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 oni:mbedLPC1768 U2
U 1 1 6196FB00
P 6250 3350
F 0 "U2" H 6250 4565 50  0000 C CNN
F 1 "mbedLPC1768" H 6250 4474 50  0000 C CNN
F 2 "Package_DIP:DIP-40_W25.4mm_Socket_LongPads" V 6250 3350 50  0001 C CNN
F 3 "http://mbed.org/media/uploads/chris/mbed-005.1.pdf" H 6150 4000 50  0001 C CNN
	1    6250 3350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR06
U 1 1 61970467
P 5550 2400
F 0 "#PWR06" H 5550 2150 50  0001 C CNN
F 1 "GND" H 5555 2227 50  0000 C CNN
F 2 "" H 5550 2400 50  0001 C CNN
F 3 "" H 5550 2400 50  0001 C CNN
	1    5550 2400
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR07
U 1 1 61970761
P 5650 2300
F 0 "#PWR07" H 5650 2150 50  0001 C CNN
F 1 "+5V" H 5665 2473 50  0000 C CNN
F 2 "" H 5650 2300 50  0001 C CNN
F 3 "" H 5650 2300 50  0001 C CNN
	1    5650 2300
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR08
U 1 1 61970D82
P 6850 2400
F 0 "#PWR08" H 6850 2250 50  0001 C CNN
F 1 "+3V3" H 6865 2573 50  0000 C CNN
F 2 "" H 6850 2400 50  0001 C CNN
F 3 "" H 6850 2400 50  0001 C CNN
	1    6850 2400
	1    0    0    -1  
$EndComp
Wire Wire Line
	5650 2300 5650 2500
Wire Wire Line
	5650 2500 5750 2500
Wire Wire Line
	5750 2400 5550 2400
Wire Wire Line
	6750 2400 6850 2400
Text Label 5750 2700 2    50   ~ 0
~RESET
$Comp
L power:+5V #PWR09
U 1 1 6197351B
P 8350 2050
F 0 "#PWR09" H 8350 1900 50  0001 C CNN
F 1 "+5V" H 8365 2223 50  0000 C CNN
F 2 "" H 8350 2050 50  0001 C CNN
F 3 "" H 8350 2050 50  0001 C CNN
	1    8350 2050
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR013
U 1 1 619737D1
P 9400 2050
F 0 "#PWR013" H 9400 1900 50  0001 C CNN
F 1 "+3V3" H 9415 2223 50  0000 C CNN
F 2 "" H 9400 2050 50  0001 C CNN
F 3 "" H 9400 2050 50  0001 C CNN
	1    9400 2050
	1    0    0    -1  
$EndComp
$Comp
L Device:C C5
U 1 1 61973E99
P 8350 2200
F 0 "C5" H 8465 2246 50  0000 L CNN
F 1 "100n" H 8465 2155 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 8388 2050 50  0001 C CNN
F 3 "~" H 8350 2200 50  0001 C CNN
	1    8350 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	8350 2050 8600 2050
Connection ~ 8350 2050
$Comp
L power:GND #PWR012
U 1 1 61974E13
P 8900 2350
F 0 "#PWR012" H 8900 2100 50  0001 C CNN
F 1 "GND" H 8905 2177 50  0000 C CNN
F 2 "" H 8900 2350 50  0001 C CNN
F 3 "" H 8900 2350 50  0001 C CNN
	1    8900 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	8350 2350 8900 2350
Connection ~ 8900 2350
$Comp
L Device:C C6
U 1 1 619770F1
P 9400 2200
F 0 "C6" H 9515 2246 50  0000 L CNN
F 1 "10u" H 9515 2155 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 9438 2050 50  0001 C CNN
F 3 "~" H 9400 2200 50  0001 C CNN
	1    9400 2200
	1    0    0    -1  
$EndComp
Connection ~ 9400 2050
$Comp
L Regulator_Linear:LM2937xMP U3
U 1 1 61978287
P 8900 2050
F 0 "U3" H 8900 2292 50  0000 C CNN
F 1 "LM2937IMP" H 8900 2201 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 8900 2275 50  0001 C CIN
F 3 "http://www.ti.com/lit/ds/symlink/lm2937.pdf" H 8900 2000 50  0001 C CNN
	1    8900 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	9200 2050 9400 2050
Wire Wire Line
	8900 2350 9400 2350
$Comp
L MCU_Microchip_ATmega:ATmega328P-AU U1
U 1 1 6197A890
P 2800 3200
F 0 "U1" H 2800 1611 50  0000 C CNN
F 1 "ATmega328P-AU" H 2800 1520 50  0000 C CNN
F 2 "Package_QFP:TQFP-32_7x7mm_P0.8mm" H 2800 3200 50  0001 C CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega328_P%20AVR%20MCU%20with%20picoPower%20Technology%20Data%20Sheet%2040001984A.pdf" H 2800 3200 50  0001 C CNN
	1    2800 3200
	1    0    0    -1  
$EndComp
$Comp
L Device:Crystal Y1
U 1 1 6197B9BD
P 3950 2750
F 0 "Y1" V 3904 2881 50  0000 L CNN
F 1 "16MHz" V 3995 2881 50  0000 L CNN
F 2 "Crystal:Crystal_SMD_HC49-SD" H 3950 2750 50  0001 C CNN
F 3 "~" H 3950 2750 50  0001 C CNN
	1    3950 2750
	0    1    1    0   
$EndComp
$Comp
L Device:C C3
U 1 1 6197CA85
P 4400 2600
F 0 "C3" V 4148 2600 50  0000 C CNN
F 1 "22p" V 4239 2600 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4438 2450 50  0001 C CNN
F 3 "~" H 4400 2600 50  0001 C CNN
	1    4400 2600
	0    1    1    0   
$EndComp
$Comp
L Device:C C4
U 1 1 6197D386
P 4400 2900
F 0 "C4" V 4148 2900 50  0000 C CNN
F 1 "22p" V 4239 2900 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4438 2750 50  0001 C CNN
F 3 "~" H 4400 2900 50  0001 C CNN
	1    4400 2900
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR05
U 1 1 6197D8FD
P 4550 2900
F 0 "#PWR05" H 4550 2650 50  0001 C CNN
F 1 "GND" H 4555 2727 50  0000 C CNN
F 2 "" H 4550 2900 50  0001 C CNN
F 3 "" H 4550 2900 50  0001 C CNN
	1    4550 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	4550 2900 4550 2600
Wire Wire Line
	3400 2700 3800 2700
Wire Wire Line
	3800 2700 3800 2900
Wire Wire Line
	3800 2900 3950 2900
Wire Wire Line
	4250 2900 3950 2900
Connection ~ 3950 2900
Wire Wire Line
	4250 2600 3950 2600
Connection ~ 3950 2600
$Comp
L power:+5V #PWR02
U 1 1 61983397
P 2800 1550
F 0 "#PWR02" H 2800 1400 50  0001 C CNN
F 1 "+5V" H 2815 1723 50  0000 C CNN
F 2 "" H 2800 1550 50  0001 C CNN
F 3 "" H 2800 1550 50  0001 C CNN
	1    2800 1550
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 6198414B
P 2650 1550
F 0 "C1" V 2398 1550 50  0000 C CNN
F 1 "100n" V 2489 1550 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2688 1400 50  0001 C CNN
F 3 "~" H 2650 1550 50  0001 C CNN
	1    2650 1550
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR01
U 1 1 6198497A
P 2500 1550
F 0 "#PWR01" H 2500 1300 50  0001 C CNN
F 1 "GND" H 2505 1377 50  0000 C CNN
F 2 "" H 2500 1550 50  0001 C CNN
F 3 "" H 2500 1550 50  0001 C CNN
	1    2500 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	2800 1700 2800 1550
Connection ~ 2800 1550
$Comp
L power:GND #PWR03
U 1 1 61985E73
P 2800 4700
F 0 "#PWR03" H 2800 4450 50  0001 C CNN
F 1 "GND" H 2805 4527 50  0000 C CNN
F 2 "" H 2800 4700 50  0001 C CNN
F 3 "" H 2800 4700 50  0001 C CNN
	1    2800 4700
	1    0    0    -1  
$EndComp
Text Label 3400 3500 0    50   ~ 0
~RESET
$Comp
L Connector:AVR-ISP-6 J1
U 1 1 619866CD
P 8750 3750
F 0 "J1" H 8421 3846 50  0000 R CNN
F 1 "AVR-ISP-6" H 8421 3755 50  0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical" V 8500 3800 50  0001 C CNN
F 3 " ~" H 7475 3200 50  0001 C CNN
	1    8750 3750
	1    0    0    -1  
$EndComp
Text Label 9150 3850 0    50   ~ 0
~RESET
Text Label 3400 2500 0    50   ~ 0
SCK
Text Label 3850 2300 0    50   ~ 0
MOSI
Text Label 3850 2400 0    50   ~ 0
MISO
$Comp
L power:+5V #PWR010
U 1 1 61987B6C
P 8650 3250
F 0 "#PWR010" H 8650 3100 50  0001 C CNN
F 1 "+5V" H 8665 3423 50  0000 C CNN
F 2 "" H 8650 3250 50  0001 C CNN
F 3 "" H 8650 3250 50  0001 C CNN
	1    8650 3250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR011
U 1 1 6198813E
P 8650 4150
F 0 "#PWR011" H 8650 3900 50  0001 C CNN
F 1 "GND" H 8655 3977 50  0000 C CNN
F 2 "" H 8650 4150 50  0001 C CNN
F 3 "" H 8650 4150 50  0001 C CNN
	1    8650 4150
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 619896EA
P 3050 1550
F 0 "C2" V 2798 1550 50  0000 C CNN
F 1 "100n" V 2889 1550 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3088 1400 50  0001 C CNN
F 3 "~" H 3050 1550 50  0001 C CNN
	1    3050 1550
	0    -1   1    0   
$EndComp
$Comp
L power:GND #PWR04
U 1 1 61989702
P 3200 1550
F 0 "#PWR04" H 3200 1300 50  0001 C CNN
F 1 "GND" H 3205 1377 50  0000 C CNN
F 2 "" H 3200 1550 50  0001 C CNN
F 3 "" H 3200 1550 50  0001 C CNN
	1    3200 1550
	-1   0    0    -1  
$EndComp
Wire Wire Line
	2800 1550 2900 1550
Wire Wire Line
	2900 1550 2900 1700
Connection ~ 2900 1550
Text Label 9150 3750 0    50   ~ 0
SCK
Text Label 9150 3650 0    50   ~ 0
MOSI
Text Label 9150 3550 0    50   ~ 0
MISO
Text Label 5750 2800 2    50   ~ 0
LASER_ON
Text Label 5750 2900 2    50   ~ 0
EXHAUST_ENABLE
Text Label 5750 3000 2    50   ~ 0
STEPPER_ENABLE
Text Label 5750 3100 2    50   ~ 0
X_HOME
Text Label 5750 4000 2    50   ~ 0
Y_HOME
Text Label 6750 3800 0    50   ~ 0
Y_STEP
Text Label 6750 3900 0    50   ~ 0
Y_DIR
Text Label 6750 4000 0    50   ~ 0
X_STEP
Text Label 6750 4100 0    50   ~ 0
X_DIR
Text Label 6750 4200 0    50   ~ 0
LASER_PWM
Text Label 6750 4300 0    50   ~ 0
LASER_ENABLE_2
Text Label 3850 2500 0    50   ~ 0
LASER_ON
Text Label 3400 3200 0    50   ~ 0
EXHAUST_ENABLE
Text Label 3400 2000 0    50   ~ 0
STEPPER_ENABLE
Text Label 3400 2100 0    50   ~ 0
X_HOME
Text Label 3400 4000 0    50   ~ 0
Y_STEP
Text Label 3400 4300 0    50   ~ 0
Y_DIR
Text Label 3400 3900 0    50   ~ 0
X_STEP
Text Label 3400 4200 0    50   ~ 0
X_DIR
Text Label 3850 2200 0    50   ~ 0
LASER_PWM
Text Label 4000 3350 0    50   ~ 0
LASER_ENABLE_2
$Comp
L Interface_USB:CH340G U4
U 1 1 619A5B41
P 6200 5550
F 0 "U4" H 6200 4861 50  0000 C CNN
F 1 "CH340G/C/B" H 6200 4770 50  0000 C CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 6250 5000 50  0001 L CNN
F 3 "http://www.wch-ic.com/downloads/CH340DS1_PDF.html" H 5850 6350 50  0001 C CNN
	1    6200 5550
	1    0    0    -1  
$EndComp
$Comp
L Device:LED D1
U 1 1 619A80E8
P 10200 4500
F 0 "D1" H 10193 4717 50  0000 C CNN
F 1 "YELLOW" H 10193 4626 50  0000 C CNN
F 2 "LED_SMD:LED_0805_2012Metric_Castellated" H 10200 4500 50  0001 C CNN
F 3 "~" H 10200 4500 50  0001 C CNN
	1    10200 4500
	0    1    -1   0   
$EndComp
$Comp
L Device:R R1
U 1 1 619A8894
P 10200 4800
F 0 "R1" V 9993 4800 50  0000 C CNN
F 1 "1k" V 10084 4800 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 10130 4800 50  0001 C CNN
F 3 "~" H 10200 4800 50  0001 C CNN
	1    10200 4800
	-1   0    0    -1  
$EndComp
Text Label 5800 5450 2    50   ~ 0
USB+
Text Label 5800 5550 2    50   ~ 0
USB-
$Comp
L Device:C C8
U 1 1 619AB127
P 6350 4850
F 0 "C8" H 6465 4896 50  0000 L CNN
F 1 "100n" H 6465 4805 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 6388 4700 50  0001 C CNN
F 3 "~" H 6350 4850 50  0001 C CNN
	1    6350 4850
	0    -1   -1   0   
$EndComp
$Comp
L Device:C C7
U 1 1 619AC83A
P 5950 4850
F 0 "C7" H 6065 4896 50  0000 L CNN
F 1 "100n" H 6065 4805 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 5988 4700 50  0001 C CNN
F 3 "~" H 5950 4850 50  0001 C CNN
	1    5950 4850
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0101
U 1 1 619ACDD4
P 6500 4850
F 0 "#PWR0101" H 6500 4600 50  0001 C CNN
F 1 "GND" H 6505 4677 50  0000 C CNN
F 2 "" H 6500 4850 50  0001 C CNN
F 3 "" H 6500 4850 50  0001 C CNN
	1    6500 4850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0102
U 1 1 619AD1DD
P 5800 4850
F 0 "#PWR0102" H 5800 4600 50  0001 C CNN
F 1 "GND" H 5805 4677 50  0000 C CNN
F 2 "" H 5800 4850 50  0001 C CNN
F 3 "" H 5800 4850 50  0001 C CNN
	1    5800 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	6100 4950 6100 4850
$Comp
L power:+5V #PWR0103
U 1 1 619ADEF4
P 6200 4850
F 0 "#PWR0103" H 6200 4700 50  0001 C CNN
F 1 "+5V" H 6215 5023 50  0000 C CNN
F 2 "" H 6200 4850 50  0001 C CNN
F 3 "" H 6200 4850 50  0001 C CNN
	1    6200 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	6200 4950 6200 4850
Connection ~ 6200 4850
$Comp
L power:GND #PWR0104
U 1 1 619AEAC6
P 6200 6150
F 0 "#PWR0104" H 6200 5900 50  0001 C CNN
F 1 "GND" H 6205 5977 50  0000 C CNN
F 2 "" H 6200 6150 50  0001 C CNN
F 3 "" H 6200 6150 50  0001 C CNN
	1    6200 6150
	1    0    0    -1  
$EndComp
Text Label 6600 5250 0    50   ~ 0
UART_RX
Text Label 6600 5150 0    50   ~ 0
UART_TX
Text Label 3400 3800 0    50   ~ 0
UART_RX
Text Label 3400 3700 0    50   ~ 0
UART_TX
Text Label 6600 5850 0    50   ~ 0
~UART_DTR
Text Label 6600 5750 0    50   ~ 0
~UART_DCD
Text Label 6600 5650 0    50   ~ 0
~UART_RI
Text Label 6600 5550 0    50   ~ 0
~UART_DSR
Text Label 6600 5450 0    50   ~ 0
~UART_CTS
Text Label 6600 5950 0    50   ~ 0
~UART_RTS
Text Label 8200 5150 2    50   ~ 0
~UART_DTR
$Comp
L power:GND #PWR0105
U 1 1 619B1734
P 10200 4950
F 0 "#PWR0105" H 10200 4700 50  0001 C CNN
F 1 "GND" H 10205 4777 50  0000 C CNN
F 2 "" H 10200 4950 50  0001 C CNN
F 3 "" H 10200 4950 50  0001 C CNN
	1    10200 4950
	1    0    0    -1  
$EndComp
$Comp
L Device:R R2
U 1 1 619B1DB9
P 9000 5000
F 0 "R2" H 8930 4954 50  0000 R CNN
F 1 "10k" H 8930 5045 50  0000 R CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 8930 5000 50  0001 C CNN
F 3 "~" H 9000 5000 50  0001 C CNN
	1    9000 5000
	-1   0    0    1   
$EndComp
$Comp
L Device:C C9
U 1 1 619B219E
P 8550 5150
F 0 "C9" H 8665 5196 50  0000 L CNN
F 1 "100n" H 8665 5105 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 8588 5000 50  0001 C CNN
F 3 "~" H 8550 5150 50  0001 C CNN
	1    8550 5150
	0    -1   -1   0   
$EndComp
Text Label 9100 5150 0    50   ~ 0
~RESET
$Comp
L Switch:SW_Push SW1
U 1 1 619B2C49
P 9000 5350
F 0 "SW1" V 8954 5498 50  0000 L CNN
F 1 "RESET" V 9045 5498 50  0000 L CNN
F 2 "Button_Switch_THT:SW_PUSH_6mm" H 9000 5550 50  0001 C CNN
F 3 "~" H 9000 5550 50  0001 C CNN
	1    9000 5350
	0    1    1    0   
$EndComp
$Comp
L Device:Jumper_NC_Small JP1
U 1 1 619B3A4C
P 8300 5150
F 0 "JP1" H 8300 5362 50  0000 C CNN
F 1 "UART_PRG" H 8300 5271 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 8300 5150 50  0001 C CNN
F 3 "~" H 8300 5150 50  0001 C CNN
	1    8300 5150
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0106
U 1 1 619B61CE
P 9000 4850
F 0 "#PWR0106" H 9000 4700 50  0001 C CNN
F 1 "+5V" H 9015 5023 50  0000 C CNN
F 2 "" H 9000 4850 50  0001 C CNN
F 3 "" H 9000 4850 50  0001 C CNN
	1    9000 4850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 619B66BF
P 9000 5550
F 0 "#PWR0107" H 9000 5300 50  0001 C CNN
F 1 "GND" H 9005 5377 50  0000 C CNN
F 2 "" H 9000 5550 50  0001 C CNN
F 3 "" H 9000 5550 50  0001 C CNN
	1    9000 5550
	1    0    0    -1  
$EndComp
$Comp
L Device:C C10
U 1 1 619B6B09
P 8700 5400
F 0 "C10" H 8815 5446 50  0000 L CNN
F 1 "10n" H 8815 5355 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 8738 5250 50  0001 C CNN
F 3 "~" H 8700 5400 50  0001 C CNN
	1    8700 5400
	1    0    0    -1  
$EndComp
Wire Wire Line
	8700 5550 9000 5550
Connection ~ 9000 5550
Wire Wire Line
	8700 5150 8700 5250
Wire Wire Line
	8700 5150 9000 5150
Connection ~ 8700 5150
Connection ~ 9000 5150
Wire Wire Line
	9000 5150 9100 5150
Text Label 3400 2200 0    50   ~ 0
Y_HOME
$Comp
L Device:LED D3
U 1 1 619BE279
P 10200 5500
F 0 "D3" V 10239 5382 50  0000 R CNN
F 1 "GREEN" V 10148 5382 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Castellated" H 10200 5500 50  0001 C CNN
F 3 "~" H 10200 5500 50  0001 C CNN
	1    10200 5500
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R4
U 1 1 619BE297
P 10200 5800
F 0 "R4" H 10270 5846 50  0000 L CNN
F 1 "1k" H 10270 5755 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 10130 5800 50  0001 C CNN
F 3 "~" H 10200 5800 50  0001 C CNN
	1    10200 5800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 619BE2A2
P 10200 5950
F 0 "#PWR0108" H 10200 5700 50  0001 C CNN
F 1 "GND" H 10205 5777 50  0000 C CNN
F 2 "" H 10200 5950 50  0001 C CNN
F 3 "" H 10200 5950 50  0001 C CNN
	1    10200 5950
	1    0    0    -1  
$EndComp
Wire Wire Line
	8200 2050 8350 2050
$Comp
L Device:LED D2
U 1 1 619C3222
P 10200 3400
F 0 "D2" V 10239 3282 50  0000 R CNN
F 1 "RED" V 10148 3282 50  0000 R CNN
F 2 "LED_SMD:LED_0805_2012Metric_Castellated" H 10200 3400 50  0001 C CNN
F 3 "~" H 10200 3400 50  0001 C CNN
	1    10200 3400
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R3
U 1 1 619C3240
P 10200 3700
F 0 "R3" H 10270 3746 50  0000 L CNN
F 1 "1k" H 10270 3655 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 10130 3700 50  0001 C CNN
F 3 "~" H 10200 3700 50  0001 C CNN
	1    10200 3700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 619C324A
P 10200 3850
F 0 "#PWR0109" H 10200 3600 50  0001 C CNN
F 1 "GND" H 10205 3677 50  0000 C CNN
F 2 "" H 10200 3850 50  0001 C CNN
F 3 "" H 10200 3850 50  0001 C CNN
	1    10200 3850
	1    0    0    -1  
$EndComp
Text Label 10200 3250 0    50   ~ 0
LASER_ON
Text Label 6750 3300 0    50   ~ 0
USB+
Text Label 6750 3200 0    50   ~ 0
USB-
Wire Wire Line
	3850 2200 3750 2200
Wire Wire Line
	3750 2200 3750 2300
Wire Wire Line
	3750 2300 3400 2300
Wire Wire Line
	3850 2300 3750 2300
Connection ~ 3750 2300
Wire Wire Line
	3400 2600 3950 2600
Wire Wire Line
	3400 2400 3750 2400
Wire Wire Line
	3850 2500 3750 2500
Wire Wire Line
	3750 2500 3750 2400
Connection ~ 3750 2400
Wire Wire Line
	3750 2400 3850 2400
$Comp
L Interface_USB:FT232RL U5
U 1 1 619C2594
P 4100 6500
F 0 "U5" H 4100 7681 50  0000 C CNN
F 1 "FT232RL" H 4100 7590 50  0000 C CNN
F 2 "Package_SO:SSOP-28_5.3x10.2mm_P0.65mm" H 5200 5600 50  0001 C CNN
F 3 "https://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT232R.pdf" H 4100 6500 50  0001 C CNN
	1    4100 6500
	1    0    0    -1  
$EndComp
$Comp
L Device:C C13
U 1 1 619C5A72
P 4350 5250
F 0 "C13" H 4465 5296 50  0000 L CNN
F 1 "100n" H 4465 5205 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4388 5100 50  0001 C CNN
F 3 "~" H 4350 5250 50  0001 C CNN
	1    4350 5250
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4200 5250 4000 5250
Connection ~ 4200 5250
$Comp
L power:GND #PWR0110
U 1 1 619C6BA3
P 4500 5250
F 0 "#PWR0110" H 4500 5000 50  0001 C CNN
F 1 "GND" H 4505 5077 50  0000 C CNN
F 2 "" H 4500 5250 50  0001 C CNN
F 3 "" H 4500 5250 50  0001 C CNN
	1    4500 5250
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0111
U 1 1 619C7037
P 4000 5250
F 0 "#PWR0111" H 4000 5100 50  0001 C CNN
F 1 "+5V" H 4015 5423 50  0000 C CNN
F 2 "" H 4000 5250 50  0001 C CNN
F 3 "" H 4000 5250 50  0001 C CNN
	1    4000 5250
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 5500 4200 5250
Wire Wire Line
	4000 5500 4000 5250
Connection ~ 4000 5250
$Comp
L Device:C C11
U 1 1 619CB730
P 3150 5800
F 0 "C11" H 3265 5846 50  0000 L CNN
F 1 "100n" H 3265 5755 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3188 5650 50  0001 C CNN
F 3 "~" H 3150 5800 50  0001 C CNN
	1    3150 5800
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 619CC458
P 3000 5800
F 0 "#PWR0112" H 3000 5550 50  0001 C CNN
F 1 "GND" H 3005 5627 50  0000 C CNN
F 2 "" H 3000 5800 50  0001 C CNN
F 3 "" H 3000 5800 50  0001 C CNN
	1    3000 5800
	1    0    0    -1  
$EndComp
Text Label 3300 6100 2    50   ~ 0
USB+
Text Label 3300 6200 2    50   ~ 0
USB-
$Comp
L power:GND #PWR0113
U 1 1 619CD048
P 4100 7500
F 0 "#PWR0113" H 4100 7250 50  0001 C CNN
F 1 "GND" H 4105 7327 50  0000 C CNN
F 2 "" H 4100 7500 50  0001 C CNN
F 3 "" H 4100 7500 50  0001 C CNN
	1    4100 7500
	1    0    0    -1  
$EndComp
Wire Wire Line
	4300 7500 4200 7500
Connection ~ 4100 7500
Wire Wire Line
	4100 7500 3900 7500
Connection ~ 4200 7500
Wire Wire Line
	4200 7500 4100 7500
Text Label 4900 5900 0    50   ~ 0
UART_RX
Text Label 4900 5800 0    50   ~ 0
UART_TX
Text Label 4900 6200 0    50   ~ 0
~UART_DTR
Text Label 4900 6400 0    50   ~ 0
~UART_DCD
Text Label 4900 6500 0    50   ~ 0
~UART_RI
Text Label 4900 6300 0    50   ~ 0
~UART_DSR
Text Label 4900 6100 0    50   ~ 0
~UART_CTS
Text Label 4900 6000 0    50   ~ 0
~UART_RTS
Text Label 5800 5250 2    50   ~ 0
SERIAL_ACT
Text Label 10200 4350 0    50   ~ 0
SERIAL_ACT
Text Label 10200 5350 0    50   ~ 0
POWER_ON
Text Label 8200 2050 2    50   ~ 0
POWER_ON
$Comp
L Device:C C12
U 1 1 619F09D6
P 3850 5250
F 0 "C12" H 3965 5296 50  0000 L CNN
F 1 "100n" H 3965 5205 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3888 5100 50  0001 C CNN
F 3 "~" H 3850 5250 50  0001 C CNN
	1    3850 5250
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0114
U 1 1 619F109A
P 3700 5250
F 0 "#PWR0114" H 3700 5000 50  0001 C CNN
F 1 "GND" H 3705 5077 50  0000 C CNN
F 2 "" H 3700 5250 50  0001 C CNN
F 3 "" H 3700 5250 50  0001 C CNN
	1    3700 5250
	1    0    0    -1  
$EndComp
Connection ~ 4550 2900
$Comp
L MCU_Module:Arduino_Nano_v3.x A1
U 1 1 61A22618
P 1750 6250
F 0 "A1" H 1750 5161 50  0000 C CNN
F 1 "Arduino_Nano_v3.x" H 1750 5070 50  0000 C CNN
F 2 "Module:Arduino_Nano" H 1750 6250 50  0001 C CIN
F 3 "http://www.mouser.com/pdfdocs/Gravitech_Arduino_Nano3_0.pdf" H 1750 6250 50  0001 C CNN
	1    1750 6250
	1    0    0    -1  
$EndComp
Text Label 2250 5650 0    50   ~ 0
~RESET
Text Label 2250 5750 0    50   ~ 0
~RESET
$Comp
L power:GND #PWR0115
U 1 1 61A25429
P 1850 7250
F 0 "#PWR0115" H 1850 7000 50  0001 C CNN
F 1 "GND" H 1855 7077 50  0000 C CNN
F 2 "" H 1850 7250 50  0001 C CNN
F 3 "" H 1850 7250 50  0001 C CNN
	1    1850 7250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1850 7250 1750 7250
Connection ~ 1850 7250
$Comp
L power:+3V3 #PWR0117
U 1 1 61A26E4D
P 1850 5250
F 0 "#PWR0117" H 1850 5100 50  0001 C CNN
F 1 "+3V3" H 1865 5423 50  0000 C CNN
F 2 "" H 1850 5250 50  0001 C CNN
F 3 "" H 1850 5250 50  0001 C CNN
	1    1850 5250
	1    0    0    -1  
$EndComp
Text Label 2250 6550 0    50   ~ 0
EXHAUST_ENABLE
Text Label 1250 5950 2    50   ~ 0
Y_STEP
Text Label 1250 6250 2    50   ~ 0
Y_DIR
Text Label 1250 5850 2    50   ~ 0
X_STEP
Text Label 1250 6150 2    50   ~ 0
X_DIR
Text Label 2500 6800 0    50   ~ 0
LASER_ENABLE_2
Text Label 1250 6850 2    50   ~ 0
LASER_ON
Text Label 1250 6450 2    50   ~ 0
STEPPER_ENABLE
Text Label 1250 6550 2    50   ~ 0
X_HOME
Text Label 1250 6750 2    50   ~ 0
LASER_PWM
Text Label 1250 6650 2    50   ~ 0
Y_HOME
$Comp
L power:+5V #PWR0116
U 1 1 61A26A3D
P 1950 5250
F 0 "#PWR0116" H 1950 5100 50  0001 C CNN
F 1 "+5V" H 1965 5423 50  0000 C CNN
F 2 "" H 1950 5250 50  0001 C CNN
F 3 "" H 1950 5250 50  0001 C CNN
	1    1950 5250
	1    0    0    -1  
$EndComp
$EndSCHEMATC