EESchema Schematic File Version 2
LIBS:74xgxx
LIBS:74xx
LIBS:ac-dc
LIBS:actel
LIBS:adc-dac
LIBS:Altera
LIBS:analog_devices
LIBS:analog_switches
LIBS:atmel
LIBS:audio
LIBS:brooktre
LIBS:cmos4000
LIBS:cmos_ieee
LIBS:conn
LIBS:contrib
LIBS:cypress
LIBS:dc-dc
LIBS:device
LIBS:digital-audio
LIBS:diode
LIBS:display
LIBS:dsp
LIBS:elec-unifil
LIBS:ESD_Protection
LIBS:ftdi
LIBS:gennum
LIBS:graphic
LIBS:hc11
LIBS:intel
LIBS:interface
LIBS:ir
LIBS:Lattice
LIBS:linear
LIBS:logo
LIBS:maxim
LIBS:memory
LIBS:microchip_dspic33dsc
LIBS:microchip
LIBS:microchip_pic10mcu
LIBS:microchip_pic12mcu
LIBS:microchip_pic16mcu
LIBS:microchip_pic18mcu
LIBS:microchip_pic32mcu
LIBS:microcontrollers
LIBS:motor_drivers
LIBS:motorola
LIBS:msp430
LIBS:nordicsemi
LIBS:nxp_armmcu
LIBS:onsemi
LIBS:opto
LIBS:Oscillators
LIBS:philips
LIBS:powerint
LIBS:power
LIBS:Power_Management
LIBS:pspice
LIBS:references
LIBS:regul
LIBS:relays
LIBS:rfcom
LIBS:sensors
LIBS:silabs
LIBS:siliconi
LIBS:stm32
LIBS:stm8
LIBS:supertex
LIBS:switches
LIBS:texas
LIBS:transf
LIBS:transistors
LIBS:ttl_ieee
LIBS:valves
LIBS:video
LIBS:Xicor
LIBS:xilinx
LIBS:Zilog
LIBS:UPCONV01A-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "NAME"
Date "%F"
Rev "REV"
Comp "Mlab www.mlab.cz"
Comment1 "VERSION"
Comment2 "Short description \\nTwo lines are maximum"
Comment3 "nickname <email@example.com>"
Comment4 "BSD"
$EndDescr
$Comp
L HEADER_2x03_PARALLEL J1
U 1 1 549D65BC
P 10550 1050
F 0 "J1" H 10550 850 60  0000 C CNN
F 1 "Umin ... Umax" H 10550 1250 60  0000 C CNN
F 2 "" H 10550 1150 60  0000 C CNN
F 3 "" H 10550 1150 60  0000 C CNN
        1    10550 1050
        1    0    0    -1  
$EndComp
$Comp
L VCC #PWR1
U 1 1 549D7353
P 9350 1000
F 0 "#PWR1" H 9350 850 60  0001 C CNN
F 1 "VCC" H 9350 1150 60  0000 C CNN
F 2 "" H 9350 1000 60  0000 C CNN
F 3 "" H 9350 1000 60  0000 C CNN
        1    9350 1000
        1    0    0    -1  
$EndComp
$Comp
L GND #PWR2
U 1 1 549D73B2
P 9350 1400
F 0 "#PWR2" H 9350 1150 60  0001 C CNN
F 1 "GND" H 9350 1250 60  0000 C CNN
F 2 "" H 9350 1400 60  0000 C CNN
F 3 "" H 9350 1400 60  0000 C CNN
        1    9350 1400
        1    0    0    -1  
$EndComp
Text Notes 9200 1700 0    60   ~ 0
POWER INPUT
$Comp
L HOLE M1
U 1 1 549D7549
P 10050 1900
F 0 "M1" V 9950 1900 60  0000 C CNN
F 1 "HOLE" H 10050 1800 60  0001 C CNN
F 2 "" H 10050 1900 60  0000 C CNN
F 3 "" H 10050 1900 60  0000 C CNN
        1    10050 1900
        0    -1   -1   0   
$EndComp
$Comp
L HOLE M2
U 1 1 549D7628
P 10250 1900
F 0 "M2" V 10150 1900 60  0000 C CNN
F 1 "HOLE" H 10250 1800 60  0001 C CNN
F 2 "" H 10250 1900 60  0000 C CNN
F 3 "" H 10250 1900 60  0000 C CNN
        1    10250 1900
        0    -1   -1   0   
$EndComp
$Comp
L HOLE M3
U 1 1 549D7646
P 10450 1900
F 0 "M3" V 10350 1900 60  0000 C CNN
F 1 "HOLE" H 10450 1800 60  0001 C CNN
F 2 "" H 10450 1900 60  0000 C CNN
F 3 "" H 10450 1900 60  0000 C CNN
        1    10450 1900
        0    -1   -1   0   
$EndComp
$Comp
L HOLE M4
U 1 1 549D7665
P 10650 1900
F 0 "M4" V 10550 1900 60  0000 C CNN
F 1 "HOLE" H 10650 1800 60  0001 C CNN
F 2 "" H 10650 1900 60  0000 C CNN
F 3 "" H 10650 1900 60  0000 C CNN
        1    10650 1900
        0    -1   -1   0   
$EndComp
$Comp
L GND #PWR3
U 1 1 549D770F
P 10850 1850
F 0 "#PWR3" H 10850 1600 60  0001 C CNN
F 1 "GND" H 10850 1700 60  0000 C CNN
F 2 "" H 10850 1850 60  0000 C CNN
F 3 "" H 10850 1850 60  0000 C CNN
        1    10850 1850
        1    0    0    -1  
$EndComp
Wire Wire Line
        10850 1850 10850 1800
Wire Wire Line
        10850 1800 10050 1800
Wire Wire Line
        10050 1800 10050 1850
Wire Wire Line
        10250 1850 10250 1800
Connection ~ 10250 1800
Wire Wire Line
        10450 1850 10450 1800
Connection ~ 10450 1800
Wire Wire Line
        10650 1850 10650 1800
Connection ~ 10650 1800
Wire Notes Line
        9950 1750 10950 1750
Wire Notes Line
        10950 1750 10950 2150
Wire Notes Line
        10950 2150 9950 2150
Wire Notes Line
        9950 2150 9950 1750
Text Notes 9950 2150 0    60   ~ 0
MOUNTING HOLES
$Comp
L D_Small D1
U 1 1 55622FB7
P 9950 1200
F 0 "D1" V 9850 1200 50  0000 R CNN
F 1 "M4" V 10050 1150 50  0000 R CNN
F 2 "" V 9950 1200 60  0000 C CNN
F 3 "" V 9950 1200 60  0000 C CNN
        1    9950 1200
        0    -1   1    0   
$EndComp
$Comp
L C_Small C2
U 1 1 5562302C
P 9650 1200
F 0 "C2" H 9650 1300 50  0000 L CNN
F 1 "100nF" H 9650 1100 50  0000 L CNN
F 2 "" H 9650 1200 60  0000 C CNN
F 3 "" H 9650 1200 60  0000 C CNN
        1    9650 1200
        1    0    0    -1  
$EndComp
$Comp
L CP_Small C1
U 1 1 55623093
P 9350 1200
F 0 "C1" H 9350 1300 50  0000 L CNN
F 1 "C/U" H 9350 1100 50  0000 L CNN
F 2 "" H 9350 1200 60  0000 C CNN
F 3 "" H 9350 1200 60  0000 C CNN
        1    9350 1200
        1    0    0    -1  
$EndComp
Wire Wire Line
        10300 1050 9350 1050
Wire Wire Line
        9350 1000 9350 1100
Connection ~ 9350 1050
Wire Wire Line
        9650 1100 9650 1050
Connection ~ 9650 1050
Wire Wire Line
        9950 1100 9950 1050
Connection ~ 9950 1050
Wire Wire Line
        10300 950  10250 950 
Wire Wire Line
        10250 950  10250 1350
Wire Wire Line
        10250 1350 9350 1350
Wire Wire Line
        9350 1300 9350 1400
Connection ~ 9350 1350
Wire Wire Line
        9650 1300 9650 1350
Connection ~ 9650 1350
Wire Wire Line
        9950 1300 9950 1350
Connection ~ 9950 1350
Wire Wire Line
        10300 1150 10250 1150
Connection ~ 10250 1150
Wire Notes Line
        10950 750  10950 1700
Wire Notes Line
        10950 1700 9200 1700
Wire Notes Line
        9200 1700 9200 750 
Wire Notes Line
        9200 750  10950 750 
$Comp
L PAM8301 U?
U 1 1 57820806
P 5800 3350
F 0 "U?" H 5800 3828 50  0000 C CNN
F 1 "PAM8301" H 5800 3737 50  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-23-6" H 5850 3100 50  0001 L CNN
F 3 "" H 5800 3350 50  0000 C CNN
        1    5800 3350
        1    0    0    -1  
$EndComp
$EndSCHEMATC