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
NoConn ~ 5800 2600
Wire Wire Line
	9150 5100 9100 5100
NoConn ~ 8650 3650
Wire Wire Line
	7900 3950 8000 3950
Text Label 8000 3950 0    50   ~ 0
GND
Wire Wire Line
	7600 4650 7500 4650
Wire Wire Line
	8100 4650 8650 4650
Wire Wire Line
	8100 4550 8650 4550
Wire Wire Line
	8100 4450 8650 4450
Wire Wire Line
	7900 4050 8650 4050
Wire Wire Line
	9050 5100 9050 4850
Wire Wire Line
	9150 5100 9150 4850
Wire Wire Line
	10800 4200 10800 5100
Wire Wire Line
	9050 3200 10800 3200
Wire Wire Line
	10300 4500 10300 4300
Wire Wire Line
	9500 4500 10300 4500
Wire Wire Line
	9500 4350 9500 4500
Wire Wire Line
	9450 4350 9500 4350
Wire Wire Line
	10100 4400 10100 4300
Wire Wire Line
	9550 4400 10100 4400
Wire Wire Line
	9550 4250 9550 4400
Wire Wire Line
	9450 4250 9550 4250
NoConn ~ 10200 4300
NoConn ~ 10200 3800
Wire Wire Line
	10300 3500 10300 3800
Wire Wire Line
	9500 3500 10300 3500
Wire Wire Line
	9500 4050 9500 3500
Wire Wire Line
	9450 4050 9500 4050
Wire Wire Line
	10100 3550 10100 3800
Wire Wire Line
	9550 3550 10100 3550
Wire Wire Line
	9550 3950 9550 3550
Wire Wire Line
	9450 3950 9550 3950
$Comp
L Driver_Motor:Pololu_Breakout_DRV8825 A3
U 1 1 60BC4D35
P 9050 4050
F 0 "A3" H 9050 4831 50  0000 C CNN
F 1 "Pololu_Breakout_DRV8825" H 9050 4740 50  0000 C CNN
F 2 "new_footprint:Header_SMD_02x08_P2.54mm_Row_pitch_12.7mm" H 9250 3250 50  0001 L CNN
F 3 "https://www.pololu.com/product/2982" H 9150 3750 50  0001 C CNN
	1    9050 4050
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x03_Odd_Even J11
U 1 1 60BC4D2F
P 10200 4000
F 0 "J11" H 10250 4317 50  0000 C CNN
F 1 "Conn_02x03_Odd_Even" H 10250 4226 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical_SMD" H 10200 4000 50  0001 C CNN
F 3 "~" H 10200 4000 50  0001 C CNN
	1    10200 4000
	0    -1   1    0   
$EndComp
$Comp
L Fab:Conn_01x02_Male J7
U 1 1 60BC4D29
P 7700 3950
F 0 "J7" H 7808 4131 50  0000 C CNN
F 1 "Conn_01x02_Male" H 7808 4040 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical_SMD_Pin1Right" H 7700 3950 50  0001 C CNN
F 3 "~" H 7700 3950 50  0001 C CNN
	1    7700 3950
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x03_Odd_Even J9
U 1 1 60BC4D23
P 7800 4550
F 0 "J9" H 7850 4867 50  0000 C CNN
F 1 "Conn_02x03_Odd_Even" H 7850 4776 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical_SMD" H 7800 4550 50  0001 C CNN
F 3 "~" H 7800 4550 50  0001 C CNN
	1    7800 4550
	1    0    0    -1  
$EndComp
$Comp
L Fab:C C4
U 1 1 60BC4D1D
P 10800 4050
F 0 "C4" H 10915 4096 50  0000 L CNN
F 1 "100 µF" H 10915 4005 50  0000 L CNN
F 2 "Capacitor_SMD:CP_Elec_8x6.2" H 10838 3900 50  0001 C CNN
F 3 "" H 10800 4050 50  0001 C CNN
	1    10800 4050
	1    0    0    -1  
$EndComp
NoConn ~ 8650 1250
Wire Wire Line
	7900 1550 8000 1550
Text Label 8000 1550 0    50   ~ 0
GND
Wire Wire Line
	8100 2250 8650 2250
Wire Wire Line
	8100 2150 8650 2150
Wire Wire Line
	7900 1650 8650 1650
Wire Wire Line
	9050 2700 9050 2450
Wire Wire Line
	9150 2700 9100 2700
Wire Wire Line
	9150 2700 9150 2450
Wire Wire Line
	10800 1800 10800 2700
Wire Wire Line
	10800 700  10800 1500
Wire Wire Line
	9050 700  10800 700 
Wire Wire Line
	9050 1050 9050 700 
Wire Wire Line
	10300 2100 10300 1900
Wire Wire Line
	9500 2100 10300 2100
Wire Wire Line
	9500 1950 9500 2100
Wire Wire Line
	9450 1950 9500 1950
Wire Wire Line
	10100 2000 10100 1900
Wire Wire Line
	9550 2000 10100 2000
Wire Wire Line
	9550 1850 9550 2000
Wire Wire Line
	9450 1850 9550 1850
NoConn ~ 10200 1900
NoConn ~ 10200 1400
Wire Wire Line
	10300 1100 10300 1400
Wire Wire Line
	9500 1100 10300 1100
Wire Wire Line
	9500 1650 9500 1100
Wire Wire Line
	9450 1650 9500 1650
Wire Wire Line
	10100 1150 10100 1400
Wire Wire Line
	9550 1150 10100 1150
Wire Wire Line
	9550 1550 9550 1150
Wire Wire Line
	9450 1550 9550 1550
$Comp
L Driver_Motor:Pololu_Breakout_DRV8825 A2
U 1 1 60B82CAB
P 9050 1650
F 0 "A2" H 9050 2431 50  0000 C CNN
F 1 "Pololu_Breakout_DRV8825" H 9050 2340 50  0000 C CNN
F 2 "new_footprint:Header_SMD_02x08_P2.54mm_Row_pitch_12.7mm" H 9250 850 50  0001 L CNN
F 3 "https://www.pololu.com/product/2982" H 9150 1350 50  0001 C CNN
	1    9050 1650
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x03_Odd_Even J10
U 1 1 60B76CBB
P 10200 1600
F 0 "J10" H 10250 1917 50  0000 C CNN
F 1 "Conn_02x03_Odd_Even" H 10250 1826 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical_SMD" H 10200 1600 50  0001 C CNN
F 3 "~" H 10200 1600 50  0001 C CNN
	1    10200 1600
	0    -1   1    0   
$EndComp
$Comp
L Fab:Conn_01x02_Male J6
U 1 1 60B77204
P 7700 1550
F 0 "J6" H 7808 1731 50  0000 C CNN
F 1 "Conn_01x02_Male" H 7808 1640 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical_SMD_Pin1Right" H 7700 1550 50  0001 C CNN
F 3 "~" H 7700 1550 50  0001 C CNN
	1    7700 1550
	1    0    0    -1  
$EndComp
$Comp
L Fab:C C3
U 1 1 60B64E76
P 10800 1650
F 0 "C3" H 10915 1696 50  0000 L CNN
F 1 "100 µF" H 10915 1605 50  0000 L CNN
F 2 "Capacitor_SMD:CP_Elec_8x6.2" H 10838 1500 50  0001 C CNN
F 3 "" H 10800 1650 50  0001 C CNN
	1    10800 1650
	1    0    0    -1  
$EndComp
Wire Wire Line
	4600 6850 4550 6850
Connection ~ 2950 5500
NoConn ~ 4100 5400
Wire Wire Line
	3350 5700 3450 5700
Text Label 3450 5700 0    50   ~ 0
GND
Wire Wire Line
	3050 6400 2950 6400
Wire Wire Line
	4100 5500 2950 5500
Wire Wire Line
	3550 6400 4100 6400
Wire Wire Line
	3550 6300 4100 6300
Wire Wire Line
	3550 6200 4100 6200
Wire Wire Line
	3350 5800 4100 5800
Wire Wire Line
	4500 6850 4500 6600
Wire Wire Line
	4600 6850 4600 6600
Wire Wire Line
	6250 5950 6250 6850
Wire Wire Line
	4500 5200 4500 4900
Wire Wire Line
	5750 6250 5750 6050
Wire Wire Line
	4950 6250 5750 6250
Wire Wire Line
	4950 6100 4950 6250
Wire Wire Line
	4900 6100 4950 6100
Wire Wire Line
	5550 6150 5550 6050
Wire Wire Line
	5000 6150 5550 6150
Wire Wire Line
	5000 6000 5000 6150
Wire Wire Line
	4900 6000 5000 6000
NoConn ~ 5650 6050
NoConn ~ 5650 5550
Wire Wire Line
	5750 5250 5750 5550
Wire Wire Line
	4950 5250 5750 5250
Wire Wire Line
	4950 5800 4950 5250
Wire Wire Line
	4900 5800 4950 5800
Wire Wire Line
	5550 5300 5550 5550
Wire Wire Line
	5000 5300 5550 5300
Wire Wire Line
	5000 5700 5000 5300
Wire Wire Line
	4900 5700 5000 5700
$Comp
L Connector_Generic:Conn_02x03_Odd_Even J4
U 1 1 60BEDADE
P 5650 5750
F 0 "J4" H 5700 6067 50  0000 C CNN
F 1 "Conn_02x03_Odd_Even" H 5700 5976 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical_SMD" H 5650 5750 50  0001 C CNN
F 3 "~" H 5650 5750 50  0001 C CNN
	1    5650 5750
	0    -1   1    0   
$EndComp
$Comp
L Fab:Conn_01x02_Male J2
U 1 1 60BEDAE4
P 3150 5700
F 0 "J2" H 3258 5881 50  0000 C CNN
F 1 "Conn_01x02_Male" H 3258 5790 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical_SMD_Pin1Right" H 3150 5700 50  0001 C CNN
F 3 "~" H 3150 5700 50  0001 C CNN
	1    3150 5700
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x03_Odd_Even J3
U 1 1 60BEDAEA
P 3250 6300
F 0 "J3" H 3300 6617 50  0000 C CNN
F 1 "Conn_02x03_Odd_Even" H 3300 6526 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical_SMD" H 3250 6300 50  0001 C CNN
F 3 "~" H 3250 6300 50  0001 C CNN
	1    3250 6300
	1    0    0    -1  
$EndComp
$Comp
L Fab:C C2
U 1 1 60BEDAF0
P 6250 5800
F 0 "C2" H 6365 5846 50  0000 L CNN
F 1 "100 µF" H 6365 5755 50  0000 L CNN
F 2 "Capacitor_SMD:CP_Elec_8x6.2" H 6288 5650 50  0001 C CNN
F 3 "" H 6250 5800 50  0001 C CNN
	1    6250 5800
	1    0    0    -1  
$EndComp
NoConn ~ 3400 2400
Wire Wire Line
	4000 3600 4000 3900
Text Label 4800 2500 0    50   ~ 0
STEP_DRV_2
Text Label 4850 2600 0    50   ~ 0
DIR_DRV_2
Wire Wire Line
	4600 2600 4850 2600
Text Label 8100 1850 0    50   ~ 0
DIR_DRV_2
Text Label 4800 2800 0    50   ~ 0
STEP_DRV_3
Wire Wire Line
	4600 2800 4800 2800
Text Label 4800 2900 0    50   ~ 0
DIR_DRV_3
Wire Wire Line
	4600 2900 4800 2900
Text Label 4800 3100 0    50   ~ 0
DIR_DRV_1
Wire Wire Line
	4600 3000 4800 3000
Wire Wire Line
	4600 3100 4800 3100
Text Label 8100 4250 0    50   ~ 0
DIR_DRV_3
Wire Wire Line
	4000 1600 4000 2000
$Comp
L Fab:C C1
U 1 1 60C9D75C
P 4600 1600
F 0 "C1" H 4715 1646 50  0000 L CNN
F 1 "1 µF" H 4715 1555 50  0000 L CNN
F 2 "fab:C_1206" H 4638 1450 50  0001 C CNN
F 3 "" H 4600 1600 50  0001 C CNN
	1    4600 1600
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4450 1600 4000 1600
NoConn ~ 3400 2700
NoConn ~ 3400 2800
NoConn ~ 4600 2700
NoConn ~ 7800 6950
$Comp
L Connector:Screw_Terminal_01x02 J13
U 1 1 60BC2090
P 1600 800
F 0 "J13" H 1680 792 50  0000 L CNN
F 1 "Screw_Terminal_01x02" H 1680 701 50  0000 L CNN
F 2 "TerminalBlock_4Ucon:TerminalBlock_4Ucon_1x02_P3.50mm_Vertical" H 1600 800 50  0001 C CNN
F 3 "~" H 1600 800 50  0001 C CNN
	1    1600 800 
	-1   0    0    -1  
$EndComp
$Comp
L Connector:Screw_Terminal_01x02 J12
U 1 1 60BC2A71
P 1550 1550
F 0 "J12" H 1630 1542 50  0000 L CNN
F 1 "Screw_Terminal_01x02" H 1630 1451 50  0000 L CNN
F 2 "TerminalBlock_4Ucon:TerminalBlock_4Ucon_1x02_P3.50mm_Vertical" H 1550 1550 50  0001 C CNN
F 3 "~" H 1550 1550 50  0001 C CNN
	1    1550 1550
	-1   0    0    -1  
$EndComp
Wire Wire Line
	1800 800  2350 800 
Wire Wire Line
	1750 1550 2350 1550
$Comp
L power:GND #PWR02
U 1 1 60BFEDA4
P 2350 900
F 0 "#PWR02" H 2350 650 50  0001 C CNN
F 1 "GND" H 2355 727 50  0000 C CNN
F 2 "" H 2350 900 50  0001 C CNN
F 3 "" H 2350 900 50  0001 C CNN
	1    2350 900 
	1    0    0    -1  
$EndComp
Wire Wire Line
	1800 900  2350 900 
Wire Wire Line
	1750 1650 2350 1650
$Comp
L power:+12V #PWR01
U 1 1 60C1D84E
P 2350 800
F 0 "#PWR01" H 2350 650 50  0001 C CNN
F 1 "+12V" H 2365 973 50  0000 C CNN
F 2 "" H 2350 800 50  0001 C CNN
F 3 "" H 2350 800 50  0001 C CNN
	1    2350 800 
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR03
U 1 1 60C39FC0
P 2350 1550
F 0 "#PWR03" H 2350 1400 50  0001 C CNN
F 1 "+5V" H 2365 1723 50  0000 C CNN
F 2 "" H 2350 1550 50  0001 C CNN
F 3 "" H 2350 1550 50  0001 C CNN
	1    2350 1550
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR06
U 1 1 60C3A49B
P 9050 700
F 0 "#PWR06" H 9050 550 50  0001 C CNN
F 1 "+12V" H 9065 873 50  0000 C CNN
F 2 "" H 9050 700 50  0001 C CNN
F 3 "" H 9050 700 50  0001 C CNN
	1    9050 700 
	1    0    0    -1  
$EndComp
Connection ~ 9050 700 
$Comp
L power:+12V #PWR07
U 1 1 60C3ADD1
P 9050 3100
F 0 "#PWR07" H 9050 2950 50  0001 C CNN
F 1 "+12V" H 9065 3273 50  0000 C CNN
F 2 "" H 9050 3100 50  0001 C CNN
F 3 "" H 9050 3100 50  0001 C CNN
	1    9050 3100
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR0105
U 1 1 60CB3FF5
P 4500 4700
F 0 "#PWR0105" H 4500 4550 50  0001 C CNN
F 1 "+12V" H 4515 4873 50  0000 C CNN
F 2 "" H 4500 4700 50  0001 C CNN
F 3 "" H 4500 4700 50  0001 C CNN
	1    4500 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4100 5600 2950 5600
Wire Wire Line
	2950 5500 2950 5600
Connection ~ 2950 5600
Wire Wire Line
	2950 5600 2950 6200
$Comp
L power:+5V #PWR0108
U 1 1 60CE4AAA
P 2950 5250
F 0 "#PWR0108" H 2950 5100 50  0001 C CNN
F 1 "+5V" H 2965 5423 50  0000 C CNN
F 2 "" H 2950 5250 50  0001 C CNN
F 3 "" H 2950 5250 50  0001 C CNN
	1    2950 5250
	1    0    0    -1  
$EndComp
Wire Wire Line
	2950 5500 2950 5250
Wire Wire Line
	7600 4450 7500 4450
Wire Wire Line
	7500 4450 7500 4550
Wire Wire Line
	7600 4550 7500 4550
Connection ~ 7500 4550
Wire Wire Line
	7500 4550 7500 4650
Wire Wire Line
	3050 6200 2950 6200
Connection ~ 2950 6200
Wire Wire Line
	2950 6200 2950 6300
Wire Wire Line
	3050 6300 2950 6300
Connection ~ 2950 6300
Wire Wire Line
	2950 6300 2950 6400
Connection ~ 7500 4450
Wire Wire Line
	8100 2050 8650 2050
Wire Wire Line
	7500 3750 7500 3550
$Comp
L power:+5V #PWR0107
U 1 1 60CDAA97
P 7500 3550
F 0 "#PWR0107" H 7500 3400 50  0001 C CNN
F 1 "+5V" H 7515 3723 50  0000 C CNN
F 2 "" H 7500 3550 50  0001 C CNN
F 3 "" H 7500 3550 50  0001 C CNN
	1    7500 3550
	1    0    0    -1  
$EndComp
Wire Wire Line
	7500 1350 7500 1150
$Comp
L power:+5V #PWR0106
U 1 1 60CCFF69
P 7500 1150
F 0 "#PWR0106" H 7500 1000 50  0001 C CNN
F 1 "+5V" H 7515 1323 50  0000 C CNN
F 2 "" H 7500 1150 50  0001 C CNN
F 3 "" H 7500 1150 50  0001 C CNN
	1    7500 1150
	1    0    0    -1  
$EndComp
Wire Wire Line
	7500 1450 7500 2050
Connection ~ 7500 1450
Wire Wire Line
	7500 1350 7500 1450
Wire Wire Line
	8650 1450 7500 1450
Wire Wire Line
	7500 3850 7500 4450
Connection ~ 7500 3850
Wire Wire Line
	8650 3850 7500 3850
$Comp
L Connector_Generic:Conn_02x03_Odd_Even J8
U 1 1 60B75A17
P 7800 2150
F 0 "J8" H 7850 2467 50  0000 C CNN
F 1 "Conn_02x03_Odd_Even" H 7850 2376 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical_SMD" H 7800 2150 50  0001 C CNN
F 3 "~" H 7800 2150 50  0001 C CNN
	1    7800 2150
	1    0    0    -1  
$EndComp
Wire Wire Line
	8650 1350 7500 1350
Wire Wire Line
	7600 2250 7500 2250
Connection ~ 7500 1350
Wire Wire Line
	8650 3750 7500 3750
Wire Wire Line
	7500 3750 7500 3850
Connection ~ 7500 3750
Wire Wire Line
	7600 2050 7500 2050
Connection ~ 7500 2050
Wire Wire Line
	7500 2050 7500 2150
Wire Wire Line
	7600 2150 7500 2150
Connection ~ 7500 2150
Wire Wire Line
	7500 2150 7500 2250
$Comp
L power:+5V #PWR0101
U 1 1 60D68794
P 4000 1400
F 0 "#PWR0101" H 4000 1250 50  0001 C CNN
F 1 "+5V" H 4015 1573 50  0000 C CNN
F 2 "" H 4000 1400 50  0001 C CNN
F 3 "" H 4000 1400 50  0001 C CNN
	1    4000 1400
	1    0    0    -1  
$EndComp
Wire Wire Line
	4000 1600 4000 1400
Connection ~ 4000 1600
Text Label 5400 2700 0    50   ~ 0
+5V
$Comp
L Fab:Conn_FTDI_01x06_Male J5
U 1 1 60BAF906
P 5750 2700
F 0 "J5" H 5787 3125 50  0000 C CNN
F 1 "Conn_FTDI_01x06_Male" H 5787 3034 50  0000 C CNN
F 2 "fab:Header_SMD_FTDI_01x06_P2.54mm_Horizontal_Male" H 5750 2700 50  0001 C CNN
F 3 "~" H 5750 2700 50  0001 C CNN
	1    5750 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5950 2700 5400 2700
$Comp
L Fab:Conn_01x03_Male J1
U 1 1 60DEE6E0
P 5750 1950
F 0 "J1" H 5858 2231 50  0000 C CNN
F 1 "Conn_01x03_Male" H 5858 2140 50  0000 C CNN
F 2 "fab:Header_SMD_01x03_P2.54mm_Horizontal_Male" H 5750 1950 50  0001 C CNN
F 3 "~" H 5750 1950 50  0001 C CNN
	1    5750 1950
	-1   0    0    -1  
$EndComp
Wire Wire Line
	4750 1600 4950 1600
$Comp
L power:+5V #PWR0104
U 1 1 60CA7CA1
P 4350 1450
F 0 "#PWR0104" H 4350 1300 50  0001 C CNN
F 1 "+5V" H 4365 1623 50  0000 C CNN
F 2 "" H 4350 1450 50  0001 C CNN
F 3 "" H 4350 1450 50  0001 C CNN
	1    4350 1450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0102
U 1 1 60E7B715
P 4950 1600
F 0 "#PWR0102" H 4950 1350 50  0001 C CNN
F 1 "GND" H 4955 1427 50  0000 C CNN
F 2 "" H 4950 1600 50  0001 C CNN
F 3 "" H 4950 1600 50  0001 C CNN
	1    4950 1600
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0103
U 1 1 60E7BED0
P 5250 1850
F 0 "#PWR0103" H 5250 1700 50  0001 C CNN
F 1 "+5V" H 5265 2023 50  0000 C CNN
F 2 "" H 5250 1850 50  0001 C CNN
F 3 "" H 5250 1850 50  0001 C CNN
	1    5250 1850
	1    0    0    -1  
$EndComp
Wire Wire Line
	5550 1850 5250 1850
$Comp
L power:GND #PWR0109
U 1 1 60E84B3E
P 5100 1950
F 0 "#PWR0109" H 5100 1700 50  0001 C CNN
F 1 "GND" H 5105 1777 50  0000 C CNN
F 2 "" H 5100 1950 50  0001 C CNN
F 3 "" H 5100 1950 50  0001 C CNN
	1    5100 1950
	1    0    0    -1  
$EndComp
Wire Wire Line
	5550 1950 5100 1950
Wire Wire Line
	5550 2050 5300 2050
$Comp
L power:GND #PWR0110
U 1 1 60BE907F
P 4000 3900
F 0 "#PWR0110" H 4000 3650 50  0001 C CNN
F 1 "GND" H 4005 3727 50  0000 C CNN
F 2 "" H 4000 3900 50  0001 C CNN
F 3 "" H 4000 3900 50  0001 C CNN
	1    4000 3900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0111
U 1 1 60C11702
P 4550 6850
F 0 "#PWR0111" H 4550 6600 50  0001 C CNN
F 1 "GND" H 4555 6677 50  0000 C CNN
F 2 "" H 4550 6850 50  0001 C CNN
F 3 "" H 4550 6850 50  0001 C CNN
	1    4550 6850
	1    0    0    -1  
$EndComp
Connection ~ 4550 6850
Wire Wire Line
	4550 6850 4500 6850
$Comp
L power:GND #PWR0112
U 1 1 60C11C7E
P 6250 6850
F 0 "#PWR0112" H 6250 6600 50  0001 C CNN
F 1 "GND" H 6255 6677 50  0000 C CNN
F 2 "" H 6250 6850 50  0001 C CNN
F 3 "" H 6250 6850 50  0001 C CNN
	1    6250 6850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0113
U 1 1 60C19E5A
P 10800 5100
F 0 "#PWR0113" H 10800 4850 50  0001 C CNN
F 1 "GND" H 10805 4927 50  0000 C CNN
F 2 "" H 10800 5100 50  0001 C CNN
F 3 "" H 10800 5100 50  0001 C CNN
	1    10800 5100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0114
U 1 1 60C1A310
P 9100 5100
F 0 "#PWR0114" H 9100 4850 50  0001 C CNN
F 1 "GND" H 9105 4927 50  0000 C CNN
F 2 "" H 9100 5100 50  0001 C CNN
F 3 "" H 9100 5100 50  0001 C CNN
	1    9100 5100
	1    0    0    -1  
$EndComp
Connection ~ 9100 5100
Wire Wire Line
	9100 5100 9050 5100
$Comp
L power:GND #PWR0115
U 1 1 60C1A801
P 10800 2700
F 0 "#PWR0115" H 10800 2450 50  0001 C CNN
F 1 "GND" H 10805 2527 50  0000 C CNN
F 2 "" H 10800 2700 50  0001 C CNN
F 3 "" H 10800 2700 50  0001 C CNN
	1    10800 2700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0116
U 1 1 60C2880A
P 5400 2500
F 0 "#PWR0116" H 5400 2250 50  0001 C CNN
F 1 "GND" H 5405 2327 50  0000 C CNN
F 2 "" H 5400 2500 50  0001 C CNN
F 3 "" H 5400 2500 50  0001 C CNN
	1    5400 2500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0117
U 1 1 60C314E5
P 9100 2700
F 0 "#PWR0117" H 9100 2450 50  0001 C CNN
F 1 "GND" H 9105 2527 50  0000 C CNN
F 2 "" H 9100 2700 50  0001 C CNN
F 3 "" H 9100 2700 50  0001 C CNN
	1    9100 2700
	1    0    0    -1  
$EndComp
Connection ~ 9100 2700
Wire Wire Line
	9100 2700 9050 2700
Wire Wire Line
	6250 5650 6250 4900
Wire Wire Line
	6250 4900 4500 4900
Wire Wire Line
	5950 2800 5300 2800
Wire Wire Line
	5300 2800 5300 4200
Wire Wire Line
	5300 4200 3200 4200
Wire Wire Line
	3200 4200 3200 2600
Wire Wire Line
	3200 2600 3400 2600
Wire Wire Line
	5950 2900 5400 2900
Wire Wire Line
	5400 2900 5400 4300
Wire Wire Line
	5400 4300 3100 4300
Wire Wire Line
	3100 4300 3100 2500
Wire Wire Line
	3100 2500 3400 2500
NoConn ~ 5800 3000
Wire Wire Line
	5950 2500 5400 2500
Wire Wire Line
	4600 2500 4800 2500
$Comp
L Driver_Motor:Pololu_Breakout_DRV8825 A1
U 1 1 60BEDAD8
P 4500 5800
F 0 "A1" H 4500 6581 50  0000 C CNN
F 1 "Pololu_Breakout_DRV8825" H 4500 6490 50  0000 C CNN
F 2 "new_footprint:Header_SMD_02x08_P2.54mm_Row_pitch_12.7mm" H 4700 5000 50  0001 L CNN
F 3 "https://www.pololu.com/product/2982" H 4600 5500 50  0001 C CNN
	1    4500 5800
	1    0    0    -1  
$EndComp
Text Label 4800 3000 0    50   ~ 0
STEP_DRV_1
$Comp
L Fab:Microcontroller_ATtiny3216-SFR U1
U 1 1 60B9C495
P 4000 2800
F 0 "U1" H 4000 3781 50  0000 C CNN
F 1 "Microcontroller_ATtiny3216-SFR" H 4000 3690 50  0000 C CNN
F 2 "fab:SOIC-20_7.5x12.8mm_P1.27mm" H 4000 2800 50  0001 C CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/ATtiny3216_ATtiny1616-data-sheet-40001997B.pdf" H 4000 2800 50  0001 C CNN
	1    4000 2800
	1    0    0    -1  
$EndComp
Text Label 8100 1750 0    50   ~ 0
STEP_DRV_2
Text Label 3550 5900 0    50   ~ 0
STEP_DRV_1
Text Label 3550 6000 0    50   ~ 0
DIR_DRV_1
Wire Wire Line
	4100 5900 3550 5900
Wire Wire Line
	4100 6000 3550 6000
Text Label 8100 4150 0    50   ~ 0
STEP_DRV_3
Wire Wire Line
	8650 4150 8100 4150
Wire Wire Line
	8100 4250 8650 4250
Wire Wire Line
	8100 1750 8650 1750
Wire Wire Line
	8100 1850 8650 1850
Wire Wire Line
	4500 4700 4500 4900
Connection ~ 4500 4900
Wire Wire Line
	10800 3200 10800 3900
Wire Wire Line
	9050 3100 9050 3200
Connection ~ 9050 3200
Wire Wire Line
	9050 3200 9050 3450
$Comp
L Fab:R R1
U 1 1 60BFFFC7
P 1100 2350
F 0 "R1" H 1170 2396 50  0000 L CNN
F 1 "0" H 1170 2305 50  0000 L CNN
F 2 "fab:R_1206" V 1030 2350 50  0001 C CNN
F 3 "~" H 1100 2350 50  0001 C CNN
	1    1100 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	1100 2200 1100 2050
Wire Wire Line
	1100 2050 1300 2050
Wire Wire Line
	1300 2050 1300 2600
Wire Wire Line
	1100 2600 1100 2500
Wire Wire Line
	1300 2600 1100 2600
$Comp
L Connector:Conn_01x05_Female J14
U 1 1 60C54475
P 2800 3100
F 0 "J14" H 2692 3485 50  0000 C CNN
F 1 "Conn_01x05_Female" H 2692 3394 50  0000 C CNN
F 2 "Connector_PinSocket_2.54mm:PinSocket_1x05_P2.54mm_Vertical_SMD_Pin1Right" H 2800 3100 50  0001 C CNN
F 3 "~" H 2800 3100 50  0001 C CNN
	1    2800 3100
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3000 3000 3400 3000
Wire Wire Line
	3400 3100 3000 3100
Wire Wire Line
	3000 3200 3400 3200
Wire Wire Line
	3400 3300 3000 3300
Wire Wire Line
	3000 2900 3000 2300
Wire Wire Line
	3000 2300 3400 2300
$Comp
L power:GND #PWR04
U 1 1 60BFFD4E
P 2350 1650
F 0 "#PWR04" H 2350 1400 50  0001 C CNN
F 1 "GND" H 2355 1477 50  0000 C CNN
F 2 "" H 2350 1650 50  0001 C CNN
F 3 "" H 2350 1650 50  0001 C CNN
	1    2350 1650
	1    0    0    -1  
$EndComp
Text Label 1100 2050 0    50   ~ 0
GND
$Comp
L Fab:R R3
U 1 1 60FBFAD2
P 5300 2200
F 0 "R3" H 5370 2246 50  0000 L CNN
F 1 "0" H 5370 2155 50  0000 L CNN
F 2 "fab:R_1206" V 5230 2200 50  0001 C CNN
F 3 "~" H 5300 2200 50  0001 C CNN
	1    5300 2200
	1    0    0    -1  
$EndComp
$Comp
L Fab:R R2
U 1 1 60FC8F77
P 1450 3300
F 0 "R2" H 1520 3346 50  0000 L CNN
F 1 "0" H 1520 3255 50  0000 L CNN
F 2 "fab:R_1206" V 1380 3300 50  0001 C CNN
F 3 "~" H 1450 3300 50  0001 C CNN
	1    1450 3300
	1    0    0    -1  
$EndComp
Wire Wire Line
	1450 3150 1450 3100
Wire Wire Line
	1450 3550 1450 3450
$Comp
L power:+5V #PWR0118
U 1 1 60FD2D95
P 1450 3000
F 0 "#PWR0118" H 1450 2850 50  0001 C CNN
F 1 "+5V" H 1465 3173 50  0000 C CNN
F 2 "" H 1450 3000 50  0001 C CNN
F 3 "" H 1450 3000 50  0001 C CNN
	1    1450 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	1450 3100 1650 3100
Wire Wire Line
	1650 3100 1650 3550
Wire Wire Line
	1650 3550 1450 3550
Connection ~ 1450 3100
Wire Wire Line
	1450 3100 1450 3000
Wire Wire Line
	5300 2400 5300 2350
Wire Wire Line
	4600 2400 5300 2400
$Comp
L Mechanical:MountingHole H1
U 1 1 6102D6D9
P 2100 2100
F 0 "H1" H 2200 2146 50  0000 L CNN
F 1 "MountingHole" H 2200 2055 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 2100 2100 50  0001 C CNN
F 3 "~" H 2100 2100 50  0001 C CNN
	1    2100 2100
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H2
U 1 1 6103AA69
P 1800 2500
F 0 "H2" H 1900 2546 50  0000 L CNN
F 1 "MountingHole" H 1900 2455 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 1800 2500 50  0001 C CNN
F 3 "~" H 1800 2500 50  0001 C CNN
	1    1800 2500
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H3
U 1 1 61044AEB
P 1900 2850
F 0 "H3" H 2000 2896 50  0000 L CNN
F 1 "MountingHole" H 2000 2805 50  0000 L CNN
F 2 "MountingHole:MountingHole_3.2mm_M3" H 1900 2850 50  0001 C CNN
F 3 "~" H 1900 2850 50  0001 C CNN
	1    1900 2850
	1    0    0    -1  
$EndComp
$EndSCHEMATC