EC-pH-temperature-shield.sch

EESchema Schematic File Version 2  date lun. 30 juil. 2012 16:00:57 CEST
LIBS:arduino_shieldsNCL
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:special
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:EC-pH-temperature-shield-cache
EELAYER 25  0
EELAYER END
$Descr A4 11700 8267
encoding utf-8
Sheet 1 1
Title ""
Date "30 jul 2012"
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Wire Wire Line
	1500 5550 1500 5450
Wire Wire Line
	1500 6450 1500 6550
Wire Wire Line
	900  6450 900  6550
Wire Wire Line
	4200 3650 4200 3750
Wire Wire Line
	4200 4250 3650 4250
Wire Wire Line
	3650 6100 3650 6050
Wire Wire Line
	3650 6100 2900 6100
Wire Wire Line
	3700 6500 3300 6500
Wire Wire Line
	3700 6500 3700 6700
Wire Wire Line
	5300 6500 5300 6150
Wire Wire Line
	5300 6500 5000 6500
Wire Wire Line
	4200 6500 4500 6500
Wire Wire Line
	6100 3950 6300 3950
Wire Wire Line
	6300 3950 6300 3650
Wire Wire Line
	6300 3650 8600 3650
Wire Wire Line
	8600 3650 8600 3800
Wire Wire Line
	9300 5900 9400 5900
Wire Wire Line
	10850 6000 10400 6000
Wire Wire Line
	9500 5650 9400 5650
Wire Wire Line
	9400 5650 9400 5900
Wire Wire Line
	9400 6100 9400 6550
Wire Wire Line
	9400 6550 9200 6550
Wire Wire Line
	7100 6650 7100 6800
Connection ~ 7100 6050
Wire Wire Line
	7100 6050 7500 6050
Wire Wire Line
	8800 5250 8800 3950
Wire Wire Line
	8800 3950 7200 3950
Wire Wire Line
	7200 3950 7200 3900
Wire Wire Line
	8600 5250 8600 5050
Wire Wire Line
	8900 4300 8600 4300
Wire Wire Line
	9500 4500 9500 4050
Wire Wire Line
	9500 4050 9300 4050
Wire Wire Line
	8600 4300 8600 4550
Wire Wire Line
	4200 3550 4050 3550
Wire Wire Line
	6100 3050 6500 3050
Wire Wire Line
	6500 3050 6500 3150
Wire Wire Line
	8600 5050 7200 5050
Wire Wire Line
	7200 5050 7200 4300
Wire Wire Line
	8900 4050 8600 4050
Wire Wire Line
	9300 4300 9500 4300
Connection ~ 9500 4300
Connection ~ 8800 4300
Wire Wire Line
	7100 5900 7100 6150
Wire Wire Line
	7500 6250 7500 6550
Wire Wire Line
	8500 6550 8500 6150
Wire Wire Line
	7500 6550 9000 6550
Connection ~ 8500 6550
Wire Wire Line
	10000 5650 10400 5650
Wire Wire Line
	10400 5650 10400 6000
Wire Wire Line
	8750 6100 8750 5900
Wire Wire Line
	8750 5900 8800 5900
Wire Wire Line
	7200 4300 6350 4300
Wire Wire Line
	6350 4300 6350 4050
Wire Wire Line
	6350 4050 6100 4050
Wire Wire Line
	4200 4150 3650 4150
Wire Wire Line
	4300 6250 4300 6500
Connection ~ 4300 6500
Wire Wire Line
	5300 6150 5550 6150
Wire Wire Line
	7100 5300 7100 5400
Wire Wire Line
	3650 6050 4300 6050
Wire Wire Line
	2900 6200 3300 6200
Wire Wire Line
	3300 6200 3300 6500
Wire Wire Line
	2900 6000 3300 6000
Wire Wire Line
	3300 6000 3300 5600
Wire Wire Line
	4000 3800 4000 3750
Wire Wire Line
	4000 3750 4200 3750
Wire Wire Line
	900  5450 900  5550
NoConn ~ 4200 3350
NoConn ~ 4200 3450
NoConn ~ 4200 3850
NoConn ~ 4200 4050
NoConn ~ 4200 4350
NoConn ~ 4200 4450
NoConn ~ 4200 4550
NoConn ~ 6100 2950
NoConn ~ 6100 3150
NoConn ~ 6100 3250
NoConn ~ 6100 3350
NoConn ~ 6100 3450
NoConn ~ 6100 3550
NoConn ~ 6100 3650
NoConn ~ 6100 3850
NoConn ~ 6100 4150
NoConn ~ 6100 4250
NoConn ~ 6100 4350
NoConn ~ 6100 4450
NoConn ~ 6100 4550
NoConn ~ 7200 4100
$Comp
L LM358 U?
U 3 1 50168100
P 1600 6000
AR Path="/5016809B" Ref="U?"  Part="3" 
AR Path="/50168100" Ref="U1"  Part="3" 
F 0 "U1" H 1550 6200 60  0000 L CNN
F 1 "TLC272" H 1550 5750 60  0000 L CNN
	3    1600 6000
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR01
U 1 1 501680FF
P 1500 6550
F 0 "#PWR01" H 1500 6550 30  0001 C CNN
F 1 "GND" H 1500 6480 30  0001 C CNN
	1    1500 6550
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR02
U 1 1 501680FE
P 1500 5450
F 0 "#PWR02" H 1500 5550 30  0001 C CNN
F 1 "VCC" H 1500 5550 30  0000 C CNN
	1    1500 5450
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR03
U 1 1 501680C2
P 900 5450
F 0 "#PWR03" H 900 5550 30  0001 C CNN
F 1 "VCC" H 900 5550 30  0000 C CNN
	1    900  5450
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR04
U 1 1 501680B8
P 900 6550
F 0 "#PWR04" H 900 6550 30  0001 C CNN
F 1 "GND" H 900 6480 30  0001 C CNN
	1    900  6550
	1    0    0    -1  
$EndComp
$Comp
L LM358 U2
U 3 1 5016809B
P 1000 6000
F 0 "U2" H 950 6200 60  0000 L CNN
F 1 "LM358" H 950 5750 60  0000 L CNN
	3    1000 6000
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR05
U 1 1 50167D2B
P 4000 3800
F 0 "#PWR05" H 4000 3800 30  0001 C CNN
F 1 "GND" H 4000 3730 30  0001 C CNN
	1    4000 3800
	1    0    0    -1  
$EndComp
Text Label 6800 4300 0    60   ~ 0
Ec_out
Text Label 8200 3650 0    60   ~ 0
Ec_en
Text Label 3850 4250 0    60   ~ 0
Vtemp
Text Label 5400 6150 0    60   ~ 0
Vtemp
$Comp
L CONN_3 Temp1
U 1 1 50167475
P 2550 6100
F 0 "Temp1" V 2500 6100 50  0000 C CNN
F 1 "CONN_3" V 2600 6100 40  0000 C CNN
	1    2550 6100
	-1   0    0    1   
$EndComp
$Comp
L VCC #PWR06
U 1 1 50167436
P 3300 5600
F 0 "#PWR06" H 3300 5700 30  0001 C CNN
F 1 "VCC" H 3300 5700 30  0000 C CNN
	1    3300 5600
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR07
U 1 1 50167347
P 3700 6700
F 0 "#PWR07" H 3700 6700 30  0001 C CNN
F 1 "GND" H 3700 6630 30  0001 C CNN
	1    3700 6700
	1    0    0    -1  
$EndComp
$Comp
L R R7
U 1 1 5016731D
P 4750 6500
F 0 "R7" V 4830 6500 50  0000 C CNN
F 1 "R" V 4750 6500 50  0000 C CNN
	1    4750 6500
	0    1    1    0   
$EndComp
$Comp
L R R6
U 1 1 50167310
P 3950 6500
F 0 "R6" V 4030 6500 50  0000 C CNN
F 1 "R" V 3950 6500 50  0000 C CNN
	1    3950 6500
	0    1    1    0   
$EndComp
$Comp
L LM358 U2
U 1 1 50167309
P 4800 6150
F 0 "U2" H 4750 6350 60  0000 L CNN
F 1 "LM358" H 4750 5900 60  0000 L CNN
	1    4800 6150
	1    0    0    -1  
$EndComp
Text Label 3850 4150 0    60   ~ 0
VpH
$Comp
L GND #PWR08
U 1 1 50157AE5
P 8750 6100
F 0 "#PWR08" H 8750 6100 30  0001 C CNN
F 1 "GND" H 8750 6030 30  0001 C CNN
	1    8750 6100
	1    0    0    -1  
$EndComp
Text Label 10650 6000 0    60   ~ 0
VpH
$Comp
L R R5
U 1 1 50157ABE
P 9750 5650
F 0 "R5" V 9830 5650 50  0000 C CNN
F 1 "120k" V 9750 5650 50  0000 C CNN
	1    9750 5650
	0    1    1    0   
$EndComp
$Comp
L R R4
U 1 1 50157AAE
P 9050 5900
F 0 "R4" V 9130 5900 50  0000 C CNN
F 1 "40k" V 9050 5900 50  0000 C CNN
	1    9050 5900
	0    -1   -1   0   
$EndComp
Text Label 8250 6550 0    60   ~ 0
Vref
$Comp
L GND #PWR09
U 1 1 50157A09
P 7100 6800
F 0 "#PWR09" H 7100 6800 30  0001 C CNN
F 1 "GND" H 7100 6730 30  0001 C CNN
	1    7100 6800
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR010
U 1 1 501579FF
P 7100 5300
F 0 "#PWR010" H 7100 5400 30  0001 C CNN
F 1 "VCC" H 7100 5400 30  0000 C CNN
	1    7100 5300
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 501579E4
P 7100 6400
F 0 "R2" V 7180 6400 50  0000 C CNN
F 1 "R" V 7100 6400 50  0000 C CNN
	1    7100 6400
	1    0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 501579DD
P 7100 5650
F 0 "R3" V 7180 5650 50  0000 C CNN
F 1 "R" V 7100 5650 50  0000 C CNN
	1    7100 5650
	1    0    0    -1  
$EndComp
$Comp
L LM358N U1
U 1 1 50157996
P 8000 6150
F 0 "U1" H 7950 6350 60  0000 L CNN
F 1 "TLC272" H 7950 5900 60  0000 L CNN
	1    8000 6150
	1    0    0    -1  
$EndComp
$Comp
L LM358N U1
U 2 1 50157990
P 9900 6000
F 0 "U1" H 9850 6200 60  0000 L CNN
F 1 "TLC272" H 9850 5750 60  0000 L CNN
	2    9900 6000
	1    0    0    1   
$EndComp
$Comp
L C C2
U 1 1 5013F7D0
P 9100 4300
F 0 "C2" H 9150 4400 50  0000 L CNN
F 1 "0.1uF" H 9150 4200 50  0000 L CNN
	1    9100 4300
	0    1    1    0   
$EndComp
$Comp
L GND #PWR011
U 1 1 5013F7B6
P 9500 4500
F 0 "#PWR011" H 9500 4500 30  0001 C CNN
F 1 "GND" H 9500 4430 30  0001 C CNN
	1    9500 4500
	1    0    0    -1  
$EndComp
$Comp
L C C1
U 1 1 5013F792
P 9100 4050
F 0 "C1" H 9150 4150 50  0000 L CNN
F 1 "0.1uF" H 9150 3950 50  0000 L CNN
	1    9100 4050
	0    1    1    0   
$EndComp
$Comp
L R R1
U 1 1 5013F702
P 8600 4800
F 0 "R1" V 8680 4800 50  0000 C CNN
F 1 "3.3k" V 8600 4800 50  0000 C CNN
	1    8600 4800
	1    0    0    -1  
$EndComp
$Comp
L VCC #PWR012
U 1 1 5013F6A9
P 4050 3550
F 0 "#PWR012" H 4050 3650 30  0001 C CNN
F 1 "VCC" H 4050 3650 30  0000 C CNN
	1    4050 3550
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR013
U 1 1 5013E5AA
P 6500 3150
F 0 "#PWR013" H 6500 3150 30  0001 C CNN
F 1 "GND" H 6500 3080 30  0001 C CNN
	1    6500 3150
	1    0    0    -1  
$EndComp
$Comp
L LM555N 555
U 1 1 5013E59D
P 7900 4100
F 0 "555" H 7900 4200 70  0000 C CNN
F 1 "LM555N" H 7900 4000 70  0000 C CNN
	1    7900 4100
	-1   0    0    1   
$EndComp
$Comp
L CONN_2 Ph1
U 1 1 5013E397
P 9100 6900
F 0 "Ph1" V 9050 6900 40  0000 C CNN
F 1 "CONN_2" V 9150 6900 40  0000 C CNN
	1    9100 6900
	0    1    1    0   
$EndComp
$Comp
L CONN_2 EC1
U 1 1 5013E391
P 8700 5600
F 0 "EC1" V 8650 5600 40  0000 C CNN
F 1 "CONN_2" V 8750 5600 40  0000 C CNN
	1    8700 5600
	0    -1   1    0   
$EndComp
$Comp
L ARDUINO_SHIELD SHIELD1
U 1 1 5013D62D
P 5150 3750
F 0 "SHIELD1" H 4800 4700 60  0000 C CNN
F 1 "ARDUINO_SHIELD" H 5200 2800 60  0000 C CNN
	1    5150 3750
	1    0    0    -1  
$EndComp
$EndSCHEMATC