EESchema Schematic File Version 4
LIBS:fauxie_module-cache
EELAYER 29 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 2
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Sheet
S 3700 2300 550  300 
U 5DC8AC6D
F0 "digits" 50
F1 "digits.sch" 50
F2 "DATA_IN" I L 3700 2400 50 
F3 "DATA_OUT" I L 3700 2500 50 
$EndSheet
$Comp
L MCU_ST_STM32L0:STM32L011F4Px U1
U 1 1 5DC768DE
P 6150 2300
F 0 "U1" H 6100 1411 50  0000 C CNN
F 1 "STM32L011F4Px" H 6100 1320 50  0000 C CNN
F 2 "Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm" H 5750 1600 50  0001 R CNN
F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00206508.pdf" H 6150 2300 50  0001 C CNN
	1    6150 2300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR06
U 1 1 5DC77B73
P 5950 3100
F 0 "#PWR06" H 5950 2850 50  0001 C CNN
F 1 "GND" V 5955 2972 50  0000 R CNN
F 2 "" H 5950 3100 50  0001 C CNN
F 3 "" H 5950 3100 50  0001 C CNN
	1    5950 3100
	0    1    1    0   
$EndComp
Wire Wire Line
	5950 3100 6050 3100
$Comp
L power:+3V3 #PWR07
U 1 1 5DC7CB4E
P 6100 1500
F 0 "#PWR07" H 6100 1350 50  0001 C CNN
F 1 "+3V3" H 6115 1673 50  0000 C CNN
F 2 "" H 6100 1500 50  0001 C CNN
F 3 "" H 6100 1500 50  0001 C CNN
	1    6100 1500
	1    0    0    -1  
$EndComp
Wire Wire Line
	6050 1600 6050 1500
Wire Wire Line
	6050 1500 6100 1500
Wire Wire Line
	6100 1500 6150 1500
Wire Wire Line
	6150 1500 6150 1600
Connection ~ 6100 1500
$Comp
L power:+3V3 #PWR08
U 1 1 5DC7D723
P 7050 1300
F 0 "#PWR08" H 7050 1150 50  0001 C CNN
F 1 "+3V3" V 7065 1428 50  0000 L CNN
F 2 "" H 7050 1300 50  0001 C CNN
F 3 "" H 7050 1300 50  0001 C CNN
	1    7050 1300
	0    -1   -1   0   
$EndComp
$Comp
L Device:C C5
U 1 1 5DC7DE18
P 7350 1300
F 0 "C5" V 7098 1300 50  0000 C CNN
F 1 "1u" V 7189 1300 50  0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 7388 1150 50  0001 C CNN
F 3 "~" H 7350 1300 50  0001 C CNN
	1    7350 1300
	0    1    1    0   
$EndComp
$Comp
L Device:C C4
U 1 1 5DC7E14B
P 7350 900
F 0 "C4" V 7098 900 50  0000 C CNN
F 1 "10n" V 7189 900 50  0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 7388 750 50  0001 C CNN
F 3 "~" H 7350 900 50  0001 C CNN
	1    7350 900 
	0    1    1    0   
$EndComp
Wire Wire Line
	7050 1300 7150 1300
Wire Wire Line
	7150 1300 7150 900 
Wire Wire Line
	7500 900  7500 1300
$Comp
L power:+3V3 #PWR09
U 1 1 5DC8765F
P 7050 1700
F 0 "#PWR09" H 7050 1550 50  0001 C CNN
F 1 "+3V3" V 7065 1828 50  0000 L CNN
F 2 "" H 7050 1700 50  0001 C CNN
F 3 "" H 7050 1700 50  0001 C CNN
	1    7050 1700
	0    -1   -1   0   
$EndComp
$Comp
L Device:L L1
U 1 1 5DC87DBA
P 7150 1500
F 0 "L1" H 7203 1546 50  0000 L CNN
F 1 "L" H 7203 1455 50  0000 L CNN
F 2 "Connector_Wire:SolderWirePad_1x02_P7.62mm_Drill2.5mm" H 7150 1500 50  0001 C CNN
F 3 "~" H 7150 1500 50  0001 C CNN
	1    7150 1500
	1    0    0    -1  
$EndComp
$Comp
L Device:C C6
U 1 1 5DC8A267
P 7350 1700
F 0 "C6" V 7602 1700 50  0000 C CNN
F 1 "100n" V 7511 1700 50  0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 7388 1550 50  0001 C CNN
F 3 "~" H 7350 1700 50  0001 C CNN
	1    7350 1700
	0    -1   -1   0   
$EndComp
$Comp
L Device:C C7
U 1 1 5DC8AB6D
P 7350 2100
F 0 "C7" V 7098 2100 50  0000 C CNN
F 1 "4.7u" V 7189 2100 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 7388 1950 50  0001 C CNN
F 3 "~" H 7350 2100 50  0001 C CNN
	1    7350 2100
	0    1    1    0   
$EndComp
Wire Wire Line
	7150 900  7200 900 
Wire Wire Line
	7150 1300 7200 1300
Connection ~ 7150 1300
Wire Wire Line
	7150 1300 7150 1350
Wire Wire Line
	7050 1700 7150 1700
Wire Wire Line
	7150 1650 7150 1700
Connection ~ 7150 1700
Wire Wire Line
	7150 1700 7200 1700
Wire Wire Line
	7500 2100 7500 1700
Wire Wire Line
	7150 1700 7150 2100
Wire Wire Line
	7150 2100 7200 2100
$Comp
L power:GND #PWR010
U 1 1 5DC8DF7D
P 7550 1300
F 0 "#PWR010" H 7550 1050 50  0001 C CNN
F 1 "GND" V 7555 1172 50  0000 R CNN
F 2 "" H 7550 1300 50  0001 C CNN
F 3 "" H 7550 1300 50  0001 C CNN
	1    7550 1300
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR011
U 1 1 5DC8E248
P 7550 1700
F 0 "#PWR011" H 7550 1450 50  0001 C CNN
F 1 "GND" V 7555 1572 50  0000 R CNN
F 2 "" H 7550 1700 50  0001 C CNN
F 3 "" H 7550 1700 50  0001 C CNN
	1    7550 1700
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7550 1700 7500 1700
Connection ~ 7500 1700
Wire Wire Line
	7550 1300 7500 1300
Connection ~ 7500 1300
$Comp
L Switch:SW_Push SW2
U 1 1 5DC9179C
P 5350 1800
F 0 "SW2" H 5350 2085 50  0000 C CNN
F 1 "SW_Push" H 5350 1994 50  0000 C CNN
F 2 "Button_Switch_THT:SW_MEC_5GTH9" H 5350 2000 50  0001 C CNN
F 3 "~" H 5350 2000 50  0001 C CNN
	1    5350 1800
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 5DC92686
P 5350 2150
F 0 "C3" V 5098 2150 50  0000 C CNN
F 1 "100n" V 5189 2150 50  0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 5388 2000 50  0001 C CNN
F 3 "~" H 5350 2150 50  0001 C CNN
	1    5350 2150
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR04
U 1 1 5DC92FBD
P 5050 1800
F 0 "#PWR04" H 5050 1550 50  0001 C CNN
F 1 "GND" V 5055 1672 50  0000 R CNN
F 2 "" H 5050 1800 50  0001 C CNN
F 3 "" H 5050 1800 50  0001 C CNN
	1    5050 1800
	0    1    1    0   
$EndComp
Wire Wire Line
	5650 1800 5550 1800
Wire Wire Line
	5150 1800 5050 1800
Wire Wire Line
	5150 1800 5150 2150
Wire Wire Line
	5150 2150 5200 2150
Connection ~ 5150 1800
Wire Wire Line
	5500 2150 5550 2150
Wire Wire Line
	5550 2150 5550 1800
Connection ~ 5550 1800
$Comp
L Regulator_Linear:AP7361C-33E U2
U 1 1 5DC94C79
P 9350 1300
F 0 "U2" H 9350 1542 50  0000 C CNN
F 1 "AP7361C-33E" H 9350 1451 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 9350 1525 50  0001 C CIN
F 3 "https://www.diodes.com/assets/Datasheets/AP7361C.pdf" H 9350 1250 50  0001 C CNN
	1    9350 1300
	1    0    0    -1  
$EndComp
$Comp
L Device:C C9
U 1 1 5DC98F59
P 9850 1450
F 0 "C9" H 9965 1496 50  0000 L CNN
F 1 "4.7u" H 9965 1405 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9888 1300 50  0001 C CNN
F 3 "~" H 9850 1450 50  0001 C CNN
	1    9850 1450
	1    0    0    -1  
$EndComp
$Comp
L Device:C C8
U 1 1 5DC996CB
P 8850 1450
F 0 "C8" H 8965 1496 50  0000 L CNN
F 1 "4.7u" H 8965 1405 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 8888 1300 50  0001 C CNN
F 3 "~" H 8850 1450 50  0001 C CNN
	1    8850 1450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR015
U 1 1 5DC9C5FD
P 9850 1700
F 0 "#PWR015" H 9850 1450 50  0001 C CNN
F 1 "GND" H 9855 1527 50  0000 C CNN
F 2 "" H 9850 1700 50  0001 C CNN
F 3 "" H 9850 1700 50  0001 C CNN
	1    9850 1700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR014
U 1 1 5DC9C7C8
P 9350 1700
F 0 "#PWR014" H 9350 1450 50  0001 C CNN
F 1 "GND" H 9355 1527 50  0000 C CNN
F 2 "" H 9350 1700 50  0001 C CNN
F 3 "" H 9350 1700 50  0001 C CNN
	1    9350 1700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR013
U 1 1 5DC9C9B8
P 8850 1700
F 0 "#PWR013" H 8850 1450 50  0001 C CNN
F 1 "GND" H 8855 1527 50  0000 C CNN
F 2 "" H 8850 1700 50  0001 C CNN
F 3 "" H 8850 1700 50  0001 C CNN
	1    8850 1700
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR012
U 1 1 5DC9CBAB
P 8750 1300
F 0 "#PWR012" H 8750 1150 50  0001 C CNN
F 1 "+5V" V 8765 1428 50  0000 L CNN
F 2 "" H 8750 1300 50  0001 C CNN
F 3 "" H 8750 1300 50  0001 C CNN
	1    8750 1300
	0    -1   -1   0   
$EndComp
$Comp
L power:+3V3 #PWR016
U 1 1 5DC9D037
P 9950 1300
F 0 "#PWR016" H 9950 1150 50  0001 C CNN
F 1 "+3V3" V 9965 1428 50  0000 L CNN
F 2 "" H 9950 1300 50  0001 C CNN
F 3 "" H 9950 1300 50  0001 C CNN
	1    9950 1300
	0    1    1    0   
$EndComp
Wire Wire Line
	9950 1300 9850 1300
Connection ~ 9850 1300
Wire Wire Line
	9850 1300 9650 1300
Wire Wire Line
	9050 1300 8850 1300
Connection ~ 8850 1300
Wire Wire Line
	8850 1300 8750 1300
Wire Wire Line
	8850 1600 8850 1700
Wire Wire Line
	9350 1600 9350 1700
Wire Wire Line
	9850 1600 9850 1700
$Comp
L Switch:SW_SPDT SW1
U 1 1 5DC7C576
P 4950 3100
F 0 "SW1" V 4904 2912 50  0000 R CNN
F 1 "SW_SPDT" V 4995 2912 50  0000 R CNN
F 2 "Button_Switch_SMD:SW_SPDT_PCM12" H 4950 3100 50  0001 C CNN
F 3 "~" H 4950 3100 50  0001 C CNN
	1    4950 3100
	0    -1   1    0   
$EndComp
$Comp
L Device:R R1
U 1 1 5DC806BB
P 5200 2900
F 0 "R1" V 4993 2900 50  0000 C CNN
F 1 "R" V 5084 2900 50  0000 C CNN
F 2 "Connector_Wire:SolderWirePad_1x02_P7.62mm_Drill2.5mm" V 5130 2900 50  0001 C CNN
F 3 "~" H 5200 2900 50  0001 C CNN
	1    5200 2900
	0    1    1    0   
$EndComp
$Comp
L power:+3V3 #PWR03
U 1 1 5DC80B2E
P 4850 3400
F 0 "#PWR03" H 4850 3250 50  0001 C CNN
F 1 "+3V3" H 4865 3573 50  0000 C CNN
F 2 "" H 4850 3400 50  0001 C CNN
F 3 "" H 4850 3400 50  0001 C CNN
	1    4850 3400
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR05
U 1 1 5DC80F08
P 5050 3400
F 0 "#PWR05" H 5050 3150 50  0001 C CNN
F 1 "GND" H 5055 3227 50  0000 C CNN
F 2 "" H 5050 3400 50  0001 C CNN
F 3 "" H 5050 3400 50  0001 C CNN
	1    5050 3400
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 3400 4850 3300
Wire Wire Line
	5050 3300 5050 3400
Wire Wire Line
	4950 2900 5050 2900
$Comp
L Device:Crystal Y1
U 1 1 5DC8CECF
P 5000 2450
F 0 "Y1" V 4954 2581 50  0000 L CNN
F 1 "32KHz" V 5045 2581 50  0000 L CNN
F 2 "Oscillator:Oscillator_SMD_ECS_2520MV-xxx-xx-4Pin_2.5x2.0mm" H 5000 2450 50  0001 C CNN
F 3 "~" H 5000 2450 50  0001 C CNN
	1    5000 2450
	0    1    1    0   
$EndComp
$Comp
L Device:C C1
U 1 1 5DC8DB98
P 4750 2250
F 0 "C1" V 4498 2250 50  0000 C CNN
F 1 "10p" V 4589 2250 50  0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 4788 2100 50  0001 C CNN
F 3 "~" H 4750 2250 50  0001 C CNN
	1    4750 2250
	0    1    1    0   
$EndComp
$Comp
L Device:C C2
U 1 1 5DC8E104
P 4750 2650
F 0 "C2" V 4498 2650 50  0000 C CNN
F 1 "10p" V 4589 2650 50  0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 4788 2500 50  0001 C CNN
F 3 "~" H 4750 2650 50  0001 C CNN
	1    4750 2650
	0    1    1    0   
$EndComp
Wire Wire Line
	5650 2600 5000 2600
Wire Wire Line
	4900 2600 4900 2650
Connection ~ 5000 2600
Wire Wire Line
	5000 2600 4900 2600
Wire Wire Line
	5650 2500 5650 2300
Wire Wire Line
	5650 2300 5000 2300
Wire Wire Line
	5000 2300 4900 2300
Wire Wire Line
	4900 2300 4900 2250
Connection ~ 5000 2300
$Comp
L power:GND #PWR01
U 1 1 5DC937D3
P 4500 2250
F 0 "#PWR01" H 4500 2000 50  0001 C CNN
F 1 "GND" H 4505 2077 50  0000 C CNN
F 2 "" H 4500 2250 50  0001 C CNN
F 3 "" H 4500 2250 50  0001 C CNN
	1    4500 2250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR02
U 1 1 5DC93A96
P 4500 2650
F 0 "#PWR02" H 4500 2400 50  0001 C CNN
F 1 "GND" H 4505 2477 50  0000 C CNN
F 2 "" H 4500 2650 50  0001 C CNN
F 3 "" H 4500 2650 50  0001 C CNN
	1    4500 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 2650 4600 2650
Wire Wire Line
	4500 2250 4600 2250
Text Label 6650 2600 0    50   ~ 0
TX
Text Label 6650 2700 0    50   ~ 0
RX
Text Label 6650 2400 0    50   ~ 0
CTS
Text Label 5550 2800 2    50   ~ 0
RTS
Wire Wire Line
	5350 2900 5650 2900
Wire Wire Line
	5550 2800 5650 2800
Wire Wire Line
	6650 2400 6550 2400
Wire Wire Line
	6650 2700 6550 2700
Wire Wire Line
	6650 2600 6550 2600
$Comp
L power:GND #PWR017
U 1 1 5DCBA389
P 9400 2200
F 0 "#PWR017" H 9400 1950 50  0001 C CNN
F 1 "GND" V 9405 2072 50  0000 R CNN
F 2 "" H 9400 2200 50  0001 C CNN
F 3 "" H 9400 2200 50  0001 C CNN
	1    9400 2200
	0    1    1    0   
$EndComp
Text Label 9400 2300 2    50   ~ 0
RTS
Text Label 9400 2400 2    50   ~ 0
RX
Text Label 9400 2500 2    50   ~ 0
TX
Text Label 9400 2600 2    50   ~ 0
CTS
Wire Wire Line
	9400 2200 9500 2200
Wire Wire Line
	9500 2300 9400 2300
Wire Wire Line
	9400 2400 9500 2400
Wire Wire Line
	9400 2500 9500 2500
Wire Wire Line
	9400 2600 9500 2600
Text Label 6650 2200 0    50   ~ 0
SCL
Wire Wire Line
	6650 2200 6550 2200
Text Label 6650 2800 0    50   ~ 0
SDA
Wire Wire Line
	6650 2800 6550 2800
$Comp
L power:GND #PWR018
U 1 1 5DCDF414
P 9400 3050
F 0 "#PWR018" H 9400 2800 50  0001 C CNN
F 1 "GND" V 9405 2922 50  0000 R CNN
F 2 "" H 9400 3050 50  0001 C CNN
F 3 "" H 9400 3050 50  0001 C CNN
	1    9400 3050
	0    1    1    0   
$EndComp
$Comp
L power:+5V #PWR019
U 1 1 5DCDF7FD
P 9400 3350
F 0 "#PWR019" H 9400 3200 50  0001 C CNN
F 1 "+5V" V 9415 3478 50  0000 L CNN
F 2 "" H 9400 3350 50  0001 C CNN
F 3 "" H 9400 3350 50  0001 C CNN
	1    9400 3350
	0    -1   -1   0   
$EndComp
Text Label 9400 3250 2    50   ~ 0
SCL
Text Label 9400 3150 2    50   ~ 0
SDA
Wire Wire Line
	9400 3050 9500 3050
Wire Wire Line
	9400 3150 9500 3150
Wire Wire Line
	9500 3250 9400 3250
Wire Wire Line
	9400 3350 9500 3350
$Comp
L Connector:Conn_01x05_Male J1
U 1 1 5DCAFFC9
P 9700 2400
F 0 "J1" H 9672 2424 50  0000 R CNN
F 1 "Conn_01x05_Male" H 9672 2333 50  0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Horizontal" H 9700 2400 50  0001 C CNN
F 3 "~" H 9700 2400 50  0001 C CNN
	1    9700 2400
	-1   0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x04_Male J2
U 1 1 5DE27D2E
P 9700 3250
F 0 "J2" H 9672 3132 50  0000 R CNN
F 1 "Conn_01x04_Male" H 9672 3223 50  0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal" H 9700 3250 50  0001 C CNN
F 3 "~" H 9700 3250 50  0001 C CNN
	1    9700 3250
	-1   0    0    1   
$EndComp
$EndSCHEMATC