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jaseg 2023-07-05 17:29:05 +02:00
commit c9744004ea
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3
.gitignore vendored Normal file
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venv
__pycache__
gerber

41
balancing-footprints.pretty/bal-10x10mm.kicad_mod Normal file
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(footprint "bal-10x10mm" (version 20230620) (generator pcbnew)
(layer "F.Cu")
(property "Reference" "REF**" (at 0 -0.5 0 unlocked) (layer "F.SilkS") (tstamp 3359a3e4-31fb-47b9-b16b-0de58bdb9045)
(effects (font (size 1 1) (thickness 0.1)))
)
(property "Value" "bal-10x10mm" (at 0 1 0 unlocked) (layer "F.Fab") (tstamp 64a76c86-9dcb-403b-9cc1-498db73315bd)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Footprint" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp 447a31db-e46c-4599-80f8-8228935a2474)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Datasheet" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp a78abcd1-67b1-46a6-9d26-349df0dd048a)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Description" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp 9b04e6e6-2c0a-43b8-aace-405f3681e211)
(effects (font (size 1 1) (thickness 0.15)))
)
(attr smd)
(fp_rect (start -5 -5) (end 5 5)
(stroke (width 0.05) (type default)) (fill none) (layer "F.CrtYd") (tstamp e638c5a1-c193-4c12-b8c5-fc574824dfad))
(fp_text user "${REFERENCE}" (at 0 2.5 0 unlocked) (layer "F.Fab") (tstamp 615c98ba-759a-478e-bee0-2f8fa8dbc4fb)
(effects (font (size 1 1) (thickness 0.15)))
)
(pad "1" smd circle (at 0 0) (size 10 10) (layers "F.Cu")
(tstamp 5a84eceb-f684-46f8-b85a-c96eb1f31ff5)
)
(zone (net 0) (net_name "") (layer "F.Cu") (tstamp ed385c04-3160-4b79-9161-5d0c0fd0b46f) (hatch edge 0.5)
(connect_pads (clearance 0))
(min_thickness 0.25) (filled_areas_thickness no)
(keepout (tracks not_allowed) (vias not_allowed) (pads not_allowed) (copperpour not_allowed) (footprints not_allowed))
(fill (thermal_gap 0.5) (thermal_bridge_width 0.5))
(polygon
(pts
(xy -5 -5)
(xy 5 -5)
(xy 5 5)
(xy -5 5)
)
)
)
)

90
footprints.pretty/Bosch_BMI088_LGA.kicad_mod Normal file
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(footprint "Bosch_BMI088_LGA" (version 20230620) (generator pcbnew)
(layer "F.Cu")
(property "Reference" "REF**" (at 0 14.5 0 unlocked) (layer "F.SilkS") (tstamp f97a3efe-8e1f-4684-abec-f09b41d0273a)
(effects (font (size 1 1) (thickness 0.1)))
)
(property "Value" "Bosch_BMI088_LGA" (at 0 16 0 unlocked) (layer "F.Fab") (tstamp 507ecc84-52fd-413f-bbd7-488e6a6774d5)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Footprint" "" (at 0 15 0 unlocked) (layer "F.Fab") hide (tstamp 86a561ab-f459-4896-a3fb-deffc38169af)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Datasheet" "" (at 0 15 0 unlocked) (layer "F.Fab") hide (tstamp 47e3ecba-bfc7-4cb8-aee6-a0c58e0d8f6c)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Description" "" (at 0 15 0 unlocked) (layer "F.Fab") hide (tstamp 61b1f77d-fee5-4715-aefa-934b7eb8bf2d)
(effects (font (size 1 1) (thickness 0.15)))
)
(attr smd)
(fp_rect (start -1.5 -2.25) (end 1.5 2.25)
(stroke (width 0.1) (type default)) (fill none) (layer "F.SilkS") (tstamp d4da083c-48cd-45d8-85d2-7ba5414f92c2))
(fp_rect (start -1.75 -2.5) (end 1.75 2.5)
(stroke (width 0.05) (type default)) (fill none) (layer "Margin") (tstamp d9afc9e9-a34c-49a9-a1ee-a81aa2657292))
(fp_text user "${REFERENCE}" (at 0 17.5 0 unlocked) (layer "F.Fab") (tstamp 05e60479-6332-49f4-8e05-9851167efb3f)
(effects (font (size 1 1) (thickness 0.15)))
)
(pad "1" smd rect (at 1.2625 -1.5) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 33e4075d-571a-440f-beb1-39b5fc17748f)
)
(pad "2" smd rect (at 1.2625 -1) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 445ee1e7-5125-4727-854a-238f96f6239c)
)
(pad "3" smd rect (at 1.2625 -0.5) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 2d4aee6a-bfa1-47b5-931c-d1e9a1e75a32)
)
(pad "4" smd rect (at 1.2625 0) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 095909e0-1173-47ef-8f60-91851bef766c)
)
(pad "5" smd rect (at 1.2625 0.5) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp c889a00c-1efd-42a7-9620-07b6e1ad38ad)
)
(pad "6" smd rect (at 1.2625 1) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp fd785a6e-a6e4-479e-a743-9436638169b2)
)
(pad "7" smd rect (at 1.2625 1.5) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 98826b32-2175-45f7-a2e9-f123abbc8058)
)
(pad "8" smd rect (at 0 2.0125 90) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 649df130-2925-4aa0-9c17-b33575023cb7)
)
(pad "9" smd rect (at -1.2625 1.5) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp a3b62a16-22dc-4c87-a4b5-a7392f718405)
)
(pad "10" smd rect (at -1.2625 1) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 5a8497c5-7b36-4416-969b-523e2ad81294)
)
(pad "11" smd rect (at -1.2625 0.5) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 8976fc4d-827c-4ce9-ba98-c3392b3fded9)
)
(pad "12" smd rect (at -1.2625 0) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp b589d726-1f22-4583-b98c-ead3ecd8bf5f)
)
(pad "13" smd rect (at -1.2625 -0.5) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp ee32064b-3874-4d43-abf6-1ad170bfec82)
)
(pad "14" smd rect (at -1.2625 -1) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp dd51ecf0-f3c8-4742-8fb4-d2754cab1b14)
)
(pad "15" smd rect (at -1.2625 -1.5) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 98c84001-0cd6-4ab7-83e0-c351f3810a71)
)
(pad "16" smd rect (at 0 -2.0125 90) (size 0.675 0.25) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 1560c8a5-30bb-4783-b4a2-a69f1b22772d)
)
)

56
footprints.pretty/MTSM1346SMF1-100.kicad_mod Normal file
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(footprint "MTSM1346SMF1-100" (version 20230620) (generator pcbnew)
(layer "F.Cu")
(property "Reference" "REF**" (at 0 -3.5 0 unlocked) (layer "F.SilkS") (tstamp 94844c15-568c-4fa3-a607-69040e661d97)
(effects (font (size 1 1) (thickness 0.1)))
)
(property "Value" "MTSM1346SMF1-100" (at 0 1 0 unlocked) (layer "F.Fab") (tstamp 6f1aa1c0-3c66-4205-b8f1-1964440b2a97)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Footprint" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp ecc39ab9-7bd3-435c-9592-2ed9167c0029)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Datasheet" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp 03e564f4-0f2c-4b49-b752-e767cfcf778d)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Description" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp 1f41df07-2728-4aae-9b94-3e28ebeaefd7)
(effects (font (size 1 1) (thickness 0.15)))
)
(attr smd)
(fp_line (start -0.25 0.6) (end -0.25 1.5)
(stroke (width 0.1) (type default)) (layer "F.SilkS") (tstamp 6600c07a-dc8f-4f4f-b698-4b36f01b7898))
(fp_line (start 0 0.6) (end -0.25 0.6)
(stroke (width 0.1) (type default)) (layer "F.SilkS") (tstamp 4acbf4c6-6d04-4e48-9b42-e9363a7f99e3))
(fp_line (start 1.45 0.6) (end 0 0.6)
(stroke (width 0.1) (type default)) (layer "F.SilkS") (tstamp 9b89d808-0216-4d0e-8369-486f19e4828a))
(fp_rect (start -1.5 -1.5) (end 1.5 1.5)
(stroke (width 0.1) (type default)) (fill none) (layer "F.SilkS") (tstamp 8b2f86fb-d332-4688-a68e-d12000493540))
(fp_rect (start -1.7 -1.7) (end 1.7 1.7)
(stroke (width 0.05) (type default)) (fill none) (layer "F.CrtYd") (tstamp 9780c955-5324-4f3a-a757-bafd450ff138))
(fp_text user "${REFERENCE}" (at 0 2.5 0 unlocked) (layer "F.Fab") (tstamp 76ae142d-c1dd-4fd1-8324-8892d6724e8e)
(effects (font (size 1 1) (thickness 0.15)))
)
(pad "1" smd roundrect (at 1.25 1.15 180) (size 2.5 0.7) (layers "F.Cu" "F.Paste" "F.Mask") (roundrect_rratio 0.4285714286)
(thermal_bridge_angle 45)
(tstamp 5314e829-2a31-47d2-8c38-725917263cbc)
)
(pad "2" smd rect (at 1.575 0 180) (size 1.85 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 1c32838c-a5f9-4403-9438-b3afde00faf9)
)
(pad "3" smd rect (at 1.575 -1.15 180) (size 1.85 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp f247bdbc-b440-4a5e-a621-e4c358d98147)
)
(pad "4" smd rect (at -1.575 -1.15 180) (size 1.85 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 522d816f-4c10-4df4-86fb-7a69840d426c)
)
(pad "5" smd rect (at -1.575 0 180) (size 1.85 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp d971adf6-52b5-4d64-a89a-8e23528e6ba5)
)
(pad "6" smd rect (at -1.575 1.15 180) (size 1.85 0.7) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 68ce1124-7c10-40b9-b5ba-823548e5189c)
)
)

38
footprints.pretty/P16612-011CA.kicad_mod Normal file
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@ -0,0 +1,38 @@
(footprint "P16612-011CA" (version 20230620) (generator pcbnew)
(layer "F.Cu")
(property "Reference" "REF**" (at 0 -2.55 0 unlocked) (layer "F.SilkS") (tstamp c2276d27-16d8-4ad4-8bde-592813a4d3a8)
(effects (font (size 1 1) (thickness 0.1)))
)
(property "Value" "P16612-011CA" (at 0 1 0 unlocked) (layer "F.Fab") (tstamp c17f9354-4dcd-427f-a0cd-3651420b79cd)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Footprint" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp 65b5b503-94ba-469f-ac07-825c708743d5)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Datasheet" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp c4b71734-68fe-44c7-a657-275085e813a7)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Description" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp 4907b044-9154-4565-bbc3-4d78188ae664)
(effects (font (size 1 1) (thickness 0.15)))
)
(attr smd)
(fp_line (start 0.75 -1.75) (end 1.8 -1.75)
(stroke (width 0.1) (type default)) (layer "F.SilkS") (tstamp 5bc9e9b8-c81f-4e2f-aeda-6038318a1525))
(fp_line (start 1.8 -1.75) (end 1.8 -0.8)
(stroke (width 0.1) (type default)) (layer "F.SilkS") (tstamp ef59ca4e-da2f-41c0-8fee-f72ca0a547ee))
(fp_rect (start -1.3 -1.3) (end 1.3 1.3)
(stroke (width 0.1) (type default)) (fill none) (layer "F.SilkS") (tstamp d519c4bb-87d6-401d-8dfe-10740fe38960))
(fp_rect (start -1.5 -1.5) (end 1.5 1.5)
(stroke (width 0.05) (type default)) (fill none) (layer "F.CrtYd") (tstamp 9e7fce77-0bdc-4c75-b86e-4d88362275b0))
(fp_text user "${REFERENCE}" (at 0 2.5 0 unlocked) (layer "F.Fab") (tstamp 76855fc3-1cfc-4e28-b002-8380fdafa654)
(effects (font (size 1 1) (thickness 0.15)))
)
(pad "1" smd rect (at 0.9 0 180) (size 1.3 3.1) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 3198d885-b53d-4ffb-96b6-184c86fac519)
)
(pad "2" smd rect (at -0.9 0 180) (size 1.3 3.1) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp 7295e3bf-5769-43de-a2ad-24d6cd74bcf1)
)
)

38
footprints.pretty/VBPW34S.kicad_mod Normal file
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@ -0,0 +1,38 @@
(footprint "VBPW34S" (version 20230620) (generator pcbnew)
(layer "F.Cu")
(property "Reference" "REF**" (at -1.6 -3 0 unlocked) (layer "F.SilkS") hide (tstamp 88390548-67d9-49ae-8e4c-db01d26978d2)
(effects (font (size 1 1) (thickness 0.1)))
)
(property "Value" "VBPW34S" (at 0 1 0 unlocked) (layer "F.Fab") (tstamp 49bcfcc7-6ef0-4846-b5f7-960c636434bb)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Footprint" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp db2c230f-92ec-4075-9bd3-c08c516cad56)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Datasheet" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp f9c53b5c-993a-4b69-8b9e-da34f17dd77b)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Description" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp 4e42c3fd-b0f8-4932-8240-d6c55ea8e994)
(effects (font (size 1 1) (thickness 0.15)))
)
(attr smd)
(fp_line (start -1.6 -1.95) (end -1.6 1.95)
(stroke (width 0.1) (type default)) (layer "F.SilkS") (tstamp a2f763ed-a004-441d-8244-eac6029b573e))
(fp_rect (start -2.2 -1.95) (end 2.2 1.95)
(stroke (width 0.1) (type default)) (fill none) (layer "F.SilkS") (tstamp 13d36aea-793c-41ad-904d-3542d7f1a2c4))
(fp_rect (start -1 -1) (end 1 1)
(stroke (width 0.1) (type dot)) (fill none) (layer "F.SilkS") (tstamp 93cc726b-eb93-4c74-875e-19bac486e589))
(fp_rect (start -3.4 -2.2) (end 3.4 2.2)
(stroke (width 0.05) (type default)) (fill none) (layer "Margin") (tstamp 35a10b49-2333-4ae0-ad4f-be7c11e460a8))
(fp_text user "${REFERENCE}" (at 0 2.5 0 unlocked) (layer "F.Fab") (tstamp 6da511a8-5272-4940-a236-8bdcca2bcba5)
(effects (font (size 1 1) (thickness 0.15)))
)
(pad "1" smd rect (at -3.575 0 90) (size 1.75 1.8) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp c26b90cf-eb56-4095-b993-a534163b7718)
)
(pad "2" smd rect (at 3.575 0 90) (size 1.75 1.8) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp e1b9bf11-3775-4900-ad1e-6eb4ef74afc1)
)
)

40
footprints.pretty/VBPW34SR.kicad_mod Normal file
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@ -0,0 +1,40 @@
(footprint "VBPW34SR" (version 20230620) (generator pcbnew)
(layer "F.Cu")
(property "Reference" "REF**" (at -1.6 -3 0 unlocked) (layer "F.SilkS") hide (tstamp b09223af-b049-4a61-b9aa-5a8bddba26fd)
(effects (font (size 1 1) (thickness 0.1)))
)
(property "Value" "VBPW34SR" (at 0 1 0 unlocked) (layer "F.Fab") (tstamp 916ac511-8dba-449e-af8b-b56f77084c5b)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Footprint" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp 98d8ede5-a9e7-4027-a862-08ae5bb89b1b)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Datasheet" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp 3d72a385-02d0-4197-9835-027a41835154)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Description" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp 73a86ea5-bdba-4bde-991b-98b412192463)
(effects (font (size 1 1) (thickness 0.15)))
)
(attr smd)
(fp_line (start -1.6 -1.95) (end -1.6 1.95)
(stroke (width 0.1) (type default)) (layer "F.SilkS") (tstamp f03db372-3115-4690-9e13-0199284ffb8c))
(fp_rect (start -2.2 -1.95) (end 2.2 1.95)
(stroke (width 0.1) (type default)) (fill none) (layer "F.SilkS") (tstamp b173977a-593e-4cb3-8763-3ea91ef7fc7b))
(fp_rect (start -1.68 -1.5) (end 1.32 1.5)
(stroke (width 0.1) (type dot)) (fill none) (layer "F.SilkS") (tstamp 42b9372a-e36b-4210-a75a-de580540d86e))
(fp_rect (start -1.98 -1.8) (end 1.62 1.8)
(stroke (width 0.05) (type default)) (fill none) (layer "Edge.Cuts") (tstamp dad98ac0-65e9-41f5-8e7c-1f1f5eed6e44))
(fp_rect (start -3.4 -2.2) (end 3.4 2.2)
(stroke (width 0.05) (type default)) (fill none) (layer "Margin") (tstamp 7fe3bec6-3955-4c21-ae6d-44ba50829f15))
(fp_text user "${REFERENCE}" (at 0 2.5 0 unlocked) (layer "F.Fab") (tstamp 733f454d-fa09-4888-9ea7-47aa0099102d)
(effects (font (size 1 1) (thickness 0.15)))
)
(pad "1" smd rect (at -3.575 0 90) (size 1.75 1.8) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp a01d329c-5bba-43ac-a2c0-8a89e3e4d16b)
)
(pad "2" smd rect (at 3.575 0 90) (size 1.75 1.8) (layers "F.Cu" "F.Paste" "F.Mask")
(thermal_bridge_angle 45)
(tstamp fb8a214a-920d-478a-b94c-cae1c738661a)
)
)

548
footprints.pretty/coil_rx.kicad_mod Normal file
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@ -0,0 +1,548 @@
(footprint "coil_rx" (version 20230620) (generator pcbnew)
(layer "F.Cu")
(property "Reference" "REF**" (at 0 -0.5 0 unlocked) (layer "F.SilkS") hide (tstamp a1cfaab7-dc54-48c5-ba8c-a23b49020a51)
(effects (font (size 1 1) (thickness 0.1)))
)
(property "Value" "coil_rx" (at 0 1 0 unlocked) (layer "F.Fab") hide (tstamp 3e6b6586-c676-486b-bc5d-08fb92b33e36)
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(stroke (width 0.3) (type default)) (layer "B.Cu") (tstamp 858b212a-2abb-46f5-a21f-203f9d406e87))
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(zone (net 0) (net_name "") (layers "*.Cu") (tstamp df7e1b52-b61b-4b2f-9f2b-b72795adae37) (hatch edge 0.5)
(connect_pads (clearance 0))
(min_thickness 0.254) (filled_areas_thickness no)
(keepout (tracks allowed) (vias allowed) (pads allowed) (copperpour not_allowed) (footprints allowed))
(fill (thermal_gap 0.508) (thermal_bridge_width 0.508))
(polygon
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)

34
footprints.pretty/mesh_conn.kicad_mod Normal file
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(footprint "mesh_conn" (version 20230620) (generator pcbnew)
(layer "F.Cu")
(property "Reference" "REF**" (at 0 -2.25 0 unlocked) (layer "F.SilkS") hide (tstamp ad4f86a6-c40a-45de-9755-536816782561)
(effects (font (size 1 1) (thickness 0.1)))
)
(property "Value" "mesh_conn" (at 0 1 0 unlocked) (layer "F.Fab") (tstamp e87da325-b358-40c2-9a7c-2bf2cb54bc3f)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Footprint" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp 1a4151b5-9c45-483f-b7de-b3c48b0e0373)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Datasheet" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp 3a2afd89-4c34-4a0b-a3cc-24800fe97f31)
(effects (font (size 1 1) (thickness 0.15)))
)
(property "Description" "" (at 0 0 0 unlocked) (layer "F.Fab") hide (tstamp 5f1f1696-4799-4134-b64d-57be44267fde)
(effects (font (size 1 1) (thickness 0.15)))
)
(attr smd)
(fp_text user "${REFERENCE}" (at 0 2.5 0 unlocked) (layer "F.Fab") (tstamp f741b3b8-fc10-442d-8f89-4dd2860f992f)
(effects (font (size 1 1) (thickness 0.15)))
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(pad "1" smd circle (at 0 -0.45) (size 0.15 0.15) (layers "F.Cu")
(tstamp e65c026b-a582-481d-aa0f-83da4e05e52b)
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(pad "2" smd circle (at 0 -0.15) (size 0.15 0.15) (layers "F.Cu")
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(pad "3" smd circle (at 0 0.15) (size 0.15 0.15) (layers "F.Cu")
(tstamp 80b9cf1e-76d6-499a-8d4a-c27e4b29a23a)
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(pad "4" smd circle (at 0 0.45) (size 0.15 0.15) (layers "F.Cu")
(tstamp 6911242a-667c-4407-8e79-6ac9c5f4704c)
)
)

88516
fp-info-cache Normal file
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7
fp-lib-table Normal file
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(fp_lib_table
(version 7)
(lib (name "footprints")(type "KiCad")(uri "${KIPRJMOD}/footprints.pretty")(options "")(descr ""))
(lib (name "Package_CSP")(type "KiCad")(uri "/home/jaseg/ref/kicad-footprint-generator/scripts/Packages/Package_BGA/Package_CSP.pretty")(options "")(descr ""))
(lib (name "Package_BGA")(type "KiCad")(uri "/home/jaseg/ref/kicad-footprint-generator/scripts/Packages/Package_BGA/Package_BGA.pretty")(options "")(descr ""))
(lib (name "balancing-footprints")(type "KiCad")(uri "${KIPRJMOD}/balancing-footprints.pretty")(options "")(descr ""))
)

43
layout_radial.py Normal file
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#!/usr/bin/env python3
import re
import math
import gerbonara.cad.kicad.pcb as pcb
r = 85
cx, cy = 150, 100
si_prefixes = {'k': 1e3, 'M': 1e6, 'G': 1e9, 'm': 1e-3, 'u': 1e-6, 'µ': 1e-6, 'n': 1e-9, 'p': 1e-12, '.': 1, 'r': 1}
def parse_si(s, unit=''):
if not (match := re.fullmatch(f'([0-9]*)(([.pPnNuUµmrRkKMgG])([0-9]*))?([pPnNuUµmrRkKMgG]?)({unit})?', s)):
raise ValueError(f'{s} is not a valid number with an SI prefix')
left, _1, dot, right, prefix, _unit = match.groups()
prefix = prefix or dot or '.'
multiplier = si_prefixes.get(prefix, si_prefixes.get(prefix.upper(), si_prefixes.get(prefix.lower())))
return float(f'{left}.{right or ""}0') * multiplier
b = pcb.Board.open('self-balancing-test-a.kicad_pcb.bak')
matches = list(b.find_footprints(name='Package_TO_SOT_SMD:SOT-23', sheetfile='resistor_bank.kicad_sch'))
for i, fp in enumerate(matches):
alpha = 2*math.pi * i/len(matches)
fp.at.x, fp.at.y = cx+r, cy
fp.rotate(alpha, cx, cy)
res1, res2 = fp.pads_by_number[3].find_connected(name='Resistor_SMD.*')
if parse_si(res1.property_value('Value')) > parse_si(res2.property_value('Value')):
res1, res2 = res2, res1
res1.at.x, res1.at.y = cx+r+5, cy+2
res2.at.x, res2.at.y = cx+r+5, cy-2
res1.rotate(alpha, cx, cy)
res2.rotate(alpha, cx, cy)
b.write('self-balancing-test-a.testout.kicad_pcb')

324
moment_of_inertia.py Normal file
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#!/usr/bin/env python3
import re
import math
import shutil
import subprocess
import tempfile
from pathlib import Path
from gerbonara import LayerStack
from gerbonara.utils import setup_svg, Tag, MM, rotate_point
import gerbonara.cad.kicad.pcb as pcb
from PIL import Image
import click
import shapely
import numpy as np
from scipy.optimize import minimize
# Default density according to https://www.avx.com/docs/techinfo/CeramicCapacitors/yngsmodu.pdf
density_x7r = 5.8 # g/cm^3
# Default density according to https://en.wikipedia.org/wiki/FR-4
density_fr4 = 1.850 # g/cm^3
density_copper = 8.96 # g/cm^3
def volume_mass(w:'mm', l:'mm', density:'g/cm^3', thickness:'mm'=None):
""" Calculate approximate mass of a component of a given size. When no thickness is given, thickness = width is
assumed. Lengths are in mm, density in g/cm^3 and the result will be in mg. """
thickness = thickness or w
return w*l*thickness * 1e-3 * density * 1e3
# masses for some common components in mg
# approximate! Especially for capacitors, there can be significant differences between component height (and thus mass)
# for parts with the same footprint.
common_masses = {
'C_0201_0603Metric': volume_mass(0.3, 0.6, density_x7r),
'C_0402_1005Metric': volume_mass(0.5, 1.0, density_x7r),
'C_0603_1608Metric': volume_mass(0.8, 1.5, density_x7r),
'C_0805_2012Metric': volume_mass(1.3, 2.0, density_x7r),
'C_1206_3216Metric': volume_mass(1.5, 3.0, density_x7r),
'C_1210_3225Metric': volume_mass(2.5, 3.2, density_x7r),
# Resistor masses from https://www.vishay.com/docs/20035/dcrcwe3.pdf
'R_0402_1005Metric': 0.65,
'R_0603_1608Metric': 2.0,
'R_0805_2012Metric': 5.5,
'R_1206_3216Metric': 10,
}
def angle_difference(a, b):
return (b - a) % (2*math.pi) - math.pi
def parse_mass(s):
if not (m := re.match(r'^([0-9.,]*)([mkuµ]?)[g]?', s)):
raise ValueError(f'Invalid mass "{s}"')
si_prefix = {'m': 1e-3, 'u': 1e-6, 'µ': 1e-6, 'k': 1e3}
return float(m.group(1)) * si_prefix.get(m.group(2), 1)
def get_pixel_size(img, phys_w, phys_h):
px_w, px_h = img.size
pixel_size_x, pixel_size_y = phys_w/px_w, phys_h/px_h
assert math.isclose(pixel_size_x, pixel_size_y, rel_tol=1e-2, abs_tol=0.05)
return (pixel_size_x + pixel_size_y) / 2
def pixel_inertia(svg, phys_w, phys_h, phys_x0, phys_y0, area_density):
with tempfile.NamedTemporaryFile(suffix='.png') as tmp_png:
tmp_png = Path(tmp_png.name)
subprocess.run(['resvg', '--background', 'white', str(svg), str(tmp_png)], check=True)
with Image.open(tmp_png) as img:
pixel_size = get_pixel_size(img, phys_w, phys_h) # [m]
px_w, px_h = img.size
img = 1 - np.array(img.convert('L'), dtype=float) / 255
pixel_weight = pixel_size**2 * area_density # [g]
img *= pixel_weight # [g]
tens_y = np.zeros(shape=(px_h, 3, 3))
tens_x = np.zeros(shape=(px_w, 3, 3))
mass_y = np.zeros(px_h)
mass_x = np.zeros(px_w)
com_y = np.zeros(shape=(px_h, 2))
com_x = np.zeros(shape=(px_w, 2))
for y in range(px_h):
for x in range(px_w):
m = img[y, x]
x_phys = (x + 0.5) * pixel_size - phys_x0 # [m]
y_phys = (y + 0.5) * pixel_size - phys_y0 # [m]
tens_x[x][0,0] = m * y_phys**2
tens_x[x][1,1] = m * x_phys**2
tens_x[x][2,2] = m * x_phys**2 + y_phys**2
tens_x[x][0,1] = tens_x[x][1,0] = m * x_phys * y_phys
mass_x[x] = m
com_x[x] = (x_phys*m, y_phys*m)
tens_y[y] = tens_x.sum(axis=0)
mass_y[y] = mass_x.sum()
com_y[y] = com_x.sum(axis=0)
tens_solder = tens_y.sum(axis=0)
mass_solder = mass_y.sum()
center_of_mass = com_y.sum(axis=0) / mass_solder
return mass_solder, center_of_mass, tens_solder
@click.command()
@click.argument('kicad_pcb', type=click.Path(file_okay=True, dir_okay=False, path_type=Path))
@click.argument('gerber', type=click.Path(file_okay=False, dir_okay=True, path_type=Path))
@click.argument('pcb_out', required=False, type=click.Path(file_okay=True, dir_okay=False, path_type=Path))
@click.option('--board-thickness', type=float, default=0.75, help='PCB thickness in mm')
@click.option('--fr4-density', type=float, default=density_fr4, help='FR-4 density in g/cm^3')
@click.option('--stencil-thickness', type=float, default=0.125, help='Stencil thickness in mm')
@click.option('--copper-thickness', type=float, default=35, help='Stencil thickness in µm')
# Default solder paste density from:
# - https://www.kester.com/Portals/0/Documents/Knowledge%20Base/Calculating%20Solder%20Paste%20Volume%20Percent.pdf
# - http://www.chipquik.com/datasheets/SMD291SNL10.pdf
@click.option('--solder-paste-density', type=float, default=4.2, help='Solder paste density in g/cm^3')
@click.option('--solder-paste-metal-content', type=float, default=87.0, help='Solder paste metal content by weight in percent. The default value is for Chipquik SMD291SNL lead-free SAC305 solder paste.')
def analyze_board(kicad_pcb, gerber, pcb_out, board_thickness, fr4_density, stencil_thickness, copper_thickness, solder_paste_density, solder_paste_metal_content):
board = pcb.Board.open(kicad_pcb)
stack = LayerStack.open(gerber)
print()
(min_x, min_y), (max_x, max_y) = bounds = stack.outline.bounding_box(MM, default=((0, 0), (0, 0)))
phys_w, phys_h = (max_x-min_x)/1e3, (max_y-min_y)/1e3 # [m]
# Gerber flips the image Y axis compared to pillow and other modern computer graphics
phys_x0, phys_y0 = -min_x/1e3, max_y/1e3 # [m]
stencil_thickness /= 1e3 # [m]
solder_paste_density *= 1e6 / 1e3 # [kg/m^3]
solder_paste_metal_content /= 100 # [1]
board_thickness /= 1e3 # [m]
copper_thickness /= 1e6 # [m]
fr4_density *= 1e6 / 1e3 # [kg/m^3]
with tempfile.NamedTemporaryFile(suffix='.svg') as tmp_svg:
tmp_svg = Path(tmp_svg.name)
tmp_svg.write_text(str(stack['top paste'].to_svg(force_bounds=bounds)))
area_density = stencil_thickness * solder_paste_density * solder_paste_metal_content # [kg/m^2]
solder_mass, solder_center_of_mass, solder_tens = pixel_inertia(tmp_svg, phys_w, phys_h, phys_x0, phys_y0, area_density)
print(f'Solder mass: {solder_mass*1e6:.3f} mg')
print(f'Solder inertia:\n', solder_tens)
print(f'Solder center of mass: {solder_center_of_mass[0]*1e3:.3f}, {solder_center_of_mass[1]*1e3:.3f} mm')
print()
with tempfile.NamedTemporaryFile(suffix='.svg') as tmp_svg:
tmp_svg = Path(tmp_svg.name)
volume_density = density_copper * 1e6 / 1e3 # [kg/m^3]
area_density = copper_thickness * volume_density # [kg/m^2]
tmp_svg.write_text(str(stack['top copper'].to_svg(force_bounds=bounds)))
top_copper_mass, top_copper_center_of_mass, top_copper_tens = pixel_inertia(tmp_svg, phys_w, phys_h, phys_x0, phys_y0, area_density)
tmp_svg.write_text(str(stack['bottom copper'].to_svg(force_bounds=bounds)))
bottom_copper_mass, bottom_copper_center_of_mass, bottom_copper_tens = pixel_inertia(tmp_svg, phys_w, phys_h, phys_x0, phys_y0, area_density)
copper_mass = top_copper_mass + bottom_copper_mass
copper_center_of_mass = (top_copper_center_of_mass * top_copper_mass +
bottom_copper_center_of_mass * bottom_copper_mass) / copper_mass
copper_tens = top_copper_tens + bottom_copper_tens
print(f'Copper mass: {copper_mass*1e3:.3f} g')
print(f'Copper inertia:\n', copper_tens)
print(f'Copper center of mass: {copper_center_of_mass[0]*1e3:.3f}, {copper_center_of_mass[1]*1e3:.3f} mm')
print()
with tempfile.NamedTemporaryFile(suffix='.svg') as tmp_svg:
tmp_svg = Path(tmp_svg.name)
path = Tag('path', d=stack.outline_svg_d(), fill='black')
tmp_svg.write_text(str(setup_svg([path], bounds)))
area_density = board_thickness * fr4_density # [kg/m^2]
fr4_mass, fr4_center_of_mass, fr4_tens = pixel_inertia(tmp_svg, phys_w, phys_h, phys_x0, phys_y0, area_density)
print(f'FR-4 mass: {fr4_mass*1e3:.3f} g')
print(f'FR-4 inertia:\n', fr4_tens)
print(f'FR-4 center of mass: {fr4_center_of_mass[0]*1e3:.3f}, {fr4_center_of_mass[1]*1e3:.3f} mm')
print()
component_mass = np.zeros(len(board.footprints))
component_tens = np.zeros(shape=(len(board.footprints), 3, 3))
component_com = np.zeros(shape=(len(board.footprints), 2))
for i, fp in enumerate(board.footprints):
if (m := fp.property_value('mass', None)):
m = parse_mass(m) / 1e3
else:
for key, value in common_masses.items():
if key in fp.name:
m = value/1e6 # [kg]
break
else:
m = 0
x, y = fp.at.x, fp.at.y # [mm]
x -= board.setup.aux_axis_origin.x
y -= board.setup.aux_axis_origin.y
x, y = x*1e-3, y*1e-3 # [m]
component_tens[i][0,0] = m * y**2
component_tens[i][1,1] = m * x**2
component_tens[i][2,2] = m * x**2 + y**2
component_tens[i][0,1] = component_tens[i][1,0] = m * x * y
component_mass[i] = m
component_com[i] = (m*x, m*y)
component_mass = component_mass.sum()
component_tens = component_tens.sum(axis=0)
component_center_of_mass = component_com.sum(axis=0) / component_mass
print(f'Component mass: {component_mass*1e3:.3f} g')
print(f'Component inertia:\n', component_tens)
print(f'Component center of mass: {component_center_of_mass[0]*1e3:.3f}, {component_center_of_mass[1]*1e3:.3f} mm')
print()
total_mass = fr4_mass + solder_mass + component_mass + copper_mass
total_tens = fr4_tens + solder_tens + component_tens + copper_tens
total_center_of_mass = (
fr4_center_of_mass * fr4_mass +
solder_center_of_mass * solder_mass +
component_center_of_mass * component_mass +
copper_center_of_mass * copper_mass) / total_mass
imbalance_angle = math.atan2(*total_center_of_mass[::-1])
print(f'Total mass: {total_mass*1e3:.3f} g')
print(f'Total inertia:\n', total_tens)
print(f'Total center of mass: {total_center_of_mass[0]*1e3:.3f}, {total_center_of_mass[1]*1e3:.3f} mm')
print(f'Imbalance angle: {math.degrees(imbalance_angle):.2f} °')
print(f'Imbalance radius: {math.hypot(*total_center_of_mass)*1e3:.2f} mm')
print()
if not pcb_out: # No auto-balancing requested
return
volume_density = density_copper * 1e6 / 1e3 # [kg/m^3]
area_density = copper_thickness * volume_density # [kg/m^2]
balancing_pads = []
for fp in board.footprints:
if not fp.name.startswith('balancing-footprints:bal-'):
continue
fp_x, fp_y = fp.at.x - board.setup.aux_axis_origin.x, fp.at.y - board.setup.aux_axis_origin.y
fp_x, fp_y = fp_x*1e-3, fp_y*1e-3 # [m]
fp_rot = math.radians(fp.at.rotation or 0)
for pad in fp.pads:
if pad.shape not in (pcb.Atom.rect, pcb.Atom.circle):
print(f'Pad {pad.numebr} of balancing footprint {fp.get_property("Reference")} has unsupported pad shape {pad.shape}. Ignoring.')
continue
x, y = pad.at.x, pad.at.y
x, y = x*1e-3, y*1e-3 # [m]
x, y = rotate_point(x, y, -fp_rot)
x, y = x+fp_x, y+fp_y
a = math.atan2(y, x)
a_diff = angle_difference(imbalance_angle, a)
w, h = pad.size.x*1e-3, pad.size.y*1e-3 # [m]
if pad.shape == pcb.Atom.rect:
m = w*h*area_density
else:
m = max(w, h)**2 / 4 * math.pi * area_density
balancing_pads.append((pad, a, a_diff, x, y, w, h, m))
if not balancing_pads:
print('Error: Cannot balance board: No balancing footprint instances found.')
return
com_wo_bal_fps = total_center_of_mass * total_mass
m_tot = total_mass
for i, (pad, a, a_diff, x, y, w, h, m) in enumerate(balancing_pads):
#print(f'Balancing footprint {i} at {x*1e3:.1f}, {y*1e3:.1f} mm')
#print(f' angle: {math.degrees(a):.2f} °')
#print(f' angle difference: {math.degrees(a_diff):.2f} °')
#print(f' radius: {math.hypot(x, y)*1e3:.1f} mm')
#print(f' weight: {m*1e6:.0f} mg')
#print()
com_wo_bal_fps -= np.array([x, y]) * m
m_tot -= m
com_wo_bal_fps /= m_tot
def objective_function(x):
xs = x
total_com, m_bal = com_wo_bal_fps*m_tot, 0
for i, (pad, a, a_diff, x, y, w, h, m) in enumerate(balancing_pads):
m *= xs[i]
total_com += np.array([x, y])*m
m_bal += m
total_com /= (m_tot + m_bal)
r = math.hypot(*total_com)
#mean_change = 1 - xs.mean()
return r #+ mean_change * 1e-3
x0 = np.ones(len(balancing_pads))
res = minimize(objective_function, x0, bounds=[(0.005, 1.0)]*len(x0), tol=1e-12)
print(res)
print(f'Residual imbalance radius: {objective_function(res.x)*1e3:.2f} mm')
print('Adjusting balancing footprints:')
for i, (pad, a, a_diff, x, y, w, h, m) in enumerate(balancing_pads):
f = math.sqrt(res.x[i])
pad.size.x *= f
pad.size.y *= f
print(f'[{i:> 3}] by {100-res.x[i]*100:> 6.2f} %', end=('\n' if i%4 == 3 else ' '))
board.write(pcb_out)
if __name__ == '__main__':
analyze_board()

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self-balancing-test-a.kicad_prl Normal file
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@ -0,0 +1,77 @@
{
"board": {
"active_layer": 0,
"active_layer_preset": "All Layers",
"auto_track_width": true,
"hidden_netclasses": [],
"hidden_nets": [],
"high_contrast_mode": 0,
"net_color_mode": 1,
"opacity": {
"images": 0.6,
"pads": 1.0,
"tracks": 1.0,
"vias": 1.0,
"zones": 0.6
},
"selection_filter": {
"dimensions": true,
"footprints": true,
"graphics": true,
"keepouts": true,
"lockedItems": false,
"otherItems": true,
"pads": true,
"text": true,
"tracks": true,
"vias": true,
"zones": true
},
"visible_items": [
0,
1,
2,
3,
4,
5,
8,
9,
10,
11,
12,
13,
15,
16,
17,
18,
19,
20,
21,
22,
23,
24,
25,
26,
27,
28,
29,
30,
32,
33,
34,
35,
36,
39,
40
],
"visible_layers": "fffffff_ffffffff",
"zone_display_mode": 0
},
"meta": {
"filename": "self-balancing-test-a.kicad_prl",
"version": 3
},
"project": {
"files": []
}
}

604
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@ -0,0 +1,604 @@
{
"board": {
"3dviewports": [],
"design_settings": {
"defaults": {
"board_outline_line_width": 0.09999999999999999,
"copper_line_width": 0.19999999999999998,
"copper_text_italic": false,
"copper_text_size_h": 1.5,
"copper_text_size_v": 1.5,
"copper_text_thickness": 0.3,
"copper_text_upright": false,
"courtyard_line_width": 0.049999999999999996,
"dimension_precision": 4,
"dimension_units": 3,
"dimensions": {
"arrow_length": 1270000,
"extension_offset": 500000,
"keep_text_aligned": true,
"suppress_zeroes": false,
"text_position": 0,
"units_format": 1
},
"fab_line_width": 0.09999999999999999,
"fab_text_italic": false,
"fab_text_size_h": 1.0,
"fab_text_size_v": 1.0,
"fab_text_thickness": 0.15,
"fab_text_upright": false,
"other_line_width": 0.15,
"other_text_italic": false,
"other_text_size_h": 1.0,
"other_text_size_v": 1.0,
"other_text_thickness": 0.15,
"other_text_upright": false,
"pads": {
"drill": 0.762,
"height": 1.524,
"width": 1.524
},
"silk_line_width": 0.15,
"silk_text_italic": false,
"silk_text_size_h": 1.0,
"silk_text_size_v": 1.0,
"silk_text_thickness": 0.15,
"silk_text_upright": false,
"zones": {
"min_clearance": 0.25
}
},
"diff_pair_dimensions": [],
"drc_exclusions": [],
"meta": {
"version": 2
},
"rule_severities": {
"annular_width": "error",
"clearance": "error",
"connection_width": "warning",
"copper_edge_clearance": "error",
"copper_sliver": "warning",
"courtyards_overlap": "error",
"diff_pair_gap_out_of_range": "error",
"diff_pair_uncoupled_length_too_long": "error",
"drill_out_of_range": "error",
"duplicate_footprints": "warning",
"extra_footprint": "warning",
"footprint": "error",
"footprint_type_mismatch": "ignore",
"hole_clearance": "error",
"hole_near_hole": "error",
"invalid_outline": "error",
"isolated_copper": "warning",
"item_on_disabled_layer": "error",
"items_not_allowed": "error",
"length_out_of_range": "error",
"lib_footprint_issues": "warning",
"lib_footprint_mismatch": "warning",
"malformed_courtyard": "error",
"microvia_drill_out_of_range": "error",
"missing_courtyard": "ignore",
"missing_footprint": "warning",
"net_conflict": "warning",
"npth_inside_courtyard": "ignore",
"padstack": "warning",
"pth_inside_courtyard": "ignore",
"shorting_items": "error",
"silk_edge_clearance": "warning",
"silk_over_copper": "warning",
"silk_overlap": "warning",
"skew_out_of_range": "error",
"solder_mask_bridge": "error",
"starved_thermal": "error",
"text_height": "warning",
"text_thickness": "warning",
"through_hole_pad_without_hole": "error",
"too_many_vias": "error",
"track_dangling": "warning",
"track_width": "error",
"tracks_crossing": "error",
"unconnected_items": "error",
"unresolved_variable": "error",
"via_dangling": "warning",
"zones_intersect": "error"
},
"rules": {
"max_error": 0.005,
"min_clearance": 0.0,
"min_connection": 0.0,
"min_copper_edge_clearance": 0.0,
"min_hole_clearance": 0.25,
"min_hole_to_hole": 0.25,
"min_microvia_diameter": 0.19999999999999998,
"min_microvia_drill": 0.09999999999999999,
"min_resolved_spokes": 2,
"min_silk_clearance": 0.0,
"min_text_height": 0.7999999999999999,
"min_text_thickness": 0.08,
"min_through_hole_diameter": 0.3,
"min_track_width": 0.0,
"min_via_annular_width": 0.09999999999999999,
"min_via_diameter": 0.5,
"solder_mask_clearance": 0.0,
"solder_mask_min_width": 0.0,
"solder_mask_to_copper_clearance": 0.0,
"use_height_for_length_calcs": true
},
"teardrop_options": [
{
"td_onpadsmd": true,
"td_onroundshapesonly": false,
"td_ontrackend": false,
"td_onviapad": true
}
],
"teardrop_parameters": [
{
"td_allow_use_two_tracks": true,
"td_curve_segcount": 0,
"td_height_ratio": 1.0,
"td_length_ratio": 0.5,
"td_maxheight": 2.0,
"td_maxlen": 1.0,
"td_on_pad_in_zone": false,
"td_target_name": "td_round_shape",
"td_width_to_size_filter_ratio": 0.9
},
{
"td_allow_use_two_tracks": true,
"td_curve_segcount": 0,
"td_height_ratio": 1.0,
"td_length_ratio": 0.5,
"td_maxheight": 2.0,
"td_maxlen": 1.0,
"td_on_pad_in_zone": false,
"td_target_name": "td_rect_shape",
"td_width_to_size_filter_ratio": 0.9
},
{
"td_allow_use_two_tracks": true,
"td_curve_segcount": 0,
"td_height_ratio": 1.0,
"td_length_ratio": 0.5,
"td_maxheight": 2.0,
"td_maxlen": 1.0,
"td_on_pad_in_zone": false,
"td_target_name": "td_track_end",
"td_width_to_size_filter_ratio": 0.9
}
],
"track_widths": [],
"via_dimensions": [],
"zones_allow_external_fillets": false
},
"layer_presets": [],
"viewports": []
},
"boards": [],
"cvpcb": {
"equivalence_files": []
},
"erc": {
"erc_exclusions": [],
"meta": {
"version": 0
},
"pin_map": [
[
0,
0,
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],
[
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[
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[
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]
],
"rule_severities": {
"bus_definition_conflict": "error",
"bus_entry_needed": "error",
"bus_to_bus_conflict": "error",
"bus_to_net_conflict": "error",
"conflicting_netclasses": "error",
"different_unit_footprint": "error",
"different_unit_net": "error",
"duplicate_reference": "error",
"duplicate_sheet_names": "error",
"endpoint_off_grid": "warning",
"extra_units": "error",
"global_label_dangling": "warning",
"hier_label_mismatch": "error",
"label_dangling": "error",
"lib_symbol_issues": "warning",
"missing_bidi_pin": "warning",
"missing_input_pin": "warning",
"missing_power_pin": "error",
"missing_unit": "warning",
"multiple_net_names": "warning",
"net_not_bus_member": "warning",
"no_connect_connected": "warning",
"no_connect_dangling": "warning",
"pin_not_connected": "error",
"pin_not_driven": "error",
"pin_to_pin": "warning",
"power_pin_not_driven": "error",
"similar_labels": "warning",
"simulation_model_issue": "ignore",
"unannotated": "error",
"unit_value_mismatch": "error",
"unresolved_variable": "error",
"wire_dangling": "error"
}
},
"libraries": {
"pinned_footprint_libs": [
"footprints"
],
"pinned_symbol_libs": [
"symbols"
]
},
"meta": {
"filename": "self-balancing-test-a.kicad_pro",
"version": 1
},
"net_settings": {
"classes": [
{
"bus_width": 12,
"clearance": 0.2,
"diff_pair_gap": 0.25,
"diff_pair_via_gap": 0.25,
"diff_pair_width": 0.2,
"line_style": 0,
"microvia_diameter": 0.3,
"microvia_drill": 0.1,
"name": "Default",
"pcb_color": "rgba(0, 0, 0, 0.000)",
"schematic_color": "rgba(0, 0, 0, 0.000)",
"track_width": 0.25,
"via_diameter": 0.8,
"via_drill": 0.4,
"wire_width": 6
}
],
"meta": {
"version": 3
},
"net_colors": null,
"netclass_assignments": null,
"netclass_patterns": []
},
"pcbnew": {
"last_paths": {
"gencad": "",
"idf": "",
"netlist": "",
"specctra_dsn": "",
"step": "",
"vrml": ""
},
"page_layout_descr_file": ""
},
"schematic": {
"annotate_start_num": 0,
"bom_fmt_presets": [],
"bom_fmt_settings": {
"field_delimiter": ",",
"keep_line_breaks": false,
"keep_tabs": false,
"name": "CSV",
"ref_delimiter": ",",
"ref_range_delimiter": "",
"string_delimiter": "\""
},
"bom_presets": [],
"bom_settings": {
"exclude_dnp": false,
"fields_ordered": [
{
"group_by": false,
"label": "Reference",
"name": "Reference",
"show": true
},
{
"group_by": true,
"label": "Value",
"name": "Value",
"show": true
},
{
"group_by": false,
"label": "Datasheet",
"name": "Datasheet",
"show": true
},
{
"group_by": false,
"label": "Footprint",
"name": "Footprint",
"show": true
},
{
"group_by": false,
"label": "Qty",
"name": "Quantity",
"show": true
},
{
"group_by": false,
"label": "Description",
"name": "Description",
"show": false
},
{
"group_by": false,
"label": "DNP",
"name": "DNP",
"show": false
},
{
"group_by": false,
"label": "LCSC",
"name": "LCSC",
"show": false
},
{
"group_by": false,
"label": "digikey",
"name": "digikey",
"show": false
},
{
"group_by": false,
"label": "mass",
"name": "mass",
"show": true
},
{
"group_by": false,
"label": "mass_ref",
"name": "mass_ref",
"show": true
}
],
"filter_string": "",
"group_symbols": true,
"name": "",
"sort_asc": true,
"sort_field": "Reference"
},
"drawing": {
"dashed_lines_dash_length_ratio": 12.0,
"dashed_lines_gap_length_ratio": 3.0,
"default_line_thickness": 6.0,
"default_text_size": 50.0,
"field_names": [],
"intersheets_ref_own_page": false,
"intersheets_ref_prefix": "",
"intersheets_ref_short": false,
"intersheets_ref_show": false,
"intersheets_ref_suffix": "",
"junction_size_choice": 3,
"label_size_ratio": 0.375,
"operating_point_overlay_i_precision": 3,
"operating_point_overlay_i_range": "~A",
"operating_point_overlay_v_precision": 3,
"operating_point_overlay_v_range": "~V",
"pin_symbol_size": 25.0,
"text_offset_ratio": 0.15
},
"legacy_lib_dir": "",
"legacy_lib_list": [],
"meta": {
"version": 1
},
"net_format_name": "",
"page_layout_descr_file": "",
"plot_directory": "",
"spice_current_sheet_as_root": false,
"spice_external_command": "spice \"%I\"",
"spice_model_current_sheet_as_root": true,
"spice_save_all_currents": false,
"spice_save_all_dissipations": false,
"spice_save_all_voltages": false,
"subpart_first_id": 65,
"subpart_id_separator": 0
},
"sheets": [
[
"3046137d-98ba-4fe6-98da-3a8a74d99ad5",
""
],
[
"d9dd8301-3c73-4baa-ad63-b060d8ba6e6d",
"PD_TIA"
],
[
"9caf2a35-027f-42fd-9c5b-33991635f950",
"PD_TIA2"
],
[
"21ab36d5-c2b4-4e3c-9f31-39e788fe5b7f",
"resistor_bank"
],
[
"5efc82a9-23f3-49dc-b9bd-0d4e6ccdbeff",
"resistor_bank1"
],
[
"9165aeea-e5c9-4847-b386-ddb52c57fdca",
"resistor_bank2"
],
[
"91df35e2-6076-4ca0-8a79-437a67d41236",
"resistor_bank3"
],
[
"3618f925-efd9-4896-ac69-1f98eb774124",
"resistor_bank4"
]
],
"text_variables": {}
}

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@ -0,0 +1,4 @@
(sym_lib_table
(version 7)
(lib (name "symbols")(type "KiCad")(uri "${KIPRJMOD}/symbols.kicad_sym")(options "")(descr ""))
)

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