EESchema Schematic File Version 4
LIBS:vinhome-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 7 9
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L device:Microphone MK1
U 1 1 5B9F91FA
P 3250 3150
F 0 "MK1" H 3380 3196 50  0000 L CNN
F 1 "Microphone" H 3380 3105 50  0000 L CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm" V 3250 3250 50  0001 C CNN
F 3 "" V 3250 3250 50  0001 C CNN
	1    3250 3150
	1    0    0    -1  
$EndComp
Text HLabel 5150 2550 2    50   Input ~ 0
ADC
$Comp
L device:R R15
U 1 1 5BA0C54D
P 3250 2500
F 0 "R15" H 3320 2546 50  0000 L CNN
F 1 "82k" H 3320 2455 50  0000 L CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 3180 2500 50  0001 C CNN
F 3 "" H 3250 2500 50  0001 C CNN
	1    3250 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	3250 2650 3250 2800
$Comp
L device:CP_Small C5
U 1 1 5BA0C6FA
P 3600 2800
F 0 "C5" V 3825 2800 50  0000 C CNN
F 1 "1uF" V 3734 2800 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 3600 2800 50  0001 C CNN
F 3 "" H 3600 2800 50  0001 C CNN
	1    3600 2800
	0    -1   -1   0   
$EndComp
$Comp
L device:R R16
U 1 1 5BA1DBD8
P 4350 2550
F 0 "R16" H 4420 2596 50  0000 L CNN
F 1 "200k" H 4420 2505 50  0000 L CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 4280 2550 50  0001 C CNN
F 3 "" H 4350 2550 50  0001 C CNN
	1    4350 2550
	0    1    1    0   
$EndComp
$Comp
L vinhome-rescue:TRANSISTOR_NPNSOT23-3-SparkFun-DiscreteSemi Q5
U 1 1 5BA1DE3C
P 4500 2800
F 0 "Q5" H 4641 2846 50  0000 L CNN
F 1 "TRANSISTOR_NPNSOT23-3" H 4641 2755 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23W" H 4530 2950 20  0001 C CNN
F 3 "" H 4500 2800 50  0001 C CNN
	1    4500 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3250 2350 3250 2150
Wire Wire Line
	3250 2150 3900 2150
Wire Wire Line
	3250 3350 3250 3650
Wire Wire Line
	3250 2800 3500 2800
Connection ~ 3250 2800
Wire Wire Line
	3250 2800 3250 2950
$Comp
L device:R R18
U 1 1 5BA1E5F9
P 4600 2300
F 0 "R18" H 4670 2346 50  0000 L CNN
F 1 "10k" H 4670 2255 50  0000 L CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 4530 2300 50  0001 C CNN
F 3 "" H 4600 2300 50  0001 C CNN
	1    4600 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 3000 4600 3200
Wire Wire Line
	4600 3650 4600 3500
$Comp
L power:GND #PWR040
U 1 1 5BA1F10F
P 4000 3800
F 0 "#PWR040" H 4000 3550 50  0001 C CNN
F 1 "GND" H 4005 3627 50  0000 C CNN
F 2 "" H 4000 3800 50  0001 C CNN
F 3 "" H 4000 3800 50  0001 C CNN
	1    4000 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	4000 3800 4000 3650
Wire Wire Line
	3250 3650 4000 3650
Connection ~ 4000 3650
Connection ~ 3900 2150
Wire Wire Line
	4600 2450 4600 2550
$Comp
L device:CP_Small C17
U 1 1 5BA1F841
P 4950 2550
F 0 "C17" V 5175 2550 50  0000 C CNN
F 1 "10UF" V 5084 2550 50  0000 C CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4950 2550 50  0001 C CNN
F 3 "" H 4950 2550 50  0001 C CNN
	1    4950 2550
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4850 2550 4600 2550
Connection ~ 4600 2550
Wire Wire Line
	4600 2550 4600 2600
Wire Wire Line
	5050 2550 5150 2550
$Comp
L power:+3.3V #PWR0102
U 1 1 5BA21345
P 3900 2000
F 0 "#PWR0102" H 3900 1850 50  0001 C CNN
F 1 "+3.3V" H 3915 2173 50  0000 C CNN
F 2 "" H 3900 2000 50  0001 C CNN
F 3 "" H 3900 2000 50  0001 C CNN
	1    3900 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3900 2000 3900 2150
$Comp
L device:R R19
U 1 1 5BA1E674
P 4600 3350
F 0 "R19" H 4670 3396 50  0000 L CNN
F 1 "100R" H 4670 3305 50  0000 L CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 4530 3350 50  0001 C CNN
F 3 "" H 4600 3350 50  0001 C CNN
	1    4600 3350
	1    0    0    -1  
$EndComp
Wire Wire Line
	4000 3650 4600 3650
Wire Wire Line
	3900 2150 4600 2150
Wire Wire Line
	3700 2800 4200 2800
Wire Wire Line
	4500 2550 4600 2550
Wire Wire Line
	4200 2550 4200 2800
Connection ~ 4200 2800
Wire Wire Line
	4200 2800 4400 2800
$EndSCHEMATC