(kicad_pcb (version 20221018) (generator pcbnew)
  (general
    (thickness 1.6)
  )
  (paper "A4")
  (layers
    (0 "F.Cu" signal)
    (31 "B.Cu" signal)
    (32 "B.Adhes" user "B.Adhesive")
    (33 "F.Adhes" user "F.Adhesive")
    (34 "B.Paste" user)
    (35 "F.Paste" user)
    (36 "B.SilkS" user "B.Silkscreen")
    (37 "F.SilkS" user "F.Silkscreen")
    (38 "B.Mask" user)
    (39 "F.Mask" user)
    (40 "Dwgs.User" user "User.Drawings")
    (41 "Cmts.User" user "User.Comments")
    (42 "Eco1.User" user "User.Eco1")
    (43 "Eco2.User" user "User.Eco2")
    (44 "Edge.Cuts" user)
    (45 "Margin" user)
    (46 "B.CrtYd" user "B.Courtyard")
    (47 "F.CrtYd" user "F.Courtyard")
    (48 "B.Fab" user)
    (49 "F.Fab" user)
    (50 "User.1" user)
    (51 "User.2" user)
    (52 "User.3" user)
    (53 "User.4" user)
    (54 "User.5" user)
    (55 "User.6" user)
    (56 "User.7" user)
    (57 "User.8" user)
    (58 "User.9" user)
  )
  (setup
    (stackup
      (layer "F.SilkS" (type "Top Silk Screen"))
      (layer "F.Paste" (type "Top Solder Paste"))
      (layer "F.Mask" (type "Top Solder Mask") (thickness 0.01))
      (layer "F.Cu" (type "copper") (thickness 0.035))
      (layer "dielectric 1" (type "core") (thickness 1.51) (material "FR4") (epsilon_r 4.5) (loss_tangent 0.02))
      (layer "B.Cu" (type "copper") (thickness 0.035))
      (layer "B.Mask" (type "Bottom Solder Mask") (thickness 0.01))
      (layer "B.Paste" (type "Bottom Solder Paste"))
      (layer "B.SilkS" (type "Bottom Silk Screen"))
      (copper_finish "None")
      (dielectric_constraints no)
    )
    (pad_to_mask_clearance 0)
    (solder_mask_min_width 0.0101)
    (aux_axis_origin 100 100)
    (grid_origin 100 100)
    (pcbplotparams
      (layerselection 0x00010fc_ffffffff)
      (plot_on_all_layers_selection 0x0000000_00000000)
      (disableapertmacros false)
      (usegerberextensions false)
      (usegerberattributes true)
      (usegerberadvancedattributes true)
      (creategerberjobfile true)
      (dashed_line_dash_ratio 12.000000)
      (dashed_line_gap_ratio 3.000000)
      (svgprecision 4)
      (plotframeref false)
      (viasonmask false)
      (mode 1)
      (useauxorigin false)
      (hpglpennumber 1)
      (hpglpenspeed 20)
      (hpglpendiameter 15.000000)
      (dxfpolygonmode true)
      (dxfimperialunits true)
      (dxfusepcbnewfont true)
      (psnegative false)
      (psa4output false)
      (plotreference true)
      (plotvalue true)
      (plotinvisibletext false)
      (sketchpadsonfab false)
      (subtractmaskfromsilk false)
      (outputformat 1)
      (mirror false)
      (drillshape 1)
      (scaleselection 1)
      (outputdirectory "")
    )
  )
  (net 0 "")
  (net 1 "Net-(U1-THR)")
  (net 2 "GND")
  (net 3 "Net-(U1-DIS)")
  (net 4 "unconnected-(U1-CV-Pad5)")
  (net 5 "Net-(R3-Pad2)")
  (net 6 "Net-(U1-Q)")
  (net 7 "PWR")
  (net 8 "BUTTON")
  (net 9 "COMMON")
  (footprint "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" (layer "F.Cu")
    (at 100 100)
    (descr "Through hole straight pin header, 1x01, 2.54mm pitch, single row")
    (tags "Through hole pin header THT 1x01 2.54mm single row")
    (property "Sheetfile" "PFChuni.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Generic connector, single row, 01x01, script generated")
    (property "ki_keywords" "connector")
    (attr through_hole)
    (fp_text reference "J2" (at 0 -2.33) (layer "F.SilkS") hide)
    (fp_text value "Conn_01x01_Socket" (at 0 2.33) (layer "F.Fab") hide)
    (fp_text user "${REFERENCE}" (at 0 0 90) (layer "F.Fab"))
    (pad "1" thru_hole rect (at 0 0) (size 1.7 1.7) (drill 1) (layers "*.Cu" "*.Mask")
      (net 7 "PWR") (pinfunction "Pin_1") (pintype "passive"))
    (model "${KICAD6_3DMODEL_DIR}/Connector_PinHeader_2.54mm.3dshapes/PinHeader_1x01_P2.54mm_Vertical.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )
  (footprint "Package_SO:SOP-4_4.4x2.6mm_P1.27mm" (layer "F.Cu")
    (at 106.286 103.556)
    (descr "SOP, 4 Pin (http://www.vishay.com/docs/83510/tcmt1100.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py")
    (tags "SOP SO")
    (property "Sheetfile" "PFChuni.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "DC Optocoupler, Vce 80V, CTR 200-400%, SOP-4")
    (property "ki_keywords" "DC Phototransistor Optocoupler")
    (attr smd)
    (fp_text reference "U2" (at 0 -2.25) (layer "F.SilkS") hide)
    (fp_text value "FODM217C" (at 0 2.25) (layer "F.Fab") hide)
    (pad "1" smd roundrect (at -3.1875 -0.635) (size 1.625 0.6) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 5 "Net-(R3-Pad2)") (pintype "passive"))
    (pad "2" smd roundrect (at -3.1875 0.635) (size 1.625 0.6) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 6 "Net-(U1-Q)") (pintype "passive"))
    (pad "3" smd roundrect (at 3.1875 0.635) (size 1.625 0.6) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 9 "COMMON") (pintype "passive"))
    (pad "4" smd roundrect (at 3.1875 -0.635) (size 1.625 0.6) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 8 "BUTTON") (pintype "passive"))
    (model "${KICAD6_3DMODEL_DIR}/Package_SO.3dshapes/SOP-4_4.4x2.6mm_P1.27mm.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )
  (footprint "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" (layer "F.Cu")
    (at 109 100)
    (descr "Through hole straight pin header, 1x01, 2.54mm pitch, single row")
    (tags "Through hole pin header THT 1x01 2.54mm single row")
    (property "Sheetfile" "PFChuni.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Generic connector, single row, 01x01, script generated")
    (property "ki_keywords" "connector")
    (attr through_hole)
    (fp_text reference "J4" (at 0 -2.33) (layer "F.SilkS") hide)
    (fp_text value "Conn_01x01_Socket" (at 0 2.33) (layer "F.Fab") hide)
    (fp_text user "${REFERENCE}" (at 0 0 90) (layer "F.Fab"))
    (pad "1" thru_hole rect (at 0 0) (size 1.7 1.7) (drill 1) (layers "*.Cu" "*.Mask")
      (net 8 "BUTTON") (pinfunction "Pin_1") (pintype "passive"))
    (model "${KICAD6_3DMODEL_DIR}/Connector_PinHeader_2.54mm.3dshapes/PinHeader_1x01_P2.54mm_Vertical.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )
  (footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (layer "F.Cu")
    (at 108.826 106.096 180)
    (descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
    (tags "resistor handsolder")
    (property "Sheetfile" "PFChuni.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Resistor, US symbol")
    (property "ki_keywords" "R res resistor")
    (attr smd)
    (fp_text reference "R1" (at -2.54 0) (layer "F.SilkS") hide)
    (fp_text value "56k" (at 0 -1.651) (layer "F.Fab") hide)
    (pad "1" smd roundrect (at -0.9125 0 180) (size 0.975 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 7 "PWR") (pintype "passive"))
    (pad "2" smd roundrect (at 0.9125 0 180) (size 0.975 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 3 "Net-(U1-DIS)") (pintype "passive"))
    (model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )
  (footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (layer "F.Cu")
    (at 108.826 111.176 180)
    (descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
    (tags "resistor handsolder")
    (property "Sheetfile" "PFChuni.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Resistor, US symbol")
    (property "ki_keywords" "R res resistor")
    (attr smd)
    (fp_text reference "R2" (at 2.54 0) (layer "F.SilkS") hide)
    (fp_text value "5.6k" (at 0 -1.651) (layer "F.Fab") hide)
    (pad "1" smd roundrect (at -0.9125 0 180) (size 0.975 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 3 "Net-(U1-DIS)") (pintype "passive"))
    (pad "2" smd roundrect (at 0.9125 0 180) (size 0.975 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 1 "Net-(U1-THR)") (pintype "passive"))
    (model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )
  (footprint "Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder" (layer "F.Cu")
    (at 103.746 111.176 180)
    (descr "Capacitor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 76, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
    (tags "capacitor handsolder")
    (property "Sheetfile" "PFChuni.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Polarized capacitor")
    (property "ki_keywords" "cap capacitor")
    (attr smd)
    (fp_text reference "C1" (at 2.54 0) (layer "F.SilkS") hide)
    (fp_text value "10uF" (at 0 1.397) (layer "F.Fab") hide)
    (pad "1" smd roundrect (at -0.8625 0 180) (size 1.075 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 1 "Net-(U1-THR)") (pintype "passive"))
    (pad "2" smd roundrect (at 0.8625 0 180) (size 1.075 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 2 "GND") (pintype "passive"))
    (model "${KICAD6_3DMODEL_DIR}/Capacitor_SMD.3dshapes/C_0603_1608Metric.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )
  (footprint "Package_SO:TSSOP-8_4.4x3mm_P0.65mm" (layer "F.Cu")
    (at 106.286 108.636)
    (descr "TSSOP, 8 Pin (JEDEC MO-153 Var AA https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator ipc_gullwing_generator.py")
    (tags "TSSOP SO")
    (property "Sheetfile" "PFChuni.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Precision Timers, 555 compatible, SOIC-8")
    (property "ki_keywords" "single timer 555")
    (attr smd)
    (fp_text reference "U1" (at 0 -2.45) (layer "F.SilkS") hide)
    (fp_text value "NE555PWRG4" (at 0 2.45) (layer "F.Fab") hide)
    (pad "1" smd roundrect (at -2.8625 -0.975) (size 1.475 0.4) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 2 "GND") (pinfunction "GND") (pintype "power_in"))
    (pad "2" smd roundrect (at -2.8625 -0.325) (size 1.475 0.4) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 1 "Net-(U1-THR)") (pinfunction "TR") (pintype "input"))
    (pad "3" smd roundrect (at -2.8625 0.325) (size 1.475 0.4) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 6 "Net-(U1-Q)") (pinfunction "Q") (pintype "output"))
    (pad "4" smd roundrect (at -2.8625 0.975) (size 1.475 0.4) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 7 "PWR") (pinfunction "R") (pintype "input"))
    (pad "5" smd roundrect (at 2.8625 0.975) (size 1.475 0.4) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 4 "unconnected-(U1-CV-Pad5)") (pinfunction "CV") (pintype "input"))
    (pad "6" smd roundrect (at 2.8625 0.325) (size 1.475 0.4) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 1 "Net-(U1-THR)") (pinfunction "THR") (pintype "input"))
    (pad "7" smd roundrect (at 2.8625 -0.325) (size 1.475 0.4) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 3 "Net-(U1-DIS)") (pinfunction "DIS") (pintype "input"))
    (pad "8" smd roundrect (at 2.8625 -0.975) (size 1.475 0.4) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 7 "PWR") (pinfunction "VCC") (pintype "power_in"))
    (model "${KICAD6_3DMODEL_DIR}/Package_SO.3dshapes/TSSOP-8_4.4x3mm_P0.65mm.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )
  (footprint "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" (layer "F.Cu")
    (at 104.5 100)
    (descr "Through hole straight pin header, 1x01, 2.54mm pitch, single row")
    (tags "Through hole pin header THT 1x01 2.54mm single row")
    (property "Sheetfile" "PFChuni.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Generic connector, single row, 01x01, script generated")
    (property "ki_keywords" "connector")
    (attr through_hole)
    (fp_text reference "J3" (at 0 -2.33) (layer "F.SilkS") hide)
    (fp_text value "Conn_01x01_Socket" (at 0 2.33) (layer "F.Fab") hide)
    (fp_text user "${REFERENCE}" (at 0 0 90) (layer "F.Fab"))
    (pad "1" thru_hole rect (at 0 0) (size 1.7 1.7) (drill 1) (layers "*.Cu" "*.Mask")
      (net 2 "GND") (pinfunction "Pin_1") (pintype "passive"))
    (model "${KICAD6_3DMODEL_DIR}/Connector_PinHeader_2.54mm.3dshapes/PinHeader_1x01_P2.54mm_Vertical.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )
  (footprint "Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical" (layer "F.Cu")
    (at 100 105.75)
    (descr "Through hole straight pin header, 1x01, 2.54mm pitch, single row")
    (tags "Through hole pin header THT 1x01 2.54mm single row")
    (property "Sheetfile" "PFChuni.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Generic connector, single row, 01x01, script generated")
    (property "ki_keywords" "connector")
    (attr through_hole)
    (fp_text reference "J5" (at 0 -2.33) (layer "F.SilkS") hide)
    (fp_text value "Conn_01x01_Socket" (at 0 2.33) (layer "F.Fab") hide)
    (pad "1" thru_hole rect (at 0 0) (size 1.7 1.7) (drill 1) (layers "*.Cu" "*.Mask")
      (net 9 "COMMON") (pinfunction "Pin_1") (pintype "passive"))
    (model "${KICAD6_3DMODEL_DIR}/Connector_PinHeader_2.54mm.3dshapes/PinHeader_1x01_P2.54mm_Vertical.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )
  (footprint "Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder" (layer "F.Cu")
    (at 103.746 106.096)
    (descr "Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size source: IPC-SM-782 page 72, https://www.pcb-3d.com/wordpress/wp-content/uploads/ipc-sm-782a_amendment_1_and_2.pdf), generated with kicad-footprint-generator")
    (tags "resistor handsolder")
    (property "Sheetfile" "PFChuni.kicad_sch")
    (property "Sheetname" "")
    (property "ki_description" "Resistor, US symbol")
    (property "ki_keywords" "R res resistor")
    (attr smd)
    (fp_text reference "R3" (at 0 -1.43) (layer "F.SilkS") hide)
    (fp_text value "1k" (at 0 1.43) (layer "F.Fab") hide)
    (pad "1" smd roundrect (at -0.9125 0) (size 0.975 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 7 "PWR") (pintype "passive"))
    (pad "2" smd roundrect (at 0.9125 0) (size 0.975 0.95) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.25)
      (net 5 "Net-(R3-Pad2)") (pintype "passive"))
    (model "${KICAD6_3DMODEL_DIR}/Resistor_SMD.3dshapes/R_0603_1608Metric.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )
  (gr_line (start 109.842 112.446) (end 102.73 112.446)
    (layer "Edge.Cuts"))
  (gr_arc (start 109.842 98.222) (mid 111.278841 98.817159) (end 111.874 100.254)
    (layer "Edge.Cuts"))
  (gr_arc (start 102.73 112.446) (mid 99.497108 111.106892) (end 98.158 107.874)
    (layer "Edge.Cuts"))
  (gr_arc (start 98.158 99.238) (mid 98.45558 98.51958) (end 99.174 98.222)
    (layer "Edge.Cuts"))
  (gr_arc (start 111.874 110.414) (mid 111.278841 111.850841) (end 109.842 112.446)
    (layer "Edge.Cuts"))
  (gr_line (start 98.158 107.874) (end 98.158 99.238)
    (layer "Edge.Cuts"))
  (gr_line (start 99.174 98.222) (end 109.842 98.222)
    (layer "Edge.Cuts"))
  (gr_line (start 111.874 100.254) (end 111.874 110.414)
    (layer "Edge.Cuts"))
  (zone (net 2) (net_name "GND") (layer "F.Cu") (hatch edge 0.5)
    (connect_pads (clearance 0.25))
    (min_thickness 0.25) (filled_areas_thickness no)
    (fill yes (thermal_gap 0.5) (thermal_bridge_width 0.5))
    (polygon
      (pts
        (xy 98.158 98.222)
        (xy 111.874 98.222)
        (xy 111.874 112.446)
        (xy 98.158 112.446)
      )
    )
  )
  (zone (net 7) (net_name "PWR") (layer "B.Cu") (hatch edge 0.5)
    (priority 1)
    (connect_pads (clearance 0.25))
    (min_thickness 0.25) (filled_areas_thickness no)
    (fill yes (thermal_gap 0.5) (thermal_bridge_width 0.5))
    (polygon
      (pts
        (xy 98.158 98.222)
        (xy 111.874 98.222)
        (xy 111.874 112.446)
        (xy 98.158 112.446)
      )
    )
  )
)
