(kicad_pcb
  (version 20231120)
  (generator "pcbnew")
  (generator_version "7.0.11")
  (general
    (thickness 1.6)
    (legacy_teardrops no)
  )
  (paper "A4")
  (layers
    (0 "F.Cu" signal)
    (31 "B.Cu" signal)
    (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")
    (44 "Edge.Cuts" user)
    (46 "B.CrtYd" user "B.Courtyard")
    (47 "F.CrtYd" user "F.Courtyard")
    (48 "B.Fab" user "B.Fab")
    (49 "F.Fab" user "F.Fab")
  )
  (setup
    (pad_to_mask_clearance 0)
    (pcbplotparams
      (layerselection 0x00010fc_ffffffff)
      (plot_on_all_layers_selection 0x0000000_00000000)
      (disableapertmacros no)
      (usegerberextensions no)
      (usegerberattributes yes)
      (usegerberadvancedattributes yes)
      (creategerberjobfile yes)
      (dashed_line_dash_ratio 12.000000)
      (dashed_line_gap_ratio 3.000000)
      (svgprecision 4)
      (plotframeref no)
      (viasonmask no)
      (mode 1)
      (useauxorigin no)
      (hpglpennumber 1)
      (hpglpenspeed 20)
      (hpglpendiameter 15.000000)
      (pdf_front_fp_property_popups yes)
      (pdf_back_fp_property_popups yes)
      (dxfpolygonmode yes)
      (dxfimperialunits yes)
      (dxfusepcbnewfont yes)
      (psnegative no)
      (psa4output no)
      (plotreference yes)
      (plotvalue yes)
      (plotfptext yes)
      (plotinvisibletext no)
      (sketchpadsonfab no)
      (subtractmaskfromsilk no)
      (outputformat 1)
      (mirror no)
      (drillshape 1)
      (scaleselection 1)
      (outputdirectory "gerbers/")
    )
  )

  (net 0 "")
  (net 1 "GND")
  (net 2 "+3V3")
  (net 3 "I2S_DATA")
  (net 4 "I2S_CLK")
  (net 5 "I2S_WS")
  (net 6 "L_R")

  (footprint "Microphone:SPH0645LM4H" (layer "F.Cu")
    (at 9 11)
    (descr "Knowles SPH0645LM4H I2S MEMS Microphone LGA-6 3.76x2.95mm")
    (tags "MEMS I2S microphone")
    (property "Reference" "U1" (at 0 -2.5) (layer "F.SilkS")
      (effects (font (size 1 1) (thickness 0.15))))
    (property "Value" "SPH0645LM4H" (at 0 2.5) (layer "F.Fab")
      (effects (font (size 1 1) (thickness 0.15))))
    (attr smd)
    (fp_rect (start -1.88 -1.475) (end 1.88 1.475) (layer "F.CrtYd") (width 0.05))
    (fp_rect (start -1.88 -1.475) (end 1.88 1.475) (layer "F.Fab") (width 0.1))
    (fp_circle (center 0 0) (end 0.35 0) (layer "F.Fab") (width 0.1))
    (fp_line (start -1.88 -1.475) (end -1.08 -1.475) (layer "F.SilkS") (width 0.2))
    (pad "1" smd rect (at -1.27 -0.635) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 1 "GND"))
    (pad "2" smd rect (at 0 -0.635) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 4 "I2S_CLK"))
    (pad "3" smd rect (at 1.27 -0.635) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 2 "+3V3"))
    (pad "4" smd rect (at -1.27 0.635) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 6 "L_R"))
    (pad "5" smd rect (at 0 0.635) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 3 "I2S_DATA"))
    (pad "6" smd rect (at 1.27 0.635) (size 0.7 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 5 "I2S_WS"))
  )

  (footprint "Capacitor_SMD:C_0402_1005Metric" (layer "F.Cu")
    (at 9 8)
    (descr "100nF decoupling cap 0402")
    (tags "capacitor 0402")
    (property "Reference" "C1" (at 0 -1.2) (layer "F.SilkS")
      (effects (font (size 0.8 0.8) (thickness 0.12))))
    (property "Value" "100nF" (at 0 1.2) (layer "F.Fab")
      (effects (font (size 0.8 0.8) (thickness 0.12))))
    (attr smd)
    (fp_rect (start -0.98 -0.73) (end 0.98 0.73) (layer "F.CrtYd") (width 0.05))
    (fp_rect (start -0.5 -0.5) (end 0.5 0.5) (layer "F.Fab") (width 0.1))
    (fp_line (start -0.5 0) (end 0.5 0) (layer "F.Fab") (width 0.1))
    (pad "1" smd rect (at -0.48 0) (size 0.56 0.62) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 2 "+3V3"))
    (pad "2" smd rect (at 0.48 0) (size 0.56 0.62) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 1 "GND"))
  )

  (footprint "Capacitor_SMD:C_0402_1005Metric" (layer "F.Cu")
    (at 9 14)
    (descr "10uF bulk decoupling cap 0402")
    (tags "capacitor 0402")
    (property "Reference" "C2" (at 0 -1.2) (layer "F.SilkS")
      (effects (font (size 0.8 0.8) (thickness 0.12))))
    (property "Value" "10uF" (at 0 1.2) (layer "F.Fab")
      (effects (font (size 0.8 0.8) (thickness 0.12))))
    (attr smd)
    (fp_rect (start -0.98 -0.73) (end 0.98 0.73) (layer "F.CrtYd") (width 0.05))
    (fp_rect (start -0.5 -0.5) (end 0.5 0.5) (layer "F.Fab") (width 0.1))
    (fp_line (start -0.5 0) (end 0.5 0) (layer "F.Fab") (width 0.1))
    (pad "1" smd rect (at -0.48 0) (size 0.56 0.62) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 2 "+3V3"))
    (pad "2" smd rect (at 0.48 0) (size 0.56 0.62) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 1 "GND"))
  )

  (footprint "Resistor_SMD:R_0402_1005Metric" (layer "F.Cu")
    (at 7 14)
    (descr "0R L/R select tie to GND = left channel")
    (tags "resistor 0402")
    (property "Reference" "R1" (at 0 -1.2) (layer "F.SilkS")
      (effects (font (size 0.8 0.8) (thickness 0.12))))
    (property "Value" "0R" (at 0 1.2) (layer "F.Fab")
      (effects (font (size 0.8 0.8) (thickness 0.12))))
    (attr smd)
    (fp_rect (start -0.98 -0.73) (end 0.98 0.73) (layer "F.CrtYd") (width 0.05))
    (fp_rect (start -0.5 -0.5) (end 0.5 0.5) (layer "F.Fab") (width 0.1))
    (pad "1" smd rect (at -0.48 0) (size 0.56 0.62) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 6 "L_R"))
    (pad "2" smd rect (at 0.48 0) (size 0.56 0.62) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 1 "GND"))
  )

  (footprint "Connector_PinHeader_2.54mm:PinHeader_2x06_P2.54mm_Vertical" (layer "F.Cu")
    (at 21 11 90)
    (descr "PMOD 2x6 2.54mm vertical header — Digilent PMOD standard")
    (tags "PMOD connector header")
    (property "Reference" "J1" (at 0 -5) (layer "F.SilkS")
      (effects (font (size 1 1) (thickness 0.15))))
    (property "Value" "PMOD_2x6" (at 0 5) (layer "F.Fab")
      (effects (font (size 1 1) (thickness 0.15))))
    (attr through_hole)
    (fp_rect (start -1.6 -8.89) (end 3.65 8.89) (layer "F.CrtYd") (width 0.05))
    (fp_rect (start -1.6 -8.89) (end 3.65 8.89) (layer "F.Fab") (width 0.1))
    (fp_line (start -1.6 -8.89) (end -1.6 8.89) (layer "F.SilkS") (width 0.12))
    (fp_line (start -1.6 8.89) (end 3.65 8.89) (layer "F.SilkS") (width 0.12))
    (fp_line (start 3.65 8.89) (end 3.65 -8.89) (layer "F.SilkS") (width 0.12))
    (fp_line (start 3.65 -8.89) (end -1.6 -8.89) (layer "F.SilkS") (width 0.12))
    (fp_line (start -1.6 -8.89) (end -1.6 -7.5) (layer "F.SilkS") (width 0.3))
    (pad "1" thru_hole rect (at 0 -6.35) (size 1.7 1.7) (drill 1.0) (layers "*.Cu" "*.Mask")
      (net 3 "I2S_DATA"))
    (pad "2" thru_hole oval (at 2.54 -6.35) (size 1.7 1.7) (drill 1.0) (layers "*.Cu" "*.Mask"))
    (pad "3" thru_hole oval (at 0 -3.81) (size 1.7 1.7) (drill 1.0) (layers "*.Cu" "*.Mask")
      (net 4 "I2S_CLK"))
    (pad "4" thru_hole oval (at 2.54 -3.81) (size 1.7 1.7) (drill 1.0) (layers "*.Cu" "*.Mask"))
    (pad "5" thru_hole oval (at 0 -1.27) (size 1.7 1.7) (drill 1.0) (layers "*.Cu" "*.Mask")
      (net 5 "I2S_WS"))
    (pad "6" thru_hole oval (at 2.54 -1.27) (size 1.7 1.7) (drill 1.0) (layers "*.Cu" "*.Mask"))
    (pad "7" thru_hole oval (at 0 1.27) (size 1.7 1.7) (drill 1.0) (layers "*.Cu" "*.Mask"))
    (pad "8" thru_hole oval (at 2.54 1.27) (size 1.7 1.7) (drill 1.0) (layers "*.Cu" "*.Mask"))
    (pad "9" thru_hole oval (at 0 3.81) (size 1.7 1.7) (drill 1.0) (layers "*.Cu" "*.Mask")
      (net 1 "GND"))
    (pad "10" thru_hole oval (at 2.54 3.81) (size 1.7 1.7) (drill 1.0) (layers "*.Cu" "*.Mask")
      (net 1 "GND"))
    (pad "11" thru_hole oval (at 0 6.35) (size 1.7 1.7) (drill 1.0) (layers "*.Cu" "*.Mask")
      (net 2 "+3V3"))
    (pad "12" thru_hole oval (at 2.54 6.35) (size 1.7 1.7) (drill 1.0) (layers "*.Cu" "*.Mask")
      (net 2 "+3V3"))
  )

  (gr_line (start 0 0) (end 30 0) (layer "Edge.Cuts") (width 0.05))
  (gr_line (start 30 0) (end 30 22) (layer "Edge.Cuts") (width 0.05))
  (gr_line (start 30 22) (end 0 22) (layer "Edge.Cuts") (width 0.05))
  (gr_line (start 0 22) (end 0 0) (layer "Edge.Cuts") (width 0.05))

  (gr_text "IRIS MEMS Mic PMOD v1.0" (at 1 0.8) (layer "Cmts.User")
    (effects (font (size 1.2 1.2) (thickness 0.15))))
  (gr_text "SPH0645LM4H I2S -> Basys 3 PMOD" (at 1 2.2) (layer "Cmts.User")
    (effects (font (size 0.8 0.8) (thickness 0.1))))
  (gr_text "2L 1.6mm FR4 ENIG" (at 1 3.2) (layer "Cmts.User")
    (effects (font (size 0.8 0.8) (thickness 0.1))))

  (segment (start 7.73 10.365) (end 7.73 5.5) (width 0.5) (layer "F.Cu") (net 1))
  (segment (start 9.48 8) (end 9.48 5.5) (width 0.5) (layer "F.Cu") (net 1))
  (segment (start 7.48 14) (end 7.48 17.0) (width 0.5) (layer "F.Cu") (net 1))
  (segment (start 9.48 14) (end 9.48 17.0) (width 0.5) (layer "F.Cu") (net 1))
  (via (at 7.73 5.5) (size 0.8) (drill 0.4) (layers "F.Cu" "B.Cu") (net 1))
  (via (at 9.48 5.5) (size 0.8) (drill 0.4) (layers "F.Cu" "B.Cu") (net 1))
  (via (at 7.48 17.0) (size 0.8) (drill 0.4) (layers "F.Cu" "B.Cu") (net 1))
  (via (at 9.48 17.0) (size 0.8) (drill 0.4) (layers "F.Cu" "B.Cu") (net 1))
  (segment (start 7.73 5.5) (end 9.48 5.5) (width 0.5) (layer "B.Cu") (net 1))
  (segment (start 7.73 5.5) (end 7.73 17.0) (width 0.5) (layer "B.Cu") (net 1))
  (segment (start 7.48 17.0) (end 24.81 17.0) (width 0.5) (layer "B.Cu") (net 1))
  (segment (start 24.81 17.0) (end 24.81 11) (width 0.5) (layer "B.Cu") (net 1))
  (segment (start 24.81 11) (end 24.81 8.46) (width 0.5) (layer "B.Cu") (net 1))

  (segment (start 8.52 8) (end 8.52 7.0) (width 0.5) (layer "F.Cu") (net 2))
  (segment (start 10.27 10.365) (end 10.27 7.0) (width 0.5) (layer "F.Cu") (net 2))
  (segment (start 8.52 14) (end 8.52 16.0) (width 0.5) (layer "F.Cu") (net 2))
  (via (at 8.52 7.0) (size 0.8) (drill 0.4) (layers "F.Cu" "B.Cu") (net 2))
  (via (at 10.27 7.0) (size 0.8) (drill 0.4) (layers "F.Cu" "B.Cu") (net 2))
  (via (at 8.52 16.0) (size 0.8) (drill 0.4) (layers "F.Cu" "B.Cu") (net 2))
  (segment (start 8.52 7.0) (end 27.35 7.0) (width 0.5) (layer "B.Cu") (net 2))
  (segment (start 27.35 7.0) (end 27.35 11) (width 0.5) (layer "B.Cu") (net 2))
  (segment (start 8.52 7.0) (end 8.52 16.0) (width 0.5) (layer "B.Cu") (net 2))

  (segment (start 9 11.635) (end 9 12.5) (width 0.25) (layer "F.Cu") (net 3))
  (via (at 9 12.5) (size 0.8) (drill 0.4) (layers "F.Cu" "B.Cu") (net 3))
  (segment (start 9 12.5) (end 14.65 12.5) (width 0.25) (layer "B.Cu") (net 3))
  (segment (start 14.65 12.5) (end 14.65 11) (width 0.25) (layer "B.Cu") (net 3))

  (segment (start 9 10.365) (end 9 9.8) (width 0.25) (layer "F.Cu") (net 4))
  (via (at 9 9.8) (size 0.8) (drill 0.4) (layers "F.Cu" "B.Cu") (net 4))
  (segment (start 9 9.8) (end 17.19 9.8) (width 0.25) (layer "B.Cu") (net 4))
  (segment (start 17.19 9.8) (end 17.19 11) (width 0.25) (layer "B.Cu") (net 4))

  (segment (start 10.27 11.635) (end 11.5 11.635) (width 0.25) (layer "F.Cu") (net 5))
  (segment (start 11.5 11.635) (end 11.5 13.5) (width 0.25) (layer "F.Cu") (net 5))
  (via (at 11.5 13.5) (size 0.8) (drill 0.4) (layers "F.Cu" "B.Cu") (net 5))
  (segment (start 11.5 13.5) (end 19.73 13.5) (width 0.25) (layer "B.Cu") (net 5))
  (segment (start 19.73 13.5) (end 19.73 11) (width 0.25) (layer "B.Cu") (net 5))

  (segment (start 7.73 11.635) (end 6.52 11.635) (width 0.25) (layer "F.Cu") (net 6))
  (segment (start 6.52 11.635) (end 6.52 14) (width 0.25) (layer "F.Cu") (net 6))

)