prusa_mk2_ext_drv.sch-bak

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 conn:CONN_01X04 CN3
U 1 1 61E1DDCC
P 6950 2750
F 0 "CN3" H 7050 2650 50  0000 L CNN
F 1 "X_MOT" H 7050 2750 50  0000 L CNN
F 2 "prusa_mk2_ext_drv:Molex_70553_4P" H 6950 2750 50  0001 C CNN
F 3 "" H 6950 2750 50  0001 C CNN
	1    6950 2750
	1    0    0    1   
$EndComp
$Comp
L prusa_mk2_ext_drv:STEPSTICK MD1
U 1 1 61E1EC05
P 5950 2400
F 0 "MD1" H 6200 2600 50  0000 C CNN
F 1 "TMC2209_X" H 6200 2500 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:STEPSTICK" H 6200 2533 50  0001 C CNN
F 3 "" H 5950 2400 50  0001 C CNN
	1    5950 2400
	1    0    0    -1  
$EndComp
$Comp
L device:CP CP3
U 1 1 61E20D4E
P 7200 2400
F 0 "CP3" V 6800 2400 50  0000 C CNN
F 1 "220u/35V" V 6800 2050 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:CP_Radial_D8.0mm_P3.50mm" H 7238 2250 50  0001 C CNN
F 3 "" H 7200 2400 50  0001 C CNN
	1    7200 2400
	0    -1   1    0   
$EndComp
$Comp
L device:C C2
U 1 1 61E22B0E
P 7200 3000
F 0 "C2" V 7350 3000 50  0000 C CNN
F 1 "100n/35V" V 7350 3250 50  0000 C CNN
F 2 "Capacitors_ThroughHole:C_Rect_L7_W2.5_P5" H 7238 2850 50  0001 C CNN
F 3 "" H 7200 3000 50  0001 C CNN
	1    7200 3000
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR018
U 1 1 61E23C6D
P 6700 3150
F 0 "#PWR018" H 6700 2900 50  0001 C CNN
F 1 "GND" H 6705 2977 50  0000 C CNN
F 2 "" H 6700 3150 50  0001 C CNN
F 3 "" H 6700 3150 50  0001 C CNN
	1    6700 3150
	1    0    0    -1  
$EndComp
Wire Wire Line
	6700 3150 6700 3100
Wire Wire Line
	6700 2500 6650 2500
Wire Wire Line
	6650 3100 6700 3100
Connection ~ 6700 3100
Wire Wire Line
	6700 3100 6700 2500
Wire Wire Line
	6650 3000 6950 3000
Wire Wire Line
	7050 2400 6950 2400
Wire Wire Line
	6750 2900 6650 2900
Wire Wire Line
	6750 2800 6650 2800
Wire Wire Line
	6650 2700 6750 2700
Wire Wire Line
	6650 2600 6750 2600
$Comp
L power:GND #PWR025
U 1 1 61E260C9
P 7350 2400
F 0 "#PWR025" H 7350 2150 50  0001 C CNN
F 1 "GND" V 7355 2272 50  0000 R CNN
F 2 "" H 7350 2400 50  0001 C CNN
F 3 "" H 7350 2400 50  0001 C CNN
	1    7350 2400
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR026
U 1 1 61E26975
P 7350 3000
F 0 "#PWR026" H 7350 2750 50  0001 C CNN
F 1 "GND" V 7355 2872 50  0000 R CNN
F 2 "" H 7350 3000 50  0001 C CNN
F 3 "" H 7350 3000 50  0001 C CNN
	1    7350 3000
	0    -1   -1   0   
$EndComp
$Comp
L power:+5V #PWR021
U 1 1 61E2726A
P 6950 3150
F 0 "#PWR021" H 6950 3000 50  0001 C CNN
F 1 "+5V" H 6965 3323 50  0000 C CNN
F 2 "" H 6950 3150 50  0001 C CNN
F 3 "" H 6950 3150 50  0001 C CNN
	1    6950 3150
	-1   0    0    1   
$EndComp
Wire Wire Line
	6950 3150 6950 3000
Connection ~ 6950 3000
Wire Wire Line
	6950 3000 7050 3000
$Comp
L device:C C1
U 1 1 61E2971D
P 7200 2150
F 0 "C1" V 6950 2150 50  0000 C CNN
F 1 "100n/35V" V 6950 2500 50  0000 C CNN
F 2 "Capacitors_ThroughHole:C_Rect_L7_W2.5_P5" H 7238 2000 50  0001 C CNN
F 3 "" H 7200 2150 50  0001 C CNN
	1    7200 2150
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR024
U 1 1 61E29723
P 7350 2150
F 0 "#PWR024" H 7350 1900 50  0001 C CNN
F 1 "GND" V 7355 2022 50  0000 R CNN
F 2 "" H 7350 2150 50  0001 C CNN
F 3 "" H 7350 2150 50  0001 C CNN
	1    7350 2150
	0    -1   -1   0   
$EndComp
$Comp
L power:+12V #PWR020
U 1 1 61E2AE9F
P 6950 2050
F 0 "#PWR020" H 6950 1900 50  0001 C CNN
F 1 "+12V" H 6965 2223 50  0000 C CNN
F 2 "" H 6950 2050 50  0001 C CNN
F 3 "" H 6950 2050 50  0001 C CNN
	1    6950 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 2050 6950 2150
Connection ~ 6950 2400
Wire Wire Line
	6950 2400 6650 2400
Wire Wire Line
	7050 2150 6950 2150
Connection ~ 6950 2150
Wire Wire Line
	6950 2150 6950 2400
$Comp
L conn:CONN_01X04 CN4
U 1 1 61E2F93C
P 6950 4400
F 0 "CN4" H 7050 4300 50  0000 L CNN
F 1 "Y_MOT" H 7050 4400 50  0000 L CNN
F 2 "prusa_mk2_ext_drv:Molex_70553_4P" H 6950 4400 50  0001 C CNN
F 3 "" H 6950 4400 50  0001 C CNN
	1    6950 4400
	1    0    0    1   
$EndComp
$Comp
L prusa_mk2_ext_drv:STEPSTICK MD2
U 1 1 61E2F942
P 5950 4050
F 0 "MD2" H 6200 4250 50  0000 C CNN
F 1 "TMC2209_Y" H 6200 4150 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:STEPSTICK" H 6200 4183 50  0001 C CNN
F 3 "" H 5950 4050 50  0001 C CNN
	1    5950 4050
	1    0    0    -1  
$EndComp
$Comp
L device:CP CP4
U 1 1 61E2F948
P 7200 4050
F 0 "CP4" V 6800 4050 50  0000 C CNN
F 1 "220u/35V" V 6800 3700 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:CP_Radial_D8.0mm_P3.50mm" H 7238 3900 50  0001 C CNN
F 3 "" H 7200 4050 50  0001 C CNN
	1    7200 4050
	0    -1   1    0   
$EndComp
$Comp
L device:C C4
U 1 1 61E2F94E
P 7200 4650
F 0 "C4" V 7350 4650 50  0000 C CNN
F 1 "100n/35V" V 7350 4900 50  0000 C CNN
F 2 "Capacitors_ThroughHole:C_Rect_L7_W2.5_P5" H 7238 4500 50  0001 C CNN
F 3 "" H 7200 4650 50  0001 C CNN
	1    7200 4650
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR019
U 1 1 61E2F954
P 6700 4800
F 0 "#PWR019" H 6700 4550 50  0001 C CNN
F 1 "GND" H 6705 4627 50  0000 C CNN
F 2 "" H 6700 4800 50  0001 C CNN
F 3 "" H 6700 4800 50  0001 C CNN
	1    6700 4800
	1    0    0    -1  
$EndComp
Wire Wire Line
	6700 4800 6700 4750
Wire Wire Line
	6700 4150 6650 4150
Wire Wire Line
	6650 4750 6700 4750
Connection ~ 6700 4750
Wire Wire Line
	6700 4750 6700 4150
Wire Wire Line
	6650 4650 6950 4650
Wire Wire Line
	7050 4050 6950 4050
Wire Wire Line
	6750 4550 6650 4550
Wire Wire Line
	6750 4450 6650 4450
Wire Wire Line
	6650 4350 6750 4350
Wire Wire Line
	6650 4250 6750 4250
$Comp
L power:GND #PWR028
U 1 1 61E2F965
P 7350 4050
F 0 "#PWR028" H 7350 3800 50  0001 C CNN
F 1 "GND" V 7355 3922 50  0000 R CNN
F 2 "" H 7350 4050 50  0001 C CNN
F 3 "" H 7350 4050 50  0001 C CNN
	1    7350 4050
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR029
U 1 1 61E2F96B
P 7350 4650
F 0 "#PWR029" H 7350 4400 50  0001 C CNN
F 1 "GND" V 7355 4522 50  0000 R CNN
F 2 "" H 7350 4650 50  0001 C CNN
F 3 "" H 7350 4650 50  0001 C CNN
	1    7350 4650
	0    -1   -1   0   
$EndComp
$Comp
L power:+5V #PWR023
U 1 1 61E2F971
P 6950 4800
F 0 "#PWR023" H 6950 4650 50  0001 C CNN
F 1 "+5V" H 6965 4973 50  0000 C CNN
F 2 "" H 6950 4800 50  0001 C CNN
F 3 "" H 6950 4800 50  0001 C CNN
	1    6950 4800
	-1   0    0    1   
$EndComp
Wire Wire Line
	6950 4800 6950 4650
Connection ~ 6950 4650
Wire Wire Line
	6950 4650 7050 4650
$Comp
L device:C C3
U 1 1 61E2F97A
P 7200 3800
F 0 "C3" V 6950 3800 50  0000 C CNN
F 1 "100n/35V" V 6950 4150 50  0000 C CNN
F 2 "Capacitors_ThroughHole:C_Rect_L7_W2.5_P5" H 7238 3650 50  0001 C CNN
F 3 "" H 7200 3800 50  0001 C CNN
	1    7200 3800
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR027
U 1 1 61E2F980
P 7350 3800
F 0 "#PWR027" H 7350 3550 50  0001 C CNN
F 1 "GND" V 7355 3672 50  0000 R CNN
F 2 "" H 7350 3800 50  0001 C CNN
F 3 "" H 7350 3800 50  0001 C CNN
	1    7350 3800
	0    -1   -1   0   
$EndComp
$Comp
L power:+12V #PWR022
U 1 1 61E2F986
P 6950 3700
F 0 "#PWR022" H 6950 3550 50  0001 C CNN
F 1 "+12V" H 6965 3873 50  0000 C CNN
F 2 "" H 6950 3700 50  0001 C CNN
F 3 "" H 6950 3700 50  0001 C CNN
	1    6950 3700
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 3700 6950 3800
Connection ~ 6950 4050
Wire Wire Line
	6950 4050 6650 4050
Wire Wire Line
	7050 3800 6950 3800
Connection ~ 6950 3800
Wire Wire Line
	6950 3800 6950 4050
Wire Wire Line
	5750 2400 3550 2400
Wire Wire Line
	2800 2400 2800 3250
Wire Wire Line
	2800 3250 2850 3250
Wire Wire Line
	2750 3100 2750 3350
Wire Wire Line
	2750 3350 2850 3350
$Comp
L conn:CONN_02X06 CN2
U 1 1 61E44515
P 3100 3500
F 0 "CN2" H 3100 4050 50  0000 C CNN
F 1 "MiniRambo" H 3100 3950 50  0000 C CNN
F 2 "Connectors:IDC_Header_Straight_12pins" H 3100 2300 50  0001 C CNN
F 3 "" H 3100 2300 50  0001 C CNN
	1    3100 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	2850 3450 2750 3450
Wire Wire Line
	2750 3450 2750 4650
Wire Wire Line
	2750 4650 5750 4650
$Comp
L power:GND #PWR06
U 1 1 61E46422
P 3350 3750
F 0 "#PWR06" H 3350 3500 50  0001 C CNN
F 1 "GND" H 3355 3577 50  0000 C CNN
F 2 "" H 3350 3750 50  0001 C CNN
F 3 "" H 3350 3750 50  0001 C CNN
	1    3350 3750
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR03
U 1 1 61E46C22
P 2550 3450
F 0 "#PWR03" H 2550 3300 50  0001 C CNN
F 1 "+5V" H 2565 3623 50  0000 C CNN
F 2 "" H 2550 3450 50  0001 C CNN
F 3 "" H 2550 3450 50  0001 C CNN
	1    2550 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5750 4750 4150 4750
Wire Wire Line
	3450 4750 3450 3450
Wire Wire Line
	3450 3450 3350 3450
Wire Wire Line
	3350 3350 3550 3350
Wire Wire Line
	3550 3350 3550 4050
Wire Wire Line
	3550 4050 5750 4050
Wire Wire Line
	5750 3000 3450 3000
Wire Wire Line
	3450 3000 3450 3250
Wire Wire Line
	3450 3250 3350 3250
Text Notes 7800 2900 0    200  ~ 40
X
Text Notes 7800 4500 0    200  ~ 40
Y
$Comp
L power:+12V #PWR04
U 1 1 61E632E3
P 2850 3750
F 0 "#PWR04" H 2850 3600 50  0001 C CNN
F 1 "+12V" H 2865 3923 50  0000 C CNN
F 2 "" H 2850 3750 50  0001 C CNN
F 3 "" H 2850 3750 50  0001 C CNN
	1    2850 3750
	-1   0    0    1   
$EndComp
$Comp
L device:CP CP1
U 1 1 61E2B6BF
P 2550 3750
F 0 "CP1" H 2900 3800 50  0000 C CNN
F 1 "47u/35V" H 2900 3700 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:CP_Radial_D6.3mm_P2.50mm" H 2588 3600 50  0001 C CNN
F 3 "" H 2550 3750 50  0001 C CNN
	1    2550 3750
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2550 3550 2550 3600
$Comp
L power:GND #PWR01
U 1 1 61E30630
P 2550 3900
F 0 "#PWR01" H 2550 3650 50  0001 C CNN
F 1 "GND" H 2555 3727 50  0000 C CNN
F 2 "" H 2550 3900 50  0001 C CNN
F 3 "" H 2550 3900 50  0001 C CNN
	1    2550 3900
	1    0    0    -1  
$EndComp
$Comp
L device:R R7
U 1 1 61E33FE1
P 5150 2500
F 0 "R7" V 5150 2000 50  0000 C CNN
F 1 "100k" V 5150 2200 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 5080 2500 50  0001 C CNN
F 3 "" H 5150 2500 50  0001 C CNN
	1    5150 2500
	0    1    1    0   
$EndComp
Wire Wire Line
	5750 2900 5750 2800
Wire Wire Line
	5750 4550 5750 4450
$Comp
L device:R R10
U 1 1 61E3AFCA
P 5150 4150
F 0 "R10" V 5150 3650 50  0000 C CNN
F 1 "100k" V 5150 3850 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 5080 4150 50  0001 C CNN
F 3 "" H 5150 4150 50  0001 C CNN
	1    5150 4150
	0    1    1    0   
$EndComp
Wire Wire Line
	5750 2500 5600 2500
Wire Wire Line
	5300 4150 5600 4150
$Comp
L conn:CONN_02X03 J3
U 1 1 61E4E04C
P 5500 3450
F 0 "J3" V 5454 3262 50  0000 R CNN
F 1 "CfgX" V 5545 3262 50  0000 R CNN
F 2 "prusa_mk2_ext_drv:JP_2.54mm_2x3PIN" H 5500 2250 50  0001 C CNN
F 3 "" H 5500 2250 50  0001 C CNN
	1    5500 3450
	0    -1   1    0   
$EndComp
$Comp
L conn:CONN_02X03 J4
U 1 1 61E4FC3E
P 5500 5100
F 0 "J4" V 5454 4912 50  0000 R CNN
F 1 "CfgY" V 5545 4912 50  0000 R CNN
F 2 "prusa_mk2_ext_drv:JP_2.54mm_2x3PIN" H 5500 3900 50  0001 C CNN
F 3 "" H 5500 3900 50  0001 C CNN
	1    5500 5100
	0    -1   1    0   
$EndComp
Wire Wire Line
	5600 4850 5600 4150
Connection ~ 5600 4150
Wire Wire Line
	5600 4150 5750 4150
Wire Wire Line
	5500 4850 5500 4250
Wire Wire Line
	5500 4250 5750 4250
Wire Wire Line
	5400 4850 5400 4350
Wire Wire Line
	5400 4350 5750 4350
Wire Wire Line
	5600 3200 5600 2500
Connection ~ 5600 2500
Wire Wire Line
	5600 2500 5300 2500
Wire Wire Line
	5500 3200 5500 2600
Wire Wire Line
	5500 2600 5750 2600
Wire Wire Line
	5400 3200 5400 2700
Wire Wire Line
	5400 2700 5750 2700
Wire Wire Line
	5400 5350 5500 5350
Connection ~ 5500 5350
Wire Wire Line
	5500 5350 5600 5350
Wire Wire Line
	5600 3700 5500 3700
Connection ~ 5500 3700
Wire Wire Line
	5500 3700 5400 3700
$Comp
L power:+5V #PWR017
U 1 1 61E62F8B
P 5500 5400
F 0 "#PWR017" H 5500 5250 50  0001 C CNN
F 1 "+5V" H 5515 5573 50  0000 C CNN
F 2 "" H 5500 5400 50  0001 C CNN
F 3 "" H 5500 5400 50  0001 C CNN
	1    5500 5400
	-1   0    0    1   
$EndComp
$Comp
L power:+5V #PWR016
U 1 1 61E635E4
P 5500 3750
F 0 "#PWR016" H 5500 3600 50  0001 C CNN
F 1 "+5V" H 5515 3923 50  0000 C CNN
F 2 "" H 5500 3750 50  0001 C CNN
F 3 "" H 5500 3750 50  0001 C CNN
	1    5500 3750
	-1   0    0    1   
$EndComp
Wire Wire Line
	5500 5400 5500 5350
Wire Wire Line
	5500 3750 5500 3700
$Comp
L power:GND #PWR015
U 1 1 61E6D8BE
P 5000 4400
F 0 "#PWR015" H 5000 4150 50  0001 C CNN
F 1 "GND" H 5005 4227 50  0000 C CNN
F 2 "" H 5000 4400 50  0001 C CNN
F 3 "" H 5000 4400 50  0001 C CNN
	1    5000 4400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR014
U 1 1 61E6DFD8
P 5000 2750
F 0 "#PWR014" H 5000 2500 50  0001 C CNN
F 1 "GND" H 5005 2577 50  0000 C CNN
F 2 "" H 5000 2750 50  0001 C CNN
F 3 "" H 5000 2750 50  0001 C CNN
	1    5000 2750
	1    0    0    -1  
$EndComp
Wire Wire Line
	5000 4400 5000 4350
Wire Wire Line
	5000 2750 5000 2700
$Comp
L transistors:BC546 Q1
U 1 1 61E73F21
P 4150 3650
F 0 "Q1" H 4341 3696 50  0000 L CNN
F 1 "BC546" H 4341 3605 50  0000 L CNN
F 2 "prusa_mk2_ext_drv:TO-92_Inline_Wide" H 4350 3575 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC547.pdf" H 4150 3650 50  0001 L CNN
	1    4150 3650
	1    0    0    -1  
$EndComp
$Comp
L conn:CONN_01X03 J1
U 1 1 61E75930
P 4450 3350
F 0 "J1" H 4528 3391 50  0000 L CNN
F 1 "DirRevX" H 4528 3300 50  0000 L CNN
F 2 "prusa_mk2_ext_drv:JP_2.54mm_3PIN" H 4528 3254 50  0001 L CNN
F 3 "" H 4450 3350 50  0001 C CNN
	1    4450 3350
	1    0    0    -1  
$EndComp
$Comp
L device:R R3
U 1 1 61E795C2
P 3950 3500
F 0 "R3" H 4150 3450 50  0000 C CNN
F 1 "100k" H 4150 3550 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 3880 3500 50  0001 C CNN
F 3 "" H 3950 3500 50  0001 C CNN
	1    3950 3500
	-1   0    0    1   
$EndComp
Wire Wire Line
	3950 3350 3950 3250
Wire Wire Line
	3950 3100 2750 3100
Wire Wire Line
	4250 3250 3950 3250
Connection ~ 3950 3250
Wire Wire Line
	3950 3250 3950 3100
Wire Wire Line
	5750 3100 4150 3100
Wire Wire Line
	4150 3100 4150 3350
Wire Wire Line
	4150 3350 4250 3350
$Comp
L power:GND #PWR012
U 1 1 61E82BD1
P 4250 3850
F 0 "#PWR012" H 4250 3600 50  0001 C CNN
F 1 "GND" H 4255 3677 50  0000 C CNN
F 2 "" H 4250 3850 50  0001 C CNN
F 3 "" H 4250 3850 50  0001 C CNN
	1    4250 3850
	1    0    0    -1  
$EndComp
$Comp
L device:R R5
U 1 1 61E83084
P 4150 2800
F 0 "R5" H 4350 2750 50  0000 C CNN
F 1 "10k" H 4350 2850 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 4080 2800 50  0001 C CNN
F 3 "" H 4150 2800 50  0001 C CNN
	1    4150 2800
	-1   0    0    1   
$EndComp
Wire Wire Line
	4150 3100 4150 2950
Connection ~ 4150 3100
$Comp
L power:+5V #PWR010
U 1 1 61E86285
P 4150 2650
F 0 "#PWR010" H 4150 2500 50  0001 C CNN
F 1 "+5V" H 4165 2823 50  0000 C CNN
F 2 "" H 4150 2650 50  0001 C CNN
F 3 "" H 4150 2650 50  0001 C CNN
	1    4150 2650
	1    0    0    -1  
$EndComp
$Comp
L transistors:BC546 Q2
U 1 1 61E9534B
P 4150 5300
F 0 "Q2" H 4341 5346 50  0000 L CNN
F 1 "BC546" H 4341 5255 50  0000 L CNN
F 2 "prusa_mk2_ext_drv:TO-92_Inline_Wide" H 4350 5225 50  0001 L CIN
F 3 "http://www.fairchildsemi.com/ds/BC/BC547.pdf" H 4150 5300 50  0001 L CNN
	1    4150 5300
	1    0    0    -1  
$EndComp
$Comp
L conn:CONN_01X03 J2
U 1 1 61E95351
P 4450 5000
F 0 "J2" H 4528 5041 50  0000 L CNN
F 1 "DirRevY" H 4528 4950 50  0000 L CNN
F 2 "prusa_mk2_ext_drv:JP_2.54mm_3PIN" H 4450 5000 50  0001 C CNN
F 3 "" H 4450 5000 50  0001 C CNN
	1    4450 5000
	1    0    0    -1  
$EndComp
$Comp
L device:R R4
U 1 1 61E95357
P 3950 5150
F 0 "R4" H 4150 5100 50  0000 C CNN
F 1 "100k" H 4150 5200 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 3880 5150 50  0001 C CNN
F 3 "" H 3950 5150 50  0001 C CNN
	1    3950 5150
	-1   0    0    1   
$EndComp
Wire Wire Line
	3950 5000 3950 4900
Wire Wire Line
	4250 4900 3950 4900
Connection ~ 3950 4900
Wire Wire Line
	3950 4900 3950 4750
Wire Wire Line
	4150 4750 4150 5000
Wire Wire Line
	4150 5000 4250 5000
$Comp
L power:GND #PWR013
U 1 1 61E95363
P 4250 5500
F 0 "#PWR013" H 4250 5250 50  0001 C CNN
F 1 "GND" H 4255 5327 50  0000 C CNN
F 2 "" H 4250 5500 50  0001 C CNN
F 3 "" H 4250 5500 50  0001 C CNN
	1    4250 5500
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 4750 3450 4750
$Comp
L device:R R6
U 1 1 61EA5DDE
P 4150 4450
F 0 "R6" H 4350 4400 50  0000 C CNN
F 1 "10k" H 4350 4500 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 4080 4450 50  0001 C CNN
F 3 "" H 4150 4450 50  0001 C CNN
	1    4150 4450
	-1   0    0    1   
$EndComp
$Comp
L power:+5V #PWR011
U 1 1 61EA5DE5
P 4150 4300
F 0 "#PWR011" H 4150 4150 50  0001 C CNN
F 1 "+5V" H 4165 4473 50  0000 C CNN
F 2 "" H 4150 4300 50  0001 C CNN
F 3 "" H 4150 4300 50  0001 C CNN
	1    4150 4300
	1    0    0    -1  
$EndComp
Wire Wire Line
	4150 4750 4150 4600
Connection ~ 4150 4750
$Comp
L device:R R2
U 1 1 61EB2512
P 3550 4250
F 0 "R2" H 3750 4200 50  0000 C CNN
F 1 "10k" H 3750 4300 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 3480 4250 50  0001 C CNN
F 3 "" H 3550 4250 50  0001 C CNN
	1    3550 4250
	-1   0    0    1   
$EndComp
$Comp
L power:+5V #PWR08
U 1 1 61EB5E57
P 3550 4400
F 0 "#PWR08" H 3550 4250 50  0001 C CNN
F 1 "+5V" H 3565 4573 50  0000 C CNN
F 2 "" H 3550 4400 50  0001 C CNN
F 3 "" H 3550 4400 50  0001 C CNN
	1    3550 4400
	-1   0    0    1   
$EndComp
Wire Wire Line
	3550 4100 3550 4050
Connection ~ 3550 4050
$Comp
L device:R R1
U 1 1 61EB9D81
P 3550 2600
F 0 "R1" H 3750 2550 50  0000 C CNN
F 1 "10k" H 3750 2650 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 3480 2600 50  0001 C CNN
F 3 "" H 3550 2600 50  0001 C CNN
	1    3550 2600
	-1   0    0    1   
$EndComp
$Comp
L power:+5V #PWR07
U 1 1 61EB9D87
P 3550 2750
F 0 "#PWR07" H 3550 2600 50  0001 C CNN
F 1 "+5V" H 3565 2923 50  0000 C CNN
F 2 "" H 3550 2750 50  0001 C CNN
F 3 "" H 3550 2750 50  0001 C CNN
	1    3550 2750
	-1   0    0    1   
$EndComp
Wire Wire Line
	3550 2450 3550 2400
Connection ~ 3550 2400
Wire Wire Line
	3550 2400 2800 2400
$Comp
L device:R R12
U 1 1 61EEE37D
P 5150 4350
F 0 "R12" V 5150 3850 50  0000 C CNN
F 1 "100k" V 5150 4050 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 5080 4350 50  0001 C CNN
F 3 "" H 5150 4350 50  0001 C CNN
	1    5150 4350
	0    1    1    0   
$EndComp
Connection ~ 5000 4350
Wire Wire Line
	5000 4350 5000 4250
$Comp
L device:R R9
U 1 1 61EEE5F1
P 5150 2700
F 0 "R9" V 5150 2200 50  0000 C CNN
F 1 "100k" V 5150 2400 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 5080 2700 50  0001 C CNN
F 3 "" H 5150 2700 50  0001 C CNN
	1    5150 2700
	0    1    1    0   
$EndComp
Connection ~ 5000 2700
Wire Wire Line
	5000 2700 5000 2600
Wire Wire Line
	5300 2700 5400 2700
Connection ~ 5400 2700
Wire Wire Line
	5300 4350 5400 4350
Connection ~ 5400 4350
$Comp
L device:R R8
U 1 1 61EF5857
P 5150 2600
F 0 "R8" V 5150 2100 50  0000 C CNN
F 1 "100k" V 5150 2300 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 5080 2600 50  0001 C CNN
F 3 "" H 5150 2600 50  0001 C CNN
	1    5150 2600
	0    1    1    0   
$EndComp
Connection ~ 5000 2600
Wire Wire Line
	5000 2600 5000 2500
$Comp
L device:R R11
U 1 1 61EF597C
P 5150 4250
F 0 "R11" V 5150 3750 50  0000 C CNN
F 1 "100k" V 5150 3950 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 5080 4250 50  0001 C CNN
F 3 "" H 5150 4250 50  0001 C CNN
	1    5150 4250
	0    1    1    0   
$EndComp
Connection ~ 5000 4250
Wire Wire Line
	5000 4250 5000 4150
Wire Wire Line
	5300 4250 5500 4250
Connection ~ 5500 4250
Wire Wire Line
	5300 2600 5500 2600
Connection ~ 5500 2600
Wire Wire Line
	2850 3750 2850 3650
Connection ~ 2850 3750
Wire Wire Line
	2550 3450 2550 3550
Connection ~ 2550 3550
Wire Wire Line
	2550 3550 2850 3550
Wire Wire Line
	3350 3750 3350 3650
Connection ~ 3350 3750
Connection ~ 3350 3650
Wire Wire Line
	3350 3650 3350 3550
$Comp
L device:R R14
U 1 1 61FA709D
P 5250 5100
F 0 "R14" H 5450 5050 50  0000 C CNN
F 1 "10k" H 5450 5150 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 5180 5100 50  0001 C CNN
F 3 "" H 5250 5100 50  0001 C CNN
	1    5250 5100
	-1   0    0    1   
$EndComp
$Comp
L device:R R13
U 1 1 61FA7688
P 5250 3450
F 0 "R13" H 5450 3400 50  0000 C CNN
F 1 "10k" H 5450 3500 50  0000 C CNN
F 2 "prusa_mk2_ext_drv:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal" V 5180 3450 50  0001 C CNN
F 3 "" H 5250 3450 50  0001 C CNN
	1    5250 3450
	-1   0    0    1   
$EndComp
Wire Wire Line
	5250 3300 5250 2900
Wire Wire Line
	5250 2900 5750 2900
Connection ~ 5750 2900
Wire Wire Line
	5400 3700 5250 3700
Wire Wire Line
	5250 3700 5250 3600
Connection ~ 5400 3700
Wire Wire Line
	5400 5350 5250 5350
Wire Wire Line
	5250 5350 5250 5250
Connection ~ 5400 5350
Wire Wire Line
	5250 4950 5250 4550
Wire Wire Line
	5250 4550 5750 4550
Connection ~ 5750 4550
$Comp
L conn:CONN_01X03 CN?
U 1 1 6201ED9F
P 2500 4450
F 0 "CN?" V 2700 4550 50  0000 R CNN
F 1 "FAN" V 2600 4550 50  0000 R CNN
F 2 "Connectors:Fan_Pin_Header_Straight_1x03" H 2500 4450 50  0001 C CNN
F 3 "" H 2500 4450 50  0001 C CNN
	1    2500 4450
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR?
U 1 1 62022051
P 2400 4650
F 0 "#PWR?" H 2400 4400 50  0001 C CNN
F 1 "GND" H 2405 4477 50  0000 C CNN
F 2 "" H 2400 4650 50  0001 C CNN
F 3 "" H 2400 4650 50  0001 C CNN
	1    2400 4650
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR?
U 1 1 62022840
P 2500 4900
F 0 "#PWR?" H 2500 4750 50  0001 C CNN
F 1 "+12V" H 2515 5073 50  0000 C CNN
F 2 "" H 2500 4900 50  0001 C CNN
F 3 "" H 2500 4900 50  0001 C CNN
	1    2500 4900
	-1   0    0    1   
$EndComp
Wire Wire Line
	2500 4900 2500 4650
$EndSCHEMATC