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(export (version D)
(design
(source C:\Users\ak\Documents\GitHub\44Keys\a44key-pcb.sch)
(date "1/6/2022 2:21:22 PM")
(tool "Eeschema (5.1.4)-1")
(sheet (number 1) (name /) (tstamps /)
(title_block
(title)
(company)
(rev)
(date)
(source a44key-pcb.sch)
(comment (number 1) (value ""))
(comment (number 2) (value ""))
(comment (number 3) (value ""))
(comment (number 4) (value "")))))
(components
(comp (ref U1)
(value ATmega32U4-AU)
(footprint Package_QFP:TQFP-44_10x10mm_P0.8mm)
(datasheet http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7766-8-bit-AVR-ATmega16U4-32U4_Datasheet.pdf)
(libsource (lib MCU_Microchip_ATmega) (part ATmega32U4-AU) (description "16MHz, 32kB Flash, 2.5kB SRAM, 1kB EEPROM, USB 2.0, TQFP-44"))
(sheetpath (names /) (tstamps /))
(tstamp 616A381E))
(comp (ref R4)
(value 10k)
(footprint Resistor_SMD:R_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part R_Small) (description "Resistor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616B640C))
(comp (ref R2)
(value 22)
(footprint Resistor_SMD:R_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part R_Small) (description "Resistor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616B7A1A))
(comp (ref R1)
(value 22)
(footprint Resistor_SMD:R_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part R_Small) (description "Resistor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616B8307))
(comp (ref C6)
(value 1uF)
(footprint Capacitor_SMD:C_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616BABD0))
(comp (ref C4)
(value 0.1uF)
(footprint Capacitor_SMD:C_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616BC589))
(comp (ref C5)
(value 0.1uF)
(footprint Capacitor_SMD:C_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616BCED9))
(comp (ref C7)
(value 10uF)
(footprint Capacitor_SMD:C_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616BD696))
(comp (ref C1)
(value 0.1uF)
(footprint Capacitor_SMD:C_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616BDC55))
(comp (ref C2)
(value 22pF)
(footprint Capacitor_SMD:C_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616C4B88))
(comp (ref C3)
(value 22pF)
(footprint Capacitor_SMD:C_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616C5535))
(comp (ref SW1)
(value SW_Push)
(footprint random-keyboard-parts:SKQG-1155865)
(datasheet ~)
(libsource (lib Switch) (part SW_Push) (description "Push button switch, generic, two pins"))
(sheetpath (names /) (tstamps /))
(tstamp 616CB305))
(comp (ref R3)
(value 10k)
(footprint Resistor_SMD:R_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part R_Small) (description "Resistor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616D4E45))
(comp (ref USB1)
(value Molex-0548190589)
(footprint random-keyboard-parts:Molex-0548190589)
(libsource (lib random-keyboard-parts) (part Molex-0548190589) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 616D7FEE))
(comp (ref MX1)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 616E00A7))
(comp (ref D1)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616E1332))
(comp (ref MX5)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 616E6A1E))
(comp (ref D5)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616E6A28))
(comp (ref MX2)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 616E989E))
(comp (ref D2)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616E98A8))
(comp (ref MX6)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 616E98B3))
(comp (ref D6)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616E98BD))
(comp (ref MX9)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 616EFBDC))
(comp (ref D9)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616EFBE6))
(comp (ref MX13)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 616EFBF1))
(comp (ref D13)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616EFBFB))
(comp (ref MX10)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 616EFC06))
(comp (ref D10)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616EFC10))
(comp (ref MX14)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 616EFC1B))
(comp (ref D14)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616EFC25))
(comp (ref MX3)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 61713046))
(comp (ref D3)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 6171304C))
(comp (ref MX7)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 61713053))
(comp (ref D7)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 61713059))
(comp (ref MX4)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 61713060))
(comp (ref D4)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 61713066))
(comp (ref MX8)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 6171306D))
(comp (ref D8)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 61713073))
(comp (ref MX11)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 6171307A))
(comp (ref D11)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 61713080))
(comp (ref MX15)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 61713087))
(comp (ref D15)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 6171308D))
(comp (ref MX12)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 61713094))
(comp (ref D12)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 6171309A))
(comp (ref MX16)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 617130A1))
(comp (ref D16)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 617130A7))
(comp (ref MX17)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 6172A3D8))
(comp (ref D17)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 6172A3DE))
(comp (ref MX20)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 6172A3E5))
(comp (ref D20)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 6172A3EB))
(comp (ref MX18)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 6172A3F2))
(comp (ref D18)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 6172A3F8))
(comp (ref MX21)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 6172A3FF))
(comp (ref D21)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 6172A405))
(comp (ref MX19)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 6172A40C))
(comp (ref D19)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 6172A412))
(comp (ref MX22)
(value MX-NoLED)
(footprint MX_Alps_Hybrid:MX-Alps-Choc-X-1U-NoLED)
(libsource (lib MX_Alps_Hybrid) (part MX-NoLED) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 6172A419))
(comp (ref D22)
(value D_Small)
(footprint Diode_SMD:D_SOD-123)
(datasheet ~)
(libsource (lib Device) (part D_Small) (description "Diode, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 6172A41F))
(comp (ref J1)
(value AudioJack3)
(footprint SJ-43514:CUI_SJ-43514)
(datasheet ~)
(libsource (lib a44key-pcb-rescue) (part SJ-43514-SJ-43514) (description ""))
(sheetpath (names /) (tstamps /))
(tstamp 6186D5DF))
(comp (ref F1)
(value Polyfuse)
(footprint Fuse:Fuse_1206_3216Metric)
(datasheet ~)
(libsource (lib Device) (part Polyfuse) (description "Resettable fuse, polymeric positive temperature coefficient"))
(sheetpath (names /) (tstamps /))
(tstamp 616D8C6B))
(comp (ref Y1)
(value 16MHz)
(footprint Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm_HandSoldering)
(datasheet ~)
(libsource (lib Device) (part Crystal_GND24_Small) (description "Four pin crystal, GND on pins 2 and 4, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 616C3379))
(comp (ref J2)
(value Conn_01x04_Female)
(footprint Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical)
(datasheet ~)
(libsource (lib Connector) (part Conn_01x04_Female) (description "Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/)"))
(sheetpath (names /) (tstamps /))
(tstamp 6193A042))
(comp (ref J3)
(value Conn_01x04_Female)
(footprint Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical)
(datasheet ~)
(libsource (lib Connector) (part Conn_01x04_Female) (description "Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/)"))
(sheetpath (names /) (tstamps /))
(tstamp 6193AE0A))
(comp (ref C8)
(value 0.1uF)
(footprint Capacitor_SMD:C_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 6197A27B))
(comp (ref C9)
(value 1uF)
(footprint Capacitor_SMD:C_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 61D27F3E))
(comp (ref C11)
(value 0.1uF)
(footprint Capacitor_SMD:C_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part C_Small) (description "Unpolarized capacitor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 61D7857B))
(comp (ref R5)
(value 10k)
(footprint Resistor_SMD:R_0805_2012Metric)
(datasheet ~)
(libsource (lib Device) (part R_Small) (description "Resistor, small symbol"))
(sheetpath (names /) (tstamps /))
(tstamp 61DB2FD5))
(comp (ref J4)
(value Conn_01x04_Female)
(footprint Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical)
(datasheet ~)
(libsource (lib Connector) (part Conn_01x04_Female) (description "Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/)"))
(sheetpath (names /) (tstamps /))
(tstamp 61D88A1F)))
(libparts
(libpart (lib Connector) (part Conn_01x04_Female)
(description "Generic connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/)")
(docs ~)
(footprints
(fp Connector*:*_1x??_*))
(fields
(field (name Reference) J)
(field (name Value) Conn_01x04_Female))
(pins
(pin (num 1) (name Pin_1) (type passive))
(pin (num 2) (name Pin_2) (type passive))
(pin (num 3) (name Pin_3) (type passive))
(pin (num 4) (name Pin_4) (type passive))))
(libpart (lib Device) (part C_Small)
(description "Unpolarized capacitor, small symbol")
(docs ~)
(footprints
(fp C_*))
(fields
(field (name Reference) C)
(field (name Value) C_Small))
(pins
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (type passive))))
(libpart (lib Device) (part Crystal_GND24_Small)
(description "Four pin crystal, GND on pins 2 and 4, small symbol")
(docs ~)
(footprints
(fp Crystal*))
(fields
(field (name Reference) Y)
(field (name Value) Crystal_GND24_Small))
(pins
(pin (num 1) (name 1) (type passive))
(pin (num 2) (name 2) (type passive))
(pin (num 3) (name 3) (type passive))
(pin (num 4) (name 4) (type passive))))
(libpart (lib Device) (part D_Small)
(description "Diode, small symbol")
(docs ~)
(footprints
(fp TO-???*)
(fp *_Diode_*)
(fp *SingleDiode*)
(fp D_*))
(fields
(field (name Reference) D)
(field (name Value) D_Small))
(pins
(pin (num 1) (name K) (type passive))
(pin (num 2) (name A) (type passive))))
(libpart (lib Device) (part Polyfuse)
(description "Resettable fuse, polymeric positive temperature coefficient")
(docs ~)
(footprints
(fp *polyfuse*)
(fp *PTC*))
(fields
(field (name Reference) F)
(field (name Value) Polyfuse))
(pins
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (type passive))))
(libpart (lib Device) (part R_Small)
(description "Resistor, small symbol")
(docs ~)
(footprints
(fp R_*))
(fields
(field (name Reference) R)
(field (name Value) R_Small))
(pins
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (type passive))))
(libpart (lib MCU_Microchip_ATmega) (part ATmega16U4-AU)
(aliases
(alias ATmega16U4RC-AU)
(alias ATmega32U4-AU)
(alias ATmega32U4RC-AU))
(description "16MHz, 16kB Flash, 1.25kB SRAM, 512B EEPROM, USB 2.0, TQFP-44")
(docs http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7766-8-bit-AVR-ATmega16U4-32U4_Datasheet.pdf)
(footprints
(fp TQFP*10x10mm*P0.8mm*))
(fields
(field (name Reference) U)
(field (name Value) ATmega16U4-AU)
(field (name Footprint) Package_QFP:TQFP-44_10x10mm_P0.8mm))
(pins
(pin (num 1) (name PE6) (type 3state))
(pin (num 2) (name UVCC) (type power_in))
(pin (num 3) (name D-) (type BiDi))
(pin (num 4) (name D+) (type BiDi))
(pin (num 5) (name UGND) (type passive))
(pin (num 6) (name UCAP) (type passive))
(pin (num 7) (name VBUS) (type input))
(pin (num 8) (name PB0) (type 3state))
(pin (num 9) (name PB1) (type 3state))
(pin (num 10) (name PB2) (type 3state))
(pin (num 11) (name PB3) (type 3state))
(pin (num 12) (name PB7) (type 3state))
(pin (num 13) (name ~RESET) (type input))
(pin (num 14) (name VCC) (type power_in))
(pin (num 15) (name GND) (type power_in))
(pin (num 16) (name XTAL2) (type output))
(pin (num 17) (name XTAL1) (type input))
(pin (num 18) (name PD0) (type 3state))
(pin (num 19) (name PD1) (type 3state))
(pin (num 20) (name PD2) (type 3state))
(pin (num 21) (name PD3) (type 3state))
(pin (num 22) (name PD5) (type 3state))
(pin (num 23) (name GND) (type passive))
(pin (num 24) (name AVCC) (type power_in))
(pin (num 25) (name PD4) (type 3state))
(pin (num 26) (name PD6) (type 3state))
(pin (num 27) (name PD7) (type 3state))
(pin (num 28) (name PB4) (type 3state))
(pin (num 29) (name PB5) (type 3state))
(pin (num 30) (name PB6) (type 3state))
(pin (num 31) (name PC6) (type 3state))
(pin (num 32) (name PC7) (type 3state))
(pin (num 33) (name ~HWB~/PE2) (type 3state))
(pin (num 34) (name VCC) (type passive))
(pin (num 35) (name GND) (type passive))
(pin (num 36) (name PF7) (type 3state))
(pin (num 37) (name PF6) (type 3state))
(pin (num 38) (name PF5) (type 3state))
(pin (num 39) (name PF4) (type 3state))
(pin (num 40) (name PF1) (type 3state))
(pin (num 41) (name PF0) (type 3state))
(pin (num 42) (name AREF) (type passive))
(pin (num 43) (name GND) (type passive))
(pin (num 44) (name AVCC) (type passive))))
(libpart (lib MX_Alps_Hybrid) (part MX-NoLED)
(fields
(field (name Reference) MX)
(field (name Value) MX-NoLED))
(pins
(pin (num 1) (name COL) (type passive))
(pin (num 2) (name ROW) (type passive))))
(libpart (lib Switch) (part SW_Push)
(description "Push button switch, generic, two pins")
(docs ~)
(fields
(field (name Reference) SW)
(field (name Value) SW_Push))
(pins
(pin (num 1) (name 1) (type passive))
(pin (num 2) (name 2) (type passive))))
(libpart (lib a44key-pcb-rescue) (part SJ-43514-SJ-43514)
(fields
(field (name Reference) J)
(field (name Value) SJ-43514-SJ-43514)
(field (name Footprint) CUI_SJ-43514)
(field (name PART_REV) 1.04)
(field (name STANDARD) "MANUFACTURER RECOMMENDATIONS")
(field (name MANUFACTURER) "CUI INC"))
(pins
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (type passive))
(pin (num 3) (name ~) (type passive))
(pin (num 4) (name ~) (type passive))))
(libpart (lib random-keyboard-parts) (part Molex-0548190589)
(fields
(field (name Reference) USB)
(field (name Value) Molex-0548190589))
(pins
(pin (num 1) (name GND) (type input))
(pin (num 2) (name ID) (type input))
(pin (num 3) (name D+) (type input))
(pin (num 4) (name D-) (type input))
(pin (num 5) (name VBUS) (type input))
(pin (num 6) (name SHIELD) (type input)))))
(libraries
(library (logical Connector)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library/Connector.lib"))
(library (logical Device)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library/Device.lib"))
(library (logical MCU_Microchip_ATmega)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library/MCU_Microchip_ATmega.lib"))
(library (logical MX_Alps_Hybrid)
(uri "C:\\Users\\ak\\Documents\\GitHub\\44Keys/MX_Alps_Hybrid.pretty/Schematic Library/MX_Alps_Hybrid.lib"))
(library (logical Switch)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library/Switch.lib"))
(library (logical a44key-pcb-rescue)
(uri C:\Users\ak\Documents\GitHub\44Keys/a44key-pcb-rescue.lib))
(library (logical random-keyboard-parts)
(uri "C:\\Users\\ak\\Documents\\GitHub\\44Keys/random-keyboard-parts.pretty/Schematic Library/random-keyboard-parts.lib")))
(nets
(net (code 1) (name ROW3)
(node (ref D16) (pin 1))
(node (ref D8) (pin 1))
(node (ref D4) (pin 1))
(node (ref D12) (pin 1))
(node (ref U1) (pin 29)))
(net (code 2) (name ROW2)
(node (ref D3) (pin 1))
(node (ref D22) (pin 1))
(node (ref U1) (pin 28))
(node (ref D11) (pin 1))
(node (ref D19) (pin 1))
(node (ref D15) (pin 1))
(node (ref D7) (pin 1)))
(net (code 3) (name ROW1)
(node (ref D10) (pin 1))
(node (ref D6) (pin 1))
(node (ref U1) (pin 1))
(node (ref D2) (pin 1))
(node (ref D14) (pin 1))
(node (ref D18) (pin 1))
(node (ref D21) (pin 1)))
(net (code 4) (name "Net-(J1-Pad4)")
(node (ref J1) (pin 4)))
(net (code 5) (name SCL)
(node (ref U1) (pin 18))
(node (ref J1) (pin 2)))
(net (code 6) (name COL4)
(node (ref MX6) (pin 1))
(node (ref MX5) (pin 1))
(node (ref J2) (pin 2))
(node (ref U1) (pin 10))
(node (ref MX8) (pin 1))
(node (ref MX7) (pin 1)))
(net (code 7) (name "Net-(D19-Pad2)")
(node (ref D19) (pin 2))
(node (ref MX19) (pin 2)))
(net (code 8) (name COL5)
(node (ref MX1) (pin 1))
(node (ref U1) (pin 30))
(node (ref MX4) (pin 1))
(node (ref MX2) (pin 1))
(node (ref J2) (pin 3))
(node (ref MX3) (pin 1)))
(net (code 9) (name "Net-(D22-Pad2)")
(node (ref MX22) (pin 2))
(node (ref D22) (pin 2)))
(net (code 10) (name "Net-(D21-Pad2)")
(node (ref D21) (pin 2))
(node (ref MX21) (pin 2)))
(net (code 11) (name COL0)
(node (ref MX20) (pin 1))
(node (ref MX21) (pin 1))
(node (ref U1) (pin 37))
(node (ref MX22) (pin 1)))
(net (code 12) (name "Net-(D18-Pad2)")
(node (ref MX18) (pin 2))
(node (ref D18) (pin 2)))
(net (code 13) (name COL1)
(node (ref MX17) (pin 1))
(node (ref MX19) (pin 1))
(node (ref MX18) (pin 1))
(node (ref U1) (pin 36)))
(net (code 14) (name "Net-(D20-Pad2)")
(node (ref MX20) (pin 2))
(node (ref D20) (pin 2)))
(net (code 15) (name ROW0)
(node (ref D17) (pin 1))
(node (ref U1) (pin 27))
(node (ref D13) (pin 1))
(node (ref D20) (pin 1))
(node (ref D9) (pin 1))
(node (ref D5) (pin 1))
(node (ref D1) (pin 1)))
(net (code 16) (name COL2)
(node (ref MX16) (pin 1))
(node (ref MX15) (pin 1))
(node (ref U1) (pin 9))
(node (ref MX14) (pin 1))
(node (ref MX13) (pin 1)))
(net (code 17) (name COL3)
(node (ref MX11) (pin 1))
(node (ref MX12) (pin 1))
(node (ref MX10) (pin 1))
(node (ref MX9) (pin 1))
(node (ref U1) (pin 11)))
(net (code 18) (name "Net-(R5-Pad2)")
(node (ref U1) (pin 12))
(node (ref R5) (pin 2)))
(net (code 19) (name GND)
(node (ref R5) (pin 1))
(node (ref C3) (pin 2))
(node (ref C8) (pin 2))
(node (ref SW1) (pin 1))
(node (ref C2) (pin 2))
(node (ref J1) (pin 1))
(node (ref C1) (pin 2))
(node (ref C7) (pin 2))
(node (ref C5) (pin 2))
(node (ref C4) (pin 2))
(node (ref U1) (pin 43))
(node (ref C6) (pin 2))
(node (ref C9) (pin 2))
(node (ref U1) (pin 35))
(node (ref U1) (pin 5))
(node (ref U1) (pin 15))
(node (ref U1) (pin 23))
(node (ref R4) (pin 1))
(node (ref USB1) (pin 1))
(node (ref C11) (pin 1)))
(net (code 20) (name "Net-(C11-Pad2)")
(node (ref C11) (pin 2))
(node (ref U1) (pin 42)))
(net (code 21) (name +5V)
(node (ref U1) (pin 7))
(node (ref U1) (pin 2))
(node (ref F1) (pin 2))
(node (ref C9) (pin 1))
(node (ref C7) (pin 1))
(node (ref J1) (pin 3))
(node (ref USB1) (pin 5)))
(net (code 22) (name "Net-(J2-Pad1)")
(node (ref J2) (pin 1)))
(net (code 23) (name "Net-(J4-Pad4)")
(node (ref J4) (pin 4)))
(net (code 24) (name "Net-(J4-Pad1)")
(node (ref J4) (pin 1)))
(net (code 25) (name TH34)
(node (ref D8) (pin 2))
(node (ref J4) (pin 3))
(node (ref MX8) (pin 2))
(node (ref J3) (pin 3)))
(net (code 26) (name TH35)
(node (ref J4) (pin 2))
(node (ref D4) (pin 2))
(node (ref J3) (pin 2))
(node (ref MX4) (pin 2)))
(net (code 27) (name "Net-(Y1-Pad2)")
(node (ref Y1) (pin 2)))
(net (code 28) (name "Net-(J2-Pad4)")
(node (ref J2) (pin 4)))
(net (code 29) (name "Net-(J3-Pad4)")
(node (ref J3) (pin 4)))
(net (code 30) (name "Net-(J3-Pad1)")
(node (ref J3) (pin 1)))
(net (code 32) (name "Net-(USB1-Pad6)")
(node (ref USB1) (pin 6)))
(net (code 33) (name "Net-(USB1-Pad2)")
(node (ref USB1) (pin 2)))
(net (code 34) (name "Net-(Y1-Pad4)")
(node (ref Y1) (pin 4)))
(net (code 35) (name "Net-(C2-Pad1)")
(node (ref U1) (pin 17))
(node (ref Y1) (pin 1))
(node (ref C2) (pin 1)))
(net (code 36) (name VCC)
(node (ref R3) (pin 1))
(node (ref U1) (pin 44))
(node (ref C5) (pin 1))
(node (ref C1) (pin 1))
(node (ref U1) (pin 34))
(node (ref C4) (pin 1))
(node (ref U1) (pin 24))
(node (ref F1) (pin 1))
(node (ref C8) (pin 1))
(node (ref U1) (pin 14)))
(net (code 37) (name "Net-(C6-Pad1)")
(node (ref C6) (pin 1))
(node (ref U1) (pin 6)))
(net (code 38) (name "Net-(R2-Pad1)")
(node (ref U1) (pin 4))
(node (ref R2) (pin 1)))
(net (code 39) (name "Net-(R1-Pad1)")
(node (ref U1) (pin 3))
(node (ref R1) (pin 1)))
(net (code 40) (name "Net-(C3-Pad1)")
(node (ref Y1) (pin 3))
(node (ref U1) (pin 16))
(node (ref C3) (pin 1)))
(net (code 41) (name "Net-(U1-Pad22)")
(node (ref U1) (pin 22)))
(net (code 42) (name "Net-(R4-Pad2)")
(node (ref R4) (pin 2))
(node (ref U1) (pin 33)))
(net (code 43) (name "Net-(U1-Pad32)")
(node (ref U1) (pin 32)))
(net (code 44) (name "Net-(U1-Pad31)")
(node (ref U1) (pin 31)))
(net (code 45) (name "Net-(U1-Pad26)")
(node (ref U1) (pin 26)))
(net (code 46) (name "Net-(U1-Pad25)")
(node (ref U1) (pin 25)))
(net (code 47) (name "Net-(U1-Pad21)")
(node (ref U1) (pin 21)))
(net (code 48) (name "Net-(U1-Pad20)")
(node (ref U1) (pin 20)))
(net (code 49) (name "Net-(U1-Pad19)")
(node (ref U1) (pin 19)))
(net (code 50) (name "Net-(U1-Pad8)")
(node (ref U1) (pin 8)))
(net (code 51) (name "Net-(U1-Pad41)")
(node (ref U1) (pin 41)))
(net (code 52) (name "Net-(U1-Pad40)")
(node (ref U1) (pin 40)))
(net (code 53) (name "Net-(U1-Pad39)")
(node (ref U1) (pin 39)))
(net (code 54) (name "Net-(U1-Pad38)")
(node (ref U1) (pin 38)))
(net (code 55) (name "Net-(D3-Pad2)")
(node (ref MX3) (pin 2))
(node (ref D3) (pin 2)))
(net (code 56) (name "Net-(D7-Pad2)")
(node (ref MX7) (pin 2))
(node (ref D7) (pin 2)))
(net (code 57) (name "Net-(D14-Pad2)")
(node (ref MX14) (pin 2))
(node (ref D14) (pin 2)))
(net (code 58) (name "Net-(D10-Pad2)")
(node (ref MX10) (pin 2))
(node (ref D10) (pin 2)))
(net (code 59) (name "Net-(D17-Pad2)")
(node (ref D17) (pin 2))
(node (ref MX17) (pin 2)))
(net (code 60) (name "Net-(D16-Pad2)")
(node (ref MX16) (pin 2))
(node (ref D16) (pin 2)))
(net (code 61) (name "Net-(D12-Pad2)")
(node (ref MX12) (pin 2))
(node (ref D12) (pin 2)))
(net (code 62) (name "Net-(D13-Pad2)")
(node (ref MX13) (pin 2))
(node (ref D13) (pin 2)))
(net (code 63) (name "Net-(D15-Pad2)")
(node (ref MX15) (pin 2))
(node (ref D15) (pin 2)))
(net (code 64) (name "Net-(D11-Pad2)")
(node (ref D11) (pin 2))
(node (ref MX11) (pin 2)))
(net (code 65) (name D-)
(node (ref R1) (pin 2))
(node (ref USB1) (pin 4)))
(net (code 66) (name D+)
(node (ref R2) (pin 2))
(node (ref USB1) (pin 3)))
(net (code 67) (name "Net-(R3-Pad2)")
(node (ref SW1) (pin 2))
(node (ref R3) (pin 2))
(node (ref U1) (pin 13)))
(net (code 68) (name "Net-(D2-Pad2)")
(node (ref D2) (pin 2))
(node (ref MX2) (pin 2)))
(net (code 69) (name "Net-(D9-Pad2)")
(node (ref MX9) (pin 2))
(node (ref D9) (pin 2)))
(net (code 70) (name "Net-(D6-Pad2)")
(node (ref D6) (pin 2))
(node (ref MX6) (pin 2)))
(net (code 71) (name "Net-(D5-Pad2)")
(node (ref D5) (pin 2))
(node (ref MX5) (pin 2)))
(net (code 72) (name "Net-(D1-Pad2)")
(node (ref D1) (pin 2))
(node (ref MX1) (pin 2)))))