0534AC
P 1750 4575
F 0 "J5" H 1750 4900 50  0000 C CNN
F 1 "SWD" H 1875 4575 50  0000 C CNN
F 2 "miceuz-lib:TC2030-MCP-NL" H 1750 4575 50  0001 C CNN
F 3 "~" H 1750 4575 50  0001 C CNN
F 4 "DNP" H -150 -6875 50  0001 C CNN "DNP"
	1    1750 4575
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0130
U 1 1 5D881E9C
P 3250 6125
F 0 "#PWR0130" H 3250 5875 50  0001 C CNN
F 1 "GND" H 3255 5952 50  0000 C CNN
F 2 "" H 3250 6125 50  0001 C CNN
F 3 "" H 3250 6125 50  0001 C CNN
	1    3250 6125
	-1   0    0    -1  
$EndComp
Text Label 6875 3225 0    50   ~ 0
RFM_MOSI
Connection ~ 7425 3025
Text Label 6875 3125 0    50   ~ 0
LED3
Wire Wire Line
	6875 3025 7425 3025
Wire Wire Line
	7425 2825 7425 3025
$Comp
L Switch:SW_Push_Dual SW1
U 1 1 5D8835BD
P 7625 2825
F 0 "SW1" H 7625 3110 50  0000 C CNN
F 1 "SW_Test" H 7625 3019 50  0000 C CNN
F 2 "Button_Switch_SMD:SW_Push_1P1T_NO_6x6mm_H9.5mm" H 7625 3025 50  0001 C CNN
F 3 "~" H 7625 3025 50  0001 C CNN
	1    7625 2825
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0131
U 1 1 5D8835AF
P 7825 3025
F 0 "#PWR0131" H 7825 2775 50  0001 C CNN
F 1 "GND" H 7830 2852 50  0000 C CNN
F 2 "" H 7825 3025 50  0001 C CNN
F 3 "" H 7825 3025 50  0001 C CNN
	1    7825 3025
	1    0    0    -1  
$EndComp
Connection ~ 5775 1925
Connection ~ 5775 2525
Wire Wire Line
	5775 2525 5675 2525
Wire Wire Line
	5975 2525 5775 2525
Wire Wire Line
	5775 1925 5775 2525
Wire Wire Line
	6075 2525 6075 1950
Wire Wire Line
	6075 1950 6275 1950
$Comp
L Device:C C8
U 1 1 5D8376B9
P 5400 2075
F 0 "C8" H 5515 2121 50  0000 L CNN
F 1 "1u" H 5515 2030 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5438 1925 50  0001 C CNN
F 3 "~" H 5400 2075 50  0001 C CNN
	1    5400 2075
	1    0    0    -1  
$EndComp
Wire Wire Line
	7825 3025 7825 2825
Text Label 8775 1900 2    50   ~ 0
RFM_MISO
Text Label 8775 2200 2    50   ~ 0
RFM_RST
Text Label 8775 2000 2    50   ~ 0
RFM_NSS
Connection ~ 7825 3025
$Comp
L Device:R R17
U 1 1 5DC0D0CC
P 8900 2500
F 0 "R17" H 8775 2500 50  0000 C CNN
F 1 "1M" V 8900 2500 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 8830 2500 50  0001 C CNN
F 3 "~" H 8900 2500 50  0001 C CNN
	1    8900 2500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0136
U 1 1 5E20A844
P 8900 2650
F 0 "#PWR0136" H 8900 2400 50  0001 C CNN
F 1 "GND" H 8905 2477 50  0000 C CNN
F 2 "" H 8900 2650 50  0001 C CNN
F 3 "" H 8900 2650 50  0001 C CNN
	1    8900 2650
	1    0    0    -1  
$EndComp
Connection ~ 5400 1925
Wire Wire Line
	5400 1925 5775 1925
$Comp
L Device:C C9
U 1 1 5D839357
P 6275 2100
F 0 "C9" H 6390 2146 50  0000 L CNN
F 1 "1u" H 6390 2055 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 6313 1950 50  0001 C CNN
F 3 "~" H 6275 2100 50  0001 C CNN
	1    6275 2100
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0113
U 1 1 5D8367D6
P 5775 1925
F 0 "#PWR0113" H 5775 1775 50  0001 C CNN
F 1 "+3V3" H 5790 2098 50  0000 C CNN
F 2 "" H 5775 1925 50  0001 C CNN
F 3 "" H 5775 1925 50  0001 C CNN
	1    5775 1925
	1    0    0    -1  
$EndComp
Connection ~ 9000 2000
Connection ~ 9600 2600
Wire Wire Line
	9600 2600 9700 2600
Wire Wire Line
	9500 2600 9600 2600
$Comp
L power:GND #PWR0110
U 1 1 5D822D52
P 9600 2600
F 0 "#PWR0110" H 9600 2350 50  0001 C CNN
F 1 "GND" H 9605 2427 50  0000 C CNN
F 2 "" H 9600 2600 50  0001 C CNN
F 3 "" H 9600 2600 50  0001 C CNN
	1    9600 2600
	1    0    0    -1  
$EndComp
Wire Wire Line
	9000 925  9000 1350
Wire Wire Line
	9375 925  9000 925 
$Comp
L Device:R R19
U 1 1 5DC0A94F
P 9000 1500
F 0 "R19" H 8875 1500 50  0000 C CNN
F 1 "1M" V 9000 1500 50  0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 8930 1500 50  0001 C CNN
F 3 "~" H 9000 1500 50  0001 C CNN
	1    9000 1500
	1    0    0    -1  
$EndComp
$Comp
L RF_Module:RFM95W-868S2 U3
U 1 1 5D82CC67
P 9600 2000
F 0 "U3" H 9250 2450 50  0000 C CNN
F 1 "RFM95W-868S2" H 9975 2475 50  0000 C CNN
F 2 "miceuz-lib:RFM95" H 6300 3650 50  0001 C CNN
F 3 "https://www.hoperf.com/data/upload/portal/20181127/5bfcbea20e9ef.pdf" H 6300 3650 50  0001 C CNN
F 4 "RFM95W-868S2" H 9600 2000 50  0001 C CNN "PartNo"
F 5 "HopeRF" H 9600 2000 50  0001 C CNN "Manufacturer"
	1    9600 2000
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0111
U 1 1 5D830AB8
P 9600 925
F 0 "#PWR0111" H 9600 775 50  0001 C CNN
F 1 "+3V3" H 9615 1098 50  0000 C CNN
F 2 "" H 9600 925 50  0001 C CNN
F 3 "" H 9600 925 50  0001 C CNN
	1    9600 925 
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 5D832E59
P 9375 1225
F 0 "#PWR0112" H 9375 975 50  0001 C CNN
F 1 "GND" H 9380 1052 50  0000 C CNN
F 2 "" H 9375 1225 50  0001 C CNN
F 3 "" H 9375 1225 50  0001 C CNN
	1    9375 1225
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0115
U 1 1 5D839934
P 6275 2250
F 0 "#PWR0115" H 6275 2000 50  0001 C CNN
F 1 "GND" H 6280 2077 50  0000 C CNN
F 2 "" H 6275 2250 50  0001 C CNN
F 3 "" H 6275 2250 50  0001 C CNN
	1    6275 2250
	1    0    0    -1  
$EndComp
Connection ~ 9600 925 
Wire Wire Line
	9600 925  9375 925 
Connection ~ 9375 925 
Wire Wire Line
	9600 925  9600 1500
$Comp
L Device:C C10
U 1 1 5D880D1D
P 9375 1075
F 0 "C10" H 9260 1121 50  0000 R CNN
F 1 "4.7u" H 9260 1030 50  0000 R CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9413 925 50  0001 C CNN
F 3 "~" H 9375 1075 50  0001 C CNN
F 4 "C1608X5R1C475K080AE" H 9375 1075 50  0001 C CNN "PartNo"
F 5 "TDK" H 9375 1075 50  0001 C CNN "Manufacturer"
	1    9375 1075
	1    0    0    -1  
$EndComp
Text Label 8775 1700 2    50   ~ 0
RFM_SCK
Text Label 8775 1800 2    50   ~ 0
RFM_MOSI
Wire Wire Line
	9000 1650 9000 2000
Wire Wire Line
	8775 2000 9000 2000
Connection ~ 8900 1900
Wire Wire Line
	8900 1900 8900 2350
Wire Wire Line
	8775 2200 9100 2200
Wire Wire Line
	8775 1900 8900 1900
Wire Wire Line
	8775 1700 9100 1700
Wire Wire Line
	8775 1800 9100 1800
Wire Wire Line
	8900 1900 9100 1900
Wire Wire Line
	9000 2000 9100 2000
Wire Wire Line
	10100 2400 10325 2400
Text Label 10325 2200 0    50   ~ 0
DIO02
Wire Wire Line
	10100 2300 10325 2300
Text Label 10325 2300 0    50   ~ 0
DIO01
Text Label 10325 2400 0    50   ~ 0
RFM_IRQ
Connection ~ 9950 4425
Connection ~ 10100 3750
Wire Wire Line
	9950 4425 9950 3450
Wire Wire Line
	9950 3450 10100 3450
Connection ~ 10100 4050
$Comp
L Device:R R11
U 1 1 5D8CED02
P 10100 3600
F 0 "R11" H 10170 3646 50  0000 L CNN
F 1 "20k" H 10170 3555 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 10030 3600 50  0001 C CNN
F 3 "~" H 10100 3600 50  0001 C CNN
	1    10100 3600
	1    0    0    -1  
$EndComp
$Comp
L Device:R R12
U 1 1 5D8D1B0F
P 10100 3900
F 0 "R12" H 10170 3946 50  0000 L CNN
F 1 "10k" H 10170 3855 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 10030 3900 50  0001 C CNN
F 3 "~" H 10100 3900 50  0001 C CNN
	1    10100 3900
	1    0    0    1   
$EndComp
$Comp
L power:GND #PWR0132
U 1 1 5D8CED25
P 10100 4050
F 0 "#PWR0132" H 10100 3800 50  0001 C CNN
F 1 "GND" H 10105 3877 50  0000 C CNN
F 2 "" H 10100 4050 50  0001 C CNN
F 3 "" H 10100 4050 50  0001 C CNN
	1    10100 4050
	-1   0    0    -1  
$EndComp
Text Label 10425 3750 0    50   ~ 0
BATT_MON
Wire Wire Line
	10100 3750 10425 3750
Text Notes 12175 3600 2    50   ~ 0
TODO: batt monitoring is for 6V batteries only
Wire Wire Line
	10425 4050 10100 4050
$Comp
L Device:C C13
U 1 1 5D8CED13
P 10425 3900
F 0 "C13" H 10540 3946 50  0000 L CNN
F 1 "1u" H 10540 3855 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 10463 3750 50  0001 C CNN
F 3 "~" H 10425 3900 50  0001 C CNN
	1    10425 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	10100 2200 10325 2200
Text Label 10125 1700 0    50   ~ 0
ANTENNA
Wire Wire Line
	10100 1700 10425 1700
$Comp
L Connector:Conn_01x02_Male J2
U 1 1 5D83A63A
P 10625 1700
F 0 "J2" H 10597 1582 50  0000 R CNN
F 1 "ANT" H 10597 1673 50  0000 R CNN
F 2 "miceuz-lib:SMA_6.35_EdgeMount" H 10625 1700 50  0001 C CNN
F 3 "~" H 10625 1700 50  0001 C CNN
F 4 "CON-SMA-EDGE-S" H 10625 1700 50  0001 C CNN "PartNo"
F 5 "RF Solutions" H 10625 1700 50  0001 C CNN "Manufacturer"
F 6 "Can be replaced with compatible footprint connector specified up to 3GHz, VSWR < 1.2" H 10625 1700 50  0001 C CNN "Comment"
	1    10625 1700
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0116
U 1 1 5D83ADEE
P 10425 1800
F 0 "#PWR0116" H 10425 1550 50  0001 C CNN
F 1 "GND" H 10430 1627 50  0000 C CNN
F 2 "" H 10425 1800 50  0001 C CNN
F 3 "" H 10425 1800 50  0001 C CNN
	1    10425 1800
	1    0    0    -1  
$EndComp
Wire Wire Line
	9700 4525 10125 4525
Wire Wire Line
	9950 4425 10125 4425
$Comp
L Connector:Conn_01x04_Male J3
U 1 1 5D84BC6F
P 10275 5900
F 0 "J3" H 10247 5782 50  0000 R CNN
F 1 "i2c" H 10247 5873 50  0000 R CNN
F 2 "TerminalBlock_MetzConnect:TerminalBlock_MetzConnect_Type101_RT01604HBWC_Pitch5.08mm" H 10275 5900 50  0001 C CNN
F 3 "~" H 10275 5900 50  0001 C CNN
	1    10275 5900
	-1   0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x04_Male J4
U 1 1 5D82A501
P 10325 4525
F 0 "J4" H 10297 4407 50  0000 R CNN
F 1 "rs485" H 10297 4498 50  0000 R CNN
F 2 "TerminalBlock_MetzConnect:TerminalBlock_MetzConnect_Type101_RT01604HBWC_Pitch5.08mm" H 10325 4525 50  0001 C CNN
F 3 "~" H 10325 4525 50  0001 C CNN
	1    10325 4525
	-1   0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0106
U 1 1 5D829063
P 8600 4350
F 0 "#PWR0106" H 8600 4200 50  0001 C CNN
F 1 "+3V3" H 8615 4523 50  0000 C CNN
F 2 "" H 8600 4350 50  0001 C CNN
F 3 "" H 8600 4350 50  0001 C CNN
	1    8600 4350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 5D82BCA8
P 10125 4725
F 0 "#PWR0107" H 10125 4475 50  0001 C CNN
F 1 "GND" H 10130 4552 50  0000 C CNN
F 2 "" H 10125 4725 50  0001 C CNN
F 3 "" H 10125 4725 50  0001 C CNN
	1    10125 4725
	1    0    0    -1  
$EndComp
Wire Wire Line
	8350 4350 8350 4450
Wire Wire Line
	8600 4350 8700 4350
Text Label 8700 4725 2    50   ~ 0
TX
Wire Wire Line
	8350 4450 8700 4450
Text Label 8700 4600 2    50   ~ 0
RS485_ENABLE
$Comp
L power:+BATT #PWR0108
U 1 1 5D82C3B1
P 8350 4350
F 0 "#PWR0108" H 8350 4200 50  0001 C CNN
F 1 "+BATT" H 8365 4523 50  0000 C CNN
F 2 "" H 8350 4350 50  0001 C CNN
F 3 "" H 8350 4350 50  0001 C CNN
	1    8350 4350
	1    0    0    -1  
$EndComp
Text Label 5375 7200 2    50   ~ 0
LED2
Text Label 5375 7500 2    50   ~ 0
LED3
Connection ~ 5975 7500
Wire Wire Line
	5975 7500 5975 7200
Text Label 8700 4925 2    50   ~ 0
RS485_DE
Text Label 8700 5025 2    50   ~ 0
~RS485_RE
Wire Wire Line
	9700 4425 9950 4425
Text Label 8700 4825 2    50   ~ 0
RX
$Sheet
S 8700 4250 1000 925 
U 5D825820
F0 "RS485-interface" 50
F1 "rs485-interface.sch" 50
F2 "A" I R 9700 4525 50 
F3 "B" I R 9700 4625 50 
F4 "VIN" I L 8700 4350 50 
F5 "GND" I L 8700 5125 50 
F6 "DI" I L 8700 4725 50 
F7 "RO" I L 8700 4825 50 
F8 "DE" I L 8700 4925 50 
F9 "~RE" I L 8700 5025 50 
F10 "ENABLE" I L 8700 4600 50 
F11 "VOUT" I R 9700 4425 50 
F12 "BATT" I L 8700 4450 50 
$EndSheet
Wire Wire Line
	8575 5125 8700 5125
Text Label 9750 6000 0    50   ~ 0
I2C_SCL
Text Label 9750 5900 0    50   ~ 0
I2C_SDA
$Sheet
S 8700 5675 1000 725 
U 5D84B44C
F0 "I2C-interface" 50
F1 "i2c-interface.sch" 50
F2 "VIN" I L 8700 5750 50 
F3 "VOUT" I R 9700 5750 50 
F4 "~ENABLE" I L 8700 6100 50 
F5 "SCL" I R 9700 6000 50 
F6 "SDA" I R 9700 5900 50 
F7 "GND" I L 8700 6300 50 
$EndSheet
Text Label 8700 6100 2    50   ~ 0
~I2C_ENABLE
$Comp
L power:+3V3 #PWR0121
U 1 1 5D84DD26
P 8575 5750
F 0 "#PWR0121" H 8575 5600 50  0001 C CNN
F 1 "+3V3" H 8590 5923 50  0000 C CNN
F 2 "" H 8575 5750 50  0001 C CNN
F 3 "" H 8575 5750 50  0001 C CNN
	1    8575 5750
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR01
U 1 1 5DAFB4A2
P 8550 6300
F 0 "#PWR01" H 8550 6050 50  0001 C CNN
F 1 "GND" H 8555 6127 50  0000 C CNN
F 2 "" H 8550 6300 50  0001 C CNN
F 3 "" H 8550 6300 50  0001 C CNN
	1    8550 6300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 5D82C7C0
P 8575 5125
F 0 "#PWR0109" H 8575 4875 50  0001 C CNN
F 1 "GND" H 8580 4952 50  0000 C CNN
F 2 "" H 8575 5125 50  0001 C CNN
F 3 "" H 8575 5125 50  0001 C CNN
	1    8575 5125
	1    0    0    -1  
$EndComp
Wire Wire Line
	8575 5750 8700 5750
Wire Wire Line
	8550 6300 8700 6300
Wire Wire Line
	9700 5750 10075 5750
Wire Wire Line
	9700 4625 10125 4625
Wire Wire Line
	9700 6000 10075 6000
Wire Wire Line
	10075 5750 10075 5800
Wire Wire Line
	9700 5900 10075 5900
$Comp
L power:GND #PWR0120
U 1 1 5D84D8CA
P 10075 6100
F 0 "#PWR0120" H 10075 5850 50  0001 C CNN
F 1 "GND" H 10080 5927 50  0000 C CNN
F 2 "" H 10075 6100 50  0001 C CNN
F 3 "" H 10075 6100 50  0001 C CNN
	1    10075 6100
	1    0    0    -1  
$EndComp
Connection ~ 5975 7200
Text Label 5375 6925 2    50   ~ 0
LED1
Wire Wire Line
	5975 7200 5975 6925
$Comp
L Device:LED D7
U 1 1 5D897A25
P 5825 7200
F 0 "D7" H 5825 7125 50  0000 C CNN
F 1 "LED" H 5818 7036 50  0001 C CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 5825 7200 50  0001 C CNN
F 3 "~" H 5825 7200 50  0001 C CNN
	1    5825 7200
	-1   0    0    1   
$EndComp
$Comp
L Device:LED D6
U 1 1 5D88B507
P 5825 6925
F 0 "D6" H 5818 6761 50  0000 C CNN
F 1 "LED" H 5818 6761 50  0001 C CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 5825 6925 50  0001 C CNN
F 3 "~" H 5825 6925 50  0001 C CNN
	1    5825 6925
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0123
U 1 1 5D86794B
P 5975 6325
F 0 "#PWR0123" H 5975 6075 50  0001 C CNN
F 1 "GND" H 5980 6152 50  0000 C CNN
F 2 "" H 5975 6325 50  0001 C CNN
F 3 "" H 5975 6325 50  0001 C CNN
	1    5975 6325
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0122
U 1 1 5D867739
P 5775 6325
F 0 "#PWR0122" H 5775 6075 50  0001 C CNN
F 1 "GND" H 5780 6152 50  0000 C CNN
F 2 "" H 5775 6325 50  0001 C CNN
F 3 "" H 5775 6325 50  0001 C CNN
	1    5775 6325
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1250 2600 2150 2600
Text Label 1250 2900 0    50   ~ 0
D-
Wire Wire Line
	1250 2900 1350 2900
Text Label 1250 2800 0    50   ~ 0
D+
Connection ~ 2150 2600
$Comp
L power:VBUS #PWR0126
U 1 1 5D87B458
P 1675 950
F 0 "#PWR0126" H 1675 800 50  0001 C CNN
F 1 "VBUS" H 1690 1123 50  0000 C CNN
F 2 "" H 1675 950 50  0001 C CNN
F 3 "" H 1675 950 50  0001 C CNN
	1    1675 950 
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 1925 4800 1925
Wire Wire Line
	5100 2225 4800 2225
Connection ~ 4800 1925
Connection ~ 5100 2225
Wire Wire Line
	4590 2821 3565 2821
$Comp
L Device:C C4
U 1 1 5D844F6D
P 4275 3275
F 0 "C4" H 4390 3321 50  0000 L CNN
F 1 "1u" H 4390 3230 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 4313 3125 50  0001 C CNN
F 3 "~" H 4275 3275 50  0001 C CNN
	1    4275 3275
	-1   0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 5D83DD86
P 3865 3071
F 0 "C2" H 3980 3117 50  0000 L CNN
F 1 "22p" H 3980 3026 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3903 2921 50  0001 C CNN
F 3 "~" H 3865 3071 50  0001 C CNN
	1    3865 3071
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0114
U 1 1 5D8367E4
P 4800 2225
F 0 "#PWR0114" H 4800 1975 50  0001 C CNN
F 1 "GND" H 4805 2052 50  0000 C CNN
F 2 "" H 4800 2225 50  0001 C CNN
F 3 "" H 4800 2225 50  0001 C CNN
	1    4800 2225
	1    0    0    -1  
$EndComp
$Sheet
S 3850 875  925  525 
U 5D8260B7
F0 "voltage-regulation" 50
F1 "voltage-regulation.sch" 50
F2 "VIN" I L 3850 1150 50 
F3 "GND" I L 3850 1325 50 
F4 "VOUT" I R 4775 1150 50 
$EndSheet
Wire Wire Line
	4925 1150 4775 1150
Connection ~ 5100 1925
Wire Wire Line
	4800 1925 5100 1925
$Comp
L power:+3V3 #PWR0105
U 1 1 5D826826
P 4925 1150
F 0 "#PWR0105" H 4925 1000 50  0001 C CNN
F 1 "+3V3" H 4940 1323 50  0000 C CNN
F 2 "" H 4925 1150 50  0001 C CNN
F 3 "" H 4925 1150 50  0001 C CNN
	1    4925 1150
	1    0    0    -1  
$EndComp
$Comp
L power:+BATT #PWR0103
U 1 1 5D8258B6
P 3675 1150
F 0 "#PWR0103" H 3675 1000 50  0001 C CNN
F 1 "+BATT" H 3690 1323 50  0000 C CNN
F 2 "" H 3675 1150 50  0001 C CNN
F 3 "" H 3675 1150 50  0001 C CNN
	1    3675 1150
	1    0    0    -1  
$EndComp
$Comp
L power:+BATT #PWR0102
U 1 1 5D823BD2
P 2850 1150
F 0 "#PWR0102" H 2850 1000 50  0001 C CNN
F 1 "+BATT" H 2865 1323 50  0000 C CNN
F 2 "" H 2850 1150 50  0001 C CNN
F 3 "" H 2850 1150 50  0001 C CNN
	1    2850 1150
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0104
U 1 1 5D8262C0
P 3675 1325
F 0 "#PWR0104" H 3675 1075 50  0001 C CNN
F 1 "GND" H 3680 1152 50  0000 C CNN
F 2 "" H 3675 1325 50  0001 C CNN
F 3 "" H 3675 1325 50  0001 C CNN
	1    3675 1325
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 2800 2050 3300
Wire Wire Line
	2100 3450 2500 3450
Wire Wire Line
	2150 2600 2850 2600
Wire Wire Line
	2150 3300 2150 2600
Wire Wire Line
	3565 2821 3565 2921
Wire Wire Line
	2850 2600 2850 3300
$Comp
L Device:C C1
U 1 1 5D83D8D4
P 3565 3071
F 0 "C1" H 3680 3117 50  0000 L CNN
F 1 "22p" H 3680 3026 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 3603 2921 50  0001 C CNN
F 3 "~" H 3565 3071 50  0001 C CNN
	1    3565 3071
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1250 2350 1250 2600
Connection ~ 1250 2600
Wire Wire Line
	1375 1325 1775 1325
Connection ~ 1175 1150
$Comp
L power:VBUS #PWR0124
U 1 1 5D869D8C
P 1250 2350
F 0 "#PWR0124" H 1250 2200 50  0001 C CNN
F 1 "VBUS" H 1265 2523 50  0000 C CNN
F 2 "" H 1250 2350 50  0001 C CNN
F 3 "" H 1250 2350 50  0001 C CNN
	1    1250 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	1375 1150 1375 1325
$Sheet
S 1775 875  925  525 
U 5D8236A8
F0 "battery-protection" 50
F1 "battery-protection.sch" 50
F2 "VIN" I L 1775 1050 50 
F3 "VOUT" I R 2700 1150 50 
F4 "VBUS" I L 1775 950 50 
F5 "GND" I L 1775 1325 50 
$EndSheet
Wire Wire Line
	1675 950  1775 950 
Wire Wire Line
	2700 1150 2850 1150
Wire Wire Line
	1700 3450 2100 3450
Wire Wire Line
	1350 2900 1350 3300
Wire Wire Line
	1250 2800 2050 2800
Connection ~ 2100 3450
$Comp
L Connector:USB_B_Micro J9
U 1 1 5CDA92F9
P 950 2800
F 0 "J9" H 950 3200 50  0000 C CNN
F 1 "USB micro" H 1007 3176 50  0001 C CNN
F 2 "Connectors_USB:USB_Micro-B_Vertical_Molex-105133-0001" H 1100 2750 50  0001 C CNN
F 3 "~" H 1100 2750 50  0001 C CNN
F 4 "1051330011" H 950 2800 50  0001 C CNN "PartNo"
F 5 "MOLEX" H 950 2800 50  0001 C CNN "Manufacturer"
	1    950  2800
	1    0    0    -1  
$EndComp
Connection ~ 950  3200
Wire Wire Line
	850  3200 950  3200
$Comp
L Device:D_TVS_x2_AAC D4
U 1 1 5DAF9C1B
P 1700 3300
F 0 "D4" H 1700 3425 50  0000 C CNN
F 1 "D_TVS_x2_AAC" H 1700 3425 50  0001 C CNN
F 2 "miceuz-lib:SC89" H 1550 3300 50  0001 C CNN
F 3 "~" H 1550 3300 50  0001 C CNN
F 4 "ON SEMICONDUCTOR" H -350 1600 50  0001 C CNN "Manufacturer"
F 5 " NZL5V6AXV3T1G" H -350 1600 50  0001 C CNN "PartNo"
	1    1700 3300
	1    0    0    -1  
$EndComp
$Comp
L Device:D_TVS_x2_AAC D1
U 1 1 5D880D1F
P 2500 3300
F 0 "D1" H 2500 3425 50  0000 C CNN
F 1 "D_TVS_x2_AAC" H 2500 3425 50  0001 C CNN
F 2 "miceuz-lib:SC89" H 2350 3300 50  0001 C CNN
F 3 "~" H 2350 3300 50  0001 C CNN
F 4 "ON SEMICONDUCTOR" H 450 1600 50  0001 C CNN "Manufacturer"
F 5 " NZL5V6AXV3T1G" H 450 1600 50  0001 C CNN "PartNo"
	1    2500 3300
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H1
U 1 1 5D92D1C4
P 825 5375
F 0 "H1" H 925 5421 50  0000 L CNN
F 1 "MountingHole" H 925 5330 50  0000 L CNN
F 2 "Mounting_Holes:MountingHole_3.2mm_M3_DIN965" H 825 5375 50  0001 C CNN
F 3 "~" H 825 5375 50  0001 C CNN
	1    825  5375
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0134
U 1 1 5E1E0966
P 2400 4250
F 0 "#PWR0134" H 2400 4100 50  0001 C CNN
F 1 "+3V3" H 2415 4423 50  0000 C CNN
F 2 "" H 2400 4250 50  0001 C CNN
F 3 "" H 2400 4250 50  0001 C CNN
	1    2400 4250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0133
U 1 1 5D92311F
P 1950 4875
F 0 "#PWR0133" H 1950 4625 50  0001 C CNN
F 1 "GND" H 1955 4702 50  0000 C CNN
F 2 "" H 1950 4875 50  0001 C CNN
F 3 "" H 1950 4875 50  0001 C CNN
	1    1950 4875
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0127
U 1 1 5D87E2A8
P 2100 3450
F 0 "#PWR0127" H 2100 3200 50  0001 C CNN
F 1 "GND" H 2105 3277 50  0000 C CNN
F 2 "" H 2100 3450 50  0001 C CNN
F 3 "" H 2100 3450 50  0001 C CNN
	1    2100 3450
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0125
U 1 1 5D86A27E
P 950 3200
F 0 "#PWR0125" H 950 2950 50  0001 C CNN
F 1 "GND" H 955 3027 50  0000 C CNN
F 2 "" H 950 3200 50  0001 C CNN
F 3 "" H 950 3200 50  0001 C CNN
	1    950  3200
	-1   0    0    -1  
$EndComp
$Comp
L Mechanical:Fiducial FID1
U 1 1 5E2B5A32
P 825 6225
F 0 "FID1" H 910 6270 50  0000 L CNN
F 1 "Fiducial" H 910 6180 50  0000 L CNN
F 2 "Fiducials:Fiducial_1mm_Dia_2mm_Outer" H 825 6225 50  0001 C CNN
F 3 "~" H 825 6225 50  0001 C CNN
	1    825  6225
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:Fiducial FID2
U 1 1 5E2B5BAE
P 825 6425
F 0 "FID2" H 910 6470 50  0000 L CNN
F 1 "Fiducial" H 910 6380 50  0000 L CNN
F 2 "Fiducials:Fiducial_1mm_Dia_2mm_Outer" H 825 6425 50  0001 C CNN
F 3 "~" H 825 6425 50  0001 C CNN
	1    825  6425
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H3
U 1 1 5D92D1F4
P 825 5725
F 0 "H3" H 925 5771 50  0000 L CNN
F 1 "MountingHole" H 925 5680 50  0000 L CNN
F 2 "Mounting_Holes:MountingHole_3.2mm_M3_DIN965" H 825 5725 50  0001 C CNN
F 3 "~" H 825 5725 50  0001 C CNN
	1    825  5725
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H2
U 1 1 5D92E86E
P 825 5550
F 0 "H2" H 925 5596 50  0000 L CNN
F 1 "MountingHole" H 925 5505 50  0000 L CNN
F 2 "Mounting_Holes:MountingHole_3.2mm_M3_DIN965" H 825 5550 50  0001 C CNN
F 3 "~" H 825 5550 50  0001 C CNN
	1    825  5550
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H4
U 1 1 5D92D005
P 825 5925
F 0 "H4" H 925 5971 50  0000 L CNN
F 1 "MountingHole" H 925 5880 50  0000 L CNN
F 2 "Mounting_Holes:MountingHole_3.2mm_M3_DIN965" H 825 5925 50  0001 C CNN
F 3 "~" H 825 5925 50  0001 C CNN
	1    825  5925
	1    0    0    -1  
$EndComp
Wire Wire Line
	1175 1150 1175 1225
Wire Wire Line
	1175 1150 1375 1150
Wire Wire Line
	1175 1050 1775 1050
$Comp
L Connector:Conn_01x02_Male J1
U 1 1 5D8230D5
P 975 1050
F 0 "J1" H 1083 1231 50  0000 C CNN
F 1 "battery" H 1083 1140 50  0000 C CNN
F 2 "TerminalBlock_MetzConnect:TerminalBlock_MetzConnect_Type101_RT01602HBWC_Pitch5.08mm" H 975 1050 50  0001 C CNN
F 3 "~" H 975 1050 50  0001 C CNN
	1    975  1050
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0101
U 1 1 5D8239EA
P 1175 1225
F 0 "#PWR0101" H 1175 975 50  0001 C CNN
F 1 "GND" H 1180 1052 50  0000 C CNN
F 2 "" H 1175 1225 50  0001 C CNN
F 3 "" H 1175 1225 50  0001 C CNN
	1    1175 1225
	1    0    0    -1  
$EndComp
$EndSCHEMATC