ai03-pcb-guide.sch

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 power:+5V #PWR0101
U 1 1 6168C7D3
P 3300 1000
F 0 "#PWR0101" H 3300 850 50  0001 C CNN
F 1 "+5V" H 3315 1173 50  0000 C CNN
F 2 "" H 3300 1000 50  0001 C CNN
F 3 "" H 3300 1000 50  0001 C CNN
	1    3300 1000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3300 950  3300 1000
Wire Wire Line
	3300 1150 3300 1000
Connection ~ 3300 1000
Wire Wire Line
	3300 1150 3200 1150
Connection ~ 3300 1150
Wire Wire Line
	3400 1150 3300 1150
$Comp
L power:GND #PWR0102
U 1 1 6168F2F4
P 3200 5000
F 0 "#PWR0102" H 3200 4750 50  0001 C CNN
F 1 "GND" H 3205 4827 50  0000 C CNN
F 2 "" H 3200 5000 50  0001 C CNN
F 3 "" H 3200 5000 50  0001 C CNN
	1    3200 5000
	1    0    0    -1  
$EndComp
Wire Wire Line
	3200 4750 3200 5000
Wire Wire Line
	3300 4750 3200 4750
$Comp
L Device:R_Small R1
U 1 1 61691062
P 4250 3550
F 0 "R1" V 4054 3550 50  0000 C CNN
F 1 "10k" V 4145 3550 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 4250 3550 50  0001 C CNN
F 3 "~" H 4250 3550 50  0001 C CNN
	1    4250 3550
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 61698E45
P 4600 3550
F 0 "#PWR0103" H 4600 3300 50  0001 C CNN
F 1 "GND" H 4605 3377 50  0000 C CNN
F 2 "" H 4600 3550 50  0001 C CNN
F 3 "" H 4600 3550 50  0001 C CNN
	1    4600 3550
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R_D+1
U 1 1 6169A0DF
P 2400 2450
F 0 "R_D+1" V 2204 2450 50  0000 C CNN
F 1 "22" V 2295 2450 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 2400 2450 50  0001 C CNN
F 3 "~" H 2400 2450 50  0001 C CNN
	1    2400 2450
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R_D-1
U 1 1 6169ADF6
P 2100 2550
F 0 "R_D-1" V 1904 2550 50  0000 C CNN
F 1 "22" V 1995 2550 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 2100 2550 50  0001 C CNN
F 3 "~" H 2100 2550 50  0001 C CNN
	1    2100 2550
	0    1    1    0   
$EndComp
Wire Wire Line
	2500 2450 2700 2450
Wire Wire Line
	2700 2550 2200 2550
$Comp
L Device:C_Small C1
U 1 1 6169C481
P 2400 2850
F 0 "C1" H 2492 2896 50  0000 L CNN
F 1 "1uF" H 2492 2805 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2400 2850 50  0001 C CNN
F 3 "~" H 2400 2850 50  0001 C CNN
	1    2400 2850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0104
U 1 1 6169EC47
P 2400 3100
F 0 "#PWR0104" H 2400 2850 50  0001 C CNN
F 1 "GND" H 2405 2927 50  0000 C CNN
F 2 "" H 2400 3100 50  0001 C CNN
F 3 "" H 2400 3100 50  0001 C CNN
	1    2400 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	2400 3100 2400 2950
Wire Wire Line
	2400 2750 2700 2750
$Comp
L Device:C_Small C4
U 1 1 6169FDD4
P 1450 3150
F 0 "C4" H 1542 3196 50  0000 L CNN
F 1 "0.01uF" H 1542 3105 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1450 3150 50  0001 C CNN
F 3 "~" H 1450 3150 50  0001 C CNN
	1    1450 3150
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C3
U 1 1 616A0D87
P 1200 3150
F 0 "C3" H 1292 3196 50  0000 L CNN
F 1 "0.1uF" H 1292 3105 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1200 3150 50  0001 C CNN
F 3 "~" H 1200 3150 50  0001 C CNN
	1    1200 3150
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C2
U 1 1 616A1AE1
P 950 3150
F 0 "C2" H 1042 3196 50  0000 L CNN
F 1 "0.1uF" H 1042 3105 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 950 3150 50  0001 C CNN
F 3 "~" H 950 3150 50  0001 C CNN
	1    950  3150
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C5
U 1 1 616A3450
P 1700 3150
F 0 "C5" H 1792 3196 50  0000 L CNN
F 1 "10uF" H 1792 3105 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1700 3150 50  0001 C CNN
F 3 "~" H 1700 3150 50  0001 C CNN
	1    1700 3150
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0105
U 1 1 616A510D
P 950 2850
F 0 "#PWR0105" H 950 2700 50  0001 C CNN
F 1 "+5V" H 965 3023 50  0000 C CNN
F 2 "" H 950 2850 50  0001 C CNN
F 3 "" H 950 2850 50  0001 C CNN
	1    950  2850
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0106
U 1 1 616A664B
P 1700 3400
F 0 "#PWR0106" H 1700 3150 50  0001 C CNN
F 1 "GND" H 1705 3227 50  0000 C CNN
F 2 "" H 1700 3400 50  0001 C CNN
F 3 "" H 1700 3400 50  0001 C CNN
	1    1700 3400
	1    0    0    -1  
$EndComp
Wire Wire Line
	950  3050 950  2950
Wire Wire Line
	1200 3050 1200 2950
Wire Wire Line
	1200 2950 950  2950
Connection ~ 950  2950
Wire Wire Line
	950  2950 950  2850
Wire Wire Line
	1450 3050 1450 2950
Wire Wire Line
	1450 2950 1200 2950
Connection ~ 1200 2950
Wire Wire Line
	1700 3050 1700 2950
Connection ~ 1450 2950
Wire Wire Line
	950  3250 950  3400
Wire Wire Line
	950  3400 1200 3400
Wire Wire Line
	1700 3250 1700 3400
Connection ~ 1700 3400
Wire Wire Line
	1450 3250 1450 3400
Connection ~ 1450 3400
Wire Wire Line
	1450 3400 1700 3400
Wire Wire Line
	1200 3250 1200 3400
Connection ~ 1200 3400
Wire Wire Line
	1200 3400 1450 3400
$Comp
L power:+5V #PWR0107
U 1 1 616A8DA8
P 2250 2250
F 0 "#PWR0107" H 2250 2100 50  0001 C CNN
F 1 "+5V" H 2265 2423 50  0000 C CNN
F 2 "" H 2250 2250 50  0001 C CNN
F 3 "" H 2250 2250 50  0001 C CNN
	1    2250 2250
	1    0    0    -1  
$EndComp
Wire Wire Line
	2250 2250 2700 2250
$Comp
L Device:Crystal_GND24_Small CrystalOscillator1
U 1 1 616B52C6
P 1750 1950
F 0 "CrystalOscillator1" V 1704 2094 50  0000 L CNN
F 1 "16 MHz" V 1795 2094 50  0000 L CNN
F 2 "Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm" H 1750 1950 50  0001 C CNN
F 3 "~" H 1750 1950 50  0001 C CNN
	1    1750 1950
	0    1    1    0   
$EndComp
Wire Wire Line
	1750 2050 2700 2050
Wire Wire Line
	2700 1850 1750 1850
$Comp
L Device:C_Small C6
U 1 1 616B7553
P 1300 1800
F 0 "C6" V 1071 1800 50  0000 C CNN
F 1 "22pF" V 1162 1800 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1300 1800 50  0001 C CNN
F 3 "~" H 1300 1800 50  0001 C CNN
	1    1300 1800
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C7
U 1 1 616B8535
P 1300 2100
F 0 "C7" V 1071 2100 50  0000 C CNN
F 1 "22pF" V 1162 2100 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1300 2100 50  0001 C CNN
F 3 "~" H 1300 2100 50  0001 C CNN
	1    1300 2100
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 616B90CE
P 1200 2300
F 0 "#PWR0108" H 1200 2050 50  0001 C CNN
F 1 "GND" H 1205 2127 50  0000 C CNN
F 2 "" H 1200 2300 50  0001 C CNN
F 3 "" H 1200 2300 50  0001 C CNN
	1    1200 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	1200 2300 1200 2250
Wire Wire Line
	1200 2100 1200 1800
Connection ~ 1200 2100
Wire Wire Line
	1400 1800 1750 1800
Wire Wire Line
	1750 1800 1750 1850
Connection ~ 1750 1850
Wire Wire Line
	1750 2000 1750 2050
Wire Wire Line
	1750 2100 1400 2100
Connection ~ 1750 2050
Wire Wire Line
	1750 2050 1750 2100
Wire Wire Line
	1650 1950 1650 2250
Wire Wire Line
	1650 2250 1200 2250
Connection ~ 1200 2250
Wire Wire Line
	1200 2250 1200 2100
Wire Wire Line
	1650 2250 1850 2250
Wire Wire Line
	1850 2250 1850 1950
Connection ~ 1650 2250
$Comp
L Switch:SW_Push SW_Reset1
U 1 1 616BD4DE
P 2350 1450
F 0 "SW_Reset1" H 2350 1735 50  0000 C CNN
F 1 "SW_Push" H 2350 1644 50  0000 C CNN
F 2 "random-keyboard-parts:SKQG-1155865" H 2350 1650 50  0001 C CNN
F 3 "~" H 2350 1650 50  0001 C CNN
	1    2350 1450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 616BE250
P 1950 1450
F 0 "#PWR0109" H 1950 1200 50  0001 C CNN
F 1 "GND" H 1955 1277 50  0000 C CNN
F 2 "" H 1950 1450 50  0001 C CNN
F 3 "" H 1950 1450 50  0001 C CNN
	1    1950 1450
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 1450 2150 1450
Wire Wire Line
	2550 1450 2600 1450
Connection ~ 3200 4750
Wire Wire Line
	1700 2950 1450 2950
Wire Wire Line
	3900 3550 4150 3550
Wire Wire Line
	4600 3550 4350 3550
$Comp
L MCU_Microchip_ATmega:ATmega32U4-AU U1
U 1 1 61689003
P 3300 2950
F 0 "U1" H 3300 1061 50  0000 C CNN
F 1 "ATmega32U4-AU" H 3300 970 50  0000 C CNN
F 2 "Package_QFP:TQFP-44_10x10mm_P0.8mm" H 3300 2950 50  0001 C CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7766-8-bit-AVR-ATmega16U4-32U4_Datasheet.pdf" H 3300 2950 50  0001 C CNN
	1    3300 2950
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R2
U 1 1 616C0D91
P 2600 1250
F 0 "R2" H 2659 1296 50  0000 L CNN
F 1 "R_Small" H 2659 1205 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 2600 1250 50  0001 C CNN
F 3 "~" H 2600 1250 50  0001 C CNN
	1    2600 1250
	1    0    0    -1  
$EndComp
Wire Wire Line
	2600 1350 2600 1450
Connection ~ 2600 1450
Wire Wire Line
	2600 1450 2700 1450
$Comp
L power:+5V #PWR0110
U 1 1 616C2032
P 2600 1050
F 0 "#PWR0110" H 2600 900 50  0001 C CNN
F 1 "+5V" H 2615 1223 50  0000 C CNN
F 2 "" H 2600 1050 50  0001 C CNN
F 3 "" H 2600 1050 50  0001 C CNN
	1    2600 1050
	1    0    0    -1  
$EndComp
Wire Wire Line
	2600 1050 2600 1150
Text GLabel 1900 2450 0    50   Input ~ 0
D+
Text GLabel 1900 2550 0    50   Input ~ 0
D-
Wire Wire Line
	2000 2550 1900 2550
Wire Wire Line
	1900 2450 2300 2450
$Comp
L random-keyboard-parts:Molex-0548190589 USB1
U 1 1 616C58AB
P 5100 1600
F 0 "USB1" V 5637 1567 60  0000 C CNN
F 1 "Molex-0548190589" V 5531 1567 60  0000 C CNN
F 2 "random-keyboard-parts:Molex-0548190589" H 5100 1600 60  0001 C CNN
F 3 "" H 5100 1600 60  0001 C CNN
	1    5100 1600
	0    -1   -1   0   
$EndComp
$Comp
L Device:Polyfuse F1
U 1 1 616C831B
P 5950 1300
F 0 "F1" V 5725 1300 50  0000 C CNN
F 1 "500mA" V 5816 1300 50  0000 C CNN
F 2 "Fuse:Fuse_1206_3216Metric" H 6000 1100 50  0001 L CNN
F 3 "~" H 5950 1300 50  0001 C CNN
	1    5950 1300
	0    1    1    0   
$EndComp
Text GLabel 5600 1600 2    50   Input ~ 0
D+
Text GLabel 5600 1500 2    50   Input ~ 0
D-
Wire Wire Line
	5600 1500 5400 1500
Wire Wire Line
	5400 1600 5600 1600
Wire Wire Line
	5400 1300 5600 1300
$Comp
L power:+5V #PWR0111
U 1 1 616CC38A
P 6250 1250
F 0 "#PWR0111" H 6250 1100 50  0001 C CNN
F 1 "+5V" H 6265 1423 50  0000 C CNN
F 2 "" H 6250 1250 50  0001 C CNN
F 3 "" H 6250 1250 50  0001 C CNN
	1    6250 1250
	1    0    0    -1  
$EndComp
Wire Wire Line
	6250 1250 6250 1300
Wire Wire Line
	6250 1300 6100 1300
$Comp
L power:GND #PWR0112
U 1 1 616CEE06
P 5600 1800
F 0 "#PWR0112" H 5600 1550 50  0001 C CNN
F 1 "GND" H 5605 1627 50  0000 C CNN
F 2 "" H 5600 1800 50  0001 C CNN
F 3 "" H 5600 1800 50  0001 C CNN
	1    5600 1800
	1    0    0    -1  
$EndComp
Wire Wire Line
	5600 1800 5400 1800
$Comp
L power:VCC #PWR0113
U 1 1 616D1CB9
P 5600 1250
F 0 "#PWR0113" H 5600 1100 50  0001 C CNN
F 1 "VCC" H 5615 1423 50  0000 C CNN
F 2 "" H 5600 1250 50  0001 C CNN
F 3 "" H 5600 1250 50  0001 C CNN
	1    5600 1250
	1    0    0    -1  
$EndComp
Wire Wire Line
	5600 1250 5600 1300
Connection ~ 5600 1300
Wire Wire Line
	5600 1300 5800 1300
$Comp
L MX_Alps_Hybrid:MX-NoLED MX1
U 1 1 616D39A6
P 6250 1950
F 0 "MX1" H 6283 2173 60  0000 C CNN
F 1 "MX-NoLED" H 6283 2099 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U-NoLED" H 5625 1925 60  0001 C CNN
F 3 "" H 5625 1925 60  0001 C CNN
	1    6250 1950
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D1
U 1 1 616D4B80
P 6100 2200
F 0 "D1" V 6146 2130 50  0000 R CNN
F 1 "D_Small" V 6055 2130 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 6100 2200 50  0001 C CNN
F 3 "~" V 6100 2200 50  0001 C CNN
	1    6100 2200
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6100 2100 6200 2100
$Comp
L MX_Alps_Hybrid:MX-NoLED MX3
U 1 1 616DB35B
P 6800 1950
F 0 "MX3" H 6833 2173 60  0000 C CNN
F 1 "MX-NoLED" H 6833 2099 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U-NoLED" H 6175 1925 60  0001 C CNN
F 3 "" H 6175 1925 60  0001 C CNN
	1    6800 1950
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D3
U 1 1 616DB361
P 6650 2200
F 0 "D3" V 6696 2130 50  0000 R CNN
F 1 "D_Small" V 6605 2130 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 6650 2200 50  0001 C CNN
F 3 "~" V 6650 2200 50  0001 C CNN
	1    6650 2200
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6650 2100 6750 2100
$Comp
L MX_Alps_Hybrid:MX-NoLED MX2
U 1 1 616DCC9A
P 6250 2550
F 0 "MX2" H 6283 2773 60  0000 C CNN
F 1 "MX-NoLED" H 6283 2699 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U-NoLED" H 5625 2525 60  0001 C CNN
F 3 "" H 5625 2525 60  0001 C CNN
	1    6250 2550
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D2
U 1 1 616DCCA0
P 6100 2800
F 0 "D2" V 6146 2730 50  0000 R CNN
F 1 "D_Small" V 6055 2730 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 6100 2800 50  0001 C CNN
F 3 "~" V 6100 2800 50  0001 C CNN
	1    6100 2800
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6100 2700 6200 2700
$Comp
L MX_Alps_Hybrid:MX-NoLED MX4
U 1 1 616DE501
P 6800 2550
F 0 "MX4" H 6833 2773 60  0000 C CNN
F 1 "MX-NoLED" H 6833 2699 20  0000 C CNN
F 2 "MX_Alps_Hybrid:MX-1U-NoLED" H 6175 2525 60  0001 C CNN
F 3 "" H 6175 2525 60  0001 C CNN
	1    6800 2550
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Small D4
U 1 1 616DE507
P 6650 2800
F 0 "D4" V 6696 2730 50  0000 R CNN
F 1 "D_Small" V 6605 2730 50  0000 R CNN
F 2 "Diode_SMD:D_SOD-123" V 6650 2800 50  0001 C CNN
F 3 "~" V 6650 2800 50  0001 C CNN
	1    6650 2800
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6650 2700 6750 2700
Wire Wire Line
	6400 1600 6400 1900
Wire Wire Line
	6400 2500 6400 1900
Connection ~ 6400 1900
Wire Wire Line
	6650 2300 6100 2300
Wire Wire Line
	6100 2300 5850 2300
Connection ~ 6100 2300
Wire Wire Line
	6650 2900 6100 2900
Wire Wire Line
	5850 2900 6100 2900
Connection ~ 6100 2900
Wire Wire Line
	6950 2500 6950 1900
Wire Wire Line
	6950 1600 6950 1900
Connection ~ 6950 1900
Text GLabel 6400 1600 1    50   Input ~ 0
COL0
Text GLabel 6950 1600 1    50   Input ~ 0
COL1
Text GLabel 5850 2300 0    50   Input ~ 0
ROW0
Text GLabel 5850 2900 0    50   Input ~ 0
ROW1
Text GLabel 3900 1850 2    50   Input ~ 0
COL0
Text GLabel 3900 1950 2    50   Input ~ 0
COL1
Text GLabel 3900 2050 2    50   Input ~ 0
ROW1
Text GLabel 3900 3350 2    50   Input ~ 0
ROW0
$EndSCHEMATC