EESchema Schematic File Version 2
LIBS:switches
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
LIBS:mpx4250
LIBS:SpeedyMAP-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 2
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L MPX4250 U2
U 1 1 5A52CB30
P 5800 2900
F 0 "U2" H 5950 2750 60  0000 C CNN
F 1 "MPX4250" H 5750 3050 60  0000 C CNN
F 2 "MPX4250:MPX4250" H 5750 2900 60  0001 C CNN
F 3 "" H 5750 2900 60  0000 C CNN
	1    5800 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4300 2850 5250 2850
$Comp
L R R2
U 1 1 5A52CB31
P 6700 2900
F 0 "R2" V 6780 2900 50  0000 C CNN
F 1 "R750" V 6700 2900 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 6630 2900 50  0001 C CNN
F 3 "" H 6700 2900 50  0000 C CNN
	1    6700 2900
	0    1    1    0   
$EndComp
Wire Wire Line
	6300 2900 6550 2900
$Comp
L GND #PWR16
U 1 1 5A52CB32
P 5100 3400
F 0 "#PWR16" H 5100 3150 50  0001 C CNN
F 1 "GND" H 5100 3250 50  0000 C CNN
F 2 "" H 5100 3400 50  0000 C CNN
F 3 "" H 5100 3400 50  0000 C CNN
	1    5100 3400
	1    0    0    -1  
$EndComp
Wire Wire Line
	5250 2950 5100 2950
Wire Wire Line
	5100 2950 5100 3400
Wire Wire Line
	6850 2900 7350 2900
Connection ~ 7100 2900
$Comp
L C C10
U 1 1 5A52CB33
P 7100 3100
F 0 "C10" H 7125 3200 50  0000 L CNN
F 1 "C0.3uF" H 7125 3000 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 7138 2950 50  0001 C CNN
F 3 "" H 7100 3100 50  0000 C CNN
	1    7100 3100
	1    0    0    -1  
$EndComp
Connection ~ 5100 3300
Wire Wire Line
	4500 3300 7100 3300
$Comp
L +5V #PWR12
U 1 1 5A52CB34
P 4300 2850
F 0 "#PWR12" H 4300 2700 50  0001 C CNN
F 1 "+5V" H 4300 2990 50  0000 C CNN
F 2 "" H 4300 2850 50  0000 C CNN
F 3 "" H 4300 2850 50  0000 C CNN
	1    4300 2850
	0    -1   -1   0   
$EndComp
Connection ~ 4500 2850
Connection ~ 4850 2850
$Comp
L C C2
U 1 1 5A52CB35
P 4500 3100
F 0 "C2" H 4525 3200 50  0000 L CNN
F 1 "C1uF" H 4525 3000 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4538 2950 50  0001 C CNN
F 3 "" H 4500 3100 50  0000 C CNN
	1    4500 3100
	1    0    0    -1  
$EndComp
$Comp
L C C6
U 1 1 5A52CB36
P 4850 3100
F 0 "C6" H 4875 3200 50  0000 L CNN
F 1 "C0.01uF" H 4875 3000 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4888 2950 50  0001 C CNN
F 3 "" H 4850 3100 50  0000 C CNN
	1    4850 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 2850 4500 2950
Wire Wire Line
	4850 2850 4850 2950
Wire Wire Line
	4850 3250 4850 3300
Wire Wire Line
	4500 3300 4500 3250
Connection ~ 4850 3300
Wire Wire Line
	7100 3300 7100 3250
Wire Wire Line
	4500 2850 4850 2850
Text GLabel 7350 2900 2    60   Input ~ 0
MAP2
Wire Wire Line
	4850 3300 5100 3300
Wire Wire Line
	7100 2900 7100 2950
$Comp
L MPX4250 U1
U 1 1 5A52CB37
P 5800 2000
F 0 "U1" H 5950 1850 60  0000 C CNN
F 1 "MPX4250" H 5750 2150 60  0000 C CNN
F 2 "MPX4250:MPX4250" H 5750 2000 60  0001 C CNN
F 3 "" H 5750 2000 60  0000 C CNN
	1    5800 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	4300 1950 5250 1950
$Comp
L R R1
U 1 1 5A52CB38
P 6700 2000
F 0 "R1" V 6780 2000 50  0000 C CNN
F 1 "R750" V 6700 2000 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 6630 2000 50  0001 C CNN
F 3 "" H 6700 2000 50  0000 C CNN
	1    6700 2000
	0    1    1    0   
$EndComp
Wire Wire Line
	6300 2000 6550 2000
$Comp
L GND #PWR15
U 1 1 5A52CB39
P 5100 2500
F 0 "#PWR15" H 5100 2250 50  0001 C CNN
F 1 "GND" H 5100 2350 50  0000 C CNN
F 2 "" H 5100 2500 50  0000 C CNN
F 3 "" H 5100 2500 50  0000 C CNN
	1    5100 2500
	1    0    0    -1  
$EndComp
Wire Wire Line
	5250 2050 5100 2050
Wire Wire Line
	5100 2050 5100 2500
Wire Wire Line
	6850 2000 7350 2000
Connection ~ 7100 2000
$Comp
L C C9
U 1 1 5A52CB3A
P 7100 2200
F 0 "C9" H 7125 2300 50  0000 L CNN
F 1 "C0.3uF" H 7125 2100 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 7138 2050 50  0001 C CNN
F 3 "" H 7100 2200 50  0000 C CNN
	1    7100 2200
	1    0    0    -1  
$EndComp
Connection ~ 5100 2400
Wire Wire Line
	4500 2400 7100 2400
$Comp
L +5V #PWR11
U 1 1 5A52CB3B
P 4300 1950
F 0 "#PWR11" H 4300 1800 50  0001 C CNN
F 1 "+5V" H 4300 2090 50  0000 C CNN
F 2 "" H 4300 1950 50  0000 C CNN
F 3 "" H 4300 1950 50  0000 C CNN
	1    4300 1950
	0    -1   -1   0   
$EndComp
Connection ~ 4500 1950
Connection ~ 4850 1950
$Comp
L C C1
U 1 1 5A52CB3C
P 4500 2200
F 0 "C1" H 4525 2300 50  0000 L CNN
F 1 "C1uF" H 4525 2100 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4538 2050 50  0001 C CNN
F 3 "" H 4500 2200 50  0000 C CNN
	1    4500 2200
	1    0    0    -1  
$EndComp
$Comp
L C C5
U 1 1 5A52CB3D
P 4850 2200
F 0 "C5" H 4875 2300 50  0000 L CNN
F 1 "C0.01uF" H 4875 2100 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4888 2050 50  0001 C CNN
F 3 "" H 4850 2200 50  0000 C CNN
	1    4850 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 1950 4500 2050
Wire Wire Line
	4850 1950 4850 2050
Wire Wire Line
	4850 2350 4850 2400
Wire Wire Line
	4500 2400 4500 2350
Connection ~ 4850 2400
Wire Wire Line
	7100 2400 7100 2350
Wire Wire Line
	4500 1950 4850 1950
Text GLabel 7350 2000 2    60   Input ~ 0
MAP1
Wire Wire Line
	4850 2400 5100 2400
Wire Wire Line
	7100 2000 7100 2050
$Comp
L MPX4250 U3
U 1 1 5A52CB3E
P 5800 3800
F 0 "U3" H 5950 3650 60  0000 C CNN
F 1 "MPX4250" H 5750 3950 60  0000 C CNN
F 2 "MPX4250:MPX4250" H 5750 3800 60  0001 C CNN
F 3 "" H 5750 3800 60  0000 C CNN
	1    5800 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	4300 3750 5250 3750
$Comp
L R R3
U 1 1 5A52CB3F
P 6700 3800
F 0 "R3" V 6780 3800 50  0000 C CNN
F 1 "R750" V 6700 3800 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 6630 3800 50  0001 C CNN
F 3 "" H 6700 3800 50  0000 C CNN
	1    6700 3800
	0    1    1    0   
$EndComp
Wire Wire Line
	6300 3800 6550 3800
$Comp
L GND #PWR17
U 1 1 5A52CB40
P 5100 4300
F 0 "#PWR17" H 5100 4050 50  0001 C CNN
F 1 "GND" H 5100 4150 50  0000 C CNN
F 2 "" H 5100 4300 50  0000 C CNN
F 3 "" H 5100 4300 50  0000 C CNN
	1    5100 4300
	1    0    0    -1  
$EndComp
Wire Wire Line
	5250 3850 5100 3850
Wire Wire Line
	5100 3850 5100 4300
Wire Wire Line
	6850 3800 7350 3800
Connection ~ 7100 3800
$Comp
L C C11
U 1 1 5A52CB41
P 7100 4000
F 0 "C11" H 7125 4100 50  0000 L CNN
F 1 "C0.3uF" H 7125 3900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 7138 3850 50  0001 C CNN
F 3 "" H 7100 4000 50  0000 C CNN
	1    7100 4000
	1    0    0    -1  
$EndComp
Connection ~ 5100 4200
Wire Wire Line
	4500 4200 7100 4200
$Comp
L +5V #PWR13
U 1 1 5A52CB42
P 4300 3750
F 0 "#PWR13" H 4300 3600 50  0001 C CNN
F 1 "+5V" H 4300 3890 50  0000 C CNN
F 2 "" H 4300 3750 50  0000 C CNN
F 3 "" H 4300 3750 50  0000 C CNN
	1    4300 3750
	0    -1   -1   0   
$EndComp
Connection ~ 4500 3750
Connection ~ 4850 3750
$Comp
L C C3
U 1 1 5A52CB43
P 4500 4000
F 0 "C3" H 4525 4100 50  0000 L CNN
F 1 "C1uF" H 4525 3900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4538 3850 50  0001 C CNN
F 3 "" H 4500 4000 50  0000 C CNN
	1    4500 4000
	1    0    0    -1  
$EndComp
$Comp
L C C7
U 1 1 5A52CB44
P 4850 4000
F 0 "C7" H 4875 4100 50  0000 L CNN
F 1 "C0.01uF" H 4875 3900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4888 3850 50  0001 C CNN
F 3 "" H 4850 4000 50  0000 C CNN
	1    4850 4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 3750 4500 3850
Wire Wire Line
	4850 3750 4850 3850
Wire Wire Line
	4850 4150 4850 4200
Wire Wire Line
	4500 4200 4500 4150
Connection ~ 4850 4200
Wire Wire Line
	7100 4200 7100 4150
Wire Wire Line
	4500 3750 4850 3750
Text GLabel 7350 3800 2    60   Input ~ 0
MAP3
Wire Wire Line
	4850 4200 5100 4200
Wire Wire Line
	7100 3800 7100 3850
$Comp
L MPX4250 U4
U 1 1 5A52CB45
P 5800 4700
F 0 "U4" H 5950 4550 60  0000 C CNN
F 1 "MPX4250" H 5750 4850 60  0000 C CNN
F 2 "MPX4250:MPX4250" H 5750 4700 60  0001 C CNN
F 3 "" H 5750 4700 60  0000 C CNN
	1    5800 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4300 4650 5250 4650
$Comp
L R R4
U 1 1 5A52CB46
P 6700 4700
F 0 "R4" V 6780 4700 50  0000 C CNN
F 1 "R750" V 6700 4700 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 6630 4700 50  0001 C CNN
F 3 "" H 6700 4700 50  0000 C CNN
	1    6700 4700
	0    1    1    0   
$EndComp
Wire Wire Line
	6300 4700 6550 4700
$Comp
L GND #PWR18
U 1 1 5A52CB47
P 5100 5200
F 0 "#PWR18" H 5100 4950 50  0001 C CNN
F 1 "GND" H 5100 5050 50  0000 C CNN
F 2 "" H 5100 5200 50  0000 C CNN
F 3 "" H 5100 5200 50  0000 C CNN
	1    5100 5200
	1    0    0    -1  
$EndComp
Wire Wire Line
	5250 4750 5100 4750
Wire Wire Line
	5100 4750 5100 5200
Wire Wire Line
	6850 4700 7350 4700
Connection ~ 7100 4700
$Comp
L C C12
U 1 1 5A52CB48
P 7100 4900
F 0 "C12" H 7125 5000 50  0000 L CNN
F 1 "C0.3uF" H 7125 4800 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 7138 4750 50  0001 C CNN
F 3 "" H 7100 4900 50  0000 C CNN
	1    7100 4900
	1    0    0    -1  
$EndComp
Connection ~ 5100 5100
Wire Wire Line
	4500 5100 7100 5100
$Comp
L +5V #PWR14
U 1 1 5A52CB49
P 4300 4650
F 0 "#PWR14" H 4300 4500 50  0001 C CNN
F 1 "+5V" H 4300 4790 50  0000 C CNN
F 2 "" H 4300 4650 50  0000 C CNN
F 3 "" H 4300 4650 50  0000 C CNN
	1    4300 4650
	0    -1   -1   0   
$EndComp
Connection ~ 4500 4650
Connection ~ 4850 4650
$Comp
L C C4
U 1 1 5A52CB4A
P 4500 4900
F 0 "C4" H 4525 5000 50  0000 L CNN
F 1 "C1uF" H 4525 4800 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4538 4750 50  0001 C CNN
F 3 "" H 4500 4900 50  0000 C CNN
	1    4500 4900
	1    0    0    -1  
$EndComp
$Comp
L C C8
U 1 1 5A52CB4B
P 4850 4900
F 0 "C8" H 4875 5000 50  0000 L CNN
F 1 "C0.01uF" H 4875 4800 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 4888 4750 50  0001 C CNN
F 3 "" H 4850 4900 50  0000 C CNN
	1    4850 4900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 4650 4500 4750
Wire Wire Line
	4850 4650 4850 4750
Wire Wire Line
	4850 5050 4850 5100
Wire Wire Line
	4500 5100 4500 5050
Connection ~ 4850 5100
Wire Wire Line
	7100 5100 7100 5050
Wire Wire Line
	4500 4650 4850 4650
Text GLabel 7350 4700 2    60   Input ~ 0
MAP4
Wire Wire Line
	4850 5100 5100 5100
Wire Wire Line
	7100 4700 7100 4750
$EndSCHEMATC