EESchema Schematic File Version 5
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
Comment5 ""
Comment6 ""
Comment7 ""
Comment8 ""
Comment9 ""
$EndDescr
$Comp
L MCU_Microchip_ATtiny:ATtiny13A-PU U1
U 1 1 5DF5743E
P 3250 1600
F 0 "U1" H 2721 1646 50  0000 R CNN
F 1 "ATtiny13A-PU" H 2721 1555 50  0000 R CNN
F 2 "Package_DIP:DIP-8_W7.62mm" H 3250 1600 50  0001 C CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc8126.pdf" H 3250 1600 50  0001 C CNN
	1    3250 1600
	1    0    0    -1  
$EndComp
$Comp
L power:VDD #PWR01
U 1 1 5DF57F88
P 3250 700
F 0 "#PWR01" H 3250 550 50  0001 C CNN
F 1 "VDD" H 3267 873 50  0000 C CNN
F 2 "" H 3250 700 50  0001 C CNN
F 3 "" H 3250 700 50  0001 C CNN
	1    3250 700 
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR05
U 1 1 5DF586E1
P 3250 2350
F 0 "#PWR05" H 3250 2100 50  0001 C CNN
F 1 "GND" H 3255 2177 50  0000 C CNN
F 2 "" H 3250 2350 50  0001 C CNN
F 3 "" H 3250 2350 50  0001 C CNN
	1    3250 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	3250 2200 3250 2300
Wire Wire Line
	3250 700  3250 850 
$Comp
L Device:Battery BT1
U 1 1 5DF595DA
P 900 1650
F 0 "BT1" H 1008 1696 50  0000 L CNN
F 1 "Battery" H 1008 1605 50  0000 L CNN
F 2 "Connector_Wire:SolderWirePad_1x02_P3.81mm_Drill1mm" V 900 1710 50  0001 C CNN
F 3 "~" V 900 1710 50  0001 C CNN
	1    900  1650
	1    0    0    -1  
$EndComp
$Comp
L power:VDD #PWR02
U 1 1 5DF59C81
P 800 700
F 0 "#PWR02" H 800 550 50  0001 C CNN
F 1 "VDD" H 817 873 50  0000 C CNN
F 2 "" H 800 700 50  0001 C CNN
F 3 "" H 800 700 50  0001 C CNN
	1    800  700 
	1    0    0    -1  
$EndComp
Wire Wire Line
	900  1250 900  1450
$Comp
L power:GND #PWR04
U 1 1 5DF5AD77
P 900 2050
F 0 "#PWR04" H 900 1800 50  0001 C CNN
F 1 "GND" H 905 1877 50  0000 C CNN
F 2 "" H 900 2050 50  0001 C CNN
F 3 "" H 900 2050 50  0001 C CNN
	1    900  2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	900  1850 900  2050
Text Notes 1050 1500 0    50   ~ 0
2 AA = 3V to 1.8V
Text GLabel 4050 1400 2    50   Input ~ 0
AUDIO
Text GLabel 4050 1800 2    50   Input ~ 0
CALIBRATE
$Comp
L Switch:SW_Push SW1
U 1 1 5DF649D3
P 2450 6000
F 0 "SW1" V 2404 6148 50  0000 L CNN
F 1 "SW_Push" V 2495 6148 50  0000 L CNN
F 2 "Button_Switch_THT:SW_PUSH_6mm" H 2450 6200 50  0001 C CNN
F 3 "~" H 2450 6200 50  0001 C CNN
	1    2450 6000
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR06
U 1 1 5DF65A25
P 2450 6350
F 0 "#PWR06" H 2450 6100 50  0001 C CNN
F 1 "GND" H 2455 6177 50  0000 C CNN
F 2 "" H 2450 6350 50  0001 C CNN
F 3 "" H 2450 6350 50  0001 C CNN
	1    2450 6350
	1    0    0    -1  
$EndComp
Wire Wire Line
	2450 6200 2450 6350
$Comp
L power:VDD #PWR03
U 1 1 5DF66A21
P 2450 4700
F 0 "#PWR03" H 2450 4550 50  0001 C CNN
F 1 "VDD" H 2467 4873 50  0000 C CNN
F 2 "" H 2450 4700 50  0001 C CNN
F 3 "" H 2450 4700 50  0001 C CNN
	1    2450 4700
	1    0    0    -1  
$EndComp
Text GLabel 2300 5750 0    50   Input ~ 0
CALIBRATE
$Comp
L Device:LED D1
U 1 1 5DF67AA5
P 2450 5150
F 0 "D1" V 2489 5033 50  0000 R CNN
F 1 "LED" V 2398 5033 50  0000 R CNN
F 2 "LED_THT:LED_D3.0mm" H 2450 5150 50  0001 C CNN
F 3 "~" H 2450 5150 50  0001 C CNN
	1    2450 5150
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R1
U 1 1 5DF6A5BB
P 2450 5600
F 0 "R1" H 2509 5646 50  0000 L CNN
F 1 "150" H 2509 5555 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal" H 2450 5600 50  0001 C CNN
F 3 "~" H 2450 5600 50  0001 C CNN
	1    2450 5600
	1    0    0    -1  
$EndComp
Wire Wire Line
	2450 4700 2450 5000
Wire Wire Line
	2450 5700 2450 5750
Wire Wire Line
	2450 5750 2300 5750
Wire Wire Line
	2450 5300 2450 5500
Connection ~ 2450 5750
Wire Wire Line
	2450 5750 2450 5800
Text Notes 2850 5750 0    50   ~ 0
MICROCONTROLLER \nshall be able to FLASH led \nif needed
Text GLabel 950  3000 0    50   Input ~ 0
AUDIO
$Comp
L power:GND #PWR09
U 1 1 5DF79997
P 4300 4200
F 0 "#PWR09" H 4300 3950 50  0001 C CNN
F 1 "GND" H 4305 4027 50  0000 C CNN
F 2 "" H 4300 4200 50  0001 C CNN
F 3 "" H 4300 4200 50  0001 C CNN
	1    4300 4200
	1    0    0    -1  
$EndComp
$Comp
L Device:Speaker LS1
U 1 1 5DF7D3C5
P 5250 3300
F 0 "LS1" H 5420 3296 50  0000 L CNN
F 1 "Speaker" H 5420 3205 50  0000 L CNN
F 2 "Connector_Wire:SolderWirePad_1x02_P3.81mm_Drill1mm" H 5250 3100 50  0001 C CNN
F 3 "~" H 5240 3250 50  0001 C CNN
	1    5250 3300
	1    0    0    -1  
$EndComp
$Comp
L Device:D D2
U 1 1 5DF7A920
P 4300 3350
F 0 "D2" V 4254 3429 50  0000 L CNN
F 1 "1N4148" V 4345 3429 50  0000 L CNN
F 2 "Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal" H 4300 3350 50  0001 C CNN
F 3 "~" H 4300 3350 50  0001 C CNN
	1    4300 3350
	0    1    1    0   
$EndComp
Wire Wire Line
	5050 3300 4850 3300
Wire Wire Line
	4300 3550 4300 3600
Wire Wire Line
	4850 3400 5050 3400
Wire Wire Line
	4850 3550 4850 3400
Wire Wire Line
	4850 3300 4850 3150
Wire Wire Line
	4300 3550 4850 3550
Wire Wire Line
	4300 4000 4300 4200
Wire Wire Line
	4300 3500 4300 3550
Connection ~ 4300 3550
Text Notes 4950 3100 0    50   ~ 0
SIMPLE PULSE AMPLIFIER
$Comp
L Mechanical:MountingHole_Pad H1
U 1 1 5DF9AC6D
P 10100 6700
F 0 "H1" H 10200 6749 50  0000 L CNN
F 1 "M3" H 10200 6658 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad_Via" H 10100 6700 50  0001 C CNN
F 3 "~" H 10100 6700 50  0001 C CNN
	1    10100 6700
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H2
U 1 1 5DFA1189
P 10400 6700
F 0 "H2" H 10500 6749 50  0000 L CNN
F 1 "M3" H 10500 6658 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad_Via" H 10400 6700 50  0001 C CNN
F 3 "~" H 10400 6700 50  0001 C CNN
	1    10400 6700
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H3
U 1 1 5DF9BB6B
P 10700 6700
F 0 "H3" H 10800 6749 50  0000 L CNN
F 1 "M3" H 10800 6658 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad_Via" H 10700 6700 50  0001 C CNN
F 3 "~" H 10700 6700 50  0001 C CNN
	1    10700 6700
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole_Pad H4
U 1 1 5DF9BE04
P 11000 6700
F 0 "H4" H 11100 6749 50  0000 L CNN
F 1 "M3" H 11100 6658 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3_Pad_Via" H 11000 6700 50  0001 C CNN
F 3 "~" H 11000 6700 50  0001 C CNN
	1    11000 6700
	1    0    0    -1  
$EndComp
Wire Wire Line
	11000 6800 11000 6900
Wire Wire Line
	11000 6900 10700 6900
Wire Wire Line
	10100 6900 10100 6800
Wire Wire Line
	10400 6800 10400 6900
Connection ~ 10400 6900
Wire Wire Line
	10400 6900 10100 6900
Wire Wire Line
	10700 6800 10700 6900
Connection ~ 10700 6900
Wire Wire Line
	10700 6900 10550 6900
$Comp
L power:GND #PWR010
U 1 1 5DF9D247
P 10550 6950
F 0 "#PWR010" H 10550 6700 50  0001 C CNN
F 1 "GND" H 10555 6777 50  0000 C CNN
F 2 "" H 10550 6950 50  0001 C CNN
F 3 "" H 10550 6950 50  0001 C CNN
	1    10550 6950
	1    0    0    -1  
$EndComp
Wire Wire Line
	10550 6950 10550 6900
Connection ~ 10550 6900
Wire Wire Line
	10550 6900 10400 6900
Wire Wire Line
	4050 1800 3850 1800
$Comp
L power:VDD #PWR08
U 1 1 5DF79F75
P 4300 2800
F 0 "#PWR08" H 4300 2650 50  0001 C CNN
F 1 "VDD" H 4317 2973 50  0000 C CNN
F 2 "" H 4300 2800 50  0001 C CNN
F 3 "" H 4300 2800 50  0001 C CNN
	1    4300 2800
	1    0    0    -1  
$EndComp
Connection ~ 4300 3150
Wire Wire Line
	4300 3150 4300 3200
Wire Wire Line
	4850 3150 4300 3150
$Comp
L Device:C_Small C3
U 1 1 5DFB1F1D
P 2100 1350
F 0 "C3" H 2192 1396 50  0000 L CNN
F 1 "100n" H 2192 1305 50  0000 L CNN
F 2 "Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm" H 2100 1350 50  0001 C CNN
F 3 "~" H 2100 1350 50  0001 C CNN
	1    2100 1350
	1    0    0    -1  
$EndComp
Wire Wire Line
	2100 1250 2100 850 
Wire Wire Line
	2100 850  3250 850 
Connection ~ 3250 850 
Wire Wire Line
	3250 850  3250 1000
Wire Wire Line
	3250 2300 2100 2300
Wire Wire Line
	2100 2300 2100 1450
Connection ~ 3250 2300
Wire Wire Line
	3250 2300 3250 2350
$Comp
L Connector:AudioJack2_Ground_Switch J2
U 1 1 5DFB6219
P 2500 3000
F 0 "J2" H 2320 3018 50  0000 R CNN
F 1 "AudioJack2_Ground_Switch" H 2320 2927 50  0000 R CNN
F 2 "synth_plate:Klinke-JC128" H 2500 3200 50  0001 C CNN
F 3 "~" H 2500 3200 50  0001 C CNN
	1    2500 3000
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR012
U 1 1 5DFB6E6F
P 2500 3450
F 0 "#PWR012" H 2500 3200 50  0001 C CNN
F 1 "GND" H 2505 3277 50  0000 C CNN
F 2 "" H 2500 3450 50  0001 C CNN
F 3 "" H 2500 3450 50  0001 C CNN
	1    2500 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	2500 3300 2500 3450
$Comp
L Switch:SW_DPDT_x2 SW2
U 1 1 5DF65D1E
P 800 1050
F 0 "SW2" V 754 1198 50  0000 L CNN
F 1 "SW_DPDT_x2" V 845 1198 50  0000 L CNN
F 2 "Button_Switch_THT:SW_CuK_JS202011AQN_DPDT_Angled" H 800 1050 50  0001 C CNN
F 3 "~" H 800 1050 50  0001 C CNN
	1    800  1050
	0    1    1    0   
$EndComp
Wire Wire Line
	800  700  800  850 
Text Notes 950  950  0    50   ~ 0
ON/OFF switch
Wire Wire Line
	4300 2800 4300 3150
Wire Wire Line
	3850 1700 4700 1700
Wire Wire Line
	4950 1500 4700 1500
Wire Wire Line
	4050 1400 3850 1400
$Comp
L synth_plate:TOUCHSCREEN J1
U 1 1 5DF847F5
P 5050 1450
F 0 "J1" H 6078 1496 50  0000 L CNN
F 1 "TOUCHSCREEN" H 6078 1405 50  0000 L CNN
F 2 "synth_plate:TOUCHSCREEN" H 5050 1450 50  0001 C CNN
F 3 "" H 5050 1450 50  0001 C CNN
	1    5050 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	2000 3100 2000 3800
Wire Wire Line
	2000 3800 4000 3800
Text Notes 3800 3750 2    50   ~ 0
with no jack connected\nthe signal traverses to the speaker 
$Comp
L Device:Q_NMOS_GDS Q1
U 1 1 5DFC5F89
P 4200 3800
F 0 "Q1" H 4406 3846 50  0000 L CNN
F 1 "Q_NMOS_GDS" H 4406 3755 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-92_Inline" H 4400 3900 50  0001 C CNN
F 3 "~" H 4200 3800 50  0001 C CNN
	1    4200 3800
	1    0    0    -1  
$EndComp
$Comp
L Device:R_POT RV1
U 1 1 5DF81D57
P 1150 3200
F 0 "RV1" H 1081 3246 50  0000 R CNN
F 1 "R_POT" H 1081 3155 50  0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Alps_RK09K_Single_Vertical" H 1150 3200 50  0001 C CNN
F 3 "~" H 1150 3200 50  0001 C CNN
	1    1150 3200
	1    0    0    -1  
$EndComp
Wire Wire Line
	1150 3000 1150 3050
Wire Wire Line
	950  3000 1150 3000
$Comp
L power:GND #PWR07
U 1 1 5DF85A2F
P 1150 3450
F 0 "#PWR07" H 1150 3200 50  0001 C CNN
F 1 "GND" H 1155 3277 50  0000 C CNN
F 2 "" H 1150 3450 50  0001 C CNN
F 3 "" H 1150 3450 50  0001 C CNN
	1    1150 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	1150 3350 1150 3450
Wire Wire Line
	1300 3200 1450 3200
Wire Wire Line
	1450 3200 1450 3000
Wire Wire Line
	1450 3000 2000 3000
Wire Wire Line
	2000 2900 2000 3000
Wire Wire Line
	2000 2900 2300 2900
Connection ~ 2000 3000
Wire Wire Line
	2000 3000 2300 3000
Wire Wire Line
	4600 1400 4950 1400
Wire Wire Line
	4600 1500 4600 1400
Wire Wire Line
	3850 1500 4600 1500
Wire Wire Line
	3850 1300 4950 1300
Wire Wire Line
	2300 2800 2100 2800
Wire Wire Line
	2100 2800 2100 3100
Connection ~ 2100 3100
Wire Wire Line
	2100 3100 2000 3100
Wire Wire Line
	2300 3100 2100 3100
Wire Wire Line
	3850 1600 4950 1600
Wire Wire Line
	4700 1500 4700 1700
$EndSCHEMATC