Reference schematic

36-key passive split keyboard reference circuit

hjosugi-electronics-hardware-split-keyboard-split-keyboard-schematic

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hjosugi-electronics-hardware-split-keyboard-split-keyboard-schematic

Take the project archive: a schematic is a root sheet plus every sub-sheet beside it, and the root alone opens with its hierarchy missing. The archive is zstd-compressed (tar.zst).

1Sheets
85Placed parts
19Net labels
KiCad 9File format

Bill of materials

85 distinct parts

85 resolve to something in the catalog — click through to the component.

RefValueSymbolQty
D11N4148WDevice:D_Small
D101N4148WDevice:D_Small
D111N4148WDevice:D_Small
D121N4148WDevice:D_Small
D131N4148WDevice:D_Small
D141N4148WDevice:D_Small
D151N4148WDevice:D_Small
D161N4148WDevice:D_Small
D171N4148WDevice:D_Small
D181N4148WDevice:D_Small
D191N4148WDevice:D_Small
D21N4148WDevice:D_Small
D201N4148WDevice:D_Small
D211N4148WDevice:D_Small
D221N4148WDevice:D_Small
D231N4148WDevice:D_Small
D241N4148WDevice:D_Small
D251N4148WDevice:D_Small
D261N4148WDevice:D_Small
D271N4148WDevice:D_Small
D281N4148WDevice:D_Small
D291N4148WDevice:D_Small
D31N4148WDevice:D_Small
D301N4148WDevice:D_Small
D311N4148WDevice:D_Small
D321N4148WDevice:D_Small
D331N4148WDevice:D_Small
D341N4148WDevice:D_Small
D351N4148WDevice:D_Small
D361N4148WDevice:D_Small
D41N4148WDevice:D_Small
D51N4148WDevice:D_Small
D61N4148WDevice:D_Small
D71N4148WDevice:D_Small
D81N4148WDevice:D_Small
D91N4148WDevice:D_Small
J18P8C LEFT - SPLIT ONLY / NO LANConnector:8P8C
J28P8C RIGHT - SPLIT ONLY / NO LANConnector:8P8C
J3RP2040-Zero GPIO0..GPIO11Connector_Generic:Conn_01x12
R1470RDevice:R
Show the other 45
R2470RDevice:R
R3470RDevice:R
R4470RDevice:R
R5470RDevice:R
R6470RDevice:R
SW1KEYSwitch:SW_Push
SW10KEYSwitch:SW_Push
SW11KEYSwitch:SW_Push
SW12KEYSwitch:SW_Push
SW13KEYSwitch:SW_Push
SW14KEYSwitch:SW_Push
SW15KEYSwitch:SW_Push
SW16KEYSwitch:SW_Push
SW17KEYSwitch:SW_Push
SW18KEYSwitch:SW_Push
SW19KEYSwitch:SW_Push
SW2KEYSwitch:SW_Push
SW20KEYSwitch:SW_Push
SW21KEYSwitch:SW_Push
SW22KEYSwitch:SW_Push
SW23KEYSwitch:SW_Push
SW24KEYSwitch:SW_Push
SW25KEYSwitch:SW_Push
SW26KEYSwitch:SW_Push
SW27KEYSwitch:SW_Push
SW28KEYSwitch:SW_Push
SW29KEYSwitch:SW_Push
SW3KEYSwitch:SW_Push
SW30KEYSwitch:SW_Push
SW31KEYSwitch:SW_Push
SW32KEYSwitch:SW_Push
SW33KEYSwitch:SW_Push
SW34KEYSwitch:SW_Push
SW35KEYSwitch:SW_Push
SW36KEYSwitch:SW_Push
SW4KEYSwitch:SW_Push
SW5KEYSwitch:SW_Push
SW6KEYSwitch:SW_Push
SW7KEYSwitch:SW_Push
SW8KEYSwitch:SW_Push
SW9KEYSwitch:SW_Push
U1TPD4E05U06DQAPower_Protection:TPD4E05U06DQA
U2TPD4E05U06DQAPower_Protection:TPD4E05U06DQA
U3TPD4E05U06DQAPower_Protection:TPD4E05U06DQA
U4TPD4E05U06DQAPower_Protection:TPD4E05U06DQA

Provenance

Commit
4498394acb80df3dc6c4d8b4b3d06ca480fcafc8
Licence
MIT

How it is used

Trace's agent reads this design as context — what parts a board like this carries, how they are grouped across sheets, what a plausible layer stack and board size look like for the job. It is not copied. The licence above is permissive, and it, the repository and the commit are recorded so the origin of anything derived from it is always answerable.