EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "LED VU Meter"
Date "2017-08-18"
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L LM386 U1
U 1 1 59975877
P 5100 3600
F 0 "U1" H 5150 3900 50  0000 L CNN
F 1 "LM386" H 5150 3800 50  0000 L CNN
F 2 "Housings_DIP:DIP-8_W7.62mm" H 5200 3700 50  0001 C CNN
F 3 "" H 5300 3800 50  0001 C CNN
	1    5100 3600
	1    0    0    -1  
$EndComp
$Comp
L +9V #PWR01
U 1 1 599758C9
P 5600 1900
F 0 "#PWR01" H 5600 1750 50  0001 C CNN
F 1 "+9V" H 5600 2040 50  0000 C CNN
F 2 "" H 5600 1900 50  0001 C CNN
F 3 "" H 5600 1900 50  0001 C CNN
	1    5600 1900
	1    0    0    -1  
$EndComp
$Comp
L PWR_FLAG #FLG02
U 1 1 59975906
P 5600 2150
F 0 "#FLG02" H 5600 2225 50  0001 C CNN
F 1 "PWR_FLAG" H 5600 2300 50  0000 C CNN
F 2 "" H 5600 2150 50  0001 C CNN
F 3 "" H 5600 2150 50  0001 C CNN
	1    5600 2150
	-1   0    0    1   
$EndComp
$Comp
L GND #PWR03
U 1 1 59975922
P 6150 1900
F 0 "#PWR03" H 6150 1650 50  0001 C CNN
F 1 "GND" H 6150 1750 50  0000 C CNN
F 2 "" H 6150 1900 50  0001 C CNN
F 3 "" H 6150 1900 50  0001 C CNN
	1    6150 1900
	-1   0    0    1   
$EndComp
$Comp
L PWR_FLAG #FLG04
U 1 1 59975A64
P 6150 2150
F 0 "#FLG04" H 6150 2225 50  0001 C CNN
F 1 "PWR_FLAG" H 6150 2300 50  0000 C CNN
F 2 "" H 6150 2150 50  0001 C CNN
F 3 "" H 6150 2150 50  0001 C CNN
	1    6150 2150
	-1   0    0    1   
$EndComp
$Comp
L +9V #PWR05
U 1 1 59975BF5
P 5000 3050
F 0 "#PWR05" H 5000 2900 50  0001 C CNN
F 1 "+9V" H 5000 3190 50  0000 C CNN
F 2 "" H 5000 3050 50  0001 C CNN
F 3 "" H 5000 3050 50  0001 C CNN
	1    5000 3050
	1    0    0    -1  
$EndComp
$Comp
L JACK_2P J1
U 1 1 59975C09
P 3200 3600
F 0 "J1" H 2850 3400 50  0000 C CNN
F 1 "JACK_2P" H 3050 3850 50  0000 C CNN
F 2 "" H 3200 3600 50  0001 C CNN
F 3 "" H 3200 3600 50  0001 C CNN
	1    3200 3600
	1    0    0    1   
$EndComp
$Comp
L POT_TRIM RV1
U 1 1 59975CEA
P 4500 3700
F 0 "RV1" V 4325 3700 50  0000 C CNN
F 1 "50K POT" V 4400 3700 50  0000 C CNN
F 2 "" H 4500 3700 50  0001 C CNN
F 3 "" H 4500 3700 50  0001 C CNN
	1    4500 3700
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR06
U 1 1 59975DF0
P 5000 4300
F 0 "#PWR06" H 5000 4050 50  0001 C CNN
F 1 "GND" H 5000 4150 50  0000 C CNN
F 2 "" H 5000 4300 50  0001 C CNN
F 3 "" H 5000 4300 50  0001 C CNN
	1    5000 4300
	1    0    0    -1  
$EndComp
NoConn ~ 5100 3300
Wire Wire Line
	5600 1900 5600 2150
Wire Wire Line
	6150 1900 6150 2150
Wire Wire Line
	3650 3600 3800 3600
Wire Wire Line
	3800 3600 3800 3500
Connection ~ 3800 3500
Wire Wire Line
	4650 3700 4800 3700
$Comp
L C_Small C2
U 1 1 59976212
P 5200 4000
F 0 "C2" H 5210 4070 50  0000 L CNN
F 1 "10uF" H 5210 3920 50  0000 L CNN
F 2 "" H 5200 4000 50  0001 C CNN
F 3 "" H 5200 4000 50  0001 C CNN
	1    5200 4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 4100 5100 4100
Wire Wire Line
	5100 4100 5100 3900
Wire Wire Line
	5000 3900 5000 4300
Wire Wire Line
	4500 3850 4500 4200
Connection ~ 4500 4200
$Comp
L C_Small C3
U 1 1 59976446
P 5650 3750
F 0 "C3" H 5660 3820 50  0000 L CNN
F 1 "0.047uF" H 5660 3670 50  0000 L CNN
F 2 "" H 5650 3750 50  0001 C CNN
F 3 "" H 5650 3750 50  0001 C CNN
	1    5650 3750
	1    0    0    -1  
$EndComp
$Comp
L R_Small R1
U 1 1 599764DF
P 5650 4050
F 0 "R1" H 5680 4070 50  0000 L CNN
F 1 "10 Ohm" H 5680 4010 50  0000 L CNN
F 2 "" H 5650 4050 50  0001 C CNN
F 3 "" H 5650 4050 50  0001 C CNN
	1    5650 4050
	1    0    0    -1  
$EndComp
$Comp
L R_Small R2
U 1 1 5997661F
P 6250 4050
F 0 "R2" H 6280 4070 50  0000 L CNN
F 1 "220 Ohm" H 6280 4010 50  0000 L CNN
F 2 "" H 6250 4050 50  0001 C CNN
F 3 "" H 6250 4050 50  0001 C CNN
	1    6250 4050
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 4200 5650 4150
Connection ~ 5000 4200
Wire Wire Line
	6250 4200 6250 4150
Connection ~ 5650 4200
Wire Wire Line
	5650 3950 5650 3850
Wire Wire Line
	5650 3650 5650 3600
Wire Wire Line
	5400 3600 6250 3600
$Comp
L LED_ALT D1
U 1 1 59976AC4
P 6250 3750
F 0 "D1" H 6250 3850 50  0000 C CNN
F 1 "LED" H 6250 3650 50  0000 C CNN
F 2 "" H 6250 3750 50  0001 C CNN
F 3 "" H 6250 3750 50  0001 C CNN
	1    6250 3750
	0    -1   -1   0   
$EndComp
Connection ~ 5650 3600
Wire Wire Line
	6250 3900 6250 3950
Wire Wire Line
	3650 4200 6250 4200
Wire Wire Line
	3650 4200 3650 3750
Wire Wire Line
	3650 3500 4800 3500
Wire Wire Line
	4050 3800 4050 4200
Connection ~ 4050 4200
$Comp
L C_Small C1
U 1 1 59977371
P 4050 3700
F 0 "C1" H 4060 3770 50  0000 L CNN
F 1 "47uF" H 4060 3620 50  0000 L CNN
F 2 "" H 4050 3700 50  0001 C CNN
F 3 "" H 4050 3700 50  0001 C CNN
	1    4050 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4050 3150 5000 3150
Connection ~ 4500 3150
Wire Wire Line
	4050 3150 4050 3600
Wire Wire Line
	4500 3150 4500 3550
Wire Wire Line
	5000 3050 5000 3300
Connection ~ 5000 3150
Text Notes 3100 3200 0    60   ~ 0
LED VU Meter
$EndSCHEMATC
