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reform-kbd-mcu.sch (37770B)


      1 EESchema Schematic File Version 4
      2 EELAYER 30 0
      3 EELAYER END
      4 $Descr A4 11693 8268
      5 encoding utf-8
      6 Sheet 2 3
      7 Title "MNT Reform 2 Keyboard"
      8 Date "2022-03-03"
      9 Rev "2.0R-2"
     10 Comp "Copyright 2017-2022 MNT Research GmbH"
     11 Comment1 "https://mntre.com"
     12 Comment2 "Engineer: Lukas F. Hartmann"
     13 Comment3 "License: CERN-OHL-S 2.0"
     14 Comment4 ""
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     62 F 3 "" H 2000 4050 50  0001 C CNN
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    541 $Comp
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    543 U 1 1 5CFBB66E
    544 P 4750 7150
    545 F 0 "GFX1" H 4850 7196 50  0000 L CNN
    546 F 1 "MNT" H 4850 7105 50  0000 L CNN
    547 F 2 "reform2-keyboard:mntreform" H 4750 7150 50  0001 C CNN
    548 F 3 "~" H 4750 7150 50  0001 C CNN
    549 F 4 "DNP" H 4750 7150 50  0001 C CNN "Manufacturer"
    550 F 5 "DNP" H 4750 7150 50  0001 C CNN "Manufacturer_No"
    551 F 6 "DNP" H 4750 7150 50  0001 C CNN "Flags"
    552 	1    4750 7150
    553 	1    0    0    -1  
    554 $EndComp
    555 $Comp
    556 L Mechanical:MountingHole GFX2
    557 U 1 1 5CFBBDCD
    558 P 5250 7150
    559 F 0 "GFX2" H 5350 7196 50  0000 L CNN
    560 F 1 "MNT" H 5350 7105 50  0000 L CNN
    561 F 2 "reform2-keyboard:mntreform" H 5250 7150 50  0001 C CNN
    562 F 3 "~" H 5250 7150 50  0001 C CNN
    563 F 4 "DNP" H 5250 7150 50  0001 C CNN "Manufacturer"
    564 F 5 "DNP" H 5250 7150 50  0001 C CNN "Manufacturer_No"
    565 F 6 "DNP" H 5250 7150 50  0001 C CNN "Flags"
    566 	1    5250 7150
    567 	1    0    0    -1  
    568 $EndComp
    569 Text Label 3050 4100 0    60   ~ 0
    570 UD+
    571 Text Label 3050 4200 0    60   ~ 0
    572 UD-
    573 $Comp
    574 L Connector_Generic:Conn_01x04 J3
    575 U 1 1 5D0C1E6C
    576 P 9350 5750
    577 F 0 "J3" H 9350 6050 50  0000 C CNN
    578 F 1 "AUX" H 9350 5400 50  0000 C CNN
    579 F 2 "Connector_FFC-FPC:Molex_200528-0040_1x04-1MP_P1.00mm_Horizontal" H 9350 5750 50  0001 C CNN
    580 F 3 "" H 9350 5750 50  0001 C CNN
    581 F 4 "XFCN" H 9350 5750 50  0001 C CNN "Manufacturer"
    582 F 5 "F1002-B-04-20T-R" H 9350 5750 50  0001 C CNN "Manufacturer_No"
    583 F 6 "686104148922" H 9350 5750 50  0001 C CNN "Alt MPN"
    584 F 7 "Würth" H 9350 5750 50  0001 C CNN "Alt Manuf"
    585 F 8 "C555410" H 9350 5750 50  0001 C CNN "LCSC"
    586 	1    9350 5750
    587 	1    0    0    1   
    588 $EndComp
    589 $Comp
    590 L power:GND #PWR019
    591 U 1 1 5D0C1E81
    592 P 8600 5950
    593 F 0 "#PWR019" H 8600 5700 50  0001 C CNN
    594 F 1 "GND" H 8600 5800 50  0000 C CNN
    595 F 2 "" H 8600 5950 50  0001 C CNN
    596 F 3 "" H 8600 5950 50  0001 C CNN
    597 	1    8600 5950
    598 	1    0    0    -1  
    599 $EndComp
    600 Wire Wire Line
    601 	8600 5850 9150 5850
    602 Wire Wire Line
    603 	3750 2100 3750 2200
    604 Wire Wire Line
    605 	3750 2200 3450 2200
    606 Wire Wire Line
    607 	3750 2200 3750 2800
    608 Wire Wire Line
    609 	3450 2250 3450 2200
    610 $Comp
    611 L power:+3V3 #PWR011
    612 U 1 1 5DC3E3E7
    613 P 3850 1850
    614 F 0 "#PWR011" H 3850 1700 50  0001 C CNN
    615 F 1 "+3V3" H 3865 2023 50  0000 C CNN
    616 F 2 "" H 3850 1850 50  0001 C CNN
    617 F 3 "" H 3850 1850 50  0001 C CNN
    618 	1    3850 1850
    619 	1    0    0    -1  
    620 $EndComp
    621 Wire Wire Line
    622 	3850 1850 3850 2200
    623 Wire Wire Line
    624 	3950 2450 3850 2450
    625 Wire Wire Line
    626 	3950 2450 3950 2800
    627 Connection ~ 3850 2450
    628 Wire Wire Line
    629 	3850 2450 3850 2800
    630 $Comp
    631 L Device:C_Small C6
    632 U 1 1 5DC43CAF
    633 P 4700 2350
    634 F 0 "C6" H 4710 2420 50  0000 L CNN
    635 F 1 "0.1uF" H 4750 2250 50  0000 L CNN
    636 F 2 "Capacitor_SMD:C_0603_1608Metric" H 4700 2350 50  0001 C CNN
    637 F 3 "" H 4700 2350 50  0001 C CNN
    638 F 4 "Yageo" H 4700 2350 50  0001 C CNN "Manufacturer"
    639 F 5 "CC0603KRX7R9BB104" H 4700 2350 50  0001 C CNN "Manufacturer_No"
    640 F 6 "C14663" H 4700 2350 50  0001 C CNN "LCSC"
    641 	1    4700 2350
    642 	1    0    0    -1  
    643 $EndComp
    644 Wire Wire Line
    645 	4700 2500 4700 2450
    646 Wire Wire Line
    647 	4700 2450 4450 2450
    648 Connection ~ 4700 2450
    649 Wire Wire Line
    650 	4450 2200 4700 2200
    651 Wire Wire Line
    652 	4700 2200 4700 2250
    653 Connection ~ 4450 2200
    654 Wire Wire Line
    655 	3850 2200 4450 2200
    656 Connection ~ 3850 2200
    657 Wire Wire Line
    658 	3850 2200 3850 2450
    659 $Comp
    660 L power:+3V3 #PWR06
    661 U 1 1 5DC4C10B
    662 P 3050 2450
    663 F 0 "#PWR06" H 3050 2300 50  0001 C CNN
    664 F 1 "+3V3" H 3065 2623 50  0000 C CNN
    665 F 2 "" H 3050 2450 50  0001 C CNN
    666 F 3 "" H 3050 2450 50  0001 C CNN
    667 	1    3050 2450
    668 	1    0    0    -1  
    669 $EndComp
    670 Wire Wire Line
    671 	2750 3900 3250 3900
    672 $Comp
    673 L power:PWR_FLAG #FLG01
    674 U 1 1 5DC538F6
    675 P 9650 2200
    676 F 0 "#FLG01" H 9650 2275 50  0001 C CNN
    677 F 1 "PWR_FLAG" H 9650 2400 50  0000 C CNN
    678 F 2 "" H 9650 2200 50  0001 C CNN
    679 F 3 "~" H 9650 2200 50  0001 C CNN
    680 	1    9650 2200
    681 	1    0    0    -1  
    682 $EndComp
    683 $Comp
    684 L power:+3V3 #PWR016
    685 U 1 1 5DC5E67D
    686 P 7350 5500
    687 F 0 "#PWR016" H 7350 5350 50  0001 C CNN
    688 F 1 "+3V3" H 7350 5650 50  0000 C CNN
    689 F 2 "" H 7350 5500 50  0001 C CNN
    690 F 3 "" H 7350 5500 50  0001 C CNN
    691 	1    7350 5500
    692 	1    0    0    -1  
    693 $EndComp
    694 Wire Wire Line
    695 	7350 5550 7650 5550
    696 $Comp
    697 L power:PWR_FLAG #FLG02
    698 U 1 1 5DC6E134
    699 P 7650 5550
    700 F 0 "#FLG02" H 7650 5625 50  0001 C CNN
    701 F 1 "PWR_FLAG" H 7650 5750 50  0000 C CNN
    702 F 2 "" H 7650 5550 50  0001 C CNN
    703 F 3 "~" H 7650 5550 50  0001 C CNN
    704 	1    7650 5550
    705 	1    0    0    -1  
    706 $EndComp
    707 Connection ~ 7650 5550
    708 Wire Wire Line
    709 	7650 5550 7850 5550
    710 $Comp
    711 L power:GND #PWR017
    712 U 1 1 5DC7484C
    713 P 7350 5950
    714 F 0 "#PWR017" H 7350 5700 50  0001 C CNN
    715 F 1 "GND" H 7350 5800 50  0000 C CNN
    716 F 2 "" H 7350 5950 50  0001 C CNN
    717 F 3 "" H 7350 5950 50  0001 C CNN
    718 	1    7350 5950
    719 	1    0    0    -1  
    720 $EndComp
    721 Wire Wire Line
    722 	7350 5950 7350 5850
    723 Wire Wire Line
    724 	7350 5850 7850 5850
    725 Wire Wire Line
    726 	7350 5500 7350 5550
    727 Text GLabel 9150 5650 0    60   Input ~ 0
    728 DISP_SCL
    729 Text GLabel 9150 5750 0    60   Input ~ 0
    730 DISP_SDA
    731 $Comp
    732 L power:+3V3 #PWR018
    733 U 1 1 5DC9A968
    734 P 8600 5500
    735 F 0 "#PWR018" H 8600 5350 50  0001 C CNN
    736 F 1 "+3V3" H 8500 5650 50  0000 L CNN
    737 F 2 "" H 8600 5500 50  0001 C CNN
    738 F 3 "" H 8600 5500 50  0001 C CNN
    739 	1    8600 5500
    740 	1    0    0    -1  
    741 $EndComp
    742 Text GLabel 4450 4300 2    60   Output ~ 0
    743 DISP_SCL
    744 Text GLabel 4450 4400 2    60   Output ~ 0
    745 DISP_SDA
    746 Text GLabel 7850 5750 0    60   Input ~ 0
    747 UART_TX
    748 Text GLabel 4450 3800 2    60   Output ~ 0
    749 PWM
    750 Text GLabel 10100 5900 0    60   Input ~ 0
    751 DISP_SCL
    752 Text GLabel 10100 5800 0    60   Input ~ 0
    753 DISP_SDA
    754 $Comp
    755 L Device:R_Small R5
    756 U 1 1 5DCCE912
    757 P 10200 5700
    758 F 0 "R5" H 10259 5746 50  0000 L CNN
    759 F 1 "4.7k" H 10259 5655 50  0000 L CNN
    760 F 2 "Resistor_SMD:R_0603_1608Metric" H 10200 5700 50  0001 C CNN
    761 F 3 "~" H 10200 5700 50  0001 C CNN
    762 F 4 "Yageo" H 10200 5700 50  0001 C CNN "Manufacturer"
    763 F 5 "RC0603JR-074K7L" H 10200 5700 50  0001 C CNN "Manufacturer_No"
    764 F 6 "C105428" H 10200 5700 50  0001 C CNN "LCSC"
    765 	1    10200 5700
    766 	1    0    0    -1  
    767 $EndComp
    768 $Comp
    769 L Device:R_Small R6
    770 U 1 1 5DCD0C98
    771 P 10500 5700
    772 F 0 "R6" H 10559 5746 50  0000 L CNN
    773 F 1 "4.7k" H 10559 5655 50  0000 L CNN
    774 F 2 "Resistor_SMD:R_0603_1608Metric" H 10500 5700 50  0001 C CNN
    775 F 3 "~" H 10500 5700 50  0001 C CNN
    776 F 4 "Yageo" H 10500 5700 50  0001 C CNN "Manufacturer"
    777 F 5 "RC0603JR-074K7L" H 10500 5700 50  0001 C CNN "Manufacturer_No"
    778 F 6 "C105428" H 10500 5700 50  0001 C CNN "LCSC"
    779 	1    10500 5700
    780 	1    0    0    -1  
    781 $EndComp
    782 Wire Wire Line
    783 	10100 5800 10200 5800
    784 Wire Wire Line
    785 	10500 5800 10500 5900
    786 Wire Wire Line
    787 	10500 5900 10100 5900
    788 $Comp
    789 L power:+3V3 #PWR014
    790 U 1 1 5DCD89CE
    791 P 10200 5400
    792 F 0 "#PWR014" H 10200 5250 50  0001 C CNN
    793 F 1 "+3V3" H 10215 5573 50  0000 C CNN
    794 F 2 "" H 10200 5400 50  0001 C CNN
    795 F 3 "" H 10200 5400 50  0001 C CNN
    796 	1    10200 5400
    797 	1    0    0    -1  
    798 $EndComp
    799 Wire Wire Line
    800 	10200 5400 10200 5500
    801 Wire Wire Line
    802 	10200 5500 10500 5500
    803 Wire Wire Line
    804 	10500 5500 10500 5600
    805 Connection ~ 10200 5500
    806 Wire Wire Line
    807 	10200 5500 10200 5600
    808 Text Notes 8650 5200 0    60   ~ 0
    809 To SSD1306
    810 $Comp
    811 L Mechanical:MountingHole_Pad H5
    812 U 1 1 5DC7F0C0
    813 P 3850 7150
    814 F 0 "H5" H 3950 7199 50  0000 L CNN
    815 F 1 "MH5" H 3950 7108 50  0000 L CNN
    816 F 2 "MountingHole:MountingHole_2.2mm_M2_Pad" H 3850 7150 50  0001 C CNN
    817 F 3 "~" H 3850 7150 50  0001 C CNN
    818 F 4 "DNP" H 3850 7150 50  0001 C CNN "Manufacturer"
    819 F 5 "DNP" H 3850 7150 50  0001 C CNN "Manufacturer_No"
    820 F 6 "DNP" H 3850 7150 50  0001 C CNN "Flags"
    821 	1    3850 7150
    822 	1    0    0    -1  
    823 $EndComp
    824 $Comp
    825 L Mechanical:MountingHole_Pad H6
    826 U 1 1 5DC7F6F1
    827 P 4250 7150
    828 F 0 "H6" H 4350 7199 50  0000 L CNN
    829 F 1 "MH6" H 4350 7108 50  0000 L CNN
    830 F 2 "MountingHole:MountingHole_2.2mm_M2_Pad" H 4250 7150 50  0001 C CNN
    831 F 3 "~" H 4250 7150 50  0001 C CNN
    832 F 4 "DNP" H 4250 7150 50  0001 C CNN "Manufacturer"
    833 F 5 "DNP" H 4250 7150 50  0001 C CNN "Manufacturer_No"
    834 F 6 "DNP" H 4250 7150 50  0001 C CNN "Flags"
    835 	1    4250 7150
    836 	1    0    0    -1  
    837 $EndComp
    838 Wire Wire Line
    839 	4250 7250 3850 7250
    840 Connection ~ 3450 7250
    841 Connection ~ 3850 7250
    842 Wire Wire Line
    843 	3850 7250 3450 7250
    844 Wire Wire Line
    845 	2500 3700 2500 2500
    846 Wire Wire Line
    847 	2500 2500 3050 2500
    848 Wire Wire Line
    849 	2500 3700 3050 3700
    850 Connection ~ 3050 2500
    851 Wire Wire Line
    852 	3050 2500 3050 2650
    853 $Comp
    854 L reform2-keyboard-rescue:USB_C_Receptacle_USB2.0-Connector J4
    855 U 1 1 5E62B709
    856 P 6400 3000
    857 AR Path="/5E62B709" Ref="J4"  Part="1" 
    858 AR Path="/5A2069AE/5E62B709" Ref="J4"  Part="1" 
    859 F 0 "J4" H 6507 3867 50  0000 C CNN
    860 F 1 "USB_C_Receptacle_USB2.0" H 6507 3776 50  0000 C CNN
    861 F 2 "Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12" H 6550 3000 50  0001 C CNN
    862 F 3 "https://www.usb.org/sites/default/files/documents/usb_type-c.zip" H 6550 3000 50  0001 C CNN
    863 F 4 "TYPE-C-31-M-12" H 6400 3000 50  0001 C CNN "Manufacturer_No"
    864 F 5 "Korean Hroparts" H 6400 3000 50  0001 C CNN "Manufacturer"
    865 F 6 "" H 6400 3000 50  0001 C CNN "Flags"
    866 F 7 "C165948" H 6400 3000 50  0001 C CNN "LCSC"
    867 	1    6400 3000
    868 	1    0    0    -1  
    869 $EndComp
    870 $Comp
    871 L power:+5V #PWR027
    872 U 1 1 5E62C5BA
    873 P 9200 1800
    874 F 0 "#PWR027" H 9200 1650 50  0001 C CNN
    875 F 1 "+5V" H 9200 1940 50  0000 C CNN
    876 F 2 "" H 9200 1800 50  0001 C CNN
    877 F 3 "" H 9200 1800 50  0001 C CNN
    878 	1    9200 1800
    879 	1    0    0    -1  
    880 $EndComp
    881 Wire Wire Line
    882 	6100 4050 6400 4050
    883 Wire Wire Line
    884 	6400 4050 6400 3900
    885 Wire Wire Line
    886 	6100 4050 6100 3900
    887 Text GLabel 7150 2900 2    60   Input ~ 0
    888 HD-
    889 Wire Wire Line
    890 	7150 2900 7000 2900
    891 Text GLabel 7150 3000 2    60   Input ~ 0
    892 HD-
    893 Wire Wire Line
    894 	7150 3000 7000 3000
    895 Text GLabel 7150 3100 2    60   Input ~ 0
    896 HD+
    897 Wire Wire Line
    898 	7150 3100 7000 3100
    899 Text GLabel 7150 3200 2    60   Input ~ 0
    900 HD+
    901 Wire Wire Line
    902 	7150 3200 7000 3200
    903 $Comp
    904 L Device:R_Small R13
    905 U 1 1 5E63CB6C
    906 P 7450 2600
    907 F 0 "R13" V 7254 2600 50  0000 C CNN
    908 F 1 "5.1k" V 7345 2600 50  0000 C CNN
    909 F 2 "Resistor_SMD:R_0603_1608Metric" H 7450 2600 50  0001 C CNN
    910 F 3 "~" H 7450 2600 50  0001 C CNN
    911 F 4 "Yageo" H 7450 2600 50  0001 C CNN "Manufacturer"
    912 F 5 "RC0603FR-075K1L" H 7450 2600 50  0001 C CNN "Manufacturer_No"
    913 F 6 "" H 7450 2600 50  0001 C CNN "Flags"
    914 F 7 "C105580" H 7450 2600 50  0001 C CNN "LCSC"
    915 	1    7450 2600
    916 	0    1    1    0   
    917 $EndComp
    918 $Comp
    919 L Device:R_Small R14
    920 U 1 1 5E63CE03
    921 P 7650 2700
    922 F 0 "R14" V 7900 2700 50  0000 C CNN
    923 F 1 "5.1k" V 7800 2700 50  0000 C CNN
    924 F 2 "Resistor_SMD:R_0603_1608Metric" H 7650 2700 50  0001 C CNN
    925 F 3 "~" H 7650 2700 50  0001 C CNN
    926 F 4 "Yageo" H 7650 2700 50  0001 C CNN "Manufacturer"
    927 F 5 "RC0603FR-075K1L" H 7650 2700 50  0001 C CNN "Manufacturer_No"
    928 F 6 "" H 7650 2700 50  0001 C CNN "Flags"
    929 F 7 "C105580" H 7650 2700 50  0001 C CNN "LCSC"
    930 	1    7650 2700
    931 	0    -1   -1   0   
    932 $EndComp
    933 Wire Wire Line
    934 	7000 2600 7350 2600
    935 Wire Wire Line
    936 	7000 2700 7550 2700
    937 Wire Wire Line
    938 	7850 2700 7750 2700
    939 Wire Wire Line
    940 	7550 2600 7850 2600
    941 NoConn ~ 7000 3500
    942 NoConn ~ 7000 3600
    943 $Comp
    944 L Regulator_Linear:MCP1700-3302E_SOT23 U3
    945 U 1 1 5F214B98
    946 P 6450 1300
    947 F 0 "U3" H 6450 1542 50  0000 C CNN
    948 F 1 "MCP1700-3302E_SOT23" H 6450 1451 50  0000 C CNN
    949 F 2 "Package_TO_SOT_SMD:SOT-23" H 6450 1525 50  0001 C CNN
    950 F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20001826D.pdf" H 6450 1300 50  0001 C CNN
    951 F 4 "Microchip" H 6450 1300 50  0001 C CNN "Manufacturer"
    952 F 5 "MCP1700T-3302E/TT" H 6450 1300 50  0001 C CNN "Manufacturer_No"
    953 F 6 "" H 6450 1300 50  0001 C CNN "Flags"
    954 F 7 "C39051" H 6450 1300 50  0001 C CNN "LCSC"
    955 	1    6450 1300
    956 	1    0    0    -1  
    957 $EndComp
    958 $Comp
    959 L power:+5V #PWR0102
    960 U 1 1 5F215B65
    961 P 5900 1250
    962 F 0 "#PWR0102" H 5900 1100 50  0001 C CNN
    963 F 1 "+5V" H 5900 1390 50  0000 C CNN
    964 F 2 "" H 5900 1250 50  0001 C CNN
    965 F 3 "" H 5900 1250 50  0001 C CNN
    966 	1    5900 1250
    967 	1    0    0    -1  
    968 $EndComp
    969 Wire Wire Line
    970 	5900 1250 5900 1300
    971 Wire Wire Line
    972 	5900 1300 6150 1300
    973 $Comp
    974 L power:GND #PWR0103
    975 U 1 1 5F2187C9
    976 P 6450 1700
    977 F 0 "#PWR0103" H 6450 1450 50  0001 C CNN
    978 F 1 "GND" H 6455 1527 50  0000 C CNN
    979 F 2 "" H 6450 1700 50  0001 C CNN
    980 F 3 "" H 6450 1700 50  0001 C CNN
    981 	1    6450 1700
    982 	1    0    0    -1  
    983 $EndComp
    984 $Comp
    985 L power:+3V3 #PWR0104
    986 U 1 1 5F21B5B0
    987 P 7000 1250
    988 F 0 "#PWR0104" H 7000 1100 50  0001 C CNN
    989 F 1 "+3V3" H 7015 1423 50  0000 C CNN
    990 F 2 "" H 7000 1250 50  0001 C CNN
    991 F 3 "" H 7000 1250 50  0001 C CNN
    992 	1    7000 1250
    993 	1    0    0    -1  
    994 $EndComp
    995 Wire Wire Line
    996 	7000 1250 7000 1300
    997 Wire Wire Line
    998 	7000 1300 6750 1300
    999 $Comp
   1000 L Device:C_Small C11
   1001 U 1 1 5F2226E4
   1002 P 5900 1450
   1003 F 0 "C11" H 5910 1520 50  0000 L CNN
   1004 F 1 "1uF" H 5910 1370 50  0000 L CNN
   1005 F 2 "Capacitor_SMD:C_0603_1608Metric" H 5900 1450 50  0001 C CNN
   1006 F 3 "" H 5900 1450 50  0001 C CNN
   1007 F 4 "Yageo" H 5900 1450 50  0001 C CNN "Manufacturer"
   1008 F 5 "CC0603KRX5R8BB105" H 5900 1450 50  0001 C CNN "Manufacturer_No"
   1009 F 6 "" H 5900 1450 50  0001 C CNN "Flags"
   1010 F 7 "C14664" H 5900 1450 50  0001 C CNN "LCSC"
   1011 	1    5900 1450
   1012 	-1   0    0    -1  
   1013 $EndComp
   1014 $Comp
   1015 L Device:C_Small C12
   1016 U 1 1 5F223065
   1017 P 7000 1450
   1018 F 0 "C12" H 7010 1520 50  0000 L CNN
   1019 F 1 "1uF" H 7010 1370 50  0000 L CNN
   1020 F 2 "Capacitor_SMD:C_0603_1608Metric" H 7000 1450 50  0001 C CNN
   1021 F 3 "" H 7000 1450 50  0001 C CNN
   1022 F 4 "Yageo" H 7000 1450 50  0001 C CNN "Manufacturer"
   1023 F 5 "CC0603KRX5R8BB105" H 7000 1450 50  0001 C CNN "Manufacturer_No"
   1024 F 6 "" H 7000 1450 50  0001 C CNN "Flags"
   1025 F 7 "C14664" H 7000 1450 50  0001 C CNN "LCSC"
   1026 	1    7000 1450
   1027 	-1   0    0    -1  
   1028 $EndComp
   1029 Wire Wire Line
   1030 	7000 1350 7000 1300
   1031 Connection ~ 7000 1300
   1032 Wire Wire Line
   1033 	5900 1300 5900 1350
   1034 Connection ~ 5900 1300
   1035 Wire Wire Line
   1036 	6450 1600 6450 1650
   1037 Wire Wire Line
   1038 	6450 1650 5900 1650
   1039 Wire Wire Line
   1040 	5900 1650 5900 1550
   1041 Connection ~ 6450 1650
   1042 Wire Wire Line
   1043 	6450 1650 6450 1700
   1044 Wire Wire Line
   1045 	6450 1650 7000 1650
   1046 Wire Wire Line
   1047 	7000 1650 7000 1550
   1048 $Comp
   1049 L power:GND #PWR030
   1050 U 1 1 5F50C9D3
   1051 P 9200 3300
   1052 F 0 "#PWR030" H 9200 3050 50  0001 C CNN
   1053 F 1 "GND" H 9200 3150 50  0000 C CNN
   1054 F 2 "" H 9200 3300 50  0001 C CNN
   1055 F 3 "" H 9200 3300 50  0001 C CNN
   1056 	1    9200 3300
   1057 	1    0    0    -1  
   1058 $EndComp
   1059 Wire Wire Line
   1060 	9200 3300 9200 3250
   1061 $Comp
   1062 L Power_Protection:USBLC6-2SC6 U4
   1063 U 1 1 5F51A975
   1064 P 10150 2750
   1065 F 0 "U4" H 10150 3550 50  0000 C CNN
   1066 F 1 "USBLC6-2SC6" H 10150 3450 50  0000 C CNN
   1067 F 2 "Package_TO_SOT_SMD:SOT-23-6" H 10150 2250 50  0001 C CNN
   1068 F 3 "https://www.st.com/resource/en/datasheet/usblc6-2.pdf" H 10350 3100 50  0001 C CNN
   1069 F 4 "UMW" H 10150 2750 50  0001 C CNN "Manufacturer"
   1070 F 5 "USBLC6-2SC6" H 10150 2750 50  0001 C CNN "Manufacturer_No"
   1071 F 6 "USBLC6-2SC6" H 10150 2750 50  0001 C CNN "Alt MPN"
   1072 F 7 "STMicroelectronics" H 10150 2750 50  0001 C CNN "Alt Manuf"
   1073 F 8 "C2687116" H 10150 2750 50  0001 C CNN "LCSC"
   1074 	1    10150 2750
   1075 	1    0    0    -1  
   1076 $EndComp
   1077 Wire Wire Line
   1078 	10150 2200 10150 2350
   1079 Text GLabel 10600 2850 2    60   Input ~ 0
   1080 D-
   1081 Text GLabel 10600 2650 2    60   Input ~ 0
   1082 HD-
   1083 Text GLabel 9700 2850 0    60   Input ~ 0
   1084 D+
   1085 Text GLabel 9700 2650 0    60   Input ~ 0
   1086 HD+
   1087 Wire Wire Line
   1088 	9200 3250 10150 3250
   1089 Wire Wire Line
   1090 	10150 3250 10150 3150
   1091 Connection ~ 9200 3250
   1092 Wire Wire Line
   1093 	10600 2850 10550 2850
   1094 Wire Wire Line
   1095 	10600 2650 10550 2650
   1096 Wire Wire Line
   1097 	9750 2850 9700 2850
   1098 Wire Wire Line
   1099 	9700 2650 9750 2650
   1100 Wire Wire Line
   1101 	6400 4050 6750 4050
   1102 Connection ~ 6400 4050
   1103 Text Notes 5750 850  0    60   ~ 0
   1104 Only in standalone Keyboard
   1105 Connection ~ 9650 2200
   1106 Wire Wire Line
   1107 	5500 4650 6250 4650
   1108 Text GLabel 6250 4550 0    60   Input ~ 0
   1109 HD+
   1110 Text GLabel 6250 4450 0    60   Input ~ 0
   1111 HD-
   1112 $Comp
   1113 L Connector_Generic:Conn_01x04 J1
   1114 U 1 1 5A213B3D
   1115 P 6450 4450
   1116 F 0 "J1" H 6450 4700 50  0000 C CNN
   1117 F 1 "USB" H 6450 4100 50  0000 C CNN
   1118 F 2 "Connector_JST:JST_PH_S4B-PH-SM4-TB_1x04-1MP_P2.00mm_Horizontal" H 6450 4450 50  0001 C CNN
   1119 F 3 "" H 6450 4450 50  0001 C CNN
   1120 F 4 "JST" H 6450 4450 50  0001 C CNN "Manufacturer"
   1121 F 5 "S4B-PH-SM4-K-TB(LF)(SN)" H 6450 4450 50  0001 C CNN "Manufacturer_No"
   1122 F 6 "62000411622" H 6450 4450 50  0001 C CNN "Alt MPN"
   1123 F 7 "Würth" H 6450 4450 50  0001 C CNN "Alt Manuf"
   1124 F 8 "C265332" H 6450 4450 50  0001 C CNN "LCSC"
   1125 	1    6450 4450
   1126 	1    0    0    -1  
   1127 $EndComp
   1128 Wire Wire Line
   1129 	5500 4350 6250 4350
   1130 Wire Wire Line
   1131 	5500 4650 5500 4950
   1132 Wire Wire Line
   1133 	5500 4950 6750 4950
   1134 Wire Wire Line
   1135 	6750 4950 6750 4050
   1136 Connection ~ 6750 4050
   1137 Wire Wire Line
   1138 	6750 4050 8100 4050
   1139 $Comp
   1140 L Device:Polyfuse_Small F1
   1141 U 1 1 5F9A5714
   1142 P 8100 2200
   1143 F 0 "F1" V 8305 2200 50  0000 C CNN
   1144 F 1 "0ZCJ0075AF2E" V 8214 2200 50  0000 C CNN
   1145 F 2 "Resistor_SMD:R_1206_3216Metric" H 8150 2000 50  0001 L CNN
   1146 F 3 "~" H 8100 2200 50  0001 C CNN
   1147 F 4 "TECHFUSE" H 8100 2200 50  0001 C CNN "Manufacturer"
   1148 F 5 "nSMD100-16V" H 8100 2200 50  0001 C CNN "Manufacturer_No"
   1149 F 6 "0ZCJ0075AF2E" H 8100 2200 50  0001 C CNN "Alt MPN"
   1150 F 7 "Bel Fuse" H 8100 2200 50  0001 C CNN "Alt Manuf"
   1151 F 8 "C70082" H 8100 2200 50  0001 C CNN "LCSC"
   1152 	1    8100 2200
   1153 	0    -1   -1   0   
   1154 $EndComp
   1155 $Comp
   1156 L Device:Ferrite_Bead_Small FB1
   1157 U 1 1 5F9A80D4
   1158 P 8750 2200
   1159 F 0 "FB1" V 8513 2200 50  0000 C CNN
   1160 F 1 "BLM18PG221SH1D" V 8604 2200 50  0000 C CNN
   1161 F 2 "Inductor_SMD:L_0603_1608Metric" V 8680 2200 50  0001 C CNN
   1162 F 3 "~" H 8750 2200 50  0001 C CNN
   1163 F 4 "Murata" H 8750 2200 50  0001 C CNN "Manufacturer"
   1164 F 5 "BLM18PG121SN1D" H 8750 2200 50  0001 C CNN "Manufacturer_No"
   1165 F 6 "C14709" H 8750 2200 50  0001 C CNN "LCSC"
   1166 	1    8750 2200
   1167 	0    1    1    0   
   1168 $EndComp
   1169 Wire Wire Line
   1170 	8200 2200 8650 2200
   1171 Wire Wire Line
   1172 	9650 2200 10150 2200
   1173 Wire Wire Line
   1174 	7850 2600 7850 2650
   1175 $Comp
   1176 L Device:R_Small R15
   1177 U 1 1 5F9CE0B0
   1178 P 8750 3250
   1179 F 0 "R15" H 8780 3270 50  0000 L CNN
   1180 F 1 "0" H 8780 3210 50  0000 L CNN
   1181 F 2 "Resistor_SMD:R_0603_1608Metric" H 8750 3250 50  0001 C CNN
   1182 F 3 "" H 8750 3250 50  0001 C CNN
   1183 F 4 "Yageo" H 8750 3250 50  0001 C CNN "Manufacturer"
   1184 F 5 "RC0603JR-070RL" H 8750 3250 50  0001 C CNN "Manufacturer_No"
   1185 F 6 "C95177" H 8750 3250 50  0001 C CNN "LCSC"
   1186 	1    8750 3250
   1187 	0    1    1    0   
   1188 $EndComp
   1189 Wire Wire Line
   1190 	8100 3250 8650 3250
   1191 Wire Wire Line
   1192 	8100 4050 8100 3250
   1193 Wire Wire Line
   1194 	7850 2650 8100 2650
   1195 Wire Wire Line
   1196 	8100 2650 8100 3250
   1197 Wire Wire Line
   1198 	8850 3250 9200 3250
   1199 Connection ~ 7850 2650
   1200 Wire Wire Line
   1201 	7850 2650 7850 2700
   1202 Connection ~ 8100 3250
   1203 $Comp
   1204 L Mechanical:MountingHole GFX3
   1205 U 1 1 5FA5BF13
   1206 P 5750 7150
   1207 F 0 "GFX3" H 5850 7196 50  0000 L CNN
   1208 F 1 "MNT" H 5850 7105 50  0000 L CNN
   1209 F 2 "footprints:mnt-reform-keyboard-r2-badge" H 5750 7150 50  0001 C CNN
   1210 F 3 "~" H 5750 7150 50  0001 C CNN
   1211 F 4 "DNP" H 5750 7150 50  0001 C CNN "Manufacturer"
   1212 F 5 "DNP" H 5750 7150 50  0001 C CNN "Manufacturer_No"
   1213 F 6 "DNP" H 5750 7150 50  0001 C CNN "Flags"
   1214 	1    5750 7150
   1215 	1    0    0    -1  
   1216 $EndComp
   1217 Wire Wire Line
   1218 	8850 2200 9200 2200
   1219 Wire Wire Line
   1220 	9200 1800 9200 2200
   1221 Connection ~ 9200 2200
   1222 Wire Wire Line
   1223 	9200 2200 9650 2200
   1224 Wire Notes Line
   1225 	5700 3900 7900 3900
   1226 Wire Notes Line
   1227 	7200 2300 7200 900 
   1228 Wire Wire Line
   1229 	5500 2050 5500 4350
   1230 Wire Wire Line
   1231 	7300 2050 5500 2050
   1232 Wire Wire Line
   1233 	7300 2200 7300 2050
   1234 Connection ~ 7300 2200
   1235 Wire Wire Line
   1236 	7300 2200 7300 2400
   1237 Wire Wire Line
   1238 	7300 2200 8000 2200
   1239 Wire Wire Line
   1240 	7300 2400 7000 2400
   1241 Wire Notes Line
   1242 	7200 2300 7900 2300
   1243 Wire Notes Line
   1244 	7900 2300 7900 3900
   1245 Wire Notes Line
   1246 	7200 900  5700 900 
   1247 Wire Notes Line
   1248 	5700 900  5700 3900
   1249 $Comp
   1250 L Diode:BZT52Bxx D164
   1251 U 1 1 5F52BD36
   1252 P 9200 2750
   1253 F 0 "D164" V 9154 2830 50  0000 L CNN
   1254 F 1 "BZT52-B5V6J" V 9245 2830 50  0000 L CNN
   1255 F 2 "Diode_SMD:D_SOD-123" H 9200 2575 50  0001 C CNN
   1256 F 3 "https://diotec.com/tl_files/diotec/files/pdf/datasheets/bzt52b2v4.pdf" H 9200 2750 50  0001 C CNN
   1257 F 4 "MDD" H 9200 2750 50  0001 C CNN "Manufacturer"
   1258 F 5 "BZT52C5V6" H 9200 2750 50  0001 C CNN "Manufacturer_No"
   1259 F 6 "BZT52-B5V6J" H 9200 2750 50  0001 C CNN "Alt MPN"
   1260 F 7 "Nexperia" H 9200 2750 50  0001 C CNN "Alt Manuf"
   1261 F 8 "C173406" H 9200 2750 50  0001 C CNN "LCSC"
   1262 	1    9200 2750
   1263 	0    -1   1    0   
   1264 $EndComp
   1265 Wire Wire Line
   1266 	9200 2200 9200 2600
   1267 Wire Wire Line
   1268 	9200 2900 9200 3250
   1269 Text Notes 7450 5200 0    60   ~ 0
   1270 To SYSCTL
   1271 Wire Wire Line
   1272 	8600 5550 8600 5500
   1273 Wire Wire Line
   1274 	8600 5550 9150 5550
   1275 Wire Wire Line
   1276 	8600 5950 8600 5850
   1277 $Comp
   1278 L Connector:AVR-ISP-6 J5
   1279 U 1 1 623598CC
   1280 P 1300 6000
   1281 F 0 "J5" H 971 6096 50  0000 R CNN
   1282 F 1 "AVR-ISP-6" H 971 6005 50  0000 R CNN
   1283 F 2 "Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical" V 1050 6050 50  0001 C CNN
   1284 F 3 " ~" H 25  5450 50  0001 C CNN
   1285 F 4 "DNP" H 1300 6000 50  0001 C CNN "Flags"
   1286 F 5 "DNP" H 1300 6000 50  0001 C CNN "Manufacturer"
   1287 F 6 "DNP" H 1300 6000 50  0001 C CNN "Manufacturer_No"
   1288 	1    1300 6000
   1289 	1    0    0    -1  
   1290 $EndComp
   1291 $Comp
   1292 L power:+3V3 #PWR015
   1293 U 1 1 6235F304
   1294 P 1200 5400
   1295 F 0 "#PWR015" H 1200 5250 50  0001 C CNN
   1296 F 1 "+3V3" H 1215 5573 50  0000 C CNN
   1297 F 2 "" H 1200 5400 50  0001 C CNN
   1298 F 3 "" H 1200 5400 50  0001 C CNN
   1299 	1    1200 5400
   1300 	1    0    0    -1  
   1301 $EndComp
   1302 Wire Wire Line
   1303 	1200 5400 1200 5500
   1304 $Comp
   1305 L power:GND #PWR026
   1306 U 1 1 62365908
   1307 P 1200 6500
   1308 F 0 "#PWR026" H 1200 6250 50  0001 C CNN
   1309 F 1 "GND" H 1200 6350 50  0000 C CNN
   1310 F 2 "" H 1200 6500 50  0001 C CNN
   1311 F 3 "" H 1200 6500 50  0001 C CNN
   1312 	1    1200 6500
   1313 	1    0    0    -1  
   1314 $EndComp
   1315 Wire Wire Line
   1316 	1200 6500 1200 6400
   1317 Text GLabel 1800 6100 2    60   Input ~ 0
   1318 RESET
   1319 Wire Wire Line
   1320 	1800 6100 1700 6100
   1321 $Comp
   1322 L Device:R_Small R17
   1323 U 1 1 6238329C
   1324 P 2100 5800
   1325 F 0 "R17" V 2000 5750 50  0000 L CNN
   1326 F 1 "22" V 2100 5750 50  0000 L CNN
   1327 F 2 "Resistor_SMD:R_0603_1608Metric" H 2100 5800 50  0001 C CNN
   1328 F 3 "" H 2100 5800 50  0001 C CNN
   1329 F 4 "Yageo" H 2100 5800 50  0001 C CNN "Manufacturer"
   1330 F 5 "RC0603FR-0722RL" H 2100 5800 50  0001 C CNN "Manufacturer_No"
   1331 F 6 "C107701" H 2100 5800 50  0001 C CNN "LCSC"
   1332 	1    2100 5800
   1333 	0    1    1    0   
   1334 $EndComp
   1335 $Comp
   1336 L Device:R_Small R18
   1337 U 1 1 62383735
   1338 P 2350 5900
   1339 F 0 "R18" V 2250 5850 50  0000 L CNN
   1340 F 1 "22" V 2350 5850 50  0000 L CNN
   1341 F 2 "Resistor_SMD:R_0603_1608Metric" H 2350 5900 50  0001 C CNN
   1342 F 3 "" H 2350 5900 50  0001 C CNN
   1343 F 4 "Yageo" H 2350 5900 50  0001 C CNN "Manufacturer"
   1344 F 5 "RC0603FR-0722RL" H 2350 5900 50  0001 C CNN "Manufacturer_No"
   1345 F 6 "C107701" H 2350 5900 50  0001 C CNN "LCSC"
   1346 	1    2350 5900
   1347 	0    1    1    0   
   1348 $EndComp
   1349 $Comp
   1350 L Device:R_Small R19
   1351 U 1 1 62383D4E
   1352 P 2600 6000
   1353 F 0 "R19" V 2500 5950 50  0000 L CNN
   1354 F 1 "22" V 2600 5950 50  0000 L CNN
   1355 F 2 "Resistor_SMD:R_0603_1608Metric" H 2600 6000 50  0001 C CNN
   1356 F 3 "" H 2600 6000 50  0001 C CNN
   1357 F 4 "Yageo" H 2600 6000 50  0001 C CNN "Manufacturer"
   1358 F 5 "RC0603FR-0722RL" H 2600 6000 50  0001 C CNN "Manufacturer_No"
   1359 F 6 "C107701" H 2600 6000 50  0001 C CNN "LCSC"
   1360 	1    2600 6000
   1361 	0    1    1    0   
   1362 $EndComp
   1363 Wire Wire Line
   1364 	1700 5800 2000 5800
   1365 Wire Wire Line
   1366 	1700 5900 2250 5900
   1367 Wire Wire Line
   1368 	1700 6000 2500 6000
   1369 Text GLabel 2800 5800 2    60   Input ~ 0
   1370 COL5
   1371 Text GLabel 2800 5900 2    60   Input ~ 0
   1372 COL6
   1373 Text GLabel 2800 6000 2    60   Input ~ 0
   1374 COL7
   1375 Wire Wire Line
   1376 	2800 6000 2700 6000
   1377 Wire Wire Line
   1378 	2800 5900 2450 5900
   1379 Wire Wire Line
   1380 	2800 5800 2200 5800
   1381 Text Label 1750 5800 0    60   ~ 0
   1382 MISO
   1383 Text Label 1750 5900 0    60   ~ 0
   1384 MOSI
   1385 Text Label 1750 6000 0    60   ~ 0
   1386 SCK
   1387 $Comp
   1388 L Device:R_Small R16
   1389 U 1 1 623E5B93
   1390 P 1150 2300
   1391 F 0 "R16" H 1180 2320 50  0000 L CNN
   1392 F 1 "10k" H 1180 2260 50  0000 L CNN
   1393 F 2 "Resistor_SMD:R_0603_1608Metric" H 1150 2300 50  0001 C CNN
   1394 F 3 "" H 1150 2300 50  0001 C CNN
   1395 F 4 "Yageo" H 1150 2300 50  0001 C CNN "Manufacturer"
   1396 F 5 "RC0603JR-0710KL" H 1150 2300 50  0001 C CNN "Manufacturer_No"
   1397 F 6 "C99198" H 1150 2300 50  0001 C CNN "LCSC"
   1398 	1    1150 2300
   1399 	1    0    0    -1  
   1400 $EndComp
   1401 $Comp
   1402 L power:+3V3 #PWR013
   1403 U 1 1 623E624D
   1404 P 1150 2150
   1405 F 0 "#PWR013" H 1150 2000 50  0001 C CNN
   1406 F 1 "+3V3" H 1165 2323 50  0000 C CNN
   1407 F 2 "" H 1150 2150 50  0001 C CNN
   1408 F 3 "" H 1150 2150 50  0001 C CNN
   1409 	1    1150 2150
   1410 	1    0    0    -1  
   1411 $EndComp
   1412 Wire Wire Line
   1413 	1150 2400 1150 2500
   1414 Connection ~ 1150 2500
   1415 Wire Wire Line
   1416 	1150 2500 1300 2500
   1417 Wire Wire Line
   1418 	1150 2150 1150 2200
   1419 Text Notes 8300 5000 0    60   ~ 0
   1420 note: FLIPPED PINOUT vs R-1!
   1421 $EndSCHEMATC