EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 8 8
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Device:Thermistor_NTC TH1
U 1 1 5E9BFA2C
P 5400 3950
F 0 "TH1" H 5498 3996 50  0000 L CNN
F 1 "Thermistor_NTC" H 5498 3905 50  0000 L CNN
F 2 "Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical" H 5400 4000 50  0001 C CNN
F 3 "~" H 5400 4000 50  0001 C CNN
	1    5400 3950
	1    0    0    -1  
$EndComp
$Comp
L Device:C C5
U 1 1 5E9BFA32
P 3750 4000
F 0 "C5" V 4002 4000 50  0000 C CNN
F 1 "0.01µ" V 3911 4000 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 3788 3850 50  0001 C CNN
F 3 "~" H 3750 4000 50  0001 C CNN
	1    3750 4000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3750 3750 3750 3850
Wire Wire Line
	3950 3950 3950 3250
Connection ~ 4550 3250
Wire Wire Line
	4050 3750 3750 3750
Wire Wire Line
	4050 3950 3950 3950
$Comp
L Device:R R24
U 1 1 5E9BFA3D
P 5200 3550
F 0 "R24" V 4993 3550 50  0000 C CNN
F 1 "1K" V 5084 3550 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 5130 3550 50  0001 C CNN
F 3 "~" H 5200 3550 50  0001 C CNN
	1    5200 3550
	0    1    1    0   
$EndComp
Wire Wire Line
	4550 3250 4550 3350
$Comp
L Device:C C7
U 1 1 5E9BFA44
P 5050 4450
F 0 "C7" H 5165 4496 50  0000 L CNN
F 1 "0.1µ" H 5165 4405 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 5088 4300 50  0001 C CNN
F 3 "~" H 5050 4450 50  0001 C CNN
	1    5050 4450
	1    0    0    -1  
$EndComp
Wire Wire Line
	3850 3550 3850 4200
Wire Wire Line
	3850 4200 5050 4200
Wire Wire Line
	5050 4200 5050 3950
Wire Wire Line
	3850 3550 4050 3550
Wire Wire Line
	5050 4200 5050 4300
Connection ~ 5050 4200
Wire Wire Line
	4550 4600 5050 4600
$Comp
L Device:Q_NPN_BCE Q6
U 1 1 5E9BFA52
P 5550 3550
F 0 "Q6" H 5741 3596 50  0000 L CNN
F 1 "Q_NPN_BCE" H 5741 3505 50  0000 L CNN
F 2 "Package_TO_SOT_THT:TO-126-3_Vertical" H 5750 3650 50  0001 C CNN
F 3 "http://www.farnell.com/datasheets/2307016.pdf" H 5550 3550 50  0001 C CNN
	1    5550 3550
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x02_Male J16
U 1 1 5E9BFA58
P 5200 2900
F 0 "J16" V 5262 2944 50  0000 L CNN
F 1 "Fan1" V 5353 2944 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 5200 2900 50  0001 C CNN
F 3 "~" H 5200 2900 50  0001 C CNN
	1    5200 2900
	0    1    1    0   
$EndComp
$Comp
L Connector:Conn_01x02_Male J17
U 1 1 5E9BFA5E
P 5550 2900
F 0 "J17" V 5612 2944 50  0000 L CNN
F 1 "Fan2" V 5703 2944 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 5550 2900 50  0001 C CNN
F 3 "~" H 5550 2900 50  0001 C CNN
	1    5550 2900
	0    1    1    0   
$EndComp
Wire Wire Line
	4550 3250 4650 3250
Wire Wire Line
	5100 3250 5100 3100
Wire Wire Line
	5100 3250 5450 3250
Wire Wire Line
	5450 3250 5450 3100
Connection ~ 5100 3250
Wire Wire Line
	5200 3100 5200 3200
Wire Wire Line
	5200 3200 5550 3200
Wire Wire Line
	5650 3200 5650 3350
Wire Wire Line
	5550 3100 5550 3200
Connection ~ 5550 3200
Wire Wire Line
	5550 3200 5650 3200
Wire Wire Line
	5650 3750 5650 4600
Wire Wire Line
	5650 4600 5050 4600
Connection ~ 5050 4600
Wire Wire Line
	4650 3350 4650 3250
Connection ~ 4650 3250
Wire Wire Line
	5400 3350 5400 3750
Wire Wire Line
	5400 4100 5400 4200
Wire Wire Line
	5400 4200 5050 4200
Wire Wire Line
	5050 3750 5400 3750
Connection ~ 5400 3750
Wire Wire Line
	5400 3750 5400 3800
Wire Wire Line
	3750 4150 3750 4600
Wire Wire Line
	3750 4600 4550 4600
Connection ~ 4550 4600
$Comp
L Device:R_Variable R23
U 1 1 5E9BFA7E
P 5200 3350
F 0 "R23" V 4955 3350 50  0000 C CNN
F 1 "20k" V 5046 3350 50  0000 C CNN
F 2 "Potentiometer_SMD:Potentiometer_Bourns_TC33X_Vertical" V 5130 3350 50  0001 C CNN
F 3 "~" H 5200 3350 50  0001 C CNN
	1    5200 3350
	0    1    1    0   
$EndComp
Wire Wire Line
	5400 3350 5350 3350
Wire Wire Line
	5050 3350 5000 3350
Wire Wire Line
	4550 4150 4550 4600
Wire Wire Line
	3950 3250 4550 3250
Wire Wire Line
	4650 3250 5100 3250
$Comp
L Timer:LM555 U2
U 1 1 5E9BFA89
P 4550 3750
F 0 "U2" H 4550 4331 50  0000 C CNN
F 1 "LM555" H 4550 4240 50  0000 C CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 4550 3750 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm555.pdf" H 4550 3750 50  0001 C CNN
	1    4550 3750
	1    0    0    -1  
$EndComp
$Comp
L Device:R R22
U 1 1 5E9BFA8F
P 4850 3350
F 0 "R22" V 4643 3350 50  0000 C CNN
F 1 "10K" V 4734 3350 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric_Pad1.15x1.40mm_HandSolder" V 4780 3350 50  0001 C CNN
F 3 "~" H 4850 3350 50  0001 C CNN
	1    4850 3350
	0    1    1    0   
$EndComp
Wire Wire Line
	4700 3350 4650 3350
Text HLabel 3350 2600 0    50   Input ~ 0
VCC
Text HLabel 3350 2750 0    50   Input ~ 0
GND
Wire Wire Line
	3350 2750 3600 2750
Wire Wire Line
	3600 2750 3600 3100
Wire Wire Line
	3600 4600 3750 4600
Connection ~ 3750 4600
Wire Wire Line
	3350 2600 4550 2600
Wire Wire Line
	4550 2600 4550 3100
$Comp
L Device:C C6
U 1 1 5E71C79F
P 4300 3100
F 0 "C6" V 4048 3100 50  0000 C CNN
F 1 "0.1u" V 4139 3100 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4338 2950 50  0001 C CNN
F 3 "~" H 4300 3100 50  0001 C CNN
	1    4300 3100
	0    1    1    0   
$EndComp
Wire Wire Line
	4450 3100 4550 3100
Connection ~ 4550 3100
Wire Wire Line
	4550 3100 4550 3250
Wire Wire Line
	4150 3100 3600 3100
Connection ~ 3600 3100
Wire Wire Line
	3600 3100 3600 4600
$EndSCHEMATC