VFD_Watch.bak
EESchema Schematic File Version 4
LIBS:VFD_Watch-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
$Comp
L power:GND #PWR0101
U 1 1 5BE4B015
P 4700 4350
F 0 "#PWR0101" H 4700 4100 50  0001 C CNN
F 1 "GND" H 4705 4177 50  0000 C CNN
F 2 "" H 4700 4350 50  0001 C CNN
F 3 "" H 4700 4350 50  0001 C CNN
	1    4700 4350
	-1   0    0    -1  
$EndComp
$Comp
L VFD_Components:MCP1663 U5
U 1 1 5BE4B39A
P 4350 3900
F 0 "U5" H 4350 4225 50  0000 C CNN
F 1 "MCP1663" H 4350 4134 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:TSOT-23-5" H 4350 3900 50  0001 C CNN
F 3 "" H 4350 3900 50  0001 C CNN
	1    4350 3900
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4700 4350 4700 4300
Wire Wire Line
	4700 4000 4650 4000
$Comp
L power:+3V3 #PWR0102
U 1 1 5BE4C5D2
P 3400 3450
F 0 "#PWR0102" H 3400 3300 50  0001 C CNN
F 1 "+3V3" H 3415 3623 50  0000 C CNN
F 2 "" H 3400 3450 50  0001 C CNN
F 3 "" H 3400 3450 50  0001 C CNN
	1    3400 3450
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3400 3450 3400 3800
Wire Wire Line
	3400 3800 4000 3800
$Comp
L Device:D_Schottky D1
U 1 1 5BE4D815
P 5000 3450
F 0 "D1" H 5000 3666 50  0000 C CNN
F 1 "D_Schottky 40V 1A" H 5000 3575 50  0000 C CNN
F 2 "Diode_SMD:D_SOD-323" H 5000 3450 50  0001 C CNN
F 3 "~" H 5000 3450 50  0001 C CNN
	1    5000 3450
	-1   0    0    -1  
$EndComp
$Comp
L Device:L L2
U 1 1 5BE53313
P 4350 3450
F 0 "L2" V 4169 3450 50  0000 C CNN
F 1 "10uH" V 4260 3450 50  0000 C CNN
F 2 "Inductor_SMD:L_Taiyo-Yuden_MD-5050" H 4350 3450 50  0001 C CNN
F 3 "~" H 4350 3450 50  0001 C CNN
	1    4350 3450
	0    1    1    0   
$EndComp
Wire Wire Line
	4200 3450 4000 3450
Wire Wire Line
	4000 3450 4000 3800
Connection ~ 4000 3800
Wire Wire Line
	4000 3800 4050 3800
Wire Wire Line
	4500 3450 4700 3450
Wire Wire Line
	4700 3450 4700 3800
Wire Wire Line
	4700 3800 4650 3800
Wire Wire Line
	4700 3450 4850 3450
Connection ~ 4700 3450
$Comp
L Device:R R10
U 1 1 5BE5B4DC
P 5250 3650
F 0 "R10" H 5320 3696 50  0000 L CNN
F 1 "1.05M" H 5320 3605 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 5180 3650 50  0001 C CNN
F 3 "~" H 5250 3650 50  0001 C CNN
	1    5250 3650
	1    0    0    -1  
$EndComp
$Comp
L Device:R R11
U 1 1 5BE5C9B1
P 5250 4100
F 0 "R11" H 5320 4146 50  0000 L CNN
F 1 "56k" H 5320 4055 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 5180 4100 50  0001 C CNN
F 3 "~" H 5250 4100 50  0001 C CNN
	1    5250 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	5150 3450 5250 3450
Wire Wire Line
	5250 3450 5250 3500
Wire Wire Line
	5250 3800 5250 3900
Wire Wire Line
	4650 3900 5250 3900
Connection ~ 5250 3900
Wire Wire Line
	5250 3900 5250 3950
Connection ~ 4700 4300
Wire Wire Line
	4700 4300 4700 4000
$Comp
L Device:C C16
U 1 1 5BE65D7C
P 5700 3900
F 0 "C16" H 5815 3946 50  0000 L CNN
F 1 "4.7uF" H 5815 3855 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 5738 3750 50  0001 C CNN
F 3 "~" H 5700 3900 50  0001 C CNN
	1    5700 3900
	1    0    0    -1  
$EndComp
$Comp
L Device:C C17
U 1 1 5BE67F13
P 6150 3900
F 0 "C17" H 6265 3946 50  0000 L CNN
F 1 "4.7uF" H 6265 3855 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 6188 3750 50  0001 C CNN
F 3 "~" H 6150 3900 50  0001 C CNN
	1    6150 3900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5700 3750 5700 3450
Wire Wire Line
	5700 3450 5250 3450
Connection ~ 5250 3450
Wire Wire Line
	5700 3450 6150 3450
Wire Wire Line
	6150 3450 6150 3750
Connection ~ 5700 3450
Wire Wire Line
	5700 4050 5700 4300
Wire Wire Line
	6150 4050 6150 4300
Wire Wire Line
	6150 4300 5700 4300
Connection ~ 5700 4300
$Comp
L power:+24V #PWR0103
U 1 1 5BE6DF43
P 6150 3400
F 0 "#PWR0103" H 6150 3250 50  0001 C CNN
F 1 "+24V" H 6165 3573 50  0000 C CNN
F 2 "" H 6150 3400 50  0001 C CNN
F 3 "" H 6150 3400 50  0001 C CNN
	1    6150 3400
	1    0    0    -1  
$EndComp
Wire Wire Line
	6150 3400 6150 3450
Connection ~ 6150 3450
Wire Wire Line
	4700 4300 5250 4300
Wire Wire Line
	5250 4250 5250 4300
Connection ~ 5250 4300
Wire Wire Line
	5250 4300 5700 4300
$Comp
L Device:C C12
U 1 1 5BE75CDC
P 3400 4050
F 0 "C12" H 3450 4250 50  0000 L CNN
F 1 "4.7uF" H 3450 4150 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3438 3900 50  0001 C CNN
F 3 "~" H 3400 4050 50  0001 C CNN
	1    3400 4050
	1    0    0    -1  
$EndComp
$Comp
L Device:C C11
U 1 1 5BE77FA3
P 3100 4050
F 0 "C11" H 3150 4250 50  0000 L CNN
F 1 "4.7uF" H 3150 4150 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3138 3900 50  0001 C CNN
F 3 "~" H 3100 4050 50  0001 C CNN
	1    3100 4050
	1    0    0    -1  
$EndComp
Wire Wire Line
	3100 3900 3100 3800
Wire Wire Line
	3100 3800 3400 3800
Connection ~ 3400 3800
Wire Wire Line
	3400 3900 3400 3800
Wire Wire Line
	3100 4200 3100 4300
Wire Wire Line
	3100 4300 3400 4300
Wire Wire Line
	3400 4200 3400 4300
Connection ~ 3400 4300
Wire Wire Line
	3400 4300 4700 4300
$Comp
L VFD_Components:MP3120 U3
U 1 1 5BE9A0C2
P 2900 5500
F 0 "U3" H 2900 5825 50  0000 C CNN
F 1 "MP3120" H 2900 5734 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:TSOT-23-6" H 2900 5500 50  0001 C CNN
F 3 "" H 2900 5500 50  0001 C CNN
	1    2900 5500
	1    0    0    -1  
$EndComp
$Comp
L power:+BATT #PWR0104
U 1 1 5BE9C849
P 1400 5050
F 0 "#PWR0104" H 1400 4900 50  0001 C CNN
F 1 "+BATT" H 1415 5223 50  0000 C CNN
F 2 "" H 1400 5050 50  0001 C CNN
F 3 "" H 1400 5050 50  0001 C CNN
	1    1400 5050
	1    0    0    -1  
$EndComp
Wire Wire Line
	2450 5150 2550 5150
Wire Wire Line
	2550 5150 2550 5400
Wire Wire Line
	2550 5400 2600 5400
Wire Wire Line
	1400 5150 1700 5150
Wire Wire Line
	2000 5150 2150 5150
Wire Wire Line
	2000 5150 2000 5500
Wire Wire Line
	2000 5500 2600 5500
Connection ~ 2000 5150
Wire Wire Line
	2000 5600 2000 5500
Connection ~ 2000 5500
$Comp
L Device:C C5
U 1 1 5BEB8560
P 1700 5400
F 0 "C5" H 1750 5600 50  0000 L CNN
F 1 "4.7uF" H 1750 5500 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1738 5250 50  0001 C CNN
F 3 "~" H 1700 5400 50  0001 C CNN
	1    1700 5400
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 5BEBA6B9
P 1400 5400
F 0 "C2" H 1450 5600 50  0000 L CNN
F 1 "4.7uF" H 1450 5500 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1438 5250 50  0001 C CNN
F 3 "~" H 1400 5400 50  0001 C CNN
	1    1400 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	1400 5050 1400 5150
Wire Wire Line
	1400 5150 1400 5250
Connection ~ 1400 5150
Wire Wire Line
	1700 5250 1700 5150
Connection ~ 1700 5150
Wire Wire Line
	1700 5150 2000 5150
Wire Wire Line
	1400 5550 1400 5600
Wire Wire Line
	1400 5600 1700 5600
Wire Wire Line
	1700 5600 1700 5550
$Comp
L power:GND #PWR0105
U 1 1 5BEC3FEC
P 1400 5650
F 0 "#PWR0105" H 1400 5400 50  0001 C CNN
F 1 "GND" H 1405 5477 50  0000 C CNN
F 2 "" H 1400 5650 50  0001 C CNN
F 3 "" H 1400 5650 50  0001 C CNN
	1    1400 5650
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1400 5650 1400 5600
Connection ~ 1400 5600
$Comp
L Device:R R7
U 1 1 5BEC803F
P 3600 5600
F 0 "R7" H 3670 5646 50  0000 L CNN
F 1 "1M" H 3670 5555 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 3530 5600 50  0001 C CNN
F 3 "~" H 3600 5600 50  0001 C CNN
	1    3600 5600
	1    0    0    -1  
$EndComp
Wire Wire Line
	3200 5400 3600 5400
Wire Wire Line
	3600 5400 3600 5450
$Comp
L Device:R R8
U 1 1 5BECCF27
P 3600 6000
F 0 "R8" H 3670 6046 50  0000 L CNN
F 1 "640k" H 3670 5955 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 3530 6000 50  0001 C CNN
F 3 "~" H 3600 6000 50  0001 C CNN
	1    3600 6000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3600 5750 3600 5800
Wire Wire Line
	3600 5800 3450 5800
Wire Wire Line
	3450 5800 3450 5500
Wire Wire Line
	3450 5500 3200 5500
Connection ~ 3600 5800
Wire Wire Line
	3600 5800 3600 5850
$Comp
L power:GND #PWR0106
U 1 1 5BED5A4B
P 3300 6250
F 0 "#PWR0106" H 3300 6000 50  0001 C CNN
F 1 "GND" H 3305 6077 50  0000 C CNN
F 2 "" H 3300 6250 50  0001 C CNN
F 3 "" H 3300 6250 50  0001 C CNN
	1    3300 6250
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3200 5600 3300 5600
Wire Wire Line
	3300 5600 3300 6200
Wire Wire Line
	3600 6150 3600 6200
Wire Wire Line
	3600 6200 3300 6200
Connection ~ 3300 6200
Wire Wire Line
	3300 6200 3300 6250
$Comp
L Device:C C14
U 1 1 5BEE5143
P 4250 5800
F 0 "C14" H 4300 6000 50  0000 L CNN
F 1 "4.7uF" H 4300 5900 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4288 5650 50  0001 C CNN
F 3 "~" H 4250 5800 50  0001 C CNN
	1    4250 5800
	1    0    0    -1  
$EndComp
$Comp
L Device:C C15
U 1 1 5BEE8D6E
P 4550 5800
F 0 "C15" H 4600 6000 50  0000 L CNN
F 1 "4.7uF" H 4600 5900 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4588 5650 50  0001 C CNN
F 3 "~" H 4550 5800 50  0001 C CNN
	1    4550 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3600 5400 3950 5400
Wire Wire Line
	4250 5400 4250 5650
Connection ~ 3600 5400
Wire Wire Line
	4250 5400 4550 5400
Wire Wire Line
	4550 5400 4550 5650
Connection ~ 4250 5400
Wire Wire Line
	4250 5950 4250 6200
Wire Wire Line
	4250 6200 3950 6200
Connection ~ 3600 6200
Wire Wire Line
	4250 6200 4550 6200
Wire Wire Line
	4550 6200 4550 5950
Connection ~ 4250 6200
$Comp
L power:+3V3 #PWR0107
U 1 1 5BEF8C2A
P 4550 5050
F 0 "#PWR0107" H 4550 4900 50  0001 C CNN
F 1 "+3V3" H 4565 5223 50  0000 C CNN
F 2 "" H 4550 5050 50  0001 C CNN
F 3 "" H 4550 5050 50  0001 C CNN
	1    4550 5050
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4550 5400 4550 5050
Connection ~ 4550 5400
$Comp
L ESP32-footprints-Shem-Lib:ESP32-WROOM U6
U 1 1 5BF01497
P 8900 2350
F 0 "U6" H 8875 3737 60  0000 C CNN
F 1 "ESP32-WROOM" H 8875 3631 60  0000 C CNN
F 2 "ESP32-footprints-Lib:ESP32-WROOM" H 9250 3700 60  0001 C CNN
F 3 "" H 8450 2800 60  0001 C CNN
	1    8900 2350
	1    0    0    -1  
$EndComp
$Comp
L VFD_Watch-rescue:FT231XS-Interface_USB U4
U 1 1 5BE511C0
P 3500 1850
F 0 "U4" H 3500 2931 50  0000 C CNN
F 1 "FT231XS" H 3500 2840 50  0000 C CNN
F 2 "Package_SO:SSOP-20_3.9x8.7mm_P0.635mm" H 4100 900 50  0001 C CNN
F 3 "http://www.ftdichip.com/Products/ICs/FT231X.html" H 3500 1850 50  0001 C CNN
	1    3500 1850
	1    0    0    -1  
$EndComp
$Comp
L Device:C C13
U 1 1 5BE81708
P 3950 5800
F 0 "C13" H 4000 6000 50  0000 L CNN
F 1 "1uF" H 4000 5900 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3988 5650 50  0001 C CNN
F 3 "~" H 3950 5800 50  0001 C CNN
	1    3950 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 5650 3950 5400
Connection ~ 3950 5400
Wire Wire Line
	3950 5400 4250 5400
Wire Wire Line
	3950 5950 3950 6200
Connection ~ 3950 6200
Wire Wire Line
	3950 6200 3600 6200
$Comp
L Device:L L1
U 1 1 5BE8DB9C
P 2300 5150
F 0 "L1" V 2119 5150 50  0000 C CNN
F 1 "10uH" V 2210 5150 50  0000 C CNN
F 2 "Inductor_SMD:L_Taiyo-Yuden_MD-5050" H 2300 5150 50  0001 C CNN
F 3 "~" H 2300 5150 50  0001 C CNN
	1    2300 5150
	0    1    1    0   
$EndComp
$Comp
L Connector:USB_B_Micro J1
U 1 1 5BE988CD
P 900 1550
F 0 "J1" H 957 2017 50  0000 C CNN
F 1 "USB_B_Micro" H 957 1926 50  0000 C CNN
F 2 "Connector_USB:USB_Micro-B_Molex_47346-0001" H 1050 1500 50  0001 C CNN
F 3 "~" H 1050 1500 50  0001 C CNN
	1    900  1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	1200 1350 1300 1350
Wire Wire Line
	1900 1350 1900 900 
Wire Wire Line
	1900 900  2200 900 
Wire Wire Line
	3400 900  3400 950 
$Comp
L Device:R_Small R3
U 1 1 5BEA9F82
P 1950 1550
F 0 "R3" V 1900 1400 50  0000 C CNN
F 1 "27" V 1900 1700 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 1950 1550 50  0001 C CNN
F 3 "~" H 1950 1550 50  0001 C CNN
	1    1950 1550
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R4
U 1 1 5BEB1CC4
P 1950 1650
F 0 "R4" V 1900 1500 50  0000 C CNN
F 1 "27" V 1900 1800 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 1950 1650 50  0001 C CNN
F 3 "~" H 1950 1650 50  0001 C CNN
	1    1950 1650
	0    1    1    0   
$EndComp
Wire Wire Line
	1850 1650 1700 1650
Wire Wire Line
	1200 1550 1450 1550
Wire Wire Line
	2800 1250 2700 1250
Wire Wire Line
	2700 1250 2700 700 
Wire Wire Line
	2700 700  3600 700 
Wire Wire Line
	3600 700  3600 950 
Wire Wire Line
	2700 1250 2700 1850
Wire Wire Line
	2700 1850 2800 1850
Connection ~ 2700 1250
$Comp
L Device:C C10
U 1 1 5BED1A7F
P 2700 2100
F 0 "C10" H 2700 2300 50  0000 L CNN
F 1 "100nF" H 2700 2200 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2738 1950 50  0001 C CNN
F 3 "~" H 2700 2100 50  0001 C CNN
	1    2700 2100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2700 1950 2700 1850
Connection ~ 2700 1850
$Comp
L power:GND #PWR0108
U 1 1 5BEE85AA
P 2700 2450
F 0 "#PWR0108" H 2700 2200 50  0001 C CNN
F 1 "GND" H 2705 2277 50  0000 C CNN
F 2 "" H 2700 2450 50  0001 C CNN
F 3 "" H 2700 2450 50  0001 C CNN
	1    2700 2450
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2700 2450 2700 2250
$Comp
L Device:C C4
U 1 1 5BEEEE27
P 1700 2100
F 0 "C4" H 1700 2300 50  0000 L CNN
F 1 "47pF" H 1700 2200 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1738 1950 50  0001 C CNN
F 3 "~" H 1700 2100 50  0001 C CNN
	1    1700 2100
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 5BEF03B6
P 1450 2100
F 0 "C3" H 1450 2300 50  0000 L CNN
F 1 "47pF" H 1450 2200 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1488 1950 50  0001 C CNN
F 3 "~" H 1450 2100 50  0001 C CNN
	1    1450 2100
	1    0    0    -1  
$EndComp
Wire Wire Line
	1450 1950 1450 1550
$Comp
L power:GND #PWR0109
U 1 1 5BEFF736
P 1700 2450
F 0 "#PWR0109" H 1700 2200 50  0001 C CNN
F 1 "GND" H 1705 2277 50  0000 C CNN
F 2 "" H 1700 2450 50  0001 C CNN
F 3 "" H 1700 2450 50  0001 C CNN
	1    1700 2450
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0110
U 1 1 5BF00E19
P 1450 2450
F 0 "#PWR0110" H 1450 2200 50  0001 C CNN
F 1 "GND" H 1455 2277 50  0000 C CNN
F 2 "" H 1450 2450 50  0001 C CNN
F 3 "" H 1450 2450 50  0001 C CNN
	1    1450 2450
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1450 2250 1450 2450
Wire Wire Line
	1700 2450 1700 2250
Wire Wire Line
	1450 1550 1850 1550
Connection ~ 1450 1550
Wire Wire Line
	1700 1950 1700 1650
Connection ~ 1700 1650
Wire Wire Line
	1700 1650 1200 1650
$Comp
L Device:C C9
U 1 1 5BF261CF
P 2450 2100
F 0 "C9" H 2450 2300 50  0000 L CNN
F 1 "100nF" H 2450 2200 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2488 1950 50  0001 C CNN
F 3 "~" H 2450 2100 50  0001 C CNN
	1    2450 2100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2450 1950 2450 900 
Connection ~ 2450 900 
Wire Wire Line
	2450 900  3400 900 
$Comp
L power:GND #PWR0111
U 1 1 5BF2B679
P 2450 2450
F 0 "#PWR0111" H 2450 2200 50  0001 C CNN
F 1 "GND" H 2455 2277 50  0000 C CNN
F 2 "" H 2450 2450 50  0001 C CNN
F 3 "" H 2450 2450 50  0001 C CNN
	1    2450 2450
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2450 2450 2450 2250
Wire Wire Line
	800  1950 800  2000
Wire Wire Line
	800  2000 900  2000
Wire Wire Line
	900  2000 900  1950
$Comp
L power:GND #PWR0112
U 1 1 5BF3C2D1
P 900 2450
F 0 "#PWR0112" H 900 2200 50  0001 C CNN
F 1 "GND" H 905 2277 50  0000 C CNN
F 2 "" H 900 2450 50  0001 C CNN
F 3 "" H 900 2450 50  0001 C CNN
	1    900  2450
	-1   0    0    -1  
$EndComp
Wire Wire Line
	900  2450 900  2000
Connection ~ 900  2000
$Comp
L Device:C C8
U 1 1 5BF4E391
P 2200 2100
F 0 "C8" H 2200 2300 50  0000 L CNN
F 1 "4.7uF" H 2200 2200 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2238 1950 50  0001 C CNN
F 3 "~" H 2200 2100 50  0001 C CNN
	1    2200 2100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2200 1950 2200 900 
Connection ~ 2200 900 
Wire Wire Line
	2200 900  2450 900 
$Comp
L power:GND #PWR0113
U 1 1 5BF59023
P 2200 2450
F 0 "#PWR0113" H 2200 2200 50  0001 C CNN
F 1 "GND" H 2205 2277 50  0000 C CNN
F 2 "" H 2200 2450 50  0001 C CNN
F 3 "" H 2200 2450 50  0001 C CNN
	1    2200 2450
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2200 2450 2200 2250
Text GLabel 4200 1450 2    50   Input ~ 0
RTS
Text GLabel 4200 1650 2    50   Input ~ 0
DTR
NoConn ~ 4200 2450
NoConn ~ 4200 2350
NoConn ~ 4200 2250
NoConn ~ 4200 2150
NoConn ~ 4200 1950
NoConn ~ 4200 1850
NoConn ~ 4200 1750
NoConn ~ 4200 1550
$Comp
L Transistor_BJT:MBT3904DW1 Q1
U 1 1 5BF9DDE8
P 5200 1900
F 0 "Q1" H 5391 1946 50  0000 L CNN
F 1 "MBT3904DW1" H 5391 1855 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-363_SC-70-6" H 5400 2000 50  0001 C CNN
F 3 "http://www.onsemi.com/pub_link/Collateral/MBT3904DW1T1-D.PDF" H 5200 1900 50  0001 C CNN
	1    5200 1900
	-1   0    0    -1  
$EndComp
Text GLabel 9800 1800 2    50   Input ~ 0
TXD0
Text GLabel 9800 1900 2    50   Input ~ 0
RXD0
Text GLabel 4200 1250 2    50   Input ~ 0
RXD0
Text GLabel 4200 1350 2    50   Input ~ 0
TXD0
$Comp
L power:GND #PWR0114
U 1 1 5BFB98B7
P 3400 2900
F 0 "#PWR0114" H 3400 2650 50  0001 C CNN
F 1 "GND" H 3405 2727 50  0000 C CNN
F 2 "" H 3400 2900 50  0001 C CNN
F 3 "" H 3400 2900 50  0001 C CNN
	1    3400 2900
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3400 2900 3400 2800
Wire Wire Line
	3400 2800 3600 2800
Wire Wire Line
	3600 2800 3600 2750
Connection ~ 3400 2800
Wire Wire Line
	3400 2800 3400 2750
$Comp
L Transistor_BJT:MBT3904DW1 Q1
U 2 1 5BFC5F0E
P 5700 1650
F 0 "Q1" H 5890 1604 50  0000 L CNN
F 1 "MBT3904DW1" H 5890 1695 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-363_SC-70-6" H 5900 1750 50  0001 C CNN
F 3 "http://www.onsemi.com/pub_link/Collateral/MBT3904DW1T1-D.PDF" H 5700 1650 50  0001 C CNN
	2    5700 1650
	1    0    0    1   
$EndComp
Wire Wire Line
	5500 1650 5450 1650
Wire Wire Line
	5450 1650 5450 1400
Wire Wire Line
	5800 1450 5800 1100
Wire Wire Line
	5400 1900 5450 1900
Wire Wire Line
	5450 1900 5450 2150
Wire Wire Line
	5100 2100 5100 2450
Wire Wire Line
	5800 1850 5800 2450
Wire Wire Line
	5100 1700 5100 1100
$Comp
L Device:R R13
U 1 1 5C03220C
P 5450 2300
F 0 "R13" H 5520 2346 50  0000 L CNN
F 1 "10k" H 5520 2255 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 5380 2300 50  0001 C CNN
F 3 "~" H 5450 2300 50  0001 C CNN
	1    5450 2300
	1    0    0    -1  
$EndComp
$Comp
L Device:R R12
U 1 1 5C035817
P 5450 1250
F 0 "R12" H 5520 1296 50  0000 L CNN
F 1 "10k" H 5520 1205 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 5380 1250 50  0001 C CNN
F 3 "~" H 5450 1250 50  0001 C CNN
	1    5450 1250
	1    0    0    -1  
$EndComp
Text GLabel 5450 1100 1    50   Input ~ 0
RTS
Text GLabel 5100 2450 3    50   Input ~ 0
RTS
Text GLabel 5800 1100 1    50   Input ~ 0
DTR
Text GLabel 5450 2450 3    50   Input ~ 0
DTR
Text GLabel 10500 2800 2    50   Input ~ 0
IO0
Text GLabel 5800 2450 3    50   Input ~ 0
IO0
$Comp
L power:+3V3 #PWR0115
U 1 1 5C0861BE
P 7750 750
F 0 "#PWR0115" H 7750 600 50  0001 C CNN
F 1 "+3V3" H 7765 923 50  0000 C CNN
F 2 "" H 7750 750 50  0001 C CNN
F 3 "" H 7750 750 50  0001 C CNN
	1    7750 750 
	1    0    0    -1  
$EndComp
Wire Wire Line
	7750 750  7750 800 
Wire Wire Line
	7750 1750 7950 1750
$Comp
L Device:R R16
U 1 1 5C093024
P 7150 1650
F 0 "R16" H 7220 1696 50  0000 L CNN
F 1 "10k" H 7220 1605 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 7080 1650 50  0001 C CNN
F 3 "~" H 7150 1650 50  0001 C CNN
	1    7150 1650
	1    0    0    -1  
$EndComp
Wire Wire Line
	7150 1500 7150 1450
Wire Wire Line
	7150 1450 7750 1450
Connection ~ 7750 1450
Wire Wire Line
	7750 1450 7750 1750
Wire Wire Line
	7150 1800 7150 1850
Wire Wire Line
	7150 1850 7950 1850
$Comp
L power:GND #PWR0116
U 1 1 5C0A5AEB
P 7150 2350
F 0 "#PWR0116" H 7150 2100 50  0001 C CNN
F 1 "GND" H 7155 2177 50  0000 C CNN
F 2 "" H 7150 2350 50  0001 C CNN
F 3 "" H 7150 2350 50  0001 C CNN
	1    7150 2350
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW3
U 1 1 5C0A6DC7
P 7150 2100
F 0 "SW3" V 7196 2052 50  0000 R CNN
F 1 "B_RES" V 7105 2052 50  0000 R CNN
F 2 "Button_Switch_SMD:SW_SPST_EVQP7A" H 7150 2300 50  0001 C CNN
F 3 "" H 7150 2300 50  0001 C CNN
	1    7150 2100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7150 1900 7150 1850
Connection ~ 7150 1850
Wire Wire Line
	7150 2300 7150 2350
Text GLabel 6750 1850 0    50   Input ~ 0
ENABLE
Wire Wire Line
	6750 1850 6800 1850
Text GLabel 5100 1100 1    50   Input ~ 0
ENABLE
$Comp
L power:VBUS #PWR0117
U 1 1 5C11991B
P 1300 1250
F 0 "#PWR0117" H 1300 1100 50  0001 C CNN
F 1 "VBUS" H 1315 1423 50  0000 C CNN
F 2 "" H 1300 1250 50  0001 C CNN
F 3 "" H 1300 1250 50  0001 C CNN
	1    1300 1250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1300 1350 1300 1250
Connection ~ 1300 1350
Wire Wire Line
	1300 1350 1900 1350
$Comp
L power:GND #PWR0118
U 1 1 5C149E0A
P 8450 3800
F 0 "#PWR0118" H 8450 3550 50  0001 C CNN
F 1 "GND" H 8455 3627 50  0000 C CNN
F 2 "" H 8450 3800 50  0001 C CNN
F 3 "" H 8450 3800 50  0001 C CNN
	1    8450 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	8450 3800 7850 3800
Wire Wire Line
	7850 3800 7850 3050
Wire Wire Line
	7850 3050 7950 3050
Wire Wire Line
	9850 3800 9850 3000
Wire Wire Line
	9850 3000 9800 3000
Wire Wire Line
	8450 3800 9850 3800
$Comp
L Device:C C18
U 1 1 5C1880C2
P 6800 2150
F 0 "C18" H 6800 2350 50  0000 L CNN
F 1 "100nF" H 6800 2250 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 6838 2000 50  0001 C CNN
F 3 "~" H 6800 2150 50  0001 C CNN
	1    6800 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	6800 2000 6800 1850
Connection ~ 6800 1850
Wire Wire Line
	6800 1850 7150 1850
$Comp
L power:GND #PWR0119
U 1 1 5C19D741
P 6800 2350
F 0 "#PWR0119" H 6800 2100 50  0001 C CNN
F 1 "GND" H 6805 2177 50  0000 C CNN
F 2 "" H 6800 2350 50  0001 C CNN
F 3 "" H 6800 2350 50  0001 C CNN
	1    6800 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	6800 2350 6800 2300
$Comp
L Device:R R17
U 1 1 5C1C0D8C
P 10400 2600
F 0 "R17" H 10470 2646 50  0000 L CNN
F 1 "10k" H 10470 2555 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 10330 2600 50  0001 C CNN
F 3 "~" H 10400 2600 50  0001 C CNN
	1    10400 2600
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0120
U 1 1 5C1D8090
P 10400 2400
F 0 "#PWR0120" H 10400 2250 50  0001 C CNN
F 1 "+3V3" H 10415 2573 50  0000 C CNN
F 2 "" H 10400 2400 50  0001 C CNN
F 3 "" H 10400 2400 50  0001 C CNN
	1    10400 2400
	1    0    0    -1  
$EndComp
Wire Wire Line
	10400 2400 10400 2450
Wire Wire Line
	10500 2800 10400 2800
Wire Wire Line
	10400 2750 10400 2800
Connection ~ 10400 2800
Wire Wire Line
	10400 2800 9800 2800
$Comp
L Switch:SW_Push SW4
U 1 1 5C1EE015
P 10400 3050
F 0 "SW4" V 10446 3002 50  0000 R CNN
F 1 "B_0" V 10355 3002 50  0000 R CNN
F 2 "Button_Switch_SMD:SW_SPST_EVQP7A" H 10400 3250 50  0001 C CNN
F 3 "" H 10400 3250 50  0001 C CNN
	1    10400 3050
	0    -1   -1   0   
$EndComp
Wire Wire Line
	10400 2850 10400 2800
$Comp
L power:GND #PWR0121
U 1 1 5C1FA8C7
P 10400 3300
F 0 "#PWR0121" H 10400 3050 50  0001 C CNN
F 1 "GND" H 10405 3127 50  0000 C CNN
F 2 "" H 10400 3300 50  0001 C CNN
F 3 "" H 10400 3300 50  0001 C CNN
	1    10400 3300
	1    0    0    -1  
$EndComp
Wire Wire Line
	10400 3300 10400 3250
Wire Wire Line
	9800 2900 9850 2900
Wire Wire Line
	9850 2900 9850 3000
Connection ~ 9850 3000
Wire Wire Line
	1100 3500 1050 3500
Wire Wire Line
	850  3500 850  3350
$Comp
L power:VBUS #PWR0122
U 1 1 5C25EF8A
P 850 3350
F 0 "#PWR0122" H 850 3200 50  0001 C CNN
F 1 "VBUS" H 865 3523 50  0000 C CNN
F 2 "" H 850 3350 50  0001 C CNN
F 3 "" H 850 3350 50  0001 C CNN
	1    850  3350
	1    0    0    -1  
$EndComp
Wire Wire Line
	2150 3500 2150 3350
$Comp
L power:+3V3 #PWR0123
U 1 1 5C27FF94
P 2150 3350
F 0 "#PWR0123" H 2150 3200 50  0001 C CNN
F 1 "+3V3" H 2165 3523 50  0000 C CNN
F 2 "" H 2150 3350 50  0001 C CNN
F 3 "" H 2150 3350 50  0001 C CNN
	1    2150 3350
	-1   0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 5C2932A9
P 850 3650
F 0 "C1" H 850 3850 50  0000 L CNN
F 1 "4.7uF" H 850 3750 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 888 3500 50  0001 C CNN
F 3 "~" H 850 3650 50  0001 C CNN
	1    850  3650
	1    0    0    -1  
$EndComp
Connection ~ 850  3500
$Comp
L Device:C C6
U 1 1 5C2A73BE
P 2150 3650
F 0 "C6" H 2150 3850 50  0000 L CNN
F 1 "4.7uF" H 2150 3750 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2188 3500 50  0001 C CNN
F 3 "~" H 2150 3650 50  0001 C CNN
	1    2150 3650
	1    0    0    -1  
$EndComp
$Comp
L Device:C C7
U 1 1 5C2BCDFC
P 1800 3800
F 0 "C7" H 1800 4000 50  0000 L CNN
F 1 "470pF" H 1800 3900 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1838 3650 50  0001 C CNN
F 3 "~" H 1800 3800 50  0001 C CNN
	1    1800 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	850  3800 850  4050
Wire Wire Line
	850  4050 1400 4050
Wire Wire Line
	1400 4050 1400 3900
Connection ~ 1400 4050
Wire Wire Line
	1400 4050 1800 4050
Wire Wire Line
	2150 4050 2150 3800
$Comp
L power:GND #PWR0124
U 1 1 5C2E32D5
P 1400 4150
F 0 "#PWR0124" H 1400 3900 50  0001 C CNN
F 1 "GND" H 1405 3977 50  0000 C CNN
F 2 "" H 1400 4150 50  0001 C CNN
F 3 "" H 1400 4150 50  0001 C CNN
	1    1400 4150
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1400 4150 1400 4050
$Comp
L Device:Battery_Cell BT1
U 1 1 5BE75EDD
P 850 5450
F 0 "BT1" H 900 5700 50  0000 L CNN
F 1 "AA BK-92" H 900 5600 50  0000 L CNN
F 2 "VFD_Watch:BK-92" V 850 5510 50  0001 C CNN
F 3 "~" V 850 5510 50  0001 C CNN
	1    850  5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	850  5250 850  5150
Wire Wire Line
	850  5150 1400 5150
Wire Wire Line
	850  5550 850  5600
Wire Wire Line
	850  5600 1400 5600
Text GLabel 3750 4150 2    50   Input ~ 0
EN_24V
Text GLabel 9350 3400 3    50   Input ~ 0
EN_24V
$Comp
L Device:R R9
U 1 1 5C344671
P 3900 4000
F 0 "R9" V 4000 4050 50  0000 L CNN
F 1 "10k" V 4000 3850 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 3830 4000 50  0001 C CNN
F 3 "~" H 3900 4000 50  0001 C CNN
	1    3900 4000
	0    -1   -1   0   
$EndComp
Wire Wire Line
	3750 4000 3700 4000
Wire Wire Line
	3700 4000 3700 4150
Wire Wire Line
	3700 4150 3750 4150
$Comp
L VFD_Components:DRV8837C U2
U 1 1 5C36A492
P 8800 4800
F 0 "U2" H 8800 5175 50  0000 C CNN
F 1 "DRV8837C" H 8800 5084 50  0000 C CNN
F 2 "Package_SON:WSON-8-1EP_2x2mm_P0.5mm_EP0.9x1.6mm" H 8800 4800 50  0001 C CNN
F 3 "" H 8800 4800 50  0001 C CNN
	1    8800 4800
	-1   0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0125
U 1 1 5C37B1DD
P 9250 4550
F 0 "#PWR0125" H 9250 4400 50  0001 C CNN
F 1 "+3V3" H 9265 4723 50  0000 C CNN
F 2 "" H 9250 4550 50  0001 C CNN
F 3 "" H 9250 4550 50  0001 C CNN
	1    9250 4550
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0126
U 1 1 5C37D630
P 8350 4550
F 0 "#PWR0126" H 8350 4400 50  0001 C CNN
F 1 "+3V3" H 8365 4723 50  0000 C CNN
F 2 "" H 8350 4550 50  0001 C CNN
F 3 "" H 8350 4550 50  0001 C CNN
	1    8350 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	8400 4650 8350 4650
Wire Wire Line
	8350 4650 8350 4550
Wire Wire Line
	9250 4550 9250 4650
Wire Wire Line
	9250 4650 9200 4650
Text GLabel 8400 4850 0    50   Input ~ 0
HEAT_INT1
Text GLabel 8400 4950 0    50   Input ~ 0
HEAT_INT2
$Comp
L power:GND #PWR0127
U 1 1 5C3BF53E
P 9250 5000
F 0 "#PWR0127" H 9250 4750 50  0001 C CNN
F 1 "GND" H 9255 4827 50  0000 C CNN
F 2 "" H 9250 5000 50  0001 C CNN
F 3 "" H 9250 5000 50  0001 C CNN
	1    9250 5000
	1    0    0    -1  
$EndComp
Wire Wire Line
	9250 5000 9250 4950
Wire Wire Line
	9250 4950 9200 4950
$Comp
L Device:R R1
U 1 1 5C3DA8D9
P 9550 4650
F 0 "R1" V 9450 4650 50  0000 C CNN
F 1 "0R" V 9650 4650 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 9480 4650 50  0001 C CNN
F 3 "~" H 9550 4650 50  0001 C CNN
	1    9550 4650
	0    1    -1   0   
$EndComp
$Comp
L Device:R R2
U 1 1 5C3DFCF8
P 9550 4950
F 0 "R2" V 9450 4950 50  0000 C CNN
F 1 "0R" V 9650 4950 50  0000 C CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 9480 4950 50  0001 C CNN
F 3 "~" H 9550 4950 50  0001 C CNN
	1    9550 4950
	0    1    -1   0   
$EndComp
Wire Wire Line
	9400 4950 9300 4950
Wire Wire Line
	9300 4950 9300 4850
Wire Wire Line
	9300 4850 9200 4850
Wire Wire Line
	9200 4750 9300 4750
Wire Wire Line
	9300 4750 9300 4650
Wire Wire Line
	9300 4650 9400 4650
$Comp
L power:+BATT #PWR0128
U 1 1 5C4DB255
P 7500 2100
F 0 "#PWR0128" H 7500 1950 50  0001 C CNN
F 1 "+BATT" H 7515 2273 50  0000 C CNN
F 2 "" H 7500 2100 50  0001 C CNN
F 3 "" H 7500 2100 50  0001 C CNN
	1    7500 2100
	1    0    0    -1  
$EndComp
Wire Wire Line
	7750 2150 7950 2150
Connection ~ 8450 3800
Wire Wire Line
	8450 3400 8450 3800
Text GLabel 9800 2400 2    50   Input ~ 0
HEAT_INT1
Text GLabel 9800 2500 2    50   Input ~ 0
HEAT_INT2
$Comp
L Device:R R6
U 1 1 5C60F79B
P 8150 4750
F 0 "R6" V 8050 4750 50  0000 C CNN
F 1 "10k" V 7950 4750 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 8080 4750 50  0001 C CNN
F 3 "~" H 8150 4750 50  0001 C CNN
	1    8150 4750
	0    -1   1    0   
$EndComp
Wire Wire Line
	8400 4750 8300 4750
Text GLabel 8000 4750 0    50   Input ~ 0
HEAT_nSleep
Text GLabel 9800 2300 2    50   Input ~ 0
HEAT_nSleep
$Comp
L Switch:SW_Push SW1
U 1 1 5C633EDA
P 5700 5300
F 0 "SW1" H 5700 5585 50  0000 C CNN
F 1 "B1" H 5700 5494 50  0000 C CNN
F 2 "Button_Switch_SMD:SW_SPST_EVQP7A" H 5700 5500 50  0001 C CNN
F 3 "" H 5700 5500 50  0001 C CNN
	1    5700 5300
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW2
U 1 1 5C635779
P 5700 5950
F 0 "SW2" H 5700 6235 50  0000 C CNN
F 1 "B2" H 5700 6144 50  0000 C CNN
F 2 "Button_Switch_SMD:SW_SPST_EVQP7A" H 5700 6150 50  0001 C CNN
F 3 "" H 5700 6150 50  0001 C CNN
	1    5700 5950
	1    0    0    -1  
$EndComp
$Comp
L Device:R R14
U 1 1 5C63F7B0
P 5950 5050
F 0 "R14" V 6050 5100 50  0000 L CNN
F 1 "10k" V 6050 4900 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 5880 5050 50  0001 C CNN
F 3 "~" H 5950 5050 50  0001 C CNN
	1    5950 5050
	1    0    0    -1  
$EndComp
$Comp
L Device:R R15
U 1 1 5C647568
P 5950 5700
F 0 "R15" V 6050 5750 50  0000 L CNN
F 1 "10k" V 6050 5550 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 5880 5700 50  0001 C CNN
F 3 "~" H 5950 5700 50  0001 C CNN
	1    5950 5700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5900 5950 5950 5950
Wire Wire Line
	5950 5950 5950 5850
Wire Wire Line
	5900 5300 5950 5300
Wire Wire Line
	5950 5300 5950 5200
Wire Wire Line
	5950 4900 5950 4850
Wire Wire Line
	5500 5300 5450 5300
Wire Wire Line
	5450 5300 5450 5950
Wire Wire Line
	5450 5950 5500 5950
$Comp
L power:GND #PWR0129
U 1 1 5C6BFC62
P 5450 5950
F 0 "#PWR0129" H 5450 5700 50  0001 C CNN
F 1 "GND" H 5455 5777 50  0000 C CNN
F 2 "" H 5450 5950 50  0001 C CNN
F 3 "" H 5450 5950 50  0001 C CNN
	1    5450 5950
	-1   0    0    -1  
$EndComp
Connection ~ 5450 5950
$Comp
L power:+3V3 #PWR0130
U 1 1 5C6C1989
P 5950 5550
F 0 "#PWR0130" H 5950 5400 50  0001 C CNN
F 1 "+3V3" H 5965 5723 50  0000 C CNN
F 2 "" H 5950 5550 50  0001 C CNN
F 3 "" H 5950 5550 50  0001 C CNN
	1    5950 5550
	-1   0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0131
U 1 1 5C6EC451
P 5950 4850
F 0 "#PWR0131" H 5950 4700 50  0001 C CNN
F 1 "+3V3" H 5965 5023 50  0000 C CNN
F 2 "" H 5950 4850 50  0001 C CNN
F 3 "" H 5950 4850 50  0001 C CNN
	1    5950 4850
	-1   0    0    -1  
$EndComp
Text GLabel 6050 5300 2    50   Input ~ 0
B_1
Text GLabel 6050 5950 2    50   Input ~ 0
B_2
Wire Wire Line
	5950 5950 6050 5950
Connection ~ 5950 5950
Wire Wire Line
	5950 5300 6050 5300
Connection ~ 5950 5300
Text GLabel 7950 2650 0    50   Input ~ 0
B_1
Text GLabel 7950 2250 0    50   Input ~ 0
B_2
Wire Wire Line
	2000 5600 2600 5600
$Comp
L Regulator_Linear:MIC5219-3.3YM5 U1
U 1 1 5C55C268
P 1400 3600
F 0 "U1" H 1400 3942 50  0000 C CNN
F 1 "MIC5219-3.3YM5" H 1400 3851 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 1400 3925 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/MIC5219-500mA-Peak-Output-LDO-Regulator-DS20006021A.pdf" H 1400 3600 50  0001 C CNN
	1    1400 3600
	1    0    0    -1  
$EndComp
Wire Wire Line
	1100 3600 1050 3600
Wire Wire Line
	1050 3600 1050 3500
Connection ~ 1050 3500
Wire Wire Line
	1050 3500 850  3500
Connection ~ 2150 3500
Wire Wire Line
	1700 3500 2150 3500
Wire Wire Line
	1700 3600 1800 3600
Wire Wire Line
	1800 3600 1800 3650
Wire Wire Line
	1800 3950 1800 4050
Connection ~ 1800 4050
Wire Wire Line
	1800 4050 2150 4050
$Sheet
S 10200 4500 800  650 
U 5C6CC728
F0 "VFD IO" 50
F1 "VFD_IO.sch" 50
F2 "SDA" I L 10200 4750 50 
F3 "SCK" I L 10200 4650 50 
F4 "HEAT1" I L 10200 4850 50 
F5 "HEAT2" I L 10200 4950 50 
F6 "IO_RESET" I L 10200 5050 50 
$EndSheet
Wire Wire Line
	10200 4850 9900 4850
Wire Wire Line
	9900 4850 9900 4650
Wire Wire Line
	9900 4650 9700 4650
Wire Wire Line
	10200 4950 9700 4950
Wire Wire Line
	10200 4750 10050 4750
Wire Wire Line
	10050 4750 10050 4000
Wire Wire Line
	10050 4000 10750 4000
Wire Wire Line
	10750 4000 10750 2000
Wire Wire Line
	10750 2000 10400 2000
Wire Wire Line
	10200 4650 10100 4650
Wire Wire Line
	10100 4650 10100 4050
Wire Wire Line
	10100 4050 10800 4050
Wire Wire Line
	10800 4050 10800 1700
Wire Wire Line
	10800 1700 10300 1700
NoConn ~ 7950 2350
NoConn ~ 7950 2450
NoConn ~ 8650 3400
NoConn ~ 8750 3400
NoConn ~ 8850 3400
NoConn ~ 8950 3400
NoConn ~ 9050 3400
NoConn ~ 9150 3400
Text GLabel 10200 5050 0    50   Input ~ 0
IO_RESET
Text GLabel 9800 1600 2    50   Input ~ 0
IO_RESET
$Comp
L Connector:Conn_01x04_Male J2
U 1 1 5C97D242
P 10750 1350
F 0 "J2" H 10722 1232 50  0000 R CNN
F 1 "I2C_Con" H 10722 1323 50  0000 R CNN
F 2 "Connector_PinHeader_1.27mm:PinHeader_1x04_P1.27mm_Vertical" H 10750 1350 50  0001 C CNN
F 3 "~" H 10750 1350 50  0001 C CNN
	1    10750 1350
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0132
U 1 1 5C98A859
P 10550 1450
F 0 "#PWR0132" H 10550 1200 50  0001 C CNN
F 1 "GND" H 10555 1277 50  0000 C CNN
F 2 "" H 10550 1450 50  0001 C CNN
F 3 "" H 10550 1450 50  0001 C CNN
	1    10550 1450
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0133
U 1 1 5C98D098
P 10550 1150
F 0 "#PWR0133" H 10550 1000 50  0001 C CNN
F 1 "+3V3" H 10565 1323 50  0000 C CNN
F 2 "" H 10550 1150 50  0001 C CNN
F 3 "" H 10550 1150 50  0001 C CNN
	1    10550 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	10300 1700 10300 1250
Wire Wire Line
	10300 1250 10550 1250
Connection ~ 10300 1700
Wire Wire Line
	10300 1700 9800 1700
Wire Wire Line
	10550 1350 10400 1350
Wire Wire Line
	10400 1350 10400 2000
Connection ~ 10400 2000
Wire Wire Line
	10400 2000 9800 2000
$Comp
L Device:C C19
U 1 1 5BF2EDC6
P 7200 1000
F 0 "C19" H 7315 1046 50  0000 L CNN
F 1 "10uF" H 7315 955 50  0000 L CNN
F 2 "Capacitor_SMD:C_1206_3216Metric" H 7238 850 50  0001 C CNN
F 3 "~" H 7200 1000 50  0001 C CNN
	1    7200 1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	7200 850  7200 800 
Wire Wire Line
	7200 800  7750 800 
Connection ~ 7750 800 
Wire Wire Line
	7750 800  7750 1450
$Comp
L power:GND #PWR0142
U 1 1 5BF4566A
P 7200 1200
F 0 "#PWR0142" H 7200 950 50  0001 C CNN
F 1 "GND" H 7205 1027 50  0000 C CNN
F 2 "" H 7200 1200 50  0001 C CNN
F 3 "" H 7200 1200 50  0001 C CNN
	1    7200 1200
	1    0    0    -1  
$EndComp
Wire Wire Line
	7200 1200 7200 1150
Wire Wire Line
	2550 1650 2800 1650
Wire Wire Line
	2050 1550 2250 1550
Wire Wire Line
	2250 1550 2250 1450
Wire Wire Line
	2250 1450 2550 1450
Wire Wire Line
	2550 1450 2550 1650
Wire Wire Line
	2050 1650 2350 1650
Wire Wire Line
	2350 1650 2350 1550
Wire Wire Line
	2350 1550 2800 1550
$Comp
L Device:R R18
U 1 1 5DC82C16
P 7500 2300
F 0 "R18" H 7570 2346 50  0000 L CNN
F 1 "10k" H 7570 2255 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 7430 2300 50  0001 C CNN
F 3 "~" H 7500 2300 50  0001 C CNN
	1    7500 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	7500 2100 7500 2150
$Comp
L Device:R R19
U 1 1 5DCCA3D6
P 7500 2700
F 0 "R19" H 7570 2746 50  0000 L CNN
F 1 "10k" H 7570 2655 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 7430 2700 50  0001 C CNN
F 3 "~" H 7500 2700 50  0001 C CNN
	1    7500 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	7500 2550 7500 2500
$Comp
L power:GND #PWR0143
U 1 1 5DCD8890
P 7500 2900
F 0 "#PWR0143" H 7500 2650 50  0001 C CNN
F 1 "GND" H 7505 2727 50  0000 C CNN
F 2 "" H 7500 2900 50  0001 C CNN
F 3 "" H 7500 2900 50  0001 C CNN
	1    7500 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	7500 2900 7500 2850
Wire Wire Line
	7750 2150 7750 2500
Wire Wire Line
	7750 2500 7500 2500
Connection ~ 7500 2500
Wire Wire Line
	7500 2500 7500 2450
$EndSCHEMATC