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 1 2
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L ATMEGA328-A IC1
U 1 1 5A51EF33
P 6250 2550
F 0 "IC1" H 5500 3800 50  0000 L BNN
F 1 "ATMEGA328-A" H 6650 1150 50  0000 L BNN
F 2 "Housings_QFP:TQFP-32_7x7mm_Pitch0.8mm" H 6250 2550 50  0001 C CIN
F 3 "" H 6250 2550 50  0000 C CNN
	1    6250 2550
	1    0    0    -1  
$EndComp
$Comp
L Crystal Y1
U 1 1 5A5261DD
P 9250 2100
F 0 "Y1" H 9250 2250 50  0000 C CNN
F 1 "Crystal" H 9250 1950 50  0000 C CNN
F 2 "Crystals:Crystal_HC49-SD_SMD" H 9250 2100 50  0001 C CNN
F 3 "" H 9250 2100 50  0000 C CNN
	1    9250 2100
	0    1    1    0   
$EndComp
Text GLabel 7700 2400 2    60   Input ~ 0
MAP2
Text GLabel 7350 2300 2    60   Input ~ 0
MAP1
Text GLabel 7350 2500 2    60   Input ~ 0
MAP3
Text GLabel 7700 2600 2    60   Input ~ 0
MAP4
$Sheet
S 7150 4900 3700 1400
U 5A52C37B
F0 "MAP Sensors" 60
F1 "MAP Sensors.sch" 60
$EndSheet
$Comp
L C C13
U 1 1 5A52D01C
P 9700 1850
F 0 "C13" H 9725 1950 50  0000 L CNN
F 1 "C22pF" H 9725 1750 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 9738 1700 50  0001 C CNN
F 3 "" H 9700 1850 50  0000 C CNN
	1    9700 1850
	0    1    1    0   
$EndComp
$Comp
L GND #PWR9
U 1 1 5A52D09E
P 10100 1850
F 0 "#PWR9" H 10100 1600 50  0001 C CNN
F 1 "GND" H 10100 1700 50  0000 C CNN
F 2 "" H 10100 1850 50  0000 C CNN
F 3 "" H 10100 1850 50  0000 C CNN
	1    10100 1850
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR10
U 1 1 5A52D0C2
P 10100 2350
F 0 "#PWR10" H 10100 2100 50  0001 C CNN
F 1 "GND" H 10100 2200 50  0000 C CNN
F 2 "" H 10100 2350 50  0000 C CNN
F 3 "" H 10100 2350 50  0000 C CNN
	1    10100 2350
	0    -1   -1   0   
$EndComp
$Comp
L C C14
U 1 1 5A52D16E
P 9700 2350
F 0 "C14" H 9725 2450 50  0000 L CNN
F 1 "C22pF" H 9725 2250 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805_HandSoldering" H 9738 2200 50  0001 C CNN
F 3 "" H 9700 2350 50  0000 C CNN
	1    9700 2350
	0    1    1    0   
$EndComp
$Comp
L SW_SPST SW1
U 1 1 5A52D320
P 3050 4050
F 0 "SW1" H 3050 4175 50  0000 C CNN
F 1 "SW_SPST" H 3050 3950 50  0000 C CNN
F 2 "Buttons_Switches_ThroughHole:SW_TH_Tactile_Omron_B3F-10xx" H 3050 4050 50  0001 C CNN
F 3 "" H 3050 4050 50  0000 C CNN
F 4 "B3F-1002" H 3050 4050 60  0001 C CNN "Part Number"
	1    3050 4050
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR7
U 1 1 5A52D36F
P 3500 4050
F 0 "#PWR7" H 3500 3800 50  0001 C CNN
F 1 "GND" H 3500 3900 50  0000 C CNN
F 2 "" H 3500 4050 50  0000 C CNN
F 3 "" H 3500 4050 50  0000 C CNN
	1    3500 4050
	0    -1   -1   0   
$EndComp
$Comp
L R R5
U 1 1 5A52D3DC
P 3050 4550
F 0 "R5" V 3130 4550 50  0000 C CNN
F 1 "R10k" V 3050 4550 50  0000 C CNN
F 2 "Resistors_SMD:R_0805_HandSoldering" V 2980 4550 50  0001 C CNN
F 3 "" H 3050 4550 50  0000 C CNN
	1    3050 4550
	0    1    1    0   
$EndComp
$Comp
L +5V #PWR8
U 1 1 5A52D42B
P 3500 4550
F 0 "#PWR8" H 3500 4400 50  0001 C CNN
F 1 "+5V" H 3500 4690 50  0000 C CNN
F 2 "" H 3500 4550 50  0000 C CNN
F 3 "" H 3500 4550 50  0000 C CNN
	1    3500 4550
	0    1    1    0   
$EndComp
$Comp
L +5V #PWR6
U 1 1 5A52DDB8
P 5150 1450
F 0 "#PWR6" H 5150 1300 50  0001 C CNN
F 1 "+5V" H 5150 1590 50  0000 C CNN
F 2 "" H 5150 1450 50  0000 C CNN
F 3 "" H 5150 1450 50  0000 C CNN
	1    5150 1450
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR5
U 1 1 5A52DE6E
P 5100 3650
F 0 "#PWR5" H 5100 3400 50  0001 C CNN
F 1 "GND" H 5100 3500 50  0000 C CNN
F 2 "" H 5100 3650 50  0000 C CNN
F 3 "" H 5100 3650 50  0000 C CNN
	1    5100 3650
	0    1    1    0   
$EndComp
$Comp
L MCP4921-E/SN U5
U 1 1 5A52E25F
P 3000 2450
F 0 "U5" H 2550 2750 50  0000 L CNN
F 1 "MCP4921-E/SN" H 3000 2750 50  0000 L CNN
F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 3000 2450 50  0001 C CIN
F 3 "" H 3000 2450 50  0000 C CNN
	1    3000 2450
	1    0    0    -1  
$EndComp
Text GLabel 7400 1950 2    60   Input ~ 0
SCK
Text GLabel 7400 1750 2    60   Input ~ 0
MOSI
Text GLabel 2250 2250 0    60   Input ~ 0
MOSI
Text GLabel 2250 2350 0    60   Input ~ 0
SCK
Text GLabel 7400 1650 2    60   Input ~ 0
DAC_SS
Text GLabel 2250 2450 0    60   Input ~ 0
DAC_SS
$Comp
L GND #PWR3
U 1 1 5A52E5DE
P 2900 3050
F 0 "#PWR3" H 2900 2800 50  0001 C CNN
F 1 "GND" H 2900 2900 50  0000 C CNN
F 2 "" H 2900 3050 50  0000 C CNN
F 3 "" H 2900 3050 50  0000 C CNN
	1    2900 3050
	1    0    0    -1  
$EndComp
$Comp
L +5V #PWR4
U 1 1 5A52E654
P 3100 2950
F 0 "#PWR4" H 3100 2800 50  0001 C CNN
F 1 "+5V" H 3100 3090 50  0000 C CNN
F 2 "" H 3100 2950 50  0000 C CNN
F 3 "" H 3100 2950 50  0000 C CNN
	1    3100 2950
	-1   0    0    1   
$EndComp
$Comp
L +5V #PWR2
U 1 1 5A52E6B5
P 2900 1900
F 0 "#PWR2" H 2900 1750 50  0001 C CNN
F 1 "+5V" H 2900 2040 50  0000 C CNN
F 2 "" H 2900 1900 50  0000 C CNN
F 3 "" H 2900 1900 50  0000 C CNN
	1    2900 1900
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR1
U 1 1 5A52E833
P 1700 2550
F 0 "#PWR1" H 1700 2300 50  0001 C CNN
F 1 "GND" H 1700 2400 50  0000 C CNN
F 2 "" H 1700 2550 50  0000 C CNN
F 3 "" H 1700 2550 50  0000 C CNN
	1    1700 2550
	0    1    1    0   
$EndComp
$Comp
L 7805 U6
U 1 1 5A52F79A
P 2900 6100
F 0 "U6" H 3050 5904 50  0000 C CNN
F 1 "7805" H 2900 6300 50  0000 C CNN
F 2 "" H 2900 6100 50  0000 C CNN
F 3 "" H 2900 6100 50  0000 C CNN
	1    2900 6100
	1    0    0    -1  
$EndComp
$Comp
L C C?
U 1 1 5A5300ED
P 3050 4300
F 0 "C?" H 3075 4400 50  0000 L CNN
F 1 "C4.7nF" H 3075 4200 50  0000 L CNN
F 2 "" H 3088 4150 50  0000 C CNN
F 3 "" H 3050 4300 50  0000 C CNN
	1    3050 4300
	0    1    1    0   
$EndComp
$Comp
L D D?
U 1 1 5A530312
P 3050 4850
F 0 "D?" H 3050 4950 50  0000 C CNN
F 1 "D" H 3050 4750 50  0000 C CNN
F 2 "" H 3050 4850 50  0000 C CNN
F 3 "" H 3050 4850 50  0000 C CNN
	1    3050 4850
	-1   0    0    1   
$EndComp
$Comp
L AVR-ISP-6 CON?
U 1 1 5A530418
P 9250 3700
F 0 "CON?" H 9145 3940 50  0000 C CNN
F 1 "AVR-ISP-6" H 8985 3470 50  0000 L BNN
F 2 "AVR-ISP-6" V 8730 3740 50  0001 C CNN
F 3 "" H 9225 3700 50  0000 C CNN
	1    9250 3700
	1    0    0    -1  
$EndComp
Text GLabel 7400 1850 2    60   Input ~ 0
MISO
Text GLabel 7400 2900 2    60   Input ~ 0
RESET
Text GLabel 2050 4050 0    60   Input ~ 0
RESET
Text GLabel 8750 3800 0    60   Input ~ 0
RESET
Text GLabel 8750 3700 0    60   Input ~ 0
SCK
Text GLabel 8750 3600 0    60   Input ~ 0
MISO
$Comp
L GND #PWR?
U 1 1 5A530AC6
P 9850 3950
F 0 "#PWR?" H 9850 3700 50  0001 C CNN
F 1 "GND" H 9850 3800 50  0000 C CNN
F 2 "" H 9850 3950 50  0000 C CNN
F 3 "" H 9850 3950 50  0000 C CNN
	1    9850 3950
	0    -1   -1   0   
$EndComp
Text GLabel 9700 3700 2    60   Input ~ 0
MOSI
$Comp
L +5V #PWR?
U 1 1 5A530D05
P 9900 3500
F 0 "#PWR?" H 9900 3350 50  0001 C CNN
F 1 "+5V" H 9900 3640 50  0000 C CNN
F 2 "" H 9900 3500 50  0000 C CNN
F 3 "" H 9900 3500 50  0000 C CNN
	1    9900 3500
	0    1    1    0   
$EndComp
Connection ~ 11950 2050
Wire Wire Line
	7250 2300 7350 2300
Wire Wire Line
	7250 2400 7700 2400
Wire Wire Line
	7250 2500 7350 2500
Wire Wire Line
	7250 2600 7700 2600
Wire Wire Line
	7250 2050 8000 2050
Wire Wire Line
	8000 2050 8000 1950
Wire Wire Line
	8000 1950 9250 1950
Wire Wire Line
	7250 2150 8000 2150
Wire Wire Line
	8000 2150 8000 2250
Wire Wire Line
	8000 2250 9250 2250
Connection ~ 8800 1950
Connection ~ 8800 2250
Wire Wire Line
	8800 2250 8800 2350
Wire Wire Line
	8800 2350 9550 2350
Wire Wire Line
	9850 2350 10100 2350
Wire Wire Line
	9850 1850 10100 1850
Wire Wire Line
	8800 1950 8800 1850
Wire Wire Line
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Wire Wire Line
	3500 4050 3250 4050
Wire Wire Line
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Wire Wire Line
	3500 4550 3200 4550
Connection ~ 2650 4050
Wire Wire Line
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Wire Wire Line
	5150 1450 5350 1450
Wire Wire Line
	5350 1550 5150 1550
Wire Wire Line
	5150 1550 5150 1450
Wire Wire Line
	5100 3650 5350 3650
Wire Wire Line
	5350 3550 5100 3550
Wire Wire Line
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Wire Wire Line
	5100 3750 5350 3750
Connection ~ 5100 3650
Wire Wire Line
	7400 1950 7250 1950
Wire Wire Line
	7400 1750 7250 1750
Wire Wire Line
	2250 2250 2400 2250
Wire Wire Line
	2250 2350 2400 2350
Wire Wire Line
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Wire Wire Line
	2250 2450 2400 2450
Wire Wire Line
	2900 3050 2900 2850
Wire Wire Line
	3100 2950 3100 2850
Wire Wire Line
	2900 1900 2900 2050
Wire Wire Line
	1700 2550 2400 2550
Wire Wire Line
	3200 4300 3500 4300
Wire Wire Line
	3500 4300 3500 4050
Wire Wire Line
	2650 4550 2900 4550
Connection ~ 2650 4300
Wire Wire Line
	2650 4050 2650 4850
Wire Wire Line
	2650 4850 2900 4850
Connection ~ 2650 4550
Wire Wire Line
	3200 4850 3500 4850
Wire Wire Line
	3500 4850 3500 4550
Wire Wire Line
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Wire Notes Line
	1350 3600 4400 3600
Wire Notes Line
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Wire Notes Line
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Wire Notes Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
	9350 3600 9800 3600
Wire Wire Line
	9800 3600 9800 3500
Wire Wire Line
	9800 3500 9900 3500
Wire Wire Line
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Wire Wire Line
	9800 3800 9800 3950
Wire Wire Line
	9800 3950 9850 3950
$EndSCHEMATC