EESchema Schematic File Version 4
LIBS:dryer-buzz-pcb-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "Dryer Buzz PCB"
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Transistor_BJT:PN2222A Q3
U 1 1 5AF85004
P 7200 3700
F 0 "Q3" H 7391 3746 50  0000 L CNN
F 1 "PN2222A" H 7391 3655 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 7400 3625 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/PN/PN2222A.pdf" H 7200 3700 50  0001 L CNN
	1    7200 3700
	1    0    0    -1  
$EndComp
$Comp
L Transistor_BJT:PN2222A Q2
U 1 1 5AF85040
P 9750 1350
F 0 "Q2" H 9941 1396 50  0000 L CNN
F 1 "PN2222A" H 9941 1305 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 9950 1275 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/PN/PN2222A.pdf" H 9750 1350 50  0001 L CNN
	1    9750 1350
	1    0    0    -1  
$EndComp
$Comp
L Transistor_BJT:PN2222A Q1
U 1 1 5AF85068
P 9050 1350
F 0 "Q1" H 9241 1396 50  0000 L CNN
F 1 "PN2222A" H 9241 1305 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 9250 1275 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/PN/PN2222A.pdf" H 9050 1350 50  0001 L CNN
	1    9050 1350
	-1   0    0    -1  
$EndComp
$Comp
L Regulator_Linear:LM317_3PinPackage U1
U 1 1 5AF8545A
P 2550 1400
F 0 "U1" H 2550 1642 50  0000 C CNN
F 1 "LM317_3PinPackage" H 2550 1551 50  0000 C CNN
F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 2550 1650 50  0001 C CIN
F 3 "http://www.ti.com/lit/ds/symlink/lm317.pdf" H 2550 1400 50  0001 C CNN
	1    2550 1400
	1    0    0    -1  
$EndComp
$Comp
L Device:R R3
U 1 1 5AF855E5
P 2950 1650
F 0 "R3" H 3020 1696 50  0000 L CNN
F 1 "680" H 3020 1605 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 2880 1650 50  0001 C CNN
F 3 "~" H 2950 1650 50  0001 C CNN
	1    2950 1650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2850 1400 2950 1400
Wire Wire Line
	2950 1400 2950 1500
Wire Wire Line
	2550 1700 2550 1800
Wire Wire Line
	2550 1800 2950 1800
$Comp
L Device:R R5
U 1 1 5AF857EA
P 2950 1950
F 0 "R5" H 3020 1996 50  0000 L CNN
F 1 "1k" H 3020 1905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 2880 1950 50  0001 C CNN
F 3 "~" H 2950 1950 50  0001 C CNN
	1    2950 1950
	1    0    0    -1  
$EndComp
$Comp
L Device:R R6
U 1 1 5AF8585F
P 2950 2250
F 0 "R6" H 3020 2296 50  0000 L CNN
F 1 "100" H 3020 2205 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 2880 2250 50  0001 C CNN
F 3 "~" H 2950 2250 50  0001 C CNN
	1    2950 2250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0101
U 1 1 5AF859A7
P 2950 2400
F 0 "#PWR0101" H 2950 2150 50  0001 C CNN
F 1 "GND" H 2955 2227 50  0000 C CNN
F 2 "" H 2950 2400 50  0001 C CNN
F 3 "" H 2950 2400 50  0001 C CNN
	1    2950 2400
	1    0    0    -1  
$EndComp
Connection ~ 2950 1800
$Comp
L power:+3.3V #PWR0102
U 1 1 5AF85B02
P 3250 1400
F 0 "#PWR0102" H 3250 1250 50  0001 C CNN
F 1 "+3.3V" H 3265 1573 50  0000 C CNN
F 2 "" H 3250 1400 50  0001 C CNN
F 3 "" H 3250 1400 50  0001 C CNN
	1    3250 1400
	1    0    0    -1  
$EndComp
Wire Wire Line
	3250 1400 2950 1400
Connection ~ 2950 1400
Wire Wire Line
	2250 1400 1850 1400
$Comp
L power:VDC #PWR0103
U 1 1 5AF85C3D
P 1850 1300
F 0 "#PWR0103" H 1850 1200 50  0001 C CNN
F 1 "VDC" H 1850 1575 50  0000 C CNN
F 2 "" H 1850 1300 50  0001 C CNN
F 3 "" H 1850 1300 50  0001 C CNN
	1    1850 1300
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 5AF85CC7
P 1850 1650
F 0 "C1" H 1965 1696 50  0000 L CNN
F 1 "47uF 35V" H 1965 1605 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D6.3mm_P2.50mm" H 1888 1500 50  0001 C CNN
F 3 "~" H 1850 1650 50  0001 C CNN
	1    1850 1650
	1    0    0    -1  
$EndComp
Connection ~ 1850 1400
$Comp
L power:GND #PWR0104
U 1 1 5AF85D5B
P 1850 1900
F 0 "#PWR0104" H 1850 1650 50  0001 C CNN
F 1 "GND" H 1855 1727 50  0000 C CNN
F 2 "" H 1850 1900 50  0001 C CNN
F 3 "" H 1850 1900 50  0001 C CNN
	1    1850 1900
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 5AF85E05
P 3250 1550
F 0 "C2" H 3365 1596 50  0000 L CNN
F 1 "10uF 50V" H 3365 1505 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.00mm" H 3288 1400 50  0001 C CNN
F 3 "~" H 3250 1550 50  0001 C CNN
	1    3250 1550
	1    0    0    -1  
$EndComp
Connection ~ 3250 1400
$Comp
L power:GND #PWR0105
U 1 1 5AF85EF0
P 3250 1700
F 0 "#PWR0105" H 3250 1450 50  0001 C CNN
F 1 "GND" H 3255 1527 50  0000 C CNN
F 2 "" H 3250 1700 50  0001 C CNN
F 3 "" H 3250 1700 50  0001 C CNN
	1    3250 1700
	1    0    0    -1  
$EndComp
$Comp
L Device:C C3
U 1 1 5AF8634A
P 4650 3300
F 0 "C3" V 4398 3300 50  0000 C CNN
F 1 "2.2uF 50V" V 4489 3300 50  0000 C CNN
F 2 "Capacitor_THT:CP_Radial_D5.0mm_P2.00mm" H 4688 3150 50  0001 C CNN
F 3 "~" H 4650 3300 50  0001 C CNN
	1    4650 3300
	0    1    -1   0   
$EndComp
$Comp
L power:+3.3V #PWR0106
U 1 1 5AF86588
P 5800 2700
F 0 "#PWR0106" H 5800 2550 50  0001 C CNN
F 1 "+3.3V" H 5815 2873 50  0000 C CNN
F 2 "" H 5800 2700 50  0001 C CNN
F 3 "" H 5800 2700 50  0001 C CNN
	1    5800 2700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 5AF865AB
P 5800 4200
F 0 "#PWR0107" H 5800 3950 50  0001 C CNN
F 1 "GND" H 5805 4027 50  0000 C CNN
F 2 "" H 5800 4200 50  0001 C CNN
F 3 "" H 5800 4200 50  0001 C CNN
	1    5800 4200
	1    0    0    -1  
$EndComp
$Comp
L Device:R R9
U 1 1 5AF86A60
P 4200 2950
F 0 "R9" H 4270 2996 50  0000 L CNN
F 1 "10k" H 4270 2905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4130 2950 50  0001 C CNN
F 3 "~" H 4200 2950 50  0001 C CNN
	1    4200 2950
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 5AF86F3E
P 4200 4200
F 0 "#PWR0108" H 4200 3950 50  0001 C CNN
F 1 "GND" H 4205 4027 50  0000 C CNN
F 2 "" H 4200 4200 50  0001 C CNN
F 3 "" H 4200 4200 50  0001 C CNN
	1    4200 4200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 5AF86F63
P 7300 4200
F 0 "#PWR0109" H 7300 3950 50  0001 C CNN
F 1 "GND" H 7305 4027 50  0000 C CNN
F 2 "" H 7300 4200 50  0001 C CNN
F 3 "" H 7300 4200 50  0001 C CNN
	1    7300 4200
	-1   0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0110
U 1 1 5AF86F88
P 4200 2700
F 0 "#PWR0110" H 4200 2550 50  0001 C CNN
F 1 "+3.3V" H 4215 2873 50  0000 C CNN
F 2 "" H 4200 2700 50  0001 C CNN
F 3 "" H 4200 2700 50  0001 C CNN
	1    4200 2700
	1    0    0    -1  
$EndComp
$Comp
L Device:R R10
U 1 1 5AF8738B
P 6850 3700
F 0 "R10" V 6643 3700 50  0000 C CNN
F 1 "10k" V 6734 3700 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6780 3700 50  0001 C CNN
F 3 "~" H 6850 3700 50  0001 C CNN
	1    6850 3700
	0    1    1    0   
$EndComp
Wire Wire Line
	6700 3700 6400 3700
$Comp
L Device:R R8
U 1 1 5AF881FB
P 6800 2850
F 0 "R8" H 6730 2804 50  0000 R CNN
F 1 "10k" H 6730 2895 50  0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6730 2850 50  0001 C CNN
F 3 "~" H 6800 2850 50  0001 C CNN
	1    6800 2850
	-1   0    0    1   
$EndComp
$Comp
L power:+3.3V #PWR0111
U 1 1 5AF8842A
P 6800 2700
F 0 "#PWR0111" H 6800 2550 50  0001 C CNN
F 1 "+3.3V" H 6815 2873 50  0000 C CNN
F 2 "" H 6800 2700 50  0001 C CNN
F 3 "" H 6800 2700 50  0001 C CNN
	1    6800 2700
	-1   0    0    -1  
$EndComp
$Comp
L Device:R R7
U 1 1 5AF884E3
P 4700 2850
F 0 "R7" H 4630 2804 50  0000 R CNN
F 1 "10k" H 4630 2895 50  0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 4630 2850 50  0001 C CNN
F 3 "~" H 4700 2850 50  0001 C CNN
	1    4700 2850
	-1   0    0    1   
$EndComp
Wire Wire Line
	5200 3100 4700 3100
$Comp
L power:+3.3V #PWR0112
U 1 1 5AF886CF
P 4700 2700
F 0 "#PWR0112" H 4700 2550 50  0001 C CNN
F 1 "+3.3V" H 4715 2873 50  0000 C CNN
F 2 "" H 4700 2700 50  0001 C CNN
F 3 "" H 4700 2700 50  0001 C CNN
	1    4700 2700
	-1   0    0    -1  
$EndComp
$Comp
L Device:R R11
U 1 1 5AF886FA
P 6600 4050
F 0 "R11" H 6530 4004 50  0000 R CNN
F 1 "4.7k" H 6530 4095 50  0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 6530 4050 50  0001 C CNN
F 3 "~" H 6600 4050 50  0001 C CNN
	1    6600 4050
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0113
U 1 1 5AF889BE
P 6600 4200
F 0 "#PWR0113" H 6600 3950 50  0001 C CNN
F 1 "GND" H 6605 4027 50  0000 C CNN
F 2 "" H 6600 4200 50  0001 C CNN
F 3 "" H 6600 4200 50  0001 C CNN
	1    6600 4200
	-1   0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x03_Odd_Even J2
U 1 1 5AF88C79
P 9350 2000
F 0 "J2" H 9400 1700 50  0000 C CNN
F 1 "Conn_02x03_Odd_Even" H 9400 1800 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical" H 9350 2000 50  0001 C CNN
F 3 "~" H 9350 2000 50  0001 C CNN
	1    9350 2000
	1    0    0    -1  
$EndComp
$Comp
L Device:R R4
U 1 1 5AF89798
P 8700 1900
F 0 "R4" V 8493 1900 50  0000 C CNN
F 1 "100" V 8584 1900 50  0000 C CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 8630 1900 50  0001 C CNN
F 3 "~" H 8700 1900 50  0001 C CNN
	1    8700 1900
	0    1    1    0   
$EndComp
Wire Wire Line
	8850 1900 9150 1900
Text Label 8250 1900 0    50   ~ 0
ESP_RX
Wire Wire Line
	8250 1900 8550 1900
Wire Wire Line
	9150 2100 8250 2100
Text Label 8250 2100 0    50   ~ 0
ESP_TX
Text Label 6700 3200 2    50   ~ 0
ESP_RX
Wire Wire Line
	6700 3200 6400 3200
Text Label 6700 3000 2    50   ~ 0
ESP_TX
Wire Wire Line
	6700 3000 6400 3000
Wire Wire Line
	9650 1900 10050 1900
Wire Wire Line
	10050 1900 10050 1800
Wire Wire Line
	9650 2100 10050 2100
Wire Wire Line
	10050 2100 10050 2200
$Comp
L power:GND #PWR0114
U 1 1 5AF8B3A1
P 10050 2200
F 0 "#PWR0114" H 10050 1950 50  0001 C CNN
F 1 "GND" H 10055 2027 50  0000 C CNN
F 2 "" H 10050 2200 50  0001 C CNN
F 3 "" H 10050 2200 50  0001 C CNN
	1    10050 2200
	-1   0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0115
U 1 1 5AF8B3D2
P 10050 1800
F 0 "#PWR0115" H 10050 1650 50  0001 C CNN
F 1 "+3.3V" H 10065 1973 50  0000 C CNN
F 2 "" H 10050 1800 50  0001 C CNN
F 3 "" H 10050 1800 50  0001 C CNN
	1    10050 1800
	-1   0    0    -1  
$EndComp
Text Label 6700 2900 2    50   ~ 0
GPIO0
Wire Wire Line
	6700 2900 6400 2900
Text Label 5000 2900 0    50   ~ 0
RST
Wire Wire Line
	5000 2900 5200 2900
Wire Wire Line
	9150 2000 8950 2000
Wire Wire Line
	8950 2000 8950 1750
Text Label 8950 2000 0    50   ~ 0
RTS
Text Label 8950 850  3    50   ~ 0
RST
Wire Wire Line
	8950 850  8950 1150
Text Label 9850 850  3    50   ~ 0
GPIO0
Wire Wire Line
	9850 850  9850 1150
Wire Wire Line
	9850 1550 9850 1800
Wire Wire Line
	9850 2000 9650 2000
Text Label 9850 2000 2    50   ~ 0
DTR
$Comp
L Device:R R2
U 1 1 5AF90FA8
P 9500 1550
F 0 "R2" H 9430 1504 50  0000 R CNN
F 1 "10k" H 9430 1595 50  0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 9430 1550 50  0001 C CNN
F 3 "~" H 9500 1550 50  0001 C CNN
	1    9500 1550
	-1   0    0    1   
$EndComp
Wire Wire Line
	9550 1350 9500 1350
Wire Wire Line
	9500 1350 9500 1400
Wire Wire Line
	9500 1700 9500 1750
Wire Wire Line
	9500 1750 8950 1750
Connection ~ 8950 1750
Wire Wire Line
	8950 1750 8950 1550
$Comp
L Device:R R1
U 1 1 5AF91C47
P 9300 1550
F 0 "R1" H 9230 1504 50  0000 R CNN
F 1 "10k" H 9230 1595 50  0000 R CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" V 9230 1550 50  0001 C CNN
F 3 "~" H 9300 1550 50  0001 C CNN
	1    9300 1550
	1    0    0    1   
$EndComp
Wire Wire Line
	9250 1350 9300 1350
Wire Wire Line
	9300 1350 9300 1400
Wire Wire Line
	9300 1700 9300 1800
Wire Wire Line
	9300 1800 9850 1800
Connection ~ 9850 1800
Wire Wire Line
	9850 1800 9850 2000
NoConn ~ 6400 3300
NoConn ~ 6400 3400
NoConn ~ 6400 3900
NoConn ~ 6400 3600
NoConn ~ 6400 3500
$Comp
L Device:Microphone_Condenser MK1
U 1 1 5AF89ADD
P 4200 3700
F 0 "MK1" H 4330 3746 50  0000 L CNN
F 1 "Microphone_Condenser" H 4330 3655 50  0000 L CNN
F 2 "dryer-buzz-pcb:Microphone_Condenser_Panasonic_WM-54B" V 4200 3800 50  0001 C CNN
F 3 "~" V 4200 3800 50  0001 C CNN
	1    4200 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 3100 4200 3300
Wire Wire Line
	7300 4200 7300 3900
Wire Wire Line
	4200 3500 4200 3300
Wire Wire Line
	4200 3900 4200 4200
$Comp
L Connector_Generic:Conn_01x02 J1
U 1 1 5B0B209D
P 900 1500
F 0 "J1" H 820 1175 50  0000 C CNN
F 1 "Conn_01x02" H 820 1266 50  0000 C CNN
F 2 "Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical" H 900 1500 50  0001 C CNN
F 3 "~" H 900 1500 50  0001 C CNN
	1    900  1500
	-1   0    0    1   
$EndComp
Wire Wire Line
	1100 1400 1500 1400
Wire Wire Line
	1850 1500 1850 1400
Wire Wire Line
	1850 1300 1850 1400
Wire Wire Line
	1850 1800 1850 1900
$Comp
L power:GND #PWR0116
U 1 1 5B0B59DC
P 1600 1900
F 0 "#PWR0116" H 1600 1650 50  0001 C CNN
F 1 "GND" H 1605 1727 50  0000 C CNN
F 2 "" H 1600 1900 50  0001 C CNN
F 3 "" H 1600 1900 50  0001 C CNN
	1    1600 1900
	1    0    0    -1  
$EndComp
Wire Wire Line
	1600 1900 1600 1500
Wire Wire Line
	1600 1500 1100 1500
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 5B0B6B32
P 1600 1900
F 0 "#FLG0101" H 1600 1975 50  0001 C CNN
F 1 "PWR_FLAG" V 1600 2028 50  0000 L CNN
F 2 "" H 1600 1900 50  0001 C CNN
F 3 "~" H 1600 1900 50  0001 C CNN
	1    1600 1900
	0    -1   -1   0   
$EndComp
Connection ~ 1600 1900
$Comp
L power:PWR_FLAG #FLG0102
U 1 1 5B0B86DE
P 1500 1400
F 0 "#FLG0102" H 1500 1475 50  0001 C CNN
F 1 "PWR_FLAG" H 1500 1574 50  0000 C CNN
F 2 "" H 1500 1400 50  0001 C CNN
F 3 "~" H 1500 1400 50  0001 C CNN
	1    1500 1400
	1    0    0    -1  
$EndComp
Connection ~ 1500 1400
Wire Wire Line
	1500 1400 1850 1400
Text Label 4200 3300 0    50   ~ 0
MIC+
$Comp
L RF_Module:ESP-07 U2
U 1 1 5B37DF5D
P 5800 3500
F 0 "U2" H 5350 4250 50  0000 C CNN
F 1 "ESP-07" H 6150 4250 50  0000 C CNN
F 2 "RF_Module:ESP-07" H 5800 3500 50  0001 C CNN
F 3 "http://wiki.ai-thinker.com/_media/esp8266/esp8266_series_modules_user_manual_v1.1.pdf" H 5450 3600 50  0001 C CNN
	1    5800 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	6400 3100 6800 3100
Wire Wire Line
	6800 3100 6800 3000
Wire Wire Line
	6400 3800 6600 3800
Wire Wire Line
	6600 3800 6600 3900
Wire Wire Line
	7300 3500 7300 3100
Text Label 7300 3100 3    50   ~ 0
ESP_ADC
Text Label 4800 3300 0    50   ~ 0
ESP_ADC
Wire Wire Line
	4800 3300 5200 3300
Wire Wire Line
	4200 2700 4200 2800
Wire Wire Line
	4700 3000 4700 3100
Text Label 6700 3700 2    50   ~ 0
MIC_EN
Connection ~ 4200 3300
Wire Wire Line
	4200 3300 4500 3300
$EndSCHEMATC