raspberry pi can bus hat
feat: init project
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.gitignore
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.gitignore
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.DS_Store
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README.md
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README.md
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The canonical repo for this is hosted on tangled over at [`dunkirk.sh/can-hat`](https://tangled.org/dunkirk.sh/can-hat)
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## BOM
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| Component | LCSC # | Qty | Placement |
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|---|---|---|---|
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| MCP2518FDT-H/SL | C626759 | 3 | Hand solder |
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| MCP2562FDT-E/SN | C511335 | 3 | Hand solder |
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| OVETGLJANF-40MHZ | C295515 | 3 | Hand solder |
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| AT24C32D-SSHM-T | search LCSC | 1 | Hand solder |
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| 100nF 0603 X7R | basic | ~10 | PCBA |
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| 10µF 0805 | basic | 2 | PCBA |
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| 120Ω 0603 | basic | 3 | PCBA |
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| 10kΩ 0603 | basic | 6 | PCBA |
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| 3.9kΩ 0603 | basic | 2 | PCBA |
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| 15EDGVC-3.5-02P (header) | search Degson | 3 | Hand solder |
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| 15EDGKNM-3.5-02P (plug) | search Degson | 3 | Wire side |
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| 2×20 stacking header | — | 1 | Hand solder |
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The AT24C32D write-protect pin should have a jumper pad or test point so it can be pulled low to flash, then left pulled high permanently after.
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<p align="center">
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<img src="https://raw.githubusercontent.com/taciturnaxolotl/carriage/main/.github/images/line-break.svg" />
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</p>
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hardware/.gitignore
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hardware/.gitignore
···
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# For PCBs designed using KiCad: https://www.kicad.org/
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# Format documentation: https://kicad.org/help/file-formats/
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# Temporary files
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*.000
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*.bak
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*.bck
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*.kicad_pcb-bak
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*.kicad_sch-bak
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*-backups
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*-cache*
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*-bak
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*-bak*
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*~
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~*
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_autosave-*
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\#auto_saved_files\#
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*.tmp
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*-save.pro
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*-save.kicad_pcb
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fp-info-cache
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~*.lck
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\#auto_saved_files#
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# Netlist files (exported from Eeschema)
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*.net
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# Autorouter files (exported from Pcbnew)
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*.dsn
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*.ses
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# Exported BOM files
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*.xml
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*.csv
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# Archived Backups (KiCad 6.0)
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**/*-backups/*.zip
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# Local project settings
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*.kicad_prl
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hardware/can-hat.kicad_pcb
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hardware/can-hat.kicad_pcb
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hardware/can-hat.kicad_pro
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hardware/can-hat.kicad_pro
···
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{
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"board": {
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"3dviewports": [],
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"design_settings": {
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"defaults": {},
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"diff_pair_dimensions": [],
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"drc_exclusions": [],
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"rules": {},
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"track_widths": [],
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"via_dimensions": []
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},
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"ipc2581": {
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"dist": "",
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"distpn": "",
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"internal_id": "",
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"mfg": "",
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"mpn": ""
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},
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"layer_pairs": [],
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"layer_presets": [],
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"viewports": []
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},
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"boards": [],
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"cvpcb": {
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"equivalence_files": []
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},
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"erc": {
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"erc_exclusions": [],
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"meta": {
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"version": 0
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},
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"pin_map": [
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[0,0,0,0,0,0,1,0,0,0,0,2],
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[0,2,0,1,0,0,1,0,2,2,2,2],
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[0,0,0,0,0,0,1,0,1,0,1,2],
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[0,1,0,0,0,0,1,1,2,1,1,2],
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[0,0,0,0,0,0,1,0,0,0,0,2],
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[0,0,0,0,0,0,0,0,0,0,0,2],
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[1,1,1,1,1,0,1,1,1,1,1,2],
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[0,0,0,1,0,0,1,0,0,0,0,2],
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[0,2,1,2,0,0,1,0,2,2,2,2],
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[0,2,0,1,0,0,1,0,2,0,0,2],
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[0,2,1,1,0,0,1,0,2,0,0,2],
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[2,2,2,2,2,2,2,2,2,2,2,2]
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],
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"rule_severities": {
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"bus_definition_conflict": "error",
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"bus_entry_needed": "error",
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"bus_to_bus_conflict": "error",
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"bus_to_net_conflict": "error",
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"different_unit_footprint": "error",
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"different_unit_net": "error",
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"duplicate_reference": "error",
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"duplicate_sheet_names": "error",
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"endpoint_off_grid": "warning",
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"extra_units": "error",
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"footprint_filter": "ignore",
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"footprint_link_issues": "warning",
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"four_way_junction": "ignore",
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"global_label_dangling": "warning",
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"hier_label_mismatch": "error",
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"label_dangling": "error",
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"label_multiple_wires": "warning",
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"lib_symbol_issues": "warning",
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"lib_symbol_mismatch": "warning",
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"missing_bidi_pin": "warning",
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"missing_input_pin": "warning",
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"missing_power_pin": "error",
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"missing_unit": "warning",
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"multiple_net_names": "warning",
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"net_not_bus_member": "warning",
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"no_connect_connected": "warning",
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"no_connect_dangling": "warning",
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"pin_not_connected": "error",
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"pin_not_driven": "error",
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"pin_to_pin": "warning",
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"power_pin_not_driven": "error",
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"same_local_global_label": "warning",
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"similar_label_and_power": "warning",
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"similar_labels": "warning",
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"similar_power": "warning",
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"simulation_model_issue": "ignore",
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"single_global_label": "ignore",
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"unannotated": "error",
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"unconnected_wire_endpoint": "warning",
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"undefined_netclass": "error",
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"unit_value_mismatch": "error",
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"unresolved_variable": "error",
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"wire_dangling": "error"
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}
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},
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"libraries": {
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"pinned_footprint_libs": [],
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"pinned_symbol_libs": []
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},
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"meta": {
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"filename": "can-hat.kicad_pro",
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"version": 3
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},
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"net_settings": {
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"classes": [
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{
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"bus_width": 12,
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"clearance": 0.2,
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"diff_pair_gap": 0.25,
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"diff_pair_via_gap": 0.25,
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"diff_pair_width": 0.2,
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"line_style": 0,
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"microvia_diameter": 0.3,
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"microvia_drill": 0.1,
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"name": "Default",
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"pcb_color": "rgba(0, 0, 0, 0.000)",
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"priority": 2147483647,
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"schematic_color": "rgba(0, 0, 0, 0.000)",
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"track_width": 0.2,
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"via_diameter": 0.6,
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"via_drill": 0.3,
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"wire_width": 6
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}
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],
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"meta": {
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"version": 4
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},
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"net_colors": null,
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"netclass_assignments": null,
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"netclass_patterns": []
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},
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"pcbnew": {
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"last_paths": {
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"gencad": "",
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"idf": "",
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"netlist": "",
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"plot": "",
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"pos_files": "",
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"specctra_dsn": "",
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"step": "",
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"svg": "",
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"vrml": ""
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},
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"page_layout_descr_file": ""
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},
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"schematic": {
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"annotate_start_num": 0,
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"bom_export_filename": "${PROJECTNAME}.csv",
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"bom_fmt_presets": [],
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"bom_fmt_settings": {
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"field_delimiter": ",",
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"keep_line_breaks": false,
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"keep_tabs": false,
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"name": "CSV",
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"ref_delimiter": ",",
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"ref_range_delimiter": "",
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"string_delimiter": "\""
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},
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"bom_presets": [],
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"bom_settings": {
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"exclude_dnp": false,
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"fields_ordered": [
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{"group_by": false, "label": "Reference", "name": "Reference", "show": true},
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{"group_by": false, "label": "Qty", "name": "${QUANTITY}", "show": true},
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{"group_by": true, "label": "Value", "name": "Value", "show": true},
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{"group_by": true, "label": "DNP", "name": "${DNP}", "show": true},
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{"group_by": true, "label": "Exclude from BOM", "name": "${EXCLUDE_FROM_BOM}", "show": true},
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{"group_by": true, "label": "Exclude from Board", "name": "${EXCLUDE_FROM_BOARD}", "show": true},
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{"group_by": true, "label": "Footprint", "name": "Footprint", "show": true},
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{"group_by": false, "label": "Datasheet", "name": "Datasheet", "show": true}
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],
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"filter_string": "",
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"group_symbols": true,
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"include_excluded_from_bom": true,
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"name": "Default Editing",
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"sort_asc": true,
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"sort_field": "Reference"
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},
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"connection_grid_size": 50.0,
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"drawing": {
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"dashed_lines_dash_length_ratio": 12.0,
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"dashed_lines_gap_length_ratio": 3.0,
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"default_line_thickness": 6.0,
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"default_text_size": 50.0,
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"field_names": [],
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"intersheets_ref_own_page": false,
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"intersheets_ref_prefix": "",
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"intersheets_ref_short": false,
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"intersheets_ref_show": false,
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"intersheets_ref_suffix": "",
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"junction_size_choice": 3,
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"label_size_ratio": 0.375,
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"operating_point_overlay_i_precision": 3,
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"operating_point_overlay_i_range": "~A",
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"operating_point_overlay_v_precision": 3,
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"operating_point_overlay_v_range": "~V",
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"overbar_offset_ratio": 1.23,
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"pin_symbol_size": 25.0,
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"text_offset_ratio": 0.15
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},
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"legacy_lib_dir": "",
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"legacy_lib_list": [],
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"meta": {
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"version": 1
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},
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"net_format_name": "",
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"page_layout_descr_file": "",
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"plot_directory": "",
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"space_save_all_events": true,
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"spice_current_sheet_as_root": false,
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"spice_external_command": "spice \"%I\"",
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"spice_model_current_sheet_as_root": true,
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"spice_save_all_currents": false,
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"spice_save_all_dissipations": false,
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"spice_save_all_voltages": false,
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"subpart_first_id": 65,
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"subpart_id_separator": 0
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},
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"sheets": [
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["bfdea6a0-b5c8-4489-9fa0-a972c3ff35f2", "Root"]
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],
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"text_variables": {}
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}
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hardware/can-hat.kicad_sch
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hardware/can-hat.kicad_sch
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hardware/fp-lib-table
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hardware/fp-lib-table