EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L kicad:ATTINY85-20PU U1
U 1 1 5E8E321D
P 3400 1900
F 0 "U1" H 3400 2200 60 0000 C CNN
F 1 "ATTINY85-20PU" H 3400 1600 60 0000 C CNN
F 2 "kicad:DIP-8__300" H 3400 1900 60 0001 C CNN
F 3 "" H 3400 1900 60 0000 C CNN
1 3400 1900
1 0 0 -1
$EndComp
$Comp
L kicad:R R5
U 1 1 5E8E37BB
P 3200 1550
F 0 "R5" V 3200 1550 50 0000 C CNN
F 1 "R" V 3300 1550 50 0001 C CNN
F 2 "kicad:R4" V 3130 1550 50 0001 C CNN
F 3 "~" H 3200 1550 50 0001 C CNN
1 3200 1550
0 1 1 0
$EndComp
$Comp
L kicad:CONN_6 P5
U 1 1 5E8E542A
P 4050 1800
F 0 "P5" H 4000 1450 50 0000 L CNN
F 1 "CONN_6" V 4100 1900 60 0001 C CNN
F 2 "kicad:PIN_ARRAY_6X1" H 4050 1800 60 0001 C CNN
F 3 "" H 4050 1800 60 0000 C CNN
1 4050 1800
1 0 0 -1
$EndComp
$Comp
L kicad:R R3
U 1 1 5E8E5F8A
P 4400 2050
F 0 "R3" V 4400 2050 50 0000 C CNN
F 1 "R" V 4500 2050 50 0001 C CNN
F 2 "kicad:R4" V 4330 2050 50 0001 C CNN
F 3 "~" H 4400 2050 50 0001 C CNN
1 4400 2050
0 1 1 0
$EndComp
$Comp
L kicad:R R4
U 1 1 5E8E6714
P 3300 2650
F 0 "R4" V 3300 2650 50 0000 C CNN
F 1 "R" V 3400 2650 50 0001 C CNN
F 2 "kicad:R4" V 3230 2650 50 0001 C CNN
F 3 "~" H 3300 2650 50 0001 C CNN
1 3300 2650
-1 0 0 1
$EndComp
$Comp
L kicad:R R1
U 1 1 5E8E6934
P 4400 1850
F 0 "R1" V 4400 1850 50 0000 C CNN
F 1 "R" V 4500 1850 50 0001 C CNN
F 2 "kicad:R4" V 4330 1850 50 0001 C CNN
F 3 "~" H 4400 1850 50 0001 C CNN
1 4400 1850
0 1 1 0
$EndComp
$Comp
L kicad:R R2
U 1 1 5E8E701E
P 4400 1950
F 0 "R2" V 4400 1950 50 0000 C CNN
F 1 "R" V 4500 1950 50 0001 C CNN
F 2 "kicad:R4" V 4330 1950 50 0001 C CNN
F 3 "~" H 4400 1950 50 0001 C CNN
1 4400 1950
0 1 1 0
$EndComp
$Comp
L kicad:LED D1
U 1 1 5E8E72CF
P 4750 1850
F 0 "D1" H 4650 1900 50 0000 C CNN
F 1 "LED" H 4750 1750 50 0001 C CNN
F 2 "kicad:LED-5MM" H 4750 1850 60 0001 C CNN
F 3 "" H 4750 1850 60 0000 C CNN
1 4750 1850
1 0 0 -1
$EndComp
$Comp
L kicad:LED D2
U 1 1 5E8E7904
P 4750 1950
F 0 "D2" H 4650 2000 50 0000 C CNN
F 1 "LED" H 4750 1850 50 0001 C CNN
F 2 "kicad:LED-5MM" H 4750 1950 60 0001 C CNN
F 3 "" H 4750 1950 60 0000 C CNN
1 4750 1950
1 0 0 -1
$EndComp
$Comp
L kicad:LED D3
U 1 1 5E8E7A6B
P 4750 2050
F 0 "D3" H 4650 2100 50 0000 C CNN
F 1 "LED" H 4750 1950 50 0001 C CNN
F 2 "kicad:LED-5MM" H 4750 2050 60 0001 C CNN
F 3 "" H 4750 2050 60 0000 C CNN
1 4750 2050
1 0 0 -1
$EndComp
$Comp
L kicad:LED D4
U 1 1 5E8E8078
P 3500 2800
F 0 "D4" H 3400 2850 50 0000 C CNN
F 1 "LED" H 3500 2700 50 0001 C CNN
F 2 "kicad:LED-5MM" H 3500 2800 60 0001 C CNN
F 3 "" H 3500 2800 60 0000 C CNN
1 3500 2800
1 0 0 -1
$EndComp
Wire Wire Line
4050 1750 3800 1750
Wire Wire Line
3800 1750 3800 1550
Wire Wire Line
3800 1550 3350 1550
Connection ~ 4050 1750
Wire Wire Line
3050 1550 2750 1550
Wire Wire Line
2750 1550 2750 1750
Wire Wire Line
4050 2050 4250 2050
Wire Wire Line
4050 1950 4250 1950
Wire Wire Line
4050 1850 4250 1850
Connection ~ 4050 1950
$Comp
L kicad:CONN_1 P3
U 1 1 5E8F8727
P 5300 1250
F 0 "P3" H 5250 1200 40 0000 R CNN
F 1 "CONN_1" H 5050 1300 30 0001 C CNN
F 2 "kicad:PIN_ARRAY_1X1" H 4650 1200 60 0001 C CNN
F 3 "" H 5300 1250 60 0000 C CNN
1 5300 1250
1 0 0 -1
$EndComp
Wire Wire Line
4050 1550 4050 1450
Wire Wire Line
4050 1450 2750 1450
Wire Wire Line
2750 1450 2750 1550
Connection ~ 2750 1550
Wire Wire Line
4950 2050 4950 1950
Connection ~ 4950 2050
Wire Wire Line
4950 1950 4950 1850
Connection ~ 4950 1950
Connection ~ 4050 1850
Connection ~ 4050 2050
$Comp
L kicad:CONN_1 P1
U 1 1 5EABECB0
P 5300 950
F 0 "P1" H 5250 900 40 0000 R CNN
F 1 "CONN_1" H 5050 900 30 0001 C CNN
F 2 "kicad:PIN_ARRAY_1X1" H 4650 900 60 0001 C CNN
F 3 "" H 5300 950 60 0000 C CNN
1 5300 950
1 0 0 -1
$EndComp
$Comp
L kicad:CONN_1 P2
U 1 1 5EABECE4
P 5300 1100
F 0 "P2" H 5250 1050 40 0000 R CNN
F 1 "CONN_1" H 5000 1200 30 0001 C CNN
F 2 "kicad:PIN_ARRAY_1X1" H 4700 1100 60 0001 C CNN
F 3 "" H 5300 1100 60 0000 C CNN
1 5300 1100
1 0 0 -1
$EndComp
$Comp
L kicad:R R6
U 1 1 5EAC73A7
P 1750 1400
F 0 "R6" V 1750 1400 50 0000 C CNN
F 1 "R" V 1850 1400 50 0001 C CNN
F 2 "kicad:R4" V 1680 1400 50 0001 C CNN
F 3 "~" H 1750 1400 50 0001 C CNN
1 1750 1400
-1 0 0 1
$EndComp
$Comp
L kicad:R R8
U 1 1 5EAC794B
P 2300 1750
F 0 "R8" V 2300 1750 50 0000 C CNN
F 1 "R" V 2400 1750 50 0001 C CNN
F 2 "kicad:R4" V 2230 1750 50 0001 C CNN
F 3 "~" H 2300 1750 50 0001 C CNN
1 2300 1750
0 1 1 0
$EndComp
$Comp
L kicad:R R7
U 1 1 5EAC7997
P 2450 1400
F 0 "R7" V 2450 1400 50 0000 C CNN
F 1 "R" V 2550 1400 50 0001 C CNN
F 2 "kicad:R4" V 2380 1400 50 0001 C CNN
F 3 "~" H 2450 1400 50 0001 C CNN
1 2450 1400
-1 0 0 1
$EndComp
$Comp
L kicad:NPN Q1
U 1 1 5EAC7A06
P 2350 1950
F 0 "Q1" H 2400 1950 50 0000 L CNN
F 1 "NPN" H 2550 1950 50 0001 L CNN
F 2 "kicad:NPN" H 2550 1875 50 0001 L CIN
F 3 "" H 2350 1950 50 0000 L CNN
1 2350 1950
1 0 0 -1
$EndComp
$Comp
L kicad:C C1
U 1 1 5EAC7AB6
P 1950 1950
F 0 "C1" V 1770 1950 50 0000 C CNN
F 1 "C" H 2000 1850 50 0001 L CNN
F 2 "kicad:C2" H 1950 1950 60 0001 C CNN
F 3 "" H 1950 1950 60 0000 C CNN
1 1950 1950
0 1 1 0
$EndComp
Wire Wire Line
4700 1250 4350 1250
Wire Wire Line
2450 1250 1750 1250
Connection ~ 2450 1250
Wire Wire Line
1750 1550 1750 1950
Wire Wire Line
2150 1750 2150 1950
Wire Wire Line
2450 1750 2450 1550
Connection ~ 2450 1750
Wire Wire Line
2750 1850 2650 1850
Wire Wire Line
2650 1850 2650 1750
Wire Wire Line
2650 1750 2450 1750
Wire Wire Line
2450 2150 2450 2600
$Comp
L kicad:R R9
U 1 1 5FFF12F6
P 4100 2650
F 0 "R9" V 4100 2650 50 0000 C CNN
F 1 "R" V 4200 2650 50 0001 C CNN
F 2 "kicad:R4" V 4030 2650 50 0001 C CNN
F 3 "~" H 4100 2650 50 0001 C CNN
1 4100 2650
-1 0 0 1
$EndComp
$Comp
L kicad:7805 U2
U 1 1 5FFF46EE
P 4700 1100
F 0 "U2" V 4550 850 60 0000 C CNN
F 1 "7805" V 4950 1100 60 0000 C CNN
F 2 "kicad:TO220_VERT" H 4700 1100 60 0001 C CNN
F 3 "" H 4700 1100 60 0000 C CNN
1 4700 1100
0 1 1 0
$EndComp
Wire Wire Line
5150 950 4700 950
Wire Wire Line
2450 2600 2750 2600
Connection ~ 2450 2600
$Comp
L kicad:JUMPER JP1
U 1 1 5E9A1817
P 4650 2600
F 0 "JP1" H 4650 2650 50 0000 C CNN
F 1 "JUMPER" H 4650 2520 40 0001 C CNN
F 2 "kicad:PIN_ARRAY_2X1" H 4650 2600 60 0001 C CNN
F 3 "" H 4650 2600 60 0000 C CNN
1 4650 2600
1 0 0 -1
$EndComp
Wire Wire Line
2750 1950 3300 1950
Wire Wire Line
3300 1950 3300 2500
Wire Wire Line
3300 2500 4100 2500
Wire Wire Line
2750 2050 2750 2600
Connection ~ 2750 2600
Wire Wire Line
2750 2600 3700 2600
Wire Wire Line
4350 1250 4350 1750
Wire Wire Line
4350 1750 4050 1750
Connection ~ 4350 1250
Wire Wire Line
4350 1250 2450 1250
Wire Wire Line
4700 1100 5150 1100
Wire Wire Line
4700 1100 1550 1100
Wire Wire Line
1550 1100 1550 1350
Wire Wire Line
1550 1350 4250 1350
Wire Wire Line
4250 1350 4250 1650
Wire Wire Line
4250 1650 4050 1650
Connection ~ 4700 1100
Wire Wire Line
1550 1350 1550 2600
Connection ~ 1550 1350
$Comp
L kicad:NPN Q2
U 1 1 5FFE3DFE
P 5050 1450
F 0 "Q2" H 5100 1450 50 0000 L CNN
F 1 "NPN" H 4850 1350 50 0001 L CNN
F 2 "kicad:NPN" H 4600 1400 50 0001 L CIN
F 3 "" H 5050 1450 50 0000 L CNN
1 5050 1450
1 0 0 -1
$EndComp
Wire Wire Line
4100 2800 5050 2800
Wire Wire Line
5050 2800 5050 1650
Wire Wire Line
5050 1650 4850 1650
Wire Wire Line
4850 1650 4850 1450
Wire Wire Line
3700 2600 3700 2800
Wire Wire Line
3700 2900 5150 2900
Wire Wire Line
5150 2900 5150 1650
Connection ~ 3700 2600
Wire Wire Line
3700 2600 4350 2600
Connection ~ 2150 1950
Connection ~ 3300 2500
Wire Wire Line
4950 2050 4950 2600
Connection ~ 3700 2800
Wire Wire Line
3700 2800 3700 2900
$Comp
L kicad:Microphone MK1
U 1 1 6006A05B
P 1750 2150
F 0 "MK1" H 1750 2150 50 0000 C CNN
F 1 "Microphone" H 1600 2125 50 0001 R CNN
F 2 "kicad:ELECTRET" V 1750 2250 50 0001 C CNN
F 3 "~" V 1750 2250 50 0001 C CNN
1 1750 2150
1 0 0 -1
$EndComp
$Comp
L kicad:C C2
U 1 1 6020777E
P 3400 2350
F 0 "C2" V 3450 2450 50 0000 C CNN
F 1 "C" H 3450 2250 50 0001 L CNN
F 2 "kicad:C2" H 3400 2350 60 0001 C CNN
F 3 "" H 3400 2350 60 0000 C CNN
1 3400 2350
0 1 1 0
$EndComp
Wire Wire Line
3600 2350 3600 1750
Wire Wire Line
3600 1750 3800 1750
Connection ~ 3800 1750
Wire Wire Line
3200 2350 3200 2050
Wire Wire Line
3200 2050 2750 2050
Connection ~ 2750 2050
Wire Wire Line
1550 2600 1750 2600
Connection ~ 1750 1950
Wire Wire Line
1750 2350 1750 2600
Connection ~ 1750 2600
Wire Wire Line
1750 2600 2450 2600
$EndSCHEMATC