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 7100 3200
F 0 "U2" H 7100 4415 50  0000 C CNN
F 1 "mbedLPC1768" H 7100 4324 50  0000 C CNN
F 2 "Package_DIP:DIP-40_W25.4mm_Socket_LongPads" V 7100 3200 50  0001 C CNN
F 3 "http://mbed.org/media/uploads/chris/mbed-005.1.pdf" H 7000 3850 50  0001 C CNN
	1    7100 3200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR06
U 1 1 61970467
P 6400 2250
F 0 "#PWR06" H 6400 2000 50  0001 C CNN
F 1 "GND" H 6405 2077 50  0000 C CNN
F 2 "" H 6400 2250 50  0001 C CNN
F 3 "" H 6400 2250 50  0001 C CNN
	1    6400 2250
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR07
U 1 1 61970761
P 6500 2150
F 0 "#PWR07" H 6500 2000 50  0001 C CNN
F 1 "+5V" H 6515 2323 50  0000 C CNN
F 2 "" H 6500 2150 50  0001 C CNN
F 3 "" H 6500 2150 50  0001 C CNN
	1    6500 2150
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR08
U 1 1 61970D82
P 7700 2250
F 0 "#PWR08" H 7700 2100 50  0001 C CNN
F 1 "+3V3" H 7715 2423 50  0000 C CNN
F 2 "" H 7700 2250 50  0001 C CNN
F 3 "" H 7700 2250 50  0001 C CNN
	1    7700 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	6500 2150 6500 2350
Wire Wire Line
	6500 2350 6600 2350
Wire Wire Line
	6600 2250 6400 2250
Wire Wire Line
	7600 2250 7700 2250
Text Label 6600 2550 2    50   ~ 0
~RESET
$Comp
L power:+5V #PWR09
U 1 1 6197351B
P 9050 2050
F 0 "#PWR09" H 9050 1900 50  0001 C CNN
F 1 "+5V" H 9065 2223 50  0000 C CNN
F 2 "" H 9050 2050 50  0001 C CNN
F 3 "" H 9050 2050 50  0001 C CNN
	1    9050 2050
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR013
U 1 1 619737D1
P 10100 2050
F 0 "#PWR013" H 10100 1900 50  0001 C CNN
F 1 "+3V3" H 10115 2223 50  0000 C CNN
F 2 "" H 10100 2050 50  0001 C CNN
F 3 "" H 10100 2050 50  0001 C CNN
	1    10100 2050
	1    0    0    -1  
$EndComp
$Comp
L Device:C C5
U 1 1 61973E99
P 9050 2200
F 0 "C5" H 9165 2246 50  0000 L CNN
F 1 "100n" H 9165 2155 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 9088 2050 50  0001 C CNN
F 3 "~" H 9050 2200 50  0001 C CNN
	1    9050 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	9050 2050 9300 2050
Connection ~ 9050 2050
$Comp
L power:GND #PWR012
U 1 1 61974E13
P 9600 2350
F 0 "#PWR012" H 9600 2100 50  0001 C CNN
F 1 "GND" H 9605 2177 50  0000 C CNN
F 2 "" H 9600 2350 50  0001 C CNN
F 3 "" H 9600 2350 50  0001 C CNN
	1    9600 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	9050 2350 9600 2350
Connection ~ 9600 2350
$Comp
L Device:C C6
U 1 1 619770F1
P 10100 2200
F 0 "C6" H 10215 2246 50  0000 L CNN
F 1 "10u" H 10215 2155 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 10138 2050 50  0001 C CNN
F 3 "~" H 10100 2200 50  0001 C CNN
	1    10100 2200
	1    0    0    -1  
$EndComp
Connection ~ 10100 2050
$Comp
L Regulator_Linear:LM2937xMP U3
U 1 1 61978287
P 9600 2050
F 0 "U3" H 9600 2292 50  0000 C CNN
F 1 "LM2937IMP" H 9600 2201 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-223-3_TabPin2" H 9600 2275 50  0001 C CIN
F 3 "http://www.ti.com/lit/ds/symlink/lm2937.pdf" H 9600 2000 50  0001 C CNN
	1    9600 2050
	1    0    0    -1  
$EndComp
Wire Wire Line
	9900 2050 10100 2050
Wire Wire Line
	9600 2350 10100 2350
$Comp
L MCU_Microchip_ATmega:ATmega328P-AU U1
U 1 1 6197A890
P 3700 3200
F 0 "U1" H 3700 1611 50  0000 C CNN
F 1 "ATmega328P-AU" H 3700 1520 50  0000 C CNN
F 2 "Package_QFP:TQFP-32_7x7mm_P0.8mm" H 3700 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 3700 3200 50  0001 C CNN
	1    3700 3200
	1    0    0    -1  
$EndComp
$Comp
L Device:Crystal Y1
U 1 1 6197B9BD
P 4850 2750
F 0 "Y1" V 4804 2881 50  0000 L CNN
F 1 "16MHz" V 4895 2881 50  0000 L CNN
F 2 "Crystal:Crystal_SMD_HC49-SD" H 4850 2750 50  0001 C CNN
F 3 "~" H 4850 2750 50  0001 C CNN
	1    4850 2750
	0    1    1    0   
$EndComp
$Comp
L Device:C C3
U 1 1 6197CA85
P 5300 2600
F 0 "C3" V 5048 2600 50  0000 C CNN
F 1 "22p" V 5139 2600 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 5338 2450 50  0001 C CNN
F 3 "~" H 5300 2600 50  0001 C CNN
	1    5300 2600
	0    1    1    0   
$EndComp
$Comp
L Device:C C4
U 1 1 6197D386
P 5300 2900
F 0 "C4" V 5048 2900 50  0000 C CNN
F 1 "22p" V 5139 2900 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 5338 2750 50  0001 C CNN
F 3 "~" H 5300 2900 50  0001 C CNN
	1    5300 2900
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR05
U 1 1 6197D8FD
P 5450 2900
F 0 "#PWR05" H 5450 2650 50  0001 C CNN
F 1 "GND" H 5455 2727 50  0000 C CNN
F 2 "" H 5450 2900 50  0001 C CNN
F 3 "" H 5450 2900 50  0001 C CNN
	1    5450 2900
	1    0    0    -1  
$EndComp
Wire Wire Line
	5450 2900 5450 2600
Wire Wire Line
	4300 2700 4700 2700
Wire Wire Line
	4700 2700 4700 2900
Wire Wire Line
	4700 2900 4850 2900
Wire Wire Line
	5150 2900 4850 2900
Connection ~ 4850 2900
Wire Wire Line
	5150 2600 4850 2600
Connection ~ 4850 2600
$Comp
L power:+5V #PWR02
U 1 1 61983397
P 3700 1550
F 0 "#PWR02" H 3700 1400 50  0001 C CNN
F 1 "+5V" H 3715 1723 50  0000 C CNN
F 2 "" H 3700 1550 50  0001 C CNN
F 3 "" H 3700 1550 50  0001 C CNN
	1    3700 1550
	1    0    0    -1  
$EndComp
$Comp
L Device:C C1
U 1 1 6198414B
P 3550 1550
F 0 "C1" V 3298 1550 50  0000 C CNN
F 1 "100n" V 3389 1550 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3588 1400 50  0001 C CNN
F 3 "~" H 3550 1550 50  0001 C CNN
	1    3550 1550
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR01
U 1 1 6198497A
P 3400 1550
F 0 "#PWR01" H 3400 1300 50  0001 C CNN
F 1 "GND" H 3405 1377 50  0000 C CNN
F 2 "" H 3400 1550 50  0001 C CNN
F 3 "" H 3400 1550 50  0001 C CNN
	1    3400 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	3700 1700 3700 1550
Connection ~ 3700 1550
$Comp
L power:GND #PWR03
U 1 1 61985E73
P 3700 4700
F 0 "#PWR03" H 3700 4450 50  0001 C CNN
F 1 "GND" H 3705 4527 50  0000 C CNN
F 2 "" H 3700 4700 50  0001 C CNN
F 3 "" H 3700 4700 50  0001 C CNN
	1    3700 4700
	1    0    0    -1  
$EndComp
Text Label 4300 3500 0    50   ~ 0
~RESET
$Comp
L Connector:AVR-ISP-6 J1
U 1 1 619866CD
P 9250 4000
F 0 "J1" H 8921 4096 50  0000 R CNN
F 1 "AVR-ISP-6" H 8921 4005 50  0000 R CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical" V 9000 4050 50  0001 C CNN
F 3 " ~" H 7975 3450 50  0001 C CNN
	1    9250 4000
	1    0    0    -1  
$EndComp
Text Label 9650 4100 0    50   ~ 0
~RESET
Text Label 4300 2500 0    50   ~ 0
SCK
Text Label 4750 2300 0    50   ~ 0
MOSI
Text Label 4750 2400 0    50   ~ 0
MISO
$Comp
L power:+5V #PWR010
U 1 1 61987B6C
P 9150 3500
F 0 "#PWR010" H 9150 3350 50  0001 C CNN
F 1 "+5V" H 9165 3673 50  0000 C CNN
F 2 "" H 9150 3500 50  0001 C CNN
F 3 "" H 9150 3500 50  0001 C CNN
	1    9150 3500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR011
U 1 1 6198813E
P 9150 4400
F 0 "#PWR011" H 9150 4150 50  0001 C CNN
F 1 "GND" H 9155 4227 50  0000 C CNN
F 2 "" H 9150 4400 50  0001 C CNN
F 3 "" H 9150 4400 50  0001 C CNN
	1    9150 4400
	1    0    0    -1  
$EndComp
$Comp
L Device:C C2
U 1 1 619896EA
P 3950 1550
F 0 "C2" V 3698 1550 50  0000 C CNN
F 1 "100n" V 3789 1550 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3988 1400 50  0001 C CNN
F 3 "~" H 3950 1550 50  0001 C CNN
	1    3950 1550
	0    -1   1    0   
$EndComp
$Comp
L power:GND #PWR04
U 1 1 61989702
P 4100 1550
F 0 "#PWR04" H 4100 1300 50  0001 C CNN
F 1 "GND" H 4105 1377 50  0000 C CNN
F 2 "" H 4100 1550 50  0001 C CNN
F 3 "" H 4100 1550 50  0001 C CNN
	1    4100 1550
	-1   0    0    -1  
$EndComp
Wire Wire Line
	3700 1550 3800 1550
Wire Wire Line
	3800 1550 3800 1700
Connection ~ 3800 1550
Text Label 9650 4000 0    50   ~ 0
SCK
Text Label 9650 3900 0    50   ~ 0
MOSI
Text Label 9650 3800 0    50   ~ 0
MISO
Text Label 6600 2650 2    50   ~ 0
LASER_ON
Text Label 6600 2750 2    50   ~ 0
EXHAUST_ENABLE
Text Label 6600 2850 2    50   ~ 0
STEPPER_ENABLE
Text Label 6600 2950 2    50   ~ 0
X_HOME
Text Label 6600 3850 2    50   ~ 0
Y_HOME
Text Label 7600 3650 0    50   ~ 0
Y_STEP
Text Label 7600 3750 0    50   ~ 0
Y_DIR
Text Label 7600 3850 0    50   ~ 0
X_STEP
Text Label 7600 3950 0    50   ~ 0
X_DIR
Text Label 7600 4050 0    50   ~ 0
LASER_PWM
Text Label 7600 4150 0    50   ~ 0
LASER_ENABLE_2
Text Label 4750 2500 0    50   ~ 0
LASER_ON
Text Label 4300 3200 0    50   ~ 0
EXHAUST_ENABLE
Text Label 4300 2000 0    50   ~ 0
STEPPER_ENABLE
Text Label 4300 2100 0    50   ~ 0
X_HOME
Text Label 4300 4000 0    50   ~ 0
Y_STEP
Text Label 4300 4300 0    50   ~ 0
Y_DIR
Text Label 4300 3900 0    50   ~ 0
X_STEP
Text Label 4300 4200 0    50   ~ 0
X_DIR
Text Label 4750 2200 0    50   ~ 0
LASER_PWM
Text Label 4900 3350 0    50   ~ 0
LASER_ENABLE_2
$Comp
L Interface_USB:CH340G U4
U 1 1 619A5B41
P 7050 5400
F 0 "U4" H 7050 4711 50  0000 C CNN
F 1 "CH340G/C/B" H 7050 4620 50  0000 C CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 7100 4850 50  0001 L CNN
F 3 "http://www.wch-ic.com/downloads/CH340DS1_PDF.html" H 6700 6200 50  0001 C CNN
	1    7050 5400
	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 6650 5300 2    50   ~ 0
USB+
Text Label 6650 5400 2    50   ~ 0
USB-
$Comp
L Device:C C8
U 1 1 619AB127
P 7200 4700
F 0 "C8" H 7315 4746 50  0000 L CNN
F 1 "100n" H 7315 4655 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 7238 4550 50  0001 C CNN
F 3 "~" H 7200 4700 50  0001 C CNN
	1    7200 4700
	0    -1   -1   0   
$EndComp
$Comp
L Device:C C7
U 1 1 619AC83A
P 6800 4700
F 0 "C7" H 6915 4746 50  0000 L CNN
F 1 "100n" H 6915 4655 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 6838 4550 50  0001 C CNN
F 3 "~" H 6800 4700 50  0001 C CNN
	1    6800 4700
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0101
U 1 1 619ACDD4
P 7350 4700
F 0 "#PWR0101" H 7350 4450 50  0001 C CNN
F 1 "GND" H 7355 4527 50  0000 C CNN
F 2 "" H 7350 4700 50  0001 C CNN
F 3 "" H 7350 4700 50  0001 C CNN
	1    7350 4700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0102
U 1 1 619AD1DD
P 6650 4700
F 0 "#PWR0102" H 6650 4450 50  0001 C CNN
F 1 "GND" H 6655 4527 50  0000 C CNN
F 2 "" H 6650 4700 50  0001 C CNN
F 3 "" H 6650 4700 50  0001 C CNN
	1    6650 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 4800 6950 4700
$Comp
L power:+5V #PWR0103
U 1 1 619ADEF4
P 7050 4700
F 0 "#PWR0103" H 7050 4550 50  0001 C CNN
F 1 "+5V" H 7065 4873 50  0000 C CNN
F 2 "" H 7050 4700 50  0001 C CNN
F 3 "" H 7050 4700 50  0001 C CNN
	1    7050 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	7050 4800 7050 4700
Connection ~ 7050 4700
$Comp
L power:GND #PWR0104
U 1 1 619AEAC6
P 7050 6000
F 0 "#PWR0104" H 7050 5750 50  0001 C CNN
F 1 "GND" H 7055 5827 50  0000 C CNN
F 2 "" H 7050 6000 50  0001 C CNN
F 3 "" H 7050 6000 50  0001 C CNN
	1    7050 6000
	1    0    0    -1  
$EndComp
Text Label 7450 5100 0    50   ~ 0
UART_RX
Text Label 7450 5000 0    50   ~ 0
UART_TX
Text Label 4300 3800 0    50   ~ 0
UART_RX
Text Label 4300 3700 0    50   ~ 0
UART_TX
Text Label 7450 5700 0    50   ~ 0
~UART_DTR
Text Label 7450 5600 0    50   ~ 0
~UART_DCD
Text Label 7450 5500 0    50   ~ 0
~UART_RI
Text Label 7450 5400 0    50   ~ 0
~UART_DSR
Text Label 7450 5300 0    50   ~ 0
~UART_CTS
Text Label 7450 5800 0    50   ~ 0
~UART_RTS
Text Label 8700 5550 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 9500 5400
F 0 "R2" H 9430 5354 50  0000 R CNN
F 1 "10k" H 9430 5445 50  0000 R CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 9430 5400 50  0001 C CNN
F 3 "~" H 9500 5400 50  0001 C CNN
	1    9500 5400
	-1   0    0    1   
$EndComp
$Comp
L Device:C C9
U 1 1 619B219E
P 9050 5550
F 0 "C9" H 9165 5596 50  0000 L CNN
F 1 "100n" H 9165 5505 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 9088 5400 50  0001 C CNN
F 3 "~" H 9050 5550 50  0001 C CNN
	1    9050 5550
	0    -1   -1   0   
$EndComp
Text Label 9600 5550 0    50   ~ 0
~RESET
$Comp
L Switch:SW_Push SW1
U 1 1 619B2C49
P 9500 5750
F 0 "SW1" V 9454 5898 50  0000 L CNN
F 1 "RESET" V 9545 5898 50  0000 L CNN
F 2 "Button_Switch_THT:SW_PUSH_6mm" H 9500 5950 50  0001 C CNN
F 3 "~" H 9500 5950 50  0001 C CNN
	1    9500 5750
	0    1    1    0   
$EndComp
$Comp
L Device:Jumper_NC_Small JP1
U 1 1 619B3A4C
P 8800 5550
F 0 "JP1" H 8800 5762 50  0000 C CNN
F 1 "UART_PRG" H 8800 5671 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 8800 5550 50  0001 C CNN
F 3 "~" H 8800 5550 50  0001 C CNN
	1    8800 5550
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0106
U 1 1 619B61CE
P 9500 5250
F 0 "#PWR0106" H 9500 5100 50  0001 C CNN
F 1 "+5V" H 9515 5423 50  0000 C CNN
F 2 "" H 9500 5250 50  0001 C CNN
F 3 "" H 9500 5250 50  0001 C CNN
	1    9500 5250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 619B66BF
P 9500 5950
F 0 "#PWR0107" H 9500 5700 50  0001 C CNN
F 1 "GND" H 9505 5777 50  0000 C CNN
F 2 "" H 9500 5950 50  0001 C CNN
F 3 "" H 9500 5950 50  0001 C CNN
	1    9500 5950
	1    0    0    -1  
$EndComp
$Comp
L Device:C C10
U 1 1 619B6B09
P 9200 5800
F 0 "C10" H 9315 5846 50  0000 L CNN
F 1 "10n" H 9315 5755 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 9238 5650 50  0001 C CNN
F 3 "~" H 9200 5800 50  0001 C CNN
	1    9200 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
	9200 5950 9500 5950
Connection ~ 9500 5950
Wire Wire Line
	9200 5550 9200 5650
Wire Wire Line
	9200 5550 9500 5550
Connection ~ 9200 5550
Connection ~ 9500 5550
Wire Wire Line
	9500 5550 9600 5550
Text Label 4300 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
	8900 2050 9050 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 7600 3150 0    50   ~ 0
USB+
Text Label 7600 3050 0    50   ~ 0
USB-
Wire Wire Line
	4750 2200 4650 2200
Wire Wire Line
	4650 2200 4650 2300
Wire Wire Line
	4650 2300 4300 2300
Wire Wire Line
	4750 2300 4650 2300
Connection ~ 4650 2300
Wire Wire Line
	4300 2600 4850 2600
Wire Wire Line
	4300 2400 4650 2400
Wire Wire Line
	4750 2500 4650 2500
Wire Wire Line
	4650 2500 4650 2400
Connection ~ 4650 2400
Wire Wire Line
	4650 2400 4750 2400
$Comp
L Interface_USB:FT232RL U5
U 1 1 619C2594
P 5250 6450
F 0 "U5" H 5250 7631 50  0000 C CNN
F 1 "FT232RL" H 5250 7540 50  0000 C CNN
F 2 "Package_SO:SSOP-28_5.3x10.2mm_P0.65mm" H 6350 5550 50  0001 C CNN
F 3 "https://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT232R.pdf" H 5250 6450 50  0001 C CNN
	1    5250 6450
	1    0    0    -1  
$EndComp
$Comp
L Device:C C13
U 1 1 619C5A72
P 5500 5200
F 0 "C13" H 5615 5246 50  0000 L CNN
F 1 "100n" H 5615 5155 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 5538 5050 50  0001 C CNN
F 3 "~" H 5500 5200 50  0001 C CNN
	1    5500 5200
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5350 5200 5150 5200
Connection ~ 5350 5200
$Comp
L power:GND #PWR0110
U 1 1 619C6BA3
P 5650 5200
F 0 "#PWR0110" H 5650 4950 50  0001 C CNN
F 1 "GND" H 5655 5027 50  0000 C CNN
F 2 "" H 5650 5200 50  0001 C CNN
F 3 "" H 5650 5200 50  0001 C CNN
	1    5650 5200
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0111
U 1 1 619C7037
P 5150 5200
F 0 "#PWR0111" H 5150 5050 50  0001 C CNN
F 1 "+5V" H 5165 5373 50  0000 C CNN
F 2 "" H 5150 5200 50  0001 C CNN
F 3 "" H 5150 5200 50  0001 C CNN
	1    5150 5200
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 5450 5350 5200
Wire Wire Line
	5150 5450 5150 5200
Connection ~ 5150 5200
$Comp
L Device:C C11
U 1 1 619CB730
P 4300 5750
F 0 "C11" H 4415 5796 50  0000 L CNN
F 1 "100n" H 4415 5705 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4338 5600 50  0001 C CNN
F 3 "~" H 4300 5750 50  0001 C CNN
	1    4300 5750
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 619CC458
P 4150 5750
F 0 "#PWR0112" H 4150 5500 50  0001 C CNN
F 1 "GND" H 4155 5577 50  0000 C CNN
F 2 "" H 4150 5750 50  0001 C CNN
F 3 "" H 4150 5750 50  0001 C CNN
	1    4150 5750
	1    0    0    -1  
$EndComp
Text Label 4450 6050 2    50   ~ 0
USB+
Text Label 4450 6150 2    50   ~ 0
USB-
$Comp
L power:GND #PWR0113
U 1 1 619CD048
P 5250 7450
F 0 "#PWR0113" H 5250 7200 50  0001 C CNN
F 1 "GND" H 5255 7277 50  0000 C CNN
F 2 "" H 5250 7450 50  0001 C CNN
F 3 "" H 5250 7450 50  0001 C CNN
	1    5250 7450
	1    0    0    -1  
$EndComp
Wire Wire Line
	5450 7450 5350 7450
Connection ~ 5250 7450
Wire Wire Line
	5250 7450 5050 7450
Connection ~ 5350 7450
Wire Wire Line
	5350 7450 5250 7450
Text Label 6050 5850 0    50   ~ 0
UART_RX
Text Label 6050 5750 0    50   ~ 0
UART_TX
Text Label 6050 6150 0    50   ~ 0
~UART_DTR
Text Label 6050 6350 0    50   ~ 0
~UART_DCD
Text Label 6050 6450 0    50   ~ 0
~UART_RI
Text Label 6050 6250 0    50   ~ 0
~UART_DSR
Text Label 6050 6050 0    50   ~ 0
~UART_CTS
Text Label 6050 5950 0    50   ~ 0
~UART_RTS
Text Label 6650 5100 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 8900 2050 2    50   ~ 0
POWER_ON
$Comp
L Device:C C12
U 1 1 619F09D6
P 5000 5200
F 0 "C12" H 5115 5246 50  0000 L CNN
F 1 "100n" H 5115 5155 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 5038 5050 50  0001 C CNN
F 3 "~" H 5000 5200 50  0001 C CNN
	1    5000 5200
	0    -1   -1   0   
$EndComp
$Comp
L power:GND #PWR0114
U 1 1 619F109A
P 4850 5200
F 0 "#PWR0114" H 4850 4950 50  0001 C CNN
F 1 "GND" H 4855 5027 50  0000 C CNN
F 2 "" H 4850 5200 50  0001 C CNN
F 3 "" H 4850 5200 50  0001 C CNN
	1    4850 5200
	1    0    0    -1  
$EndComp
Connection ~ 5450 2900
$Comp
L MCU_Module:Arduino_Nano_v3.x A1
U 1 1 61A22618
P 2550 6100
F 0 "A1" H 2550 5011 50  0000 C CNN
F 1 "Arduino_Nano_v3.x" H 2550 4920 50  0000 C CNN
F 2 "Module:Arduino_Nano" H 2550 6100 50  0001 C CIN
F 3 "http://www.mouser.com/pdfdocs/Gravitech_Arduino_Nano3_0.pdf" H 2550 6100 50  0001 C CNN
	1    2550 6100
	1    0    0    -1  
$EndComp
Text Label 3050 5500 0    50   ~ 0
~RESET
Text Label 3050 5600 0    50   ~ 0
~RESET
$Comp
L power:GND #PWR0115
U 1 1 61A25429
P 2650 7100
F 0 "#PWR0115" H 2650 6850 50  0001 C CNN
F 1 "GND" H 2655 6927 50  0000 C CNN
F 2 "" H 2650 7100 50  0001 C CNN
F 3 "" H 2650 7100 50  0001 C CNN
	1    2650 7100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2650 7100 2550 7100
Connection ~ 2650 7100
$Comp
L power:+3V3 #PWR0117
U 1 1 61A26E4D
P 2650 5100
F 0 "#PWR0117" H 2650 4950 50  0001 C CNN
F 1 "+3V3" H 2665 5273 50  0000 C CNN
F 2 "" H 2650 5100 50  0001 C CNN
F 3 "" H 2650 5100 50  0001 C CNN
	1    2650 5100
	1    0    0    -1  
$EndComp
Text Label 3050 6400 0    50   ~ 0
EXHAUST_ENABLE
Text Label 2050 5800 2    50   ~ 0
Y_STEP
Text Label 2050 6100 2    50   ~ 0
Y_DIR
Text Label 2050 5700 2    50   ~ 0
X_STEP
Text Label 2050 6000 2    50   ~ 0
X_DIR
Text Label 1800 7200 0    50   ~ 0
LASER_ENABLE_2
Text Label 1300 7200 2    50   ~ 0
LASER_ON
Text Label 2050 6300 2    50   ~ 0
STEPPER_ENABLE
Text Label 2050 6400 2    50   ~ 0
X_HOME
Text Label 1100 6400 2    50   ~ 0
LASER_PWM
Text Label 2050 6500 2    50   ~ 0
Y_HOME
$Comp
L power:+5V #PWR0116
U 1 1 61A26A3D
P 2750 5100
F 0 "#PWR0116" H 2750 4950 50  0001 C CNN
F 1 "+5V" H 2765 5273 50  0000 C CNN
F 2 "" H 2750 5100 50  0001 C CNN
F 3 "" H 2750 5100 50  0001 C CNN
	1    2750 5100
	1    0    0    -1  
$EndComp
$Comp
L Device:Jumper_NC_Dual JP2
U 1 1 61A768D0
P 1550 7200
F 0 "JP2" H 1550 7347 50  0000 C CNN
F 1 "LASER_ON_SELECT" H 1550 7438 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical" H 1550 7200 50  0001 C CNN
F 3 "~" H 1550 7200 50  0001 C CNN
	1    1550 7200
	-1   0    0    1   
$EndComp
$Comp
L Transistor_FET:2N7002 Q1
U 1 1 61A7AFCE
P 1350 6600
F 0 "Q1" H 1555 6646 50  0000 L CNN
F 1 "2N7002" H 1555 6555 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 1550 6525 50  0001 L CIN
F 3 "https://www.onsemi.com/pub/Collateral/NDS7002A-D.PDF" H 1350 6600 50  0001 L CNN
	1    1350 6600
	-1   0    0    -1  
$EndComp
$Comp
L power:GND #PWR0118
U 1 1 61A7FC4E
P 1250 6800
F 0 "#PWR0118" H 1250 6550 50  0001 C CNN
F 1 "GND" H 1255 6627 50  0000 C CNN
F 2 "" H 1250 6800 50  0001 C CNN
F 3 "" H 1250 6800 50  0001 C CNN
	1    1250 6800
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 6600 1550 6600
$Comp
L Device:R R5
U 1 1 61A847C3
P 1250 6250
F 0 "R5" H 1320 6296 50  0000 L CNN
F 1 "1k" H 1320 6205 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 1180 6250 50  0001 C CNN
F 3 "~" H 1250 6250 50  0001 C CNN
	1    1250 6250
	-1   0    0    1   
$EndComp
$Comp
L power:+3V3 #PWR0119
U 1 1 61A8505D
P 1250 6100
F 0 "#PWR0119" H 1250 5950 50  0001 C CNN
F 1 "+3V3" H 1265 6273 50  0000 C CNN
F 2 "" H 1250 6100 50  0001 C CNN
F 3 "" H 1250 6100 50  0001 C CNN
	1    1250 6100
	1    0    0    -1  
$EndComp
Wire Wire Line
	1250 6400 1100 6400
Connection ~ 1250 6400
$Comp
L power:+5V #PWR0120
U 1 1 61A9F063
P 3100 2000
F 0 "#PWR0120" H 3100 1850 50  0001 C CNN
F 1 "+5V" H 3115 2173 50  0000 C CNN
F 2 "" H 3100 2000 50  0001 C CNN
F 3 "" H 3100 2000 50  0001 C CNN
	1    3100 2000
	1    0    0    -1  
$EndComp
Wire Wire Line
	1550 7100 1550 6700
Wire Wire Line
	1550 6700 2050 6700
$EndSCHEMATC