(kicad_sch (version 20250114) (generator "eeschema") (generator_version "9.0") (uuid "4ae99543-64c8-472f-befd-04c32f138656") (paper "A4") (title_block (title "EWS - Power, CANbus and USB HAT for 3D Printers") (date "2025-12-04") (rev "0.1") (company "Eduard Iten") ) (lib_symbols (symbol "Mechanical:MountingHole_Pad" (pin_numbers (hide yes) ) (pin_names (offset 1.016) (hide yes) ) (exclude_from_sim no) (in_bom no) (on_board yes) (property "Reference" "H" (at 0 6.35 0) (effects (font (size 1.27 1.27) ) ) ) (property "Value" "MountingHole_Pad" (at 0 4.445 0) (effects (font (size 1.27 1.27) ) ) ) (property "Footprint" "" (at 0 0 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Datasheet" "~" (at 0 0 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Description" "Mounting Hole with connection" (at 0 0 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "ki_keywords" "mounting hole" (at 0 0 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "ki_fp_filters" "MountingHole*Pad*" (at 0 0 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (symbol "MountingHole_Pad_0_1" (circle (center 0 1.27) (radius 1.27) (stroke (width 1.27) (type default) ) (fill (type none) ) ) ) (symbol "MountingHole_Pad_1_1" (pin input line (at 0 -2.54 90) (length 2.54) (name "1" (effects (font (size 1.27 1.27) ) ) ) (number "1" (effects (font (size 1.27 1.27) ) ) ) ) ) (embedded_fonts no) ) (symbol "power:GND" (power) (pin_numbers (hide yes) ) (pin_names (offset 0) (hide yes) ) (exclude_from_sim no) (in_bom yes) (on_board yes) (property "Reference" "#PWR" (at 0 -6.35 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Value" "GND" (at 0 -3.81 0) (effects (font (size 1.27 1.27) ) ) ) (property "Footprint" "" (at 0 0 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Datasheet" "" (at 0 0 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Description" "Power symbol creates a global label with name \"GND\" , ground" (at 0 0 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "ki_keywords" "global power" (at 0 0 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (symbol "GND_0_1" (polyline (pts (xy 0 0) (xy 0 -1.27) (xy 1.27 -1.27) (xy 0 -2.54) (xy -1.27 -1.27) (xy 0 -1.27) ) (stroke (width 0) (type default) ) (fill (type none) ) ) ) (symbol "GND_1_1" (pin power_in line (at 0 0 270) (length 0) (name "~" (effects (font (size 1.27 1.27) ) ) ) (number "1" (effects (font (size 1.27 1.27) ) ) ) ) ) (embedded_fonts no) ) ) (junction (at 54.61 176.53) (diameter 0) (color 0 0 0 0) (uuid "8b5fedfb-ce6e-4fb3-80e8-5374f95a9075") ) (junction (at 44.45 176.53) (diameter 0) (color 0 0 0 0) (uuid "ec44c068-1a42-4dbc-93fd-e52808419d03") ) (junction (at 34.29 176.53) (diameter 0) (color 0 0 0 0) (uuid "ecd0bbd7-2658-4e14-930e-ccd678ac786a") ) (wire (pts (xy 34.29 173.99) (xy 34.29 176.53) ) (stroke (width 0) (type default) ) (uuid "05b5811b-b803-42cb-a052-562a8ecf6a1c") ) (wire (pts (xy 54.61 173.99) (xy 54.61 176.53) ) (stroke (width 0) (type default) ) (uuid "26c6b6a3-a0f2-4c4e-b2ae-6713effb67e6") ) (wire (pts (xy 64.77 176.53) (xy 54.61 176.53) ) (stroke (width 0) (type default) ) (uuid "4038cedc-bad7-4474-90cf-f897eace11a4") ) (wire (pts (xy 34.29 176.53) (xy 34.29 179.07) ) (stroke (width 0) (type default) ) (uuid "4f195866-1585-42ac-9cc2-700cca003e68") ) (wire (pts (xy 64.77 173.99) (xy 64.77 176.53) ) (stroke (width 0) (type default) ) (uuid "504a6896-e430-405e-86fd-753736697bf0") ) (wire (pts (xy 34.29 176.53) (xy 44.45 176.53) ) (stroke (width 0) (type default) ) (uuid "69ed7f03-d9d4-4e31-814d-621efd0a125b") ) (wire (pts (xy 44.45 173.99) (xy 44.45 176.53) ) (stroke (width 0) (type default) ) (uuid "b1b1c7cd-7207-4b4c-8234-2fcc6e1b8671") ) (wire (pts (xy 54.61 176.53) (xy 44.45 176.53) ) (stroke (width 0) (type default) ) (uuid "ca7fe728-a268-41dc-84eb-02b82e7166a1") ) (symbol (lib_id "Mechanical:MountingHole_Pad") (at 44.45 171.45 0) (unit 1) (exclude_from_sim no) (in_bom no) (on_board yes) (dnp no) (uuid "4449f5a4-b5e3-43bb-ad5c-ce64ccc21eaa") (property "Reference" "MH102" (at 46.99 170.18 0) (effects (font (size 1.27 1.27) ) (justify left) ) ) (property "Value" "MountingHole_Pad" (at 46.99 171.4499 0) (effects (font (size 1.27 1.27) ) (justify left) (hide yes) ) ) (property "Footprint" "MountingHole:MountingHole_2.7mm_Pad_Via" (at 44.45 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Datasheet" "~" (at 44.45 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Description" "Mounting Hole with connection" (at 44.45 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Manufacturer Part #" "" (at 44.45 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "LCSC Part #" "" (at 44.45 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "FT Rotation Offset" "" (at 44.45 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (pin "1" (uuid "f14a43cb-f12a-4560-abf9-e968c551fae7") ) (instances (project "EWS" (path "/4ae99543-64c8-472f-befd-04c32f138656" (reference "MH102") (unit 1) ) ) ) ) (symbol (lib_id "Mechanical:MountingHole_Pad") (at 54.61 171.45 0) (unit 1) (exclude_from_sim no) (in_bom no) (on_board yes) (dnp no) (uuid "545df361-ec46-441c-9c5b-971b13b608bc") (property "Reference" "MH103" (at 57.15 170.18 0) (effects (font (size 1.27 1.27) ) (justify left) ) ) (property "Value" "MountingHole_Pad" (at 57.15 171.4499 0) (effects (font (size 1.27 1.27) ) (justify left) (hide yes) ) ) (property "Footprint" "MountingHole:MountingHole_2.7mm_Pad_Via" (at 54.61 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Datasheet" "~" (at 54.61 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Description" "Mounting Hole with connection" (at 54.61 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Manufacturer Part #" "" (at 54.61 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "LCSC Part #" "" (at 54.61 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "FT Rotation Offset" "" (at 54.61 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (pin "1" (uuid "c37af48c-9b8b-40d2-914f-7f1fecedbfe5") ) (instances (project "EWS" (path "/4ae99543-64c8-472f-befd-04c32f138656" (reference "MH103") (unit 1) ) ) ) ) (symbol (lib_id "power:GND") (at 34.29 179.07 0) (unit 1) (exclude_from_sim no) (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced yes) (uuid "616b2d7e-5eae-4788-8536-084957c148b9") (property "Reference" "#PWR0101" (at 34.29 185.42 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Value" "GND" (at 34.29 184.15 0) (effects (font (size 1.27 1.27) ) ) ) (property "Footprint" "" (at 34.29 179.07 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Datasheet" "" (at 34.29 179.07 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Description" "Power symbol creates a global label with name \"GND\" , ground" (at 34.29 179.07 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (pin "1" (uuid "623e68bb-27ee-4900-bba5-079ed0cb371a") ) (instances (project "" (path "/4ae99543-64c8-472f-befd-04c32f138656" (reference "#PWR0101") (unit 1) ) ) ) ) (symbol (lib_id "Mechanical:MountingHole_Pad") (at 34.29 171.45 0) (unit 1) (exclude_from_sim no) (in_bom no) (on_board yes) (dnp no) (uuid "95945547-d946-407c-972f-267e0e7e7546") (property "Reference" "MH101" (at 36.83 170.18 0) (effects (font (size 1.27 1.27) ) (justify left) ) ) (property "Value" "MountingHole_Pad" (at 36.83 171.4499 0) (effects (font (size 1.27 1.27) ) (justify left) (hide yes) ) ) (property "Footprint" "MountingHole:MountingHole_2.7mm_Pad_Via" (at 34.29 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Datasheet" "~" (at 34.29 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Description" "Mounting Hole with connection" (at 34.29 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Manufacturer Part #" "" (at 34.29 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "LCSC Part #" "" (at 34.29 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "FT Rotation Offset" "" (at 34.29 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (pin "1" (uuid "4b7b4261-449e-4b3b-9a9b-f08b3cf7551d") ) (instances (project "" (path "/4ae99543-64c8-472f-befd-04c32f138656" (reference "MH101") (unit 1) ) ) ) ) (symbol (lib_id "Mechanical:MountingHole_Pad") (at 64.77 171.45 0) (unit 1) (exclude_from_sim no) (in_bom no) (on_board yes) (dnp no) (uuid "a981a23a-047a-4984-8429-a19140c946e0") (property "Reference" "MH104" (at 67.31 170.18 0) (effects (font (size 1.27 1.27) ) (justify left) ) ) (property "Value" "MountingHole_Pad" (at 67.31 171.4499 0) (effects (font (size 1.27 1.27) ) (justify left) (hide yes) ) ) (property "Footprint" "MountingHole:MountingHole_2.7mm_Pad_Via" (at 64.77 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Datasheet" "~" (at 64.77 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Description" "Mounting Hole with connection" (at 64.77 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "Manufacturer Part #" "" (at 64.77 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "LCSC Part #" "" (at 64.77 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (property "FT Rotation Offset" "" (at 64.77 171.45 0) (effects (font (size 1.27 1.27) ) (hide yes) ) ) (pin "1" (uuid "426c6606-9734-4dda-a530-1ee90f648d82") ) (instances (project "EWS" (path "/4ae99543-64c8-472f-befd-04c32f138656" (reference "MH104") (unit 1) ) ) ) ) (sheet (at 105.41 55.88) (size 24.13 41.91) (exclude_from_sim no) (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced yes) (stroke (width 0.1524) (type solid) ) (fill (color 0 0 0 0.0000) ) (uuid "0e847eb1-f7d3-4059-9388-5e4314635711") (property "Sheetname" "MCU" (at 105.41 55.1684 0) (effects (font (size 1.27 1.27) ) (justify left bottom) ) ) (property "Sheetfile" "mcu.kicad_sch" (at 105.41 98.3746 0) (effects (font (size 1.27 1.27) ) (justify left top) ) ) (instances (project "EWS" (path "/4ae99543-64c8-472f-befd-04c32f138656" (page "3") ) ) ) ) (sheet (at 135.89 55.88) (size 24.13 41.91) (exclude_from_sim no) (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced yes) (stroke (width 0.1524) (type solid) ) (fill (color 0 0 0 0.0000) ) (uuid "7e492d82-58e4-4d5e-a79a-918a5cf15050") (property "Sheetname" "Connectivity" (at 135.89 55.1684 0) (effects (font (size 1.27 1.27) ) (justify left bottom) ) ) (property "Sheetfile" "conn.kicad_sch" (at 135.89 98.3746 0) (effects (font (size 1.27 1.27) ) (justify left top) ) ) (instances (project "EWS" (path "/4ae99543-64c8-472f-befd-04c32f138656" (page "4") ) ) ) ) (sheet (at 74.93 55.88) (size 24.13 41.91) (exclude_from_sim no) (in_bom yes) (on_board yes) (dnp no) (fields_autoplaced yes) (stroke (width 0.1524) (type solid) ) (fill (color 0 0 0 0.0000) ) (uuid "e94b5c4c-885f-4cd2-8976-23421227f36b") (property "Sheetname" "Power" (at 74.93 55.1684 0) (effects (font (size 1.27 1.27) ) (justify left bottom) ) ) (property "Sheetfile" "power.kicad_sch" (at 74.93 98.3746 0) (effects (font (size 1.27 1.27) ) (justify left top) ) ) (instances (project "EWS" (path "/4ae99543-64c8-472f-befd-04c32f138656" (page "2") ) ) ) ) (sheet_instances (path "/" (page "1") ) ) (embedded_fonts no) )