EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L LED:IR26-21C_L110_TR8 D1
U 1 1 5FB1BA9F
P 5150 2600
F 0 "D1" V 5189 2482 50  0000 R CNN
F 1 "IR LED" V 5098 2482 50  0000 R CNN
F 2 "LED_THT:LED_D3.0mm_IRBlack" H 5150 2800 50  0001 C CNN
F 3 "http://www.everlight.com/file/ProductFile/IR26-21C-L110-TR8.pdf" H 5150 2600 50  0001 C CNN
	1    5150 2600
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R1
U 1 1 5FB1C33E
P 5150 3250
F 0 "R1" H 5220 3296 50  0000 L CNN
F 1 "1k" H 5220 3205 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 5080 3250 50  0001 C CNN
F 3 "~" H 5150 3250 50  0001 C CNN
	1    5150 3250
	1    0    0    -1  
$EndComp
$Comp
L Sensor_Optical:SFH203 D2
U 1 1 5FB21AB9
P 5750 2650
F 0 "D2" V 5654 2808 50  0000 L CNN
F 1 "IR sensor" V 5745 2808 50  0000 L CNN
F 2 "LED_THT:LED_D3.0mm_IRBlack" H 5750 2825 50  0001 C CNN
F 3 "http://www.osram-os.com/Graphics/XPic9/00101656_0.pdf/SFH%20203,%20SFH%20203%20FA,%20Lead%20(Pb)%20Free%20Product%20-%20RoHS%20Compliant.pdf" H 5700 2650 50  0001 C CNN
	1    5750 2650
	0    1    1    0   
$EndComp
$Comp
L Device:R R2
U 1 1 5FB22808
P 5750 3250
F 0 "R2" H 5820 3296 50  0000 L CNN
F 1 "10k" H 5820 3205 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal" V 5680 3250 50  0001 C CNN
F 3 "~" H 5750 3250 50  0001 C CNN
	1    5750 3250
	1    0    0    -1  
$EndComp
$Comp
L Device:R_POT RV1
U 1 1 5FB22F70
P 4650 3000
F 0 "RV1" H 4581 3046 50  0000 R CNN
F 1 "R_POT" H 4581 2955 50  0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_Bourns_3296W_Vertical" H 4650 3000 50  0001 C CNN
F 3 "~" H 4650 3000 50  0001 C CNN
	1    4650 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	5750 2750 5750 2800
Wire Wire Line
	5150 2700 5150 2750
Wire Wire Line
	5150 3400 5150 3550
Wire Wire Line
	5150 3550 4650 3550
Wire Wire Line
	4650 3150 4650 3550
Wire Wire Line
	5150 3550 5750 3550
Wire Wire Line
	5750 3550 5750 3400
Connection ~ 5150 3550
Connection ~ 5750 2800
Wire Wire Line
	5750 2800 5750 3100
Connection ~ 5150 2750
Wire Wire Line
	5150 2750 5150 3100
Wire Wire Line
	5750 2450 5150 2450
Connection ~ 5150 2450
Wire Wire Line
	5150 2450 4650 2450
Wire Wire Line
	4650 2850 4650 2450
$Comp
L Connector_Generic:Conn_01x03 J1
U 1 1 5FB1B813
P 7300 2900
F 0 "J1" H 7380 2942 50  0000 L CNN
F 1 "Connector" H 7380 2851 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 7300 2900 50  0001 C CNN
F 3 "~" H 7300 2900 50  0001 C CNN
	1    7300 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	7100 2800 7100 2450
Connection ~ 5750 2450
Connection ~ 5750 3550
Wire Wire Line
	6950 2900 6950 3000
Wire Wire Line
	7100 2900 7050 2900
Wire Wire Line
	7050 2900 7050 3250
Wire Wire Line
	7050 3250 7100 3250
Wire Wire Line
	7100 3250 7100 3550
Wire Wire Line
	6950 3000 7100 3000
Wire Wire Line
	7100 3550 6550 3550
Wire Wire Line
	7100 2450 6550 2450
$Comp
L Amplifier_Operational:LM358 U1
U 3 1 5FBCAC6C
P 6650 2900
F 0 "U1" H 6608 2946 50  0000 L CNN
F 1 "LM358" H 6608 2855 50  0000 L CNN
F 2 "" H 6650 2900 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm2904-n.pdf" H 6650 2900 50  0001 C CNN
	3    6650 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6550 2600 6550 2450
Connection ~ 6550 2450
Wire Wire Line
	6550 2450 5750 2450
Wire Wire Line
	6550 3200 6550 3550
Connection ~ 6550 3550
Wire Wire Line
	6550 3550 5750 3550
Wire Wire Line
	6350 2800 5750 2800
Wire Wire Line
	4800 3000 6350 3000
$Comp
L Amplifier_Operational:LM358 U1
U 1 1 5FAF93E9
P 6650 2900
F 0 "U1" H 6650 3267 50  0000 C CNN
F 1 "LM358" H 6700 3200 50  0000 C CNN
F 2 "LM358:LM358" H 6650 2900 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm2904-n.pdf" H 6650 2900 50  0001 C CNN
	1    6650 2900
	1    0    0    -1  
$EndComp
$EndSCHEMATC