EESchema Schematic File Version 4
LIBS:hddclock-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector:Conn_01x02_Male J1
U 1 1 5BFBC15E
P 1250 1300
F 0 "J1" H 1305 1867 50  0000 C CNN
F 1 "RJ12" H 1305 1776 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" V 1250 1325 50  0001 C CNN
F 3 "~" V 1250 1325 50  0001 C CNN
	1    1250 1300
	1    0    0    -1  
$EndComp
Wire Wire Line
	3450 1400 3450 1900
Wire Wire Line
	1850 1400 1850 1300
Wire Wire Line
	1450 5200 1450 2950
$Comp
L Device:C C1
U 1 1 5BFBC5D5
P 1850 1550
F 0 "C1" H 1965 1596 50  0000 L CNN
F 1 "100n" H 1965 1505 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1888 1400 50  0001 C CNN
F 3 "~" H 1850 1550 50  0001 C CNN
	1    1850 1550
	1    0    0    -1  
$EndComp
Connection ~ 1850 1400
Wire Wire Line
	3450 1900 3550 1900
Wire Wire Line
	3550 1900 3550 2200
Connection ~ 3450 1900
Wire Wire Line
	3450 1900 3450 2100
Wire Wire Line
	4050 3100 4350 3100
Wire Wire Line
	4350 3100 4350 2950
Wire Wire Line
	4350 2950 4600 2950
Wire Wire Line
	4050 3200 4350 3200
Wire Wire Line
	4350 3200 4350 3350
Wire Wire Line
	4350 3350 4600 3350
$Comp
L Device:Crystal Y1
U 1 1 5BFBD5A8
P 4600 3150
F 0 "Y1" V 4554 3281 50  0000 L CNN
F 1 "16MHz" V 4645 3281 50  0000 L CNN
F 2 "Crystal:Crystal_SMD_HC49-SD_HandSoldering" H 4600 3150 50  0001 C CNN
F 3 "~" H 4600 3150 50  0001 C CNN
	1    4600 3150
	0    1    1    0   
$EndComp
Wire Wire Line
	4600 2950 4600 3000
Wire Wire Line
	4600 3350 4600 3300
$Comp
L Device:C C2
U 1 1 5BFBD998
P 4750 2950
F 0 "C2" V 4498 2950 50  0000 C CNN
F 1 "22pF" V 4589 2950 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4788 2800 50  0001 C CNN
F 3 "~" H 4750 2950 50  0001 C CNN
	1    4750 2950
	0    1    1    0   
$EndComp
$Comp
L Device:C C3
U 1 1 5BFBDA04
P 4750 3350
F 0 "C3" V 4498 3350 50  0000 C CNN
F 1 "22pF" V 4589 3350 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4788 3200 50  0001 C CNN
F 3 "~" H 4750 3350 50  0001 C CNN
	1    4750 3350
	0    1    1    0   
$EndComp
Connection ~ 4600 3350
Connection ~ 4600 2950
Wire Wire Line
	4900 2950 4900 3150
Wire Wire Line
	4900 3150 5150 3150
Connection ~ 4900 3150
Wire Wire Line
	4900 3150 4900 3350
$Comp
L power:Earth #PWR0101
U 1 1 5BFBEC04
P 5150 3150
F 0 "#PWR0101" H 5150 2900 50  0001 C CNN
F 1 "Earth" H 5150 3000 50  0001 C CNN
F 2 "" H 5150 3150 50  0001 C CNN
F 3 "~" H 5150 3150 50  0001 C CNN
	1    5150 3150
	0    -1   -1   0   
$EndComp
$Comp
L power:Earth #PWR0102
U 1 1 5BFBF51C
P 1450 5400
F 0 "#PWR0102" H 1450 5150 50  0001 C CNN
F 1 "Earth" H 1450 5250 50  0001 C CNN
F 2 "" H 1450 5400 50  0001 C CNN
F 3 "~" H 1450 5400 50  0001 C CNN
	1    1450 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	1450 5200 1450 5400
Connection ~ 1450 5200
Connection ~ 3450 1400
$Comp
L Device:R R1
U 1 1 5BFD470E
P 6900 4750
F 0 "R1" H 6970 4796 50  0000 L CNN
F 1 "R5" H 6970 4705 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 6830 4750 50  0001 C CNN
F 3 "~" H 6900 4750 50  0001 C CNN
	1    6900 4750
	1    0    0    -1  
$EndComp
Wire Wire Line
	6900 5200 3450 5200
Connection ~ 3450 5200
$Comp
L Device:R R2
U 1 1 5BFD5175
P 7300 4900
F 0 "R2" H 7370 4946 50  0000 L CNN
F 1 "R5" H 7370 4855 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 7230 4900 50  0001 C CNN
F 3 "~" H 7300 4900 50  0001 C CNN
	1    7300 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	7300 4700 7300 4750
Wire Wire Line
	7300 5050 7300 5550
Wire Wire Line
	7300 5550 3850 5550
Wire Wire Line
	3450 5550 3450 5200
Wire Wire Line
	6900 4900 6900 5200
Wire Wire Line
	7450 4600 7450 4450
Wire Wire Line
	7450 4450 7500 4450
Wire Wire Line
	6900 4600 7450 4600
Wire Wire Line
	8400 4700 8400 4450
Wire Wire Line
	8400 4450 8300 4450
Wire Wire Line
	7300 4700 8400 4700
$Comp
L IRFR9014PBF:IRFR9014PBF IC1
U 1 1 5BFD3DD7
P 5350 3950
F 0 "IC1" H 5750 4215 50  0000 C CNN
F 1 "IRFR9014PBF" H 5750 4124 50  0000 C CNN
F 2 "TO228P990X238-3N" H 6000 4050 50  0001 L CNN
F 3 "http://www.vishay.com/docs/91277/sihfr901.pdf" H 6000 3950 50  0001 L CNN
F 4 "IRFR9014PBF, P-channel MOSFET Transistor, 5.1 A 60 V, 3-Pin D-PAK" H 6000 3850 50  0001 L CNN "Description"
F 5 "Vishay" H 6000 3650 50  0001 L CNN "Manufacturer_Name"
F 6 "IRFR9014PBF" H 6000 3550 50  0001 L CNN "Manufacturer_Part_Number"
F 7 "5409604P" H 6000 3450 50  0001 L CNN "RS Part Number"
F 8 "http://uk.rs-online.com/web/p/products/5409604P" H 6000 3350 50  0001 L CNN "RS Price/Stock"
F 9 "70078962" H 6000 3250 50  0001 L CNN "Allied_Number"
F 10 "http://www.alliedelec.com/vishay-pcs-irfr9014pbf/70078962/" H 6000 3150 50  0001 L CNN "Allied Price/Stock"
F 11 "IRFR9014PBF" H 6000 3050 50  0001 L CNN "Arrow Part Number"
F 12 "https://www.arrow.com/en/products/irfr9014pbf/vishay" H 6000 2950 50  0001 L CNN "Arrow Price/Stock"
	1    5350 3950
	1    0    0    -1  
$EndComp
$Comp
L IRFR9014PBF:IRFR9014PBF IC2
U 1 1 5BFD47B3
P 5300 4700
F 0 "IC2" H 5700 4965 50  0000 C CNN
F 1 "IRFR9014PBF" H 5700 4874 50  0000 C CNN
F 2 "TO228P990X238-3N" H 5950 4800 50  0001 L CNN
F 3 "http://www.vishay.com/docs/91277/sihfr901.pdf" H 5950 4700 50  0001 L CNN
F 4 "IRFR9014PBF, P-channel MOSFET Transistor, 5.1 A 60 V, 3-Pin D-PAK" H 5950 4600 50  0001 L CNN "Description"
F 5 "Vishay" H 5950 4400 50  0001 L CNN "Manufacturer_Name"
F 6 "IRFR9014PBF" H 5950 4300 50  0001 L CNN "Manufacturer_Part_Number"
F 7 "5409604P" H 5950 4200 50  0001 L CNN "RS Part Number"
F 8 "http://uk.rs-online.com/web/p/products/5409604P" H 5950 4100 50  0001 L CNN "RS Price/Stock"
F 9 "70078962" H 5950 4000 50  0001 L CNN "Allied_Number"
F 10 "http://www.alliedelec.com/vishay-pcs-irfr9014pbf/70078962/" H 5950 3900 50  0001 L CNN "Allied Price/Stock"
F 11 "IRFR9014PBF" H 5950 3800 50  0001 L CNN "Arrow Part Number"
F 12 "https://www.arrow.com/en/products/irfr9014pbf/vishay" H 5950 3700 50  0001 L CNN "Arrow Price/Stock"
	1    5300 4700
	1    0    0    -1  
$EndComp
$Comp
L 85502-5007:85502-5007 J2
U 1 1 5BFD780F
P 7500 4350
F 0 "J2" H 7900 4615 50  0000 C CNN
F 1 "85502-5007" H 7900 4524 50  0000 C CNN
F 2 "new-rj12:85502-5007" H 8150 4450 50  0001 L CNN
F 3 "http://www.molex.com/webdocs/datasheets/pdf/en-us//0855025007_MODULAR_JACKS_PLUG.pdf" H 8150 4350 50  0001 L CNN
F 4 "6/6 way r/a low profile PCB SMT skt,1.5A Molex Cat3 6P/6C Right Angle Surface Mount Female RJ12 UTP RJ12 Connector" H 8150 4250 50  0001 L CNN "Description"
F 5 "Molex" H 8150 4050 50  0001 L CNN "Manufacturer_Name"
F 6 "85502-5007" H 8150 3950 50  0001 L CNN "Manufacturer_Part_Number"
F 7 "1707071" H 8150 3850 50  0001 L CNN "RS Part Number"
F 8 "http://uk.rs-online.com/web/p/products/1707071" H 8150 3750 50  0001 L CNN "RS Price/Stock"
F 9 "70372958" H 8150 3650 50  0001 L CNN "Allied_Number"
F 10 "https://www.alliedelec.com/molex-incorporated-85502-5007/70372958/" H 8150 3550 50  0001 L CNN "Allied Price/Stock"
F 11 "85502-5007" H 8150 3450 50  0001 L CNN "Arrow Part Number"
F 12 "http://uk.rs-online.com/web/p/products/1707071" H 8150 3350 50  0001 L CNN "Arrow Price/Stock"
	1    7500 4350
	1    0    0    -1  
$EndComp
Wire Wire Line
	8300 4000 8300 4350
Wire Wire Line
	6650 4650 6650 4350
Wire Wire Line
	6650 4350 7500 4350
Wire Wire Line
	4300 4000 4300 4800
Wire Wire Line
	4300 4800 4050 4800
Wire Wire Line
	4450 4700 4450 4900
Wire Wire Line
	4450 4900 4050 4900
Connection ~ 3550 1900
$Comp
L 85502-5007:85502-5007 J3
U 1 1 5BFE2B40
P 7500 3350
F 0 "J3" H 7900 3615 50  0000 C CNN
F 1 "85502-5007" H 7900 3524 50  0000 C CNN
F 2 "new-rj12:85502-5007" H 8150 3450 50  0001 L CNN
F 3 "http://www.molex.com/webdocs/datasheets/pdf/en-us//0855025007_MODULAR_JACKS_PLUG.pdf" H 8150 3350 50  0001 L CNN
F 4 "6/6 way r/a low profile PCB SMT skt,1.5A Molex Cat3 6P/6C Right Angle Surface Mount Female RJ12 UTP RJ12 Connector" H 8150 3250 50  0001 L CNN "Description"
F 5 "Molex" H 8150 3050 50  0001 L CNN "Manufacturer_Name"
F 6 "85502-5007" H 8150 2950 50  0001 L CNN "Manufacturer_Part_Number"
F 7 "1707071" H 8150 2850 50  0001 L CNN "RS Part Number"
F 8 "http://uk.rs-online.com/web/p/products/1707071" H 8150 2750 50  0001 L CNN "RS Price/Stock"
F 9 "70372958" H 8150 2650 50  0001 L CNN "Allied_Number"
F 10 "https://www.alliedelec.com/molex-incorporated-85502-5007/70372958/" H 8150 2550 50  0001 L CNN "Allied Price/Stock"
F 11 "85502-5007" H 8150 2450 50  0001 L CNN "Arrow Part Number"
F 12 "http://uk.rs-online.com/web/p/products/1707071" H 8150 2350 50  0001 L CNN "Arrow Price/Stock"
	1    7500 3350
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 4000 4150 4000
Wire Wire Line
	4150 4000 4150 3550
Wire Wire Line
	4150 3550 4600 3550
Wire Wire Line
	6400 3550 6400 3350
Wire Wire Line
	4250 4200 4250 3650
Wire Wire Line
	4250 3650 6500 3650
Wire Wire Line
	6500 3650 6500 3450
Wire Wire Line
	6500 3450 7500 3450
Wire Wire Line
	4050 4200 4250 4200
Wire Wire Line
	4050 4300 4400 4300
Wire Wire Line
	4400 4300 4400 3750
Wire Wire Line
	4400 3750 6550 3750
Wire Wire Line
	6550 3750 6550 3550
Wire Wire Line
	6550 3550 7500 3550
$Comp
L Device:C C4
U 1 1 5BFE5D14
P 7350 3350
F 0 "C4" V 7098 3350 50  0000 C CNN
F 1 "100n C" V 7189 3350 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 7388 3200 50  0001 C CNN
F 3 "~" H 7350 3350 50  0001 C CNN
	1    7350 3350
	0    1    1    0   
$EndComp
Wire Wire Line
	6400 3350 7200 3350
$Comp
L Device:R R3
U 1 1 5BFE842C
P 5600 3400
F 0 "R3" H 5670 3446 50  0000 L CNN
F 1 "10k R" H 5670 3355 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 5530 3400 50  0001 C CNN
F 3 "~" H 5600 3400 50  0001 C CNN
	1    5600 3400
	1    0    0    -1  
$EndComp
Connection ~ 5600 3550
Wire Wire Line
	5600 3550 6400 3550
Wire Wire Line
	5600 3250 5600 1900
Wire Wire Line
	8300 3550 8650 3550
Wire Wire Line
	8650 3550 8650 5550
Wire Wire Line
	8650 5550 7300 5550
Connection ~ 7300 5550
Wire Wire Line
	8300 3450 8400 3450
Wire Wire Line
	8400 3450 8400 1400
Wire Wire Line
	3450 1400 5300 1400
$Comp
L Connector:Conn_01x06_Male J4
U 1 1 5BFEBA99
P 1000 2650
F 0 "J4" H 1106 3028 50  0000 C CNN
F 1 "Conn_01x06_Male" H 1106 2937 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical" H 1000 2650 50  0001 C CNN
F 3 "~" H 1000 2650 50  0001 C CNN
	1    1000 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 2800 4350 2800
Wire Wire Line
	4350 2800 4350 1750
Wire Wire Line
	4350 1750 2000 1750
Wire Wire Line
	2000 1750 2000 2650
Wire Wire Line
	2000 2650 1200 2650
Wire Wire Line
	4050 2900 4400 2900
Wire Wire Line
	4400 2900 4400 1700
Wire Wire Line
	4400 1700 1950 1700
Wire Wire Line
	1950 1700 1950 2550
Wire Wire Line
	1950 2550 1200 2550
Wire Wire Line
	4050 3000 4250 3000
Wire Wire Line
	4250 3000 4250 1650
Wire Wire Line
	4250 1650 1900 1650
Wire Wire Line
	1900 1650 1900 2450
Wire Wire Line
	1200 2450 1900 2450
Wire Wire Line
	1200 2750 2650 2750
Wire Wire Line
	2650 2750 2650 5350
Wire Wire Line
	2650 5350 4600 5350
Wire Wire Line
	4600 5350 4600 3550
Connection ~ 4600 3550
Wire Wire Line
	4600 3550 5600 3550
Wire Wire Line
	1200 2850 2500 2850
Wire Wire Line
	2500 2850 2500 1900
Wire Wire Line
	2500 1900 3450 1900
Wire Wire Line
	1200 2950 1450 2950
Connection ~ 1450 2950
Wire Wire Line
	1450 2950 1450 1700
$Comp
L Transistor_BJT:MMBT3904 Q1
U 1 1 5BFFC24B
P 2950 5950
F 0 "Q1" H 3141 5996 50  0000 L CNN
F 1 "MMBT3904" H 3141 5905 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 3150 5875 50  0001 L CIN
F 3 "https://www.fairchildsemi.com/datasheets/2N/2N3904.pdf" H 2950 5950 50  0001 L CNN
	1    2950 5950
	1    0    0    -1  
$EndComp
Wire Wire Line
	3050 6150 3450 6150
Wire Wire Line
	3450 6150 3450 5550
Connection ~ 3450 5550
Wire Wire Line
	4600 6300 2750 6300
Wire Wire Line
	2750 6300 2750 5950
$Comp
L Device:R R5
U 1 1 5C003599
P 3850 5900
F 0 "R5" H 3920 5946 50  0000 L CNN
F 1 "10k" H 3920 5855 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 3780 5900 50  0001 C CNN
F 3 "~" H 3850 5900 50  0001 C CNN
	1    3850 5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 6300 4600 6050
Wire Wire Line
	4600 6050 3850 6050
Wire Wire Line
	3850 5750 3850 5550
Wire Wire Line
	3850 5550 3450 5550
Connection ~ 3850 5550
Wire Wire Line
	5400 5650 5200 5650
Wire Wire Line
	5200 5650 5200 5450
$Comp
L Device:R R7
U 1 1 5C00DF3A
P 3050 5600
F 0 "R7" H 3120 5646 50  0000 L CNN
F 1 "12k" H 3120 5555 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 2980 5600 50  0001 C CNN
F 3 "~" H 3050 5600 50  0001 C CNN
	1    3050 5600
	1    0    0    -1  
$EndComp
Wire Wire Line
	3050 5450 3650 5450
Wire Wire Line
	4250 5750 4250 4700
Wire Wire Line
	4250 4700 4050 4700
Connection ~ 3050 5750
$Comp
L Device:R R4
U 1 1 5C01D91E
P 4450 6500
F 0 "R4" V 4243 6500 50  0000 C CNN
F 1 "100 R" V 4334 6500 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 4380 6500 50  0001 C CNN
F 3 "~" H 4450 6500 50  0001 C CNN
	1    4450 6500
	0    1    1    0   
$EndComp
Wire Wire Line
	4300 6500 2400 6500
Wire Wire Line
	2400 6500 2400 5200
Connection ~ 2400 5200
Wire Wire Line
	2400 5200 3450 5200
Wire Wire Line
	3050 5750 4250 5750
$Comp
L 85502-5007:85502-5007 J5
U 1 1 5C02BE99
P 4600 6300
F 0 "J5" H 5000 6565 50  0000 C CNN
F 1 "85502-5007" H 5000 6474 50  0000 C CNN
F 2 "new-rj12:85502-5007" H 5250 6400 50  0001 L CNN
F 3 "http://www.molex.com/webdocs/datasheets/pdf/en-us//0855025007_MODULAR_JACKS_PLUG.pdf" H 5250 6300 50  0001 L CNN
F 4 "6/6 way r/a low profile PCB SMT skt,1.5A Molex Cat3 6P/6C Right Angle Surface Mount Female RJ12 UTP RJ12 Connector" H 5250 6200 50  0001 L CNN "Description"
F 5 "Molex" H 5250 6000 50  0001 L CNN "Manufacturer_Name"
F 6 "85502-5007" H 5250 5900 50  0001 L CNN "Manufacturer_Part_Number"
F 7 "1707071" H 5250 5800 50  0001 L CNN "RS Part Number"
F 8 "http://uk.rs-online.com/web/p/products/1707071" H 5250 5700 50  0001 L CNN "RS Price/Stock"
F 9 "70372958" H 5250 5600 50  0001 L CNN "Allied_Number"
F 10 "https://www.alliedelec.com/molex-incorporated-85502-5007/70372958/" H 5250 5500 50  0001 L CNN "Allied Price/Stock"
F 11 "85502-5007" H 5250 5400 50  0001 L CNN "Arrow Part Number"
F 12 "http://uk.rs-online.com/web/p/products/1707071" H 5250 5300 50  0001 L CNN "Arrow Price/Stock"
	1    4600 6300
	1    0    0    -1  
$EndComp
Text Label 2400 1400 0    50   ~ 0
+5V
Wire Wire Line
	1450 1700 1700 1700
Wire Wire Line
	1450 1700 1450 1550
Wire Wire Line
	1450 1550 1550 1550
Connection ~ 1450 1700
$Comp
L Device:Battery_Cell BT1
U 1 1 5C038DE2
P 4950 7050
F 0 "BT1" H 5068 7146 50  0000 L CNN
F 1 "Battery_Cell" H 5068 7055 50  0000 L CNN
F 2 "Battery:BatteryHolder_Keystone_1058_1x2032" V 4950 7110 50  0001 C CNN
F 3 "~" V 4950 7110 50  0001 C CNN
	1    4950 7050
	1    0    0    -1  
$EndComp
Connection ~ 6400 3350
$Comp
L Connector:Conn_01x02_Male J6
U 1 1 5C11BC3C
P 6350 1650
F 0 "J6" H 6456 1828 50  0000 C CNN
F 1 "Conn_01x02_Male" H 6456 1737 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 6350 1650 50  0001 C CNN
F 3 "~" H 6350 1650 50  0001 C CNN
	1    6350 1650
	0    1    1    0   
$EndComp
$Comp
L power:Earth #PWR0103
U 1 1 5C124AEC
P 6700 1850
F 0 "#PWR0103" H 6700 1600 50  0001 C CNN
F 1 "Earth" H 6700 1700 50  0001 C CNN
F 2 "" H 6700 1850 50  0001 C CNN
F 3 "~" H 6700 1850 50  0001 C CNN
	1    6700 1850
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x02_Male J7
U 1 1 5C12F0CD
P 7150 1650
F 0 "J7" V 7210 1690 50  0000 L CNN
F 1 "Conn_01x02_Male" V 7301 1690 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 7150 1650 50  0001 C CNN
F 3 "~" H 7150 1650 50  0001 C CNN
	1    7150 1650
	0    1    1    0   
$EndComp
$Comp
L Connector:Conn_01x02_Male J8
U 1 1 5C12F1A9
P 7400 1650
F 0 "J8" V 7460 1690 50  0000 L CNN
F 1 "Conn_01x02_Male" V 7551 1690 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 7400 1650 50  0001 C CNN
F 3 "~" H 7400 1650 50  0001 C CNN
	1    7400 1650
	0    1    1    0   
$EndComp
Wire Wire Line
	4050 4500 4900 4500
Wire Wire Line
	4900 4500 4900 3400
Wire Wire Line
	4900 3400 5400 3400
Wire Wire Line
	5400 3400 5400 2300
Wire Wire Line
	4050 4600 5050 4600
Wire Wire Line
	5050 4600 5050 3500
Wire Wire Line
	5050 3500 5500 3500
Wire Wire Line
	5500 3500 5500 2400
Wire Wire Line
	6250 3350 6250 1850
Wire Wire Line
	6250 3350 6400 3350
Wire Wire Line
	6350 1850 6700 1850
Wire Wire Line
	5400 2300 7050 2300
Wire Wire Line
	7050 2300 7050 1850
Wire Wire Line
	7300 2400 7300 1850
Wire Wire Line
	7150 1850 7150 2100
Wire Wire Line
	7150 2100 6850 2100
Wire Wire Line
	6850 2100 6850 1850
Wire Wire Line
	6850 1850 6700 1850
Connection ~ 6700 1850
Wire Wire Line
	7400 1850 7400 2100
Wire Wire Line
	7400 2100 7150 2100
Connection ~ 7150 2100
$Comp
L Device:C C6
U 1 1 5C15304E
P 6600 2550
F 0 "C6" H 6715 2596 50  0000 L CNN
F 1 "100n" H 6715 2505 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 6638 2400 50  0001 C CNN
F 3 "~" H 6600 2550 50  0001 C CNN
	1    6600 2550
	1    0    0    -1  
$EndComp
$Comp
L power:Earth #PWR0104
U 1 1 5C1531C5
P 6600 2700
F 0 "#PWR0104" H 6600 2450 50  0001 C CNN
F 1 "Earth" H 6600 2550 50  0001 C CNN
F 2 "" H 6600 2700 50  0001 C CNN
F 3 "~" H 6600 2700 50  0001 C CNN
	1    6600 2700
	1    0    0    -1  
$EndComp
Connection ~ 6600 2400
Wire Wire Line
	6600 2400 7300 2400
Wire Wire Line
	5500 2400 6600 2400
$Comp
L Device:C C7
U 1 1 5C15DA66
P 7050 2450
F 0 "C7" H 7165 2496 50  0000 L CNN
F 1 "100n" H 7165 2405 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 7088 2300 50  0001 C CNN
F 3 "~" H 7050 2450 50  0001 C CNN
	1    7050 2450
	1    0    0    -1  
$EndComp
Connection ~ 7050 2300
$Comp
L power:Earth #PWR0105
U 1 1 5C15DB18
P 7050 2600
F 0 "#PWR0105" H 7050 2350 50  0001 C CNN
F 1 "Earth" H 7050 2450 50  0001 C CNN
F 2 "" H 7050 2600 50  0001 C CNN
F 3 "~" H 7050 2600 50  0001 C CNN
	1    7050 2600
	1    0    0    -1  
$EndComp
Wire Wire Line
	5400 5650 5400 6400
$Comp
L Mechanical:MountingHole_Pad H1
U 1 1 5C186AE0
P 9950 950
F 0 "H1" H 10050 1001 50  0000 L CNN
F 1 "MountingHole_Pad" H 10050 910 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad" H 9950 950 50  0001 C CNN
F 3 "~" H 9950 950 50  0001 C CNN
	1    9950 950 
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H2
U 1 1 5C186C18
P 9550 950
F 0 "H2" H 9650 1001 50  0000 L CNN
F 1 "MountingHole_Pad" H 9650 910 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad" H 9550 950 50  0001 C CNN
F 3 "~" H 9550 950 50  0001 C CNN
	1    9550 950 
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H3
U 1 1 5C186D1B
P 9150 900
F 0 "H3" H 9250 951 50  0000 L CNN
F 1 "MountingHole_Pad" H 9250 860 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad" H 9150 900 50  0001 C CNN
F 3 "~" H 9150 900 50  0001 C CNN
	1    9150 900 
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H4
U 1 1 5C186E2B
P 8750 950
F 0 "H4" H 8850 1001 50  0000 L CNN
F 1 "MountingHole_Pad" H 8850 910 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad" H 8750 950 50  0001 C CNN
F 3 "~" H 8750 950 50  0001 C CNN
	1    8750 950 
	1    0    0    -1  
$EndComp
$Comp
L power:Earth #PWR0106
U 1 1 5C19B54E
P 9950 1050
F 0 "#PWR0106" H 9950 800 50  0001 C CNN
F 1 "Earth" H 9950 900 50  0001 C CNN
F 2 "" H 9950 1050 50  0001 C CNN
F 3 "~" H 9950 1050 50  0001 C CNN
	1    9950 1050
	1    0    0    -1  
$EndComp
$Comp
L power:Earth #PWR0107
U 1 1 5C19B5D9
P 9550 1050
F 0 "#PWR0107" H 9550 800 50  0001 C CNN
F 1 "Earth" H 9550 900 50  0001 C CNN
F 2 "" H 9550 1050 50  0001 C CNN
F 3 "~" H 9550 1050 50  0001 C CNN
	1    9550 1050
	1    0    0    -1  
$EndComp
$Comp
L power:Earth #PWR0108
U 1 1 5C19B687
P 9150 1000
F 0 "#PWR0108" H 9150 750 50  0001 C CNN
F 1 "Earth" H 9150 850 50  0001 C CNN
F 2 "" H 9150 1000 50  0001 C CNN
F 3 "~" H 9150 1000 50  0001 C CNN
	1    9150 1000
	1    0    0    -1  
$EndComp
$Comp
L power:Earth #PWR0109
U 1 1 5C19B735
P 8750 1050
F 0 "#PWR0109" H 8750 800 50  0001 C CNN
F 1 "Earth" H 8750 900 50  0001 C CNN
F 2 "" H 8750 1050 50  0001 C CNN
F 3 "~" H 8750 1050 50  0001 C CNN
	1    8750 1050
	1    0    0    -1  
$EndComp
Text Label 4300 2800 0    50   ~ 0
MOSI
Wire Wire Line
	4450 4700 5300 4700
Wire Wire Line
	5300 4800 5300 5000
Wire Wire Line
	5300 5450 5200 5450
Connection ~ 5200 5450
Wire Wire Line
	3550 1900 5600 1900
Wire Wire Line
	4300 4000 5250 4000
Wire Wire Line
	5250 4100 5250 4250
Wire Wire Line
	5250 4800 5300 4800
Connection ~ 5300 4800
Wire Wire Line
	8300 4000 6150 4000
Wire Wire Line
	6150 4000 6150 3950
Wire Wire Line
	5250 3950 5350 3950
Wire Wire Line
	5250 4100 5350 4100
Wire Wire Line
	5350 4100 5350 4050
Wire Wire Line
	5250 4000 5250 3950
Wire Wire Line
	5250 4100 5150 4100
Wire Wire Line
	5150 4100 5150 3300
Wire Wire Line
	5150 3300 5300 3300
Wire Wire Line
	5300 3300 5300 1400
Connection ~ 5250 4100
Connection ~ 5300 1400
Wire Wire Line
	5300 1400 8400 1400
Wire Wire Line
	4600 6400 4150 6400
Wire Wire Line
	4150 6400 4150 5850
Wire Wire Line
	4150 5850 4400 5850
Wire Wire Line
	4400 5850 4400 5450
Connection ~ 4400 5450
Wire Wire Line
	4400 5450 5200 5450
$Comp
L Device:C C8
U 1 1 5D223F77
P 3200 2100
F 0 "C8" V 2948 2100 50  0000 C CNN
F 1 "100 nF" V 3039 2100 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3238 1950 50  0001 C CNN
F 3 "~" H 3200 2100 50  0001 C CNN
	1    3200 2100
	0    1    1    0   
$EndComp
Wire Wire Line
	3350 2100 3450 2100
Connection ~ 3450 2100
Wire Wire Line
	3450 2100 3450 2200
Wire Wire Line
	3050 2100 2900 2100
$Comp
L power:Earth #PWR0110
U 1 1 5D24B2A6
P 2900 2200
F 0 "#PWR0110" H 2900 1950 50  0001 C CNN
F 1 "Earth" H 2900 2050 50  0001 C CNN
F 2 "" H 2900 2200 50  0001 C CNN
F 3 "~" H 2900 2200 50  0001 C CNN
	1    2900 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	2900 2100 2900 2200
$Comp
L Timer:MCP7940N-xSN U2
U 1 1 5D5210E5
P 3500 7050
F 0 "U2" H 3500 6564 50  0000 C CNN
F 1 "MCP7940N-xSN" H 3500 6473 50  0000 C CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 3500 7050 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20005010F.pdf" H 3500 7050 50  0001 C CNN
	1    3500 7050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3100 6850 2850 6850
Wire Wire Line
	2600 6850 2600 3900
$Comp
L Device:Crystal Y2
U 1 1 5D554C26
P 4200 7050
F 0 "Y2" V 4154 7181 50  0000 L CNN
F 1 "32khz" V 4245 7181 50  0000 L CNN
F 2 "Crystal:Crystal_AT310_D3.0mm_L10.0mm_Horizontal" H 4200 7050 50  0001 C CNN
F 3 "~" H 4200 7050 50  0001 C CNN
	1    4200 7050
	0    1    1    0   
$EndComp
Wire Wire Line
	3900 6950 4000 6950
Wire Wire Line
	4000 6950 4000 6800
Wire Wire Line
	4000 6800 4200 6800
Wire Wire Line
	4200 6800 4200 6900
Wire Wire Line
	4200 7200 4200 7300
Wire Wire Line
	4200 7300 4000 7300
Wire Wire Line
	4000 7300 4000 7150
Wire Wire Line
	4000 7150 3900 7150
Wire Wire Line
	3600 6650 3850 6650
Wire Wire Line
	4950 7150 4950 7450
Wire Wire Line
	4950 7450 4650 7450
Wire Wire Line
	1850 1400 3450 1400
Wire Wire Line
	3650 5450 3650 6550
Wire Wire Line
	3650 6550 3500 6550
Wire Wire Line
	3500 6550 3500 6650
Connection ~ 3650 5450
Wire Wire Line
	3650 5450 4400 5450
$Comp
L Device:R R8
U 1 1 5D5C22F0
P 3000 6600
F 0 "R8" V 2793 6600 50  0000 C CNN
F 1 "2k" V 2884 6600 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 2930 6600 50  0001 C CNN
F 3 "~" H 3000 6600 50  0001 C CNN
	1    3000 6600
	0    1    1    0   
$EndComp
$Comp
L Device:R R9
U 1 1 5D5C24A8
P 3000 6700
F 0 "R9" V 2793 6700 50  0000 C CNN
F 1 "2k" V 2884 6700 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 2930 6700 50  0001 C CNN
F 3 "~" H 3000 6700 50  0001 C CNN
	1    3000 6700
	0    1    1    0   
$EndComp
Wire Wire Line
	3500 6550 3250 6550
Wire Wire Line
	3150 6550 3150 6600
Connection ~ 3500 6550
Wire Wire Line
	3250 6550 3250 6700
Wire Wire Line
	3250 6700 3150 6700
Connection ~ 3250 6550
Wire Wire Line
	3250 6550 3150 6550
Wire Wire Line
	2850 6700 2850 6850
Connection ~ 2850 6850
Wire Wire Line
	2850 6850 2600 6850
Wire Wire Line
	2850 6600 2700 6600
Wire Wire Line
	6650 4650 6100 4650
Wire Wire Line
	6100 4650 6100 4700
$Comp
L Device:C C5
U 1 1 5D5FBA50
P 4650 7100
F 0 "C5" H 4765 7146 50  0000 L CNN
F 1 "100nF" H 4765 7055 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4688 6950 50  0001 C CNN
F 3 "~" H 4650 7100 50  0001 C CNN
	1    4650 7100
	1    0    0    -1  
$EndComp
Wire Wire Line
	4650 7250 4650 7450
Connection ~ 4650 7450
Wire Wire Line
	4650 7450 4500 7450
Wire Wire Line
	4650 6950 4650 6550
Wire Wire Line
	4650 6550 3650 6550
Connection ~ 3650 6550
$Comp
L Device:C C9
U 1 1 5D613ADB
P 4350 6800
F 0 "C9" V 4098 6800 50  0000 C CNN
F 1 "10pF" V 4189 6800 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4388 6650 50  0001 C CNN
F 3 "~" H 4350 6800 50  0001 C CNN
	1    4350 6800
	0    1    1    0   
$EndComp
Connection ~ 4200 6800
$Comp
L Device:C C10
U 1 1 5D613C2D
P 4350 7300
F 0 "C10" V 4098 7300 50  0000 C CNN
F 1 "10pF" V 4189 7300 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4388 7150 50  0001 C CNN
F 3 "~" H 4350 7300 50  0001 C CNN
	1    4350 7300
	0    1    1    0   
$EndComp
Connection ~ 4200 7300
Wire Wire Line
	4500 6800 4500 7300
Wire Wire Line
	4500 7450 4500 7300
Connection ~ 4500 7450
Wire Wire Line
	4500 7450 4050 7450
Connection ~ 4500 7300
$Comp
L Device:CP_Small 100uF1
U 1 1 5D62CD55
P 1850 1200
F 0 "100uF1" H 1762 1154 50  0000 R CNN
F 1 "CP_Small" H 1762 1245 50  0000 R CNN
F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.00mm" H 1850 1200 50  0001 C CNN
F 3 "~" H 1850 1200 50  0001 C CNN
	1    1850 1200
	-1   0    0    1   
$EndComp
Connection ~ 1850 1300
Wire Wire Line
	1850 1100 1700 1100
Wire Wire Line
	1700 1100 1700 1700
Connection ~ 1700 1700
Wire Wire Line
	1700 1700 1850 1700
Wire Wire Line
	2550 6950 2700 6950
Wire Wire Line
	2700 6600 2700 6950
Connection ~ 2700 6950
Wire Wire Line
	2700 6950 3100 6950
$Comp
L Device:D_Schottky D1
U 1 1 5D6716A9
P 4650 6650
F 0 "D1" H 4650 6866 50  0000 C CNN
F 1 "D_Schottky" H 4650 6775 50  0000 C CNN
F 2 "Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4650 6650 50  0001 C CNN
F 3 "~" H 4650 6650 50  0001 C CNN
	1    4650 6650
	1    0    0    -1  
$EndComp
Wire Wire Line
	4150 6650 4500 6650
$Comp
L Device:R R10
U 1 1 5D671914
P 4000 6650
F 0 "R10" V 3793 6650 50  0000 C CNN
F 1 "1k" V 3884 6650 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 3930 6650 50  0001 C CNN
F 3 "~" H 4000 6650 50  0001 C CNN
	1    4000 6650
	0    1    1    0   
$EndComp
Wire Wire Line
	4800 6650 4950 6650
$Comp
L Device:C C11
U 1 1 5D671EEC
P 4050 7300
F 0 "C11" H 3935 7254 50  0000 R CNN
F 1 "100nF" H 3935 7345 50  0000 R CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4088 7150 50  0001 C CNN
F 3 "~" H 4050 7300 50  0001 C CNN
	1    4050 7300
	-1   0    0    1   
$EndComp
Wire Wire Line
	1450 5200 2400 5200
$Comp
L power:Earth #PWR0112
U 1 1 5D67F8CE
P 3500 7450
F 0 "#PWR0112" H 3500 7200 50  0001 C CNN
F 1 "Earth" H 3500 7300 50  0001 C CNN
F 2 "" H 3500 7450 50  0001 C CNN
F 3 "~" H 3500 7450 50  0001 C CNN
	1    3500 7450
	1    0    0    -1  
$EndComp
Connection ~ 3500 7450
Text Label 3700 6650 0    50   ~ 0
vbat
Wire Wire Line
	4950 6650 4950 6850
Connection ~ 4050 7450
Wire Wire Line
	4050 7150 4050 6750
Wire Wire Line
	4050 6750 3850 6750
Wire Wire Line
	3850 6750 3850 6650
Wire Wire Line
	3500 7450 4050 7450
Connection ~ 3850 6650
Wire Wire Line
	1450 1300 1850 1300
Wire Wire Line
	1550 1550 1550 1400
Wire Wire Line
	1550 1400 1450 1400
$Comp
L Device:C C12
U 1 1 5D6B4E5E
P 5400 4250
F 0 "C12" V 5148 4250 50  0000 C CNN
F 1 "47uF" V 5239 4250 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 5438 4100 50  0001 C CNN
F 3 "~" H 5400 4250 50  0001 C CNN
	1    5400 4250
	0    1    1    0   
$EndComp
Connection ~ 5250 4250
Wire Wire Line
	5250 4250 5250 4800
$Comp
L Device:C C13
U 1 1 5D6B4FEC
P 5450 5000
F 0 "C13" V 5198 5000 50  0000 C CNN
F 1 "47uF" V 5289 5000 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 5488 4850 50  0001 C CNN
F 3 "~" H 5450 5000 50  0001 C CNN
	1    5450 5000
	0    1    1    0   
$EndComp
Connection ~ 5300 5000
Wire Wire Line
	5300 5000 5300 5450
$Comp
L power:Earth #PWR0111
U 1 1 5D6B52CB
P 5600 5000
F 0 "#PWR0111" H 5600 4750 50  0001 C CNN
F 1 "Earth" H 5600 4850 50  0001 C CNN
F 2 "" H 5600 5000 50  0001 C CNN
F 3 "~" H 5600 5000 50  0001 C CNN
	1    5600 5000
	0    -1   -1   0   
$EndComp
$Comp
L power:Earth #PWR0113
U 1 1 5D6B5421
P 5550 4250
F 0 "#PWR0113" H 5550 4000 50  0001 C CNN
F 1 "Earth" H 5550 4100 50  0001 C CNN
F 2 "" H 5550 4250 50  0001 C CNN
F 3 "~" H 5550 4250 50  0001 C CNN
	1    5550 4250
	0    -1   -1   0   
$EndComp
$Comp
L MCU_Microchip_ATmega:ATmega328PB-AU U1
U 1 1 5BFBBE8B
P 3450 3700
F 0 "U1" H 2950 5150 50  0000 L BNN
F 1 "ATmega328-AU" H 3550 2250 50  0000 L TNN
F 2 "Package_QFP:TQFP-32_7x7mm_P0.8mm" H 3450 3700 50  0001 C CIN
F 3 "" H 3450 3700 50  0001 C CNN
	1    3450 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2600 3900 4050 3900
Wire Wire Line
	2550 6950 2550 3800
Wire Wire Line
	2550 3800 4050 3800
$EndSCHEMATC
