mohan-bee/gimbal-one-budget-pcb
A 4-layer STM32-based gimbal controller PCB with an onboard LSM6DS3TR-C IMU, three DRV8313 3-phase motor drivers, protected 3S battery input, 3.3 V buck regulation, and SWD/UART control interfaces.
- Version
- 0.1.0
- License
- unset
- Stars
- 0
fabrication/gimbal-one-budget.kicad_pro
{
"board": {
"3dviewports": [],
"design_settings": {
"defaults": {
"apply_defaults_to_fp_barcodes": false,
"apply_defaults_to_fp_dimensions": false,
"apply_defaults_to_fp_fields": false,
"apply_defaults_to_fp_shapes": false,
"apply_defaults_to_fp_text": false,
"board_outline_line_width": 0.05,
"copper_line_width": 0.2,
"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": 0.05,
"dimension_precision": 4,
"dimension_units": 3,
"dimensions": {
"arrow_length": 1270000,
"extension_offset": 500000,
"keep_text_aligned": true,
"suppress_zeroes": true,
"text_position": 0,
"units_format": 0
},
"fab_line_width": 0.1,
"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": 0.1,
"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": 0.8,
"height": 1.27,
"width": 2.54
},
"silk_line_width": 0.1,
"silk_text_italic": false,
"silk_text_size_h": 1.0,
"silk_text_size_v": 1.0,
"silk_text_thickness": 0.1,
"silk_text_upright": false,
"zones": {
"min_clearance": 0.5
}
},
"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",
"creepage": "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_filters_mismatch": "ignore",
"footprint_symbol_field_mismatch": "warning",
"footprint_symbol_mismatch": "warning",
"footprint_type_mismatch": "ignore",
"hole_clearance": "error",
"hole_to_hole": "warning",
"holes_co_located": "warning",
"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",
"mirrored_text_on_front_layer": "warning",
"missing_courtyard": "ignore",
"missing_footprint": "warning",
"missing_tuning_profile": "warning",
"net_conflict": "warning",
"nonmirrored_text_on_back_layer": "warning",
"npth_inside_courtyard": "error",
"padstack": "warning",
"pth_inside_courtyard": "error",
"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_on_edge_cuts": "error",
"text_thickness": "warning",
"through_hole_pad_without_hole": "error",
"too_many_vias": "error",
"track_angle": "error",
"track_dangling": "warning",
"track_not_centered_on_via": "ignore",
"track_on_post_machined_layer": "error",
"track_segment_length": "error",
"track_width": "error",
"tracks_crossing": "error",
"tuning_profile_track_geometries": "ignore",
"unconnected_items": "error",
"unresolved_variable": "error",
"via_dangling": "warning",
"zones_intersect": "error"
},
"rules": {
"max_error": 0.005,
"min_clearance": 0.1,
"min_connection": 0.0,
"min_copper_edge_clearance": 0.2,
"min_groove_width": 0.0,
"min_hole_clearance": 0.1,
"min_hole_to_hole": 0.15,
"min_microvia_diameter": 0.2,
"min_microvia_drill": 0.1,
"min_resolved_spokes": 2,
"min_silk_clearance": 0.0,
"min_text_height": 0.8,
"min_text_thickness": 0.08,
"min_through_hole_diameter": 0.2,
"min_track_width": 0.15,
"min_via_annular_width": 0.125,
"min_via_diameter": 0.45,
"solder_mask_clearance": 0,
"solder_mask_min_width": 0.13,
"solder_mask_to_copper_clearance": 0.0,
"use_height_for_length_calcs": true
},
"teardrop_options": [
{
"td_onpthpad": true,
"td_onroundshapesonly": false,
"td_onsmdpad": true,
"td_ontrackend": false,
"td_onvia": 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": [],
"tuning_pattern_settings": {
"diff_pair_defaults": {
"corner_radius_percentage": 80,
"corner_style": 1,
"max_amplitude": 1.0,
"min_amplitude": 0.2,
"single_sided": false,
"spacing": 1.0
},
"diff_pair_skew_defaults": {
"corner_radius_percentage": 80,
"corner_style": 1,
"max_amplitude": 1.0,
"min_amplitude": 0.2,
"single_sided": false,
"spacing": 0.6
},
"single_track_defaults": {
"corner_radius_percentage": 80,
"corner_style": 1,
"max_amplitude": 1.0,
"min_amplitude": 0.2,
"single_sided": false,
"spacing": 0.6
}
},
"via_dimensions": [],
"zones_allow_external_fillets": false
},
"ipc2581": {
"bom_rev": "",
"dist": "",
"distpn": "",
"internal_id": "",
"mfg": "",
"mpn": "",
"sch_revision": ""
},
"last_opened_board": "gimbal-one-budget.kicad_pcb",
"layer_pairs": [],
"layer_presets": [],
"meta": {
"version": 1
},
"viewports": []
},
"boards": [],
"component_class_settings": {
"assignments": [],
"meta": {
"version": 0
},
"sheet_component_classes": {
"enabled": false
}
},
"cvpcb": {
"equivalence_files": [],
"meta": {
"version": 0
}
},
"erc": {
"erc_exclusions": [],
"meta": {
"version": 0
}
},
"head": {
"created": "2026-10-22T07:23:32.804Z",
"generator": "circuit-json-to-kicad",
"generator_version": "0.0.1",
"modified": "2026-10-22T07:23:32.804Z",
"project_name": "gimbal-one-budget"
},
"libraries": {
"pinned_footprint_libs": [],
"pinned_symbol_libs": []
},
"meta": {
"filename": "gimbal-one-budget.kicad_pro",
"version": 3
},
"net_settings": {
"classes": [
{
"clearance": 0.1,
"name": "Default",
"pcb_color": "rgba(0, 0, 0, 0.000)",
"priority": 2147483647,
"schematic_color": "rgba(0, 0, 0, 0.000)",
"track_width": 0.15,
"tuning_profile": "",
"via_diameter": 0.45,
"via_drill": 0.2
}
],
"last_net_id": 0,
"meta": {
"version": 5
},
"net_colors": null,
"netclass_assignments": null,
"netclass_patterns": []
},
"pcbnew": {
"last_paths": {
"idf": "",
"netlist": "",
"plot": "",
"specctra_dsn": "",
"vrml": ""
},
"page_layout_descr_file": ""
},
"schematic": {
"bus_aliases": {},
"last_opened_files": [
"gimbal-one-budget.kicad_sch"
],
"legacy_lib_dir": "",
"legacy_lib_list": [],
"meta": {
"version": 1
},
"page_layout_descr_file": "",
"top_level_sheets": [
{
"filename": "gimbal-one-budget.kicad_sch",
"name": "gimbal-one-budget",
"uuid": "00000000-0000-0000-0000-000000000000"
}
]
},
"sheets": [
[
"2c078bc8-9c61-41d4-968a-c78797671d67",
"Root"
],
[
"eb8f7008-17c8-415c-802d-7f03f51206cc",
"Gimbal One — Power"
],
[
"fba968f1-efb3-49c2-aa91-5ac146c148b2",
"Gimbal One — MCU"
],
[
"22ec8e54-43aa-4898-abe4-851a71bf454b",
"Gimbal One — IMU"
],
[
"d539689a-ff87-4e0a-be27-65e01e810f12",
"Gimbal One — PITCH"
],
[
"57f157b2-3b3a-4380-b34d-b02e4bf12f7a",
"Gimbal One — ROLL"
],
[
"59c04620-98e6-4b4b-9e02-319d44a6545e",
"Gimbal One — YAW"
],
[
"634cd3da-3e15-4085-8d06-1767449d9fed",
"Gimbal One — IO"
]
],
"text_variables": {},
"tuning_profiles": {
"meta": {
"version": 0
},
"tuning_profiles_impedance_geometric": []
},
"version": 1
}
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