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UtilitechAS.amsreader-firmware/hardware/v1/kicad/HAN_ESP_TSS721.net
2019-12-12 19:23:15 +01:00

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(export (version D)
(design
(source C:\Users\roarf\Documents\HAN_ESP_TSS721\HAN_ESP_TSS721.sch)
(date "28.02.2018 23.03.17")
(tool "Eeschema (5.0.0-rc2-dev-40-gfef1ba999)")
(sheet (number 1) (name /) (tstamps /)
(title_block
(title)
(company)
(rev)
(date)
(source HAN_ESP_TSS721.sch)
(comment (number 1) (value ""))
(comment (number 2) (value ""))
(comment (number 3) (value ""))
(comment (number 4) (value "")))))
(components
(comp (ref U1)
(value TSS721)
(footprint Housings_SOIC:SOIC-16_3.9x9.9mm_Pitch1.27mm)
(libsource (lib tss721) (part TSS721))
(sheetpath (names /) (tstamps /))
(tstamp 5A9488D4))
(comp (ref Q1)
(value BSS84)
(footprint TO_SOT_Packages_SMD:SOT-23-5_HandSoldering)
(libsource (lib transistors) (part BSS84))
(sheetpath (names /) (tstamps /))
(tstamp 5A948969))
(comp (ref U2)
(value ESP-12E)
(footprint ESP8266:ESP-12E_SMD)
(libsource (lib ESP8266) (part ESP-12E))
(sheetpath (names /) (tstamps /))
(tstamp 5A948AC0))
(comp (ref J2)
(value USB)
(footprint Connectors:USB_Micro-B)
(libsource (lib conn) (part USB_OTG))
(sheetpath (names /) (tstamps /))
(tstamp 5A948B4F))
(comp (ref J1)
(value RJ45)
(footprint Connectors:RJ45_8)
(libsource (lib conn) (part RJ45))
(sheetpath (names /) (tstamps /))
(tstamp 5A948C76))
(comp (ref C1)
(value 220u)
(footprint Capacitors_THT:CP_Radial_D10.0mm_P5.00mm)
(libsource (lib device) (part CP))
(sheetpath (names /) (tstamps /))
(tstamp 5A948ED4))
(comp (ref R1)
(value 22k)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A949001))
(comp (ref R2)
(value 470R)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A949034))
(comp (ref C2)
(value 100n)
(footprint Capacitors_THT:C_Rect_L7.0mm_W3.5mm_P5.00mm)
(libsource (lib device) (part C_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A949059))
(comp (ref R6)
(value 10k)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A957E86))
(comp (ref R7)
(value 10k)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A957FFD))
(comp (ref R4)
(value 10k)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A958189))
(comp (ref R3)
(value 10k)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A958353))
(comp (ref R5)
(value 10k)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A9584D5))
(comp (ref JP1)
(value RX)
(footprint Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm)
(libsource (lib device) (part Jumper))
(sheetpath (names /) (tstamps /))
(tstamp 5A958CF6))
(comp (ref U3)
(value LM1117-3.3)
(footprint TO_SOT_Packages_SMD:SOT-223)
(libsource (lib regul) (part LM1117-3.3))
(sheetpath (names /) (tstamps /))
(tstamp 5A959567))
(comp (ref C3)
(value 100n)
(footprint Capacitors_THT:C_Rect_L7.0mm_W3.5mm_P5.00mm)
(libsource (lib device) (part C_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A95980F))
(comp (ref C4)
(value 220u)
(footprint Capacitors_THT:CP_Radial_D10.0mm_P5.00mm)
(libsource (lib device) (part CP_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A959880))
(comp (ref SW1)
(value "ESP Reset")
(footprint Buttons_Switches_THT:SW_PUSH_6mm_h5mm)
(libsource (lib switches) (part SW_Push))
(sheetpath (names /) (tstamps /))
(tstamp 5A959F27))
(comp (ref SW2)
(value "ESP Prog")
(footprint Buttons_Switches_THT:SW_PUSH_6mm_h5mm)
(libsource (lib switches) (part SW_Push))
(sheetpath (names /) (tstamps /))
(tstamp 5A959FAC))
(comp (ref J3)
(value FTDI)
(footprint Pin_Headers:Pin_Header_Straight_1x06_Pitch2.54mm)
(libsource (lib ESPProgHeader) (part FTDI_PROG_HDR))
(sheetpath (names /) (tstamps /))
(tstamp 5A95BFD3))
(comp (ref R8)
(value 220R)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A962847))
(comp (ref R9)
(value 220R)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A9629BD))
(comp (ref JP2)
(value TX)
(footprint Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm)
(libsource (lib device) (part Jumper))
(sheetpath (names /) (tstamps /))
(tstamp 5A963181))
(comp (ref C5)
(value 220u)
(footprint Capacitors_THT:CP_Radial_D10.0mm_P5.00mm)
(libsource (lib device) (part CP))
(sheetpath (names /) (tstamps /))
(tstamp 5A96394F))
(comp (ref R10)
(value 22k)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A9639E2))
(comp (ref U4)
(value DS18B20)
(footprint TO_SOT_Packages_THT:TO-92_Inline_Wide)
(datasheet http://datasheets.maximintegrated.com/en/ds/DS18B20.pdf)
(libsource (lib maxim) (part DS18B20))
(sheetpath (names /) (tstamps /))
(tstamp 5A973246))
(comp (ref R11)
(value 4k7)
(footprint Resistors_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal)
(libsource (lib device) (part R_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A996C7E))
(comp (ref C6)
(value 100n)
(footprint Capacitors_THT:C_Rect_L7.0mm_W3.5mm_P5.00mm)
(libsource (lib device) (part C_Small))
(sheetpath (names /) (tstamps /))
(tstamp 5A9CBC57)))
(libparts
(libpart (lib device) (part CP)
(description "Polarised capacitor")
(footprints
(fp CP_*))
(fields
(field (name Reference) C)
(field (name Value) CP))
(pins
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (type passive))))
(libpart (lib device) (part CP_Small)
(description "Polarised capacitor")
(footprints
(fp CP_*))
(fields
(field (name Reference) C)
(field (name Value) CP_Small))
(pins
(pin (num 1) (name ~) (type passive))
(pin (num 2) (name ~) (type passive))))
(libpart (lib device) (part C_Small)
(description "Unpolarized capacitor")
(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 ESP8266) (part ESP-12E)
(aliases
(alias ESP-12F))
(description "ESP8266 ESP-12E module, 22 pins, 2mm, PCB antenna")
(docs http://l0l.org.uk/2014/12/esp8266-modules-hardware-guide-gotta-catch-em-all/)
(footprints
(fp ESP-12E)
(fp ESP-12E_SMD))
(fields
(field (name Reference) U)
(field (name Value) ESP-12E))
(pins
(pin (num 1) (name REST) (type input))
(pin (num 2) (name ADC) (type passive))
(pin (num 3) (name CH_PD) (type input))
(pin (num 4) (name GPIO16) (type BiDi))
(pin (num 5) (name GPIO14) (type BiDi))
(pin (num 6) (name GPIO12) (type BiDi))
(pin (num 7) (name GPIO13) (type BiDi))
(pin (num 8) (name VCC) (type power_in))
(pin (num 9) (name GND) (type power_in))
(pin (num 10) (name GPIO15) (type BiDi))
(pin (num 11) (name GPIO2) (type BiDi))
(pin (num 12) (name GPIO0) (type BiDi))
(pin (num 13) (name GPIO4) (type BiDi))
(pin (num 14) (name GPIO5) (type BiDi))
(pin (num 15) (name RXD) (type input))
(pin (num 16) (name TXD) (type output))
(pin (num 17) (name CS0) (type BiDi))
(pin (num 18) (name MISO) (type BiDi))
(pin (num 19) (name GPIO9) (type BiDi))
(pin (num 20) (name GPIO10) (type BiDi))
(pin (num 21) (name MOSI) (type BiDi))
(pin (num 22) (name SCLK) (type BiDi))))
(libpart (lib ESPProgHeader) (part FTDI_PROG_HDR)
(description "Generic connector, single row, 01x06")
(docs ~)
(footprints
(fp Connector*:*_??x*mm*)
(fp Connector*:*1x??x*mm*)
(fp Pin?Header?Straight?1X*)
(fp Pin?Header?Angled?1X*)
(fp Socket?Strip?Straight?1X*)
(fp Socket?Strip?Angled?1X*))
(fields
(field (name Reference) J)
(field (name Value) FTDI_PROG_HDR))
(pins
(pin (num 1) (name Pin_1) (type NotConnected))
(pin (num 2) (name Pin_2) (type passive))
(pin (num 3) (name Pin_3) (type passive))
(pin (num 4) (name Pin_4) (type NotConnected))
(pin (num 5) (name Pin_5) (type NotConnected))
(pin (num 6) (name Pin_6) (type passive))))
(libpart (lib device) (part Jumper)
(description "Jumper, generic, normally closed")
(fields
(field (name Reference) JP)
(field (name Value) Jumper))
(pins
(pin (num 1) (name 1) (type passive))
(pin (num 2) (name 2) (type passive))))
(libpart (lib regul) (part LM1117-1.8)
(aliases
(alias LM1117-2.5)
(alias LM1117-3.3)
(alias LM1117-5.0)
(alias TLV1117-15)
(alias TLV1117-18)
(alias TLV1117-25)
(alias TLV1117-33)
(alias TLV1117-50))
(description "800mA Low-Dropout Linear Regulator, 1.8V fixed output, TO-220/TO-252/TO-263/SOT-223")
(docs http://www.ti.com/lit/ds/symlink/lm1117.pdf)
(footprints
(fp SOT?223*)
(fp TO?263*)
(fp TO?252*)
(fp TO?220*))
(fields
(field (name Reference) U)
(field (name Value) LM1117-1.8))
(pins
(pin (num 1) (name GND) (type power_in))
(pin (num 2) (name VO) (type power_out))
(pin (num 3) (name VI) (type power_in))))
(libpart (lib maxim) (part MAX31820)
(aliases
(alias DS1822)
(alias DS18B20)
(alias DS18S20)
(alias DS1821C))
(description "1-Wire Ambient Temperature Sensor")
(docs http://datasheets.maximintegrated.com/en/ds/MAX31820.pdf)
(footprints
(fp TO-92_*))
(fields
(field (name Reference) U)
(field (name Value) MAX31820))
(pins
(pin (num 1) (name GND) (type power_in))
(pin (num 2) (name DQ) (type BiDi))
(pin (num 3) (name VDD) (type power_in))))
(libpart (lib conn) (part RJ45)
(description "RJ45 connector with shield")
(fields
(field (name Reference) J)
(field (name Value) RJ45))
(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))
(pin (num 5) (name ~) (type passive))
(pin (num 6) (name ~) (type passive))
(pin (num 7) (name ~) (type passive))
(pin (num 8) (name ~) (type passive))
(pin (num 9) (name SHIELD) (type passive))))
(libpart (lib device) (part R_Small)
(description "Resistor, small symbol")
(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 switches) (part SW_Push)
(description "Push button switch, generic, two pins")
(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 transistors) (part TP0610T)
(aliases
(alias VP0610T)
(alias BSS84)
(alias NTR2101P)
(alias BSS83P))
(description "-60V Vds, -0.18A Id, P-Channel MOSFET, SOT-23-3")
(docs http://www.vishay.com/docs/70209/70209.pdf)
(footprints
(fp SOT?23*))
(fields
(field (name Reference) Q)
(field (name Value) TP0610T)
(field (name Footprint) TO_SOT_Packages_SMD:SOT-23))
(pins
(pin (num 1) (name G) (type input))
(pin (num 2) (name S) (type passive))
(pin (num 3) (name D) (type passive))))
(libpart (lib tss721) (part TSS721)
(aliases
(alias TSS721A))
(description "TSS721A Meter Bus Transceiver, SOIC-16/TSSOP-16")
(docs http://www.ti.com/lit/ds/symlink/tss721a.pdf)
(footprints
(fp SOIC*3.9x9.9mm*Pitch1.27mm*)
(fp TSSOP*4.4x5mm*Pitch0.65mm*))
(fields
(field (name Reference) U)
(field (name Value) TSS721))
(pins
(pin (num 1) (name BUSL2) (type input))
(pin (num 2) (name VB) (type passive))
(pin (num 3) (name STC) (type passive))
(pin (num 4) (name RIDD) (type output))
(pin (num 5) (name PF) (type input))
(pin (num 6) (name SC) (type passive))
(pin (num 7) (name TXI) (type output))
(pin (num 8) (name TX) (type output))
(pin (num 9) (name BAT) (type input))
(pin (num 10) (name VS) (type passive))
(pin (num 11) (name VDD) (type power_in))
(pin (num 12) (name RX) (type input))
(pin (num 13) (name RXI) (type input))
(pin (num 14) (name RIS) (type input))
(pin (num 15) (name GND) (type power_in))
(pin (num 16) (name BUSL1) (type input))))
(libpart (lib conn) (part USB_OTG)
(description "USB mini/micro connector")
(footprints
(fp USB*))
(fields
(field (name Reference) J)
(field (name Value) USB_OTG))
(pins
(pin (num 1) (name VBUS) (type power_in))
(pin (num 2) (name D-) (type passive))
(pin (num 3) (name D+) (type passive))
(pin (num 4) (name ID) (type passive))
(pin (num 5) (name GND) (type power_in))
(pin (num 6) (name Shield) (type passive)))))
(libraries
(library (logical ESP8266)
(uri ./ESP8266.lib))
(library (logical ESPProgHeader)
(uri "./ESP Prog Header.lib"))
(library (logical conn)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library/conn.lib"))
(library (logical device)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library/device.lib"))
(library (logical maxim)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library/maxim.lib"))
(library (logical regul)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library/regul.lib"))
(library (logical switches)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library/switches.lib"))
(library (logical transistors)
(uri "C:\\Program Files\\KiCad\\share\\kicad\\library/transistors.lib"))
(library (logical tss721)
(uri ./tss721.lib)))
(nets
(net (code 1) (name "Net-(J2-Pad3)")
(node (ref J2) (pin 3)))
(net (code 2) (name "Net-(R5-Pad2)")
(node (ref R5) (pin 2))
(node (ref U2) (pin 10)))
(net (code 3) (name "Net-(J1-Pad8)")
(node (ref J1) (pin 8)))
(net (code 4) (name "Net-(J1-Pad7)")
(node (ref J1) (pin 7)))
(net (code 5) (name "Net-(J1-Pad6)")
(node (ref J1) (pin 6)))
(net (code 6) (name "Net-(J1-Pad5)")
(node (ref J1) (pin 5)))
(net (code 7) (name "Net-(J1-Pad4)")
(node (ref J1) (pin 4)))
(net (code 8) (name "Net-(J1-Pad3)")
(node (ref J1) (pin 3)))
(net (code 9) (name "Net-(J2-Pad4)")
(node (ref J2) (pin 4)))
(net (code 10) (name "Net-(J2-Pad2)")
(node (ref J2) (pin 2)))
(net (code 11) (name GND)
(node (ref R10) (pin 1))
(node (ref C5) (pin 2))
(node (ref C6) (pin 2))
(node (ref C3) (pin 2))
(node (ref C4) (pin 2))
(node (ref R1) (pin 2))
(node (ref C2) (pin 2))
(node (ref R2) (pin 2))
(node (ref J2) (pin 5))
(node (ref C1) (pin 2))
(node (ref U1) (pin 15))
(node (ref Q1) (pin 1))
(node (ref U3) (pin 1))
(node (ref J2) (pin 6))
(node (ref J1) (pin 9))
(node (ref SW1) (pin 1))
(node (ref U2) (pin 9))
(node (ref U4) (pin 1))
(node (ref SW2) (pin 1))
(node (ref J3) (pin 6))
(node (ref R5) (pin 1)))
(net (code 12) (name "Net-(U1-Pad13)")
(node (ref U1) (pin 13)))
(net (code 13) (name "Net-(U1-Pad7)")
(node (ref U1) (pin 7)))
(net (code 14) (name "Net-(J1-Pad1)")
(node (ref J1) (pin 1))
(node (ref R8) (pin 1)))
(net (code 15) (name HAN_RX)
(node (ref JP2) (pin 1))
(node (ref U1) (pin 12)))
(net (code 16) (name "Net-(J1-Pad2)")
(node (ref R9) (pin 2))
(node (ref J1) (pin 2)))
(net (code 17) (name "Net-(R8-Pad2)")
(node (ref U1) (pin 16))
(node (ref R8) (pin 2)))
(net (code 18) (name "Net-(R9-Pad1)")
(node (ref R9) (pin 1))
(node (ref U1) (pin 1)))
(net (code 19) (name "Net-(U1-Pad5)")
(node (ref U1) (pin 5)))
(net (code 20) (name "Net-(R3-Pad1)")
(node (ref R3) (pin 1))
(node (ref U2) (pin 11)))
(net (code 21) (name ESP_PROG)
(node (ref R4) (pin 2))
(node (ref U2) (pin 12))
(node (ref SW2) (pin 2)))
(net (code 22) (name "Net-(J3-Pad1)")
(node (ref J3) (pin 1)))
(net (code 23) (name ESP_RX)
(node (ref U2) (pin 15))
(node (ref J3) (pin 3))
(node (ref JP1) (pin 2)))
(net (code 24) (name "Net-(U2-Pad18)")
(node (ref U2) (pin 18)))
(net (code 25) (name "Net-(U1-Pad10)")
(node (ref U1) (pin 10)))
(net (code 26) (name "Net-(U1-Pad2)")
(node (ref U1) (pin 2)))
(net (code 27) (name "Net-(U2-Pad7)")
(node (ref U2) (pin 7)))
(net (code 28) (name "Net-(U2-Pad6)")
(node (ref U2) (pin 6)))
(net (code 29) (name "Net-(U2-Pad5)")
(node (ref U2) (pin 5)))
(net (code 30) (name "Net-(U2-Pad4)")
(node (ref U2) (pin 4)))
(net (code 31) (name "Net-(U2-Pad2)")
(node (ref U2) (pin 2)))
(net (code 32) (name "Net-(U2-Pad13)")
(node (ref U2) (pin 13)))
(net (code 33) (name "Net-(U2-Pad17)")
(node (ref U2) (pin 17)))
(net (code 34) (name "Net-(U2-Pad19)")
(node (ref U2) (pin 19)))
(net (code 35) (name "Net-(U2-Pad20)")
(node (ref U2) (pin 20)))
(net (code 36) (name "Net-(U2-Pad21)")
(node (ref U2) (pin 21)))
(net (code 37) (name "Net-(U2-Pad22)")
(node (ref U2) (pin 22)))
(net (code 38) (name "Net-(J3-Pad5)")
(node (ref J3) (pin 5)))
(net (code 39) (name "Net-(J3-Pad4)")
(node (ref J3) (pin 4)))
(net (code 40) (name +3V3)
(node (ref U2) (pin 8))
(node (ref C4) (pin 1))
(node (ref R7) (pin 1))
(node (ref U3) (pin 2))
(node (ref R6) (pin 2))
(node (ref R3) (pin 2))
(node (ref R4) (pin 1))
(node (ref U4) (pin 3))
(node (ref C6) (pin 1))
(node (ref R11) (pin 1)))
(net (code 41) (name ESP_Temp)
(node (ref U4) (pin 2))
(node (ref R11) (pin 2))
(node (ref U2) (pin 14)))
(net (code 42) (name "Net-(C5-Pad1)")
(node (ref R10) (pin 2))
(node (ref C5) (pin 1))
(node (ref U1) (pin 9))
(node (ref U1) (pin 11)))
(net (code 43) (name ESP_TX)
(node (ref JP2) (pin 2))
(node (ref J3) (pin 2))
(node (ref U2) (pin 16)))
(net (code 44) (name "Net-(Q1-Pad2)")
(node (ref U1) (pin 3))
(node (ref Q1) (pin 2)))
(net (code 45) (name "Net-(C3-Pad1)")
(node (ref J2) (pin 1))
(node (ref U3) (pin 3))
(node (ref C3) (pin 1)))
(net (code 46) (name "Net-(C1-Pad1)")
(node (ref C1) (pin 1))
(node (ref Q1) (pin 3)))
(net (code 47) (name "Net-(R1-Pad1)")
(node (ref U1) (pin 4))
(node (ref R1) (pin 1)))
(net (code 48) (name ESP_RESET)
(node (ref SW1) (pin 2))
(node (ref R6) (pin 1))
(node (ref U2) (pin 1)))
(net (code 49) (name "Net-(C2-Pad1)")
(node (ref U1) (pin 6))
(node (ref C2) (pin 1)))
(net (code 50) (name "Net-(R7-Pad2)")
(node (ref U2) (pin 3))
(node (ref R7) (pin 2)))
(net (code 51) (name HAN_TX)
(node (ref U1) (pin 8))
(node (ref JP1) (pin 1)))
(net (code 52) (name "Net-(R2-Pad1)")
(node (ref U1) (pin 14))
(node (ref R2) (pin 1)))))