(kicad_pcb (version 20211014) (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)
    (pcbplotparams
      (layerselection 0x00010fc_ffffffff)
      (disableapertmacros false)
      (usegerberextensions false)
      (usegerberattributes true)
      (usegerberadvancedattributes true)
      (creategerberjobfile true)
      (svguseinch false)
      (svgprecision 6)
      (excludeedgelayer true)
      (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 "/Rx")
  (net 2 "/Tx")
  (net 3 "GND")
  (net 4 "VCC")

  (footprint "fab:R_1206" (layer "F.Cu")
    (tedit 60020482) (tstamp 14b9ffaf-8df9-4b58-a6f6-76b48441e6a9)
    (at 139.7 83.82 -90)
    (descr "Resistor SMD 1206, hand soldering")
    (tags "resistor 1206")
    (property "Sheetfile" "step_response.kicad_sch")
    (property "Sheetname" "")
    (path "/39b433d7-fc60-48aa-8475-35ff57f9abde")
    (attr smd)
    (fp_text reference "R2" (at 0 -1.85 90) (layer "F.SilkS")
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 826a730c-33f2-4ca1-89d7-b7faeb4c5878)
    )
    (fp_text value "1M" (at 0 1.9 90) (layer "F.Fab")
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 7daa5985-a12d-4acf-8a47-b87eb8085fe6)
    )
    (fp_text user "${REFERENCE}" (at 0 0 90) (layer "F.Fab")
      (effects (font (size 0.7 0.7) (thickness 0.105)))
      (tstamp c7fcab2a-9ea0-490a-be3a-fd7118febbfb)
    )
    (fp_line (start 1 1.07) (end -1 1.07) (layer "F.SilkS") (width 0.12) (tstamp a674b1fd-17b0-4b53-94d6-a71f3deb2353))
    (fp_line (start -1 -1.07) (end 1 -1.07) (layer "F.SilkS") (width 0.12) (tstamp c564451e-5503-4bb8-ba3d-197a29ea63c6))
    (fp_line (start 3.25 1.1) (end 3.25 -1.11) (layer "F.CrtYd") (width 0.05) (tstamp 51a33ff5-e59d-449b-875a-042da405201c))
    (fp_line (start 3.25 1.1) (end -3.25 1.1) (layer "F.CrtYd") (width 0.05) (tstamp 6f142d01-9478-4cab-933a-944f5ce86a1d))
    (fp_line (start -3.25 -1.11) (end -3.25 1.1) (layer "F.CrtYd") (width 0.05) (tstamp a72f5a12-53b8-4376-867f-f3f62566bbde))
    (fp_line (start -3.25 -1.11) (end 3.25 -1.11) (layer "F.CrtYd") (width 0.05) (tstamp b838beef-9ca8-43c6-af89-27225c2a58e9))
    (fp_line (start -1.6 -0.8) (end 1.6 -0.8) (layer "F.Fab") (width 0.1) (tstamp 8058b8a1-f779-4570-abbd-f542d0047965))
    (fp_line (start 1.6 0.8) (end -1.6 0.8) (layer "F.Fab") (width 0.1) (tstamp 8b721c8e-d975-43dc-b5fe-1f51b5e71672))
    (fp_line (start 1.6 -0.8) (end 1.6 0.8) (layer "F.Fab") (width 0.1) (tstamp bb5f039b-1bbc-454c-8f35-2e895d01ec15))
    (fp_line (start -1.6 0.8) (end -1.6 -0.8) (layer "F.Fab") (width 0.1) (tstamp ded9cc79-4616-4f98-b669-ce874e13f2f1))
    (pad "1" smd rect locked (at -2 0 270) (size 2 1.7) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 1 "/Rx") (pintype "passive") (tstamp 070c1808-1c18-4bb5-9882-11d2cfbec641))
    (pad "2" smd rect locked (at 2 0 270) (size 2 1.7) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 3 "GND") (pintype "passive") (tstamp 043f1c77-5888-4115-a2c2-88ace88fc722))
    (model "${FAB}/fab.3dshapes/R_1206.step"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )

  (footprint "fab:PinHeader_2x02_P2.54mm_Vertical_SMD" (layer "F.Cu")
    (tedit 621129C0) (tstamp 98cb966d-8cd9-46ca-8ba0-0b876f18fb2f)
    (at 149.86 81.28 180)
    (descr "surface-mounted straight pin header, 2x02, 2.54mm pitch, double rows")
    (tags "Surface mounted pin header SMD 2x02 2.54mm double row")
    (property "Sheetfile" "step_response.kicad_sch")
    (property "Sheetname" "")
    (path "/1736f205-daac-4320-8149-78bd3638efbd")
    (attr smd)
    (fp_text reference "J2" (at 0 -3.6) (layer "F.SilkS")
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 43afd6b1-b2f6-43a5-92c9-24192cedd196)
    )
    (fp_text value "2x2male" (at 0 3.6) (layer "F.Fab")
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 19dbbc34-feae-411f-8697-9d657f5f7401)
    )
    (fp_text user "${REFERENCE}" (at 0 0 90) (layer "F.Fab")
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 851e81d8-d491-4188-ab18-54c2199500a3)
    )
    (fp_circle (center -3.4 -2.8) (end -3.1 -2.8) (layer "F.Cu") (width 0.2) (fill solid) (tstamp 8eb345ae-ebd2-4aae-a076-c0648b7a1070))
    (fp_line (start -2.6 2.6) (end 2.6 2.6) (layer "F.SilkS") (width 0.12) (tstamp 312260a4-5f66-401c-aaed-816f5e2028cb))
    (fp_line (start -4.04 -2.03) (end -2.6 -2.03) (layer "F.SilkS") (width 0.12) (tstamp 46112924-3777-485e-944a-6a905f6f5de6))
    (fp_line (start -2.6 2.03) (end -2.6 2.6) (layer "F.SilkS") (width 0.12) (tstamp 4d93b6e4-f4cf-41ef-9448-8d4af93a2a9e))
    (fp_line (start 2.6 -2.6) (end 2.6 -2.03) (layer "F.SilkS") (width 0.12) (tstamp 6b9f20d7-9c54-487d-bbbd-5c996166bbed))
    (fp_line (start -2.6 -0.51) (end -2.6 0.51) (layer "F.SilkS") (width 0.12) (tstamp 7f3586d9-f300-496c-bb6a-8162bb78ed0c))
    (fp_line (start 2.6 -0.51) (end 2.6 0.51) (layer "F.SilkS") (width 0.12) (tstamp f410db86-329f-40a0-b861-e143391728a6))
    (fp_line (start -2.6 -2.6) (end -2.6 -2.03) (layer "F.SilkS") (width 0.12) (tstamp f83154e2-115f-492e-adb3-50f4094c791b))
    (fp_line (start 2.6 2.03) (end 2.6 2.6) (layer "F.SilkS") (width 0.12) (tstamp fdb6124f-6516-4dc6-afad-c0995ec37327))
    (fp_line (start -2.6 -2.6) (end 2.6 -2.6) (layer "F.SilkS") (width 0.12) (tstamp ff404d94-c427-4b5c-9a67-c7de5d2fe8a6))
    (fp_line (start 4.2 -2.8) (end -4.2 -2.8) (layer "F.CrtYd") (width 0.05) (tstamp 0b8b560b-217b-4ab5-b1ac-25406543e134))
    (fp_line (start -4.2 2.7) (end 4.2 2.7) (layer "F.CrtYd") (width 0.05) (tstamp 1f8fbf0b-b135-4bca-a2c3-beacad53b0f0))
    (fp_line (start 4.2 2.7) (end 4.2 -2.8) (layer "F.CrtYd") (width 0.05) (tstamp 26dad9dc-dc63-478c-8b7f-0509ca57131c))
    (fp_line (start -4.2 -2.8) (end -4.2 2.7) (layer "F.CrtYd") (width 0.05) (tstamp 6b587cb9-f1f1-42b4-afd2-c73a61ece755))
    (fp_line (start -2.54 0.95) (end -3.6 0.95) (layer "F.Fab") (width 0.1) (tstamp 039539dc-9afa-48a1-bd79-180ff497c6cb))
    (fp_line (start -3.6 0.95) (end -3.6 1.59) (layer "F.Fab") (width 0.1) (tstamp 0591becc-e77c-4b70-8c5b-31d39a08a24f))
    (fp_line (start -3.6 -1.59) (end -3.6 -0.95) (layer "F.Fab") (width 0.1) (tstamp 13e3493b-c4ac-4ca6-b39c-a8a8123f70cd))
    (fp_line (start 2.54 0.95) (end 3.6 0.95) (layer "F.Fab") (width 0.1) (tstamp 1a2be1df-692c-4657-a356-3876404bc895))
    (fp_line (start -2.54 2.54) (end -2.54 -1.59) (layer "F.Fab") (width 0.1) (tstamp 29c67676-bd76-4d45-bc9f-818d9f3e5eb7))
    (fp_line (start 3.6 -0.95) (end 2.54 -0.95) (layer "F.Fab") (width 0.1) (tstamp 2b4e0223-6caa-419d-ac5e-11b8239f55ea))
    (fp_line (start 2.54 2.54) (end -2.54 2.54) (layer "F.Fab") (width 0.1) (tstamp 2dff4ab2-4326-4c34-a507-1c9795fb8da4))
    (fp_line (start -3.6 -0.95) (end -2.54 -0.95) (layer "F.Fab") (width 0.1) (tstamp 497689da-b174-4fa4-a974-1ff7d7728cfe))
    (fp_line (start -2.54 -1.59) (end -1.59 -2.54) (layer "F.Fab") (width 0.1) (tstamp 8557e43a-f542-4daa-beba-b40a709e3c47))
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    (fp_line (start 2.54 -2.54) (end 2.54 2.54) (layer "F.Fab") (width 0.1) (tstamp 9c5e4549-26f4-4914-a39e-bdc869296368))
    (fp_line (start -2.54 -1.59) (end -3.6 -1.59) (layer "F.Fab") (width 0.1) (tstamp ae1ce493-b4a4-4db7-b4e5-f1af04d68f27))
    (fp_line (start 3.6 0.95) (end 3.6 1.59) (layer "F.Fab") (width 0.1) (tstamp c4ecb5ca-0ffa-4f7d-ab98-ccf74c427347))
    (fp_line (start -3.6 1.59) (end -2.54 1.59) (layer "F.Fab") (width 0.1) (tstamp d39554fa-e09b-403f-be3b-055b6f2061d2))
    (fp_line (start 2.54 -1.59) (end 3.6 -1.59) (layer "F.Fab") (width 0.1) (tstamp dacfdf43-b6df-4f97-a6e1-60488f5aa466))
    (fp_line (start 3.6 -1.59) (end 3.6 -0.95) (layer "F.Fab") (width 0.1) (tstamp dc44f7d4-4482-42eb-93f9-56ca48867483))
    (pad "1" smd rect (at -2.525 -1.27 180) (size 3.15 1) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 2 "/Tx") (pinfunction "Pin_1") (pintype "passive") (tstamp 2ad85e61-c9e1-4104-bf64-2e0d28b0ff7c))
    (pad "2" smd rect (at 2.525 -1.27 180) (size 3.15 1) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 3 "GND") (pinfunction "Pin_2") (pintype "passive") (tstamp e6dd89fe-fbae-455e-abb1-d49f97c6e761))
    (pad "3" smd rect (at -2.525 1.27 180) (size 3.15 1) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 3 "GND") (pinfunction "Pin_3") (pintype "passive") (tstamp 94e2db58-e347-4cd6-b416-cbcb633315e5))
    (pad "4" smd rect (at 2.525 1.27 180) (size 3.15 1) (layers "F.Cu" "F.Paste" "F.Mask")
      (net 1 "/Rx") (pinfunction "Pin_4") (pintype "passive") (tstamp f560987f-04a8-4584-bd3c-de513364a2d6))
    (model "${KISYS3DMOD}/Connector_PinHeader_2.54mm.3dshapes/PinHeader_2x02_P2.54mm_Vertical_SMD.wrl"
      (offset (xyz 0 0 0))
      (scale (xyz 1 1 1))
      (rotate (xyz 0 0 0))
    )
  )

  (footprint "fab:PinHeader_1x04_P2.54mm_Horizontal_SMD" (layer "F.Cu")
    (tedit 6085192B) (tstamp e5375fae-8d12-42aa-b7f4-67a68780c27e)
    (at 132.08 83.82 180)
    (descr "https://s3.amazonaws.com/catalogspreads-pdf/PAGE112-113%20.100%20MALE%20HDR.pdf")
    (tags "horizontal pin header SMD 2.54mm")
    (property "Sheetfile" "step_response.kicad_sch")
    (property "Sheetname" "")
    (path "/84f4d943-7c44-428a-af02-9c17fbd1c02e")
    (attr smd)
    (fp_text reference "J1" (at -1.524 -2.54) (layer "F.SilkS")
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      (tstamp 0a92d4e8-2c99-46ae-8b9d-e9a5f254af09)
    )
    (fp_text value "1x4male" (at 0 10.795) (layer "F.Fab")
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp 26ef990d-fefc-479e-9ee4-f4f6d051fce9)
    )
    (fp_text user "${REFERENCE}" (at 2.5 3.9 90) (layer "F.Fab")
      (effects (font (size 1 1) (thickness 0.15)))
      (tstamp d3077e98-39cf-4139-b44c-143b2dacc80f)
    )
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