
PSLab
fossasia/pslab-hardware
PSLab Hardware Design and Schematics https://pslab.io

split ortholinear keyboard
Coconut42 is an open-source printed circuit board by tor-nky, from the tor-nky/coconut42 repository on GitHub, published under the CC-BY-4.0 licence. It is a 2-layer board of 272 × 90.2 mm with 234 parts on 138 nets, routed with 2,586 tracks and 213 vias.
It is built around the WS2812B. Its parts include 104 diodes, 42 capacitors, 42 switches, 10 resistors and 4 connectors. It belongs with the keyboards and input boards of this library.
coconut42 は左右分割式、格子配列のキーボードです。 片側ごとのキーは縦3x横6+親指3個、両側で42キーです。 本キーボードはfoostan氏が設計されたCorne Cherryのv4.1、v3-final、v2.1の公開情報を活用させていただき、キー配列とマイコンボードを変更したものです。 foostan氏のご厚意に感謝いたします。

| 名前 | 数 | 備考 |
|---|---|---|
| PCB | 2枚 | |
| トッププレート | 2枚 | |
| ボトムプレート | 2枚 | |
| Seeed Studio XIAO RP2040 | 2枚 | |
| TRRSジャック | 2個 | MJ-4PP-9 |
| ダイオード | 50個 | 1N4148W SOD123 |
| Kailh PCBソケット | 42個 | MX用 |
| キースイッチ | 42個 | CherryMX互換にのみ対応 |
| キーキャップ | 42個 | 1u |
| スペーサー M2 7.5mm全ネジ | 10本 | |
| ネジ M2 4mm | 20本 | |
| クッションゴム | 8個 | |
| TRS(3極)ケーブル | 1本 | TRRS(4極)ケーブルでも可 |
| USB type Cケーブル | 1本 |
| 名前 | 数 | 備考 |
|---|---|---|
| リード線 2cm程度 | 2本 | LEDとOLEDの電源供給用 |
| 抵抗1/6W470Ω | 2本 | R1,R6で。小さいサイズも可。やむを得ない場合ジャンパー |
| WS2812B | 12個 | 下向き実装 |
| YS-SK6812MINI-E | 42個 | 上向き実装 |
| OLEDモジュール | 2枚 | |
| ピンヘッダ 4連 | 2個 | |
| ピンソケット4連 | 2個 | |
| OLEDカバー | 2枚 | Corne Cherryのものと交換可能 |
| スペーサー M2 9mm全ネジ | 4本 | |
| ネジ M2 4mm | 4本 |
おすすめできませんが、できるものもあります。
ZMK Firmwareが改良二乗マトリクスに対応しています。設定例
LEDは光らせられませんでした(仮にできたとしても、Blutooth通信の低下になるという)
左側の裏を写した写真 右側の裏を写した写真(マイコンボード故障でリカバリ箇所あり)
使用できません。
| Qty | Value | Footprint | References |
|---|---|---|---|
| 50 | D | kbd:D3_SMD_v2 | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +34 |
| 42 | 0.1u | kbd:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25 +26 |
| 42 | YS-SK6812MINI-E | kbd:YS-SK6812MINI-E | LED10, LED11, LED12, LED13, LED14, LED15, LED16, LED17, LED18, LED19, LED20, LED21, LED22, LED23, LED24, LED25 +26 |
| 14 | Val** | kbd:M2_HOLE_v2 | Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref**, Ref** |
| 12 | WS2812B | kbd:LED_WS2812B-PLCC4 | LED1, LED2, LED3, LED4, LED5, LED6, LED28, LED29, LED30, LED31, LED32, LED33 |
| 8 | Breakaway_Tabs | kbd:Breakaway_Tabs | BT1, BT2, BT3, BT4, rBT1, rBT2, rBT3, rBT4 |
| 4 | 2.2k | kbd:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R4, R5, R9, R10 |
| 4 | Val** | MountingHole:MountingHole_2.2mm_M2 | Ref**, Ref**, Ref**, Ref** |
| 2 | 10k | kbd:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R2, R7 |
| 2 | 4.7k | kbd:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R3, R8 |
| 2 | 470 | kbd:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1, R6 |
| 2 | MJ-4PP-9 | kbd:MJ-4PP-9 | J2, J4 |
| 2 | MOUDLE-SEEEDUINO-XIAO | XIAO_PCB:MOUDLE14P-2WAY-2.54-21X17.8MM | U1, U2 |
| 2 | OLED | kbd:OLED | J1, J3 |
| 2 | SW_Slide-03_Wuerth-WS-SLTV_10x2.5x6.4_P2.54mm | Button_Switch_THT:SW_Slide-03_Wuerth-WS-SLTV_10x2.5x6.4_P2.54mm | PWR SW, PWR SW |
| 1 | VIN | kbd:TestPoint_THTPad_1.6x1.6mm_Drill0.8mm | TP1 |
| 1 | VIN_r | kbd:TestPoint_THTPad_1.6x1.6mm_Drill0.8mm | TP2 |
| 1 | [0, 4] | kbd:keyswitch_cherrymx_hotswap_1u | SW37 |
| 1 | [0, 5] | kbd:keyswitch_cherrymx_hotswap_1u | SW38 |
| 1 | [0, 6] | kbd:keyswitch_cherrymx_hotswap_1u | SW39 |
| 1 | [1, 0] | kbd:keyswitch_cherrymx_hotswap_1u | SW25 |
| 1 | [1, 2] | kbd:keyswitch_cherrymx_hotswap_1u | SW26 |
| 1 | [1, 3] | kbd:keyswitch_cherrymx_hotswap_1u | SW27 |
| 1 | [1, 4] | kbd:keyswitch_cherrymx_hotswap_1u | SW28 |
| 1 | [1, 5] | kbd:keyswitch_cherrymx_hotswap_1u | SW29 |
| 1 | [1, 6] | kbd:keyswitch_cherrymx_hotswap_1u | SW30 |
| 1 | [2, 0] | kbd:keyswitch_cherrymx_hotswap_1u | SW13 |
| 1 | [2, 1] | kbd:keyswitch_cherrymx_hotswap_1u | SW14 |
| 1 | [2, 3] | kbd:keyswitch_cherrymx_hotswap_1u | SW15 |
| 1 | [2, 4] | kbd:keyswitch_cherrymx_hotswap_1u | SW16 |
| 1 | [2, 5] | kbd:keyswitch_cherrymx_hotswap_1u | SW17 |
| 1 | [2, 6] | kbd:keyswitch_cherrymx_hotswap_1u | SW18 |
| 1 | [3, 0] | kbd:keyswitch_cherrymx_hotswap_1u | SW1 |
| 1 | [3, 1] | kbd:keyswitch_cherrymx_hotswap_1u | SW2 |
| 1 | [3, 2] | kbd:keyswitch_cherrymx_hotswap_1u | SW3 |
| 1 | [3, 4] | kbd:keyswitch_cherrymx_hotswap_1u | SW4 |
| 1 | [3, 5] | kbd:keyswitch_cherrymx_hotswap_1u | SW5 |
| 1 | [3, 6] | kbd:keyswitch_cherrymx_hotswap_1u | SW6 |
| 1 | [4, 4] | kbd:keyswitch_cherrymx_hotswap_1u | SW42 |
| 1 | [4, 5] | kbd:keyswitch_cherrymx_hotswap_1u | SW41 |
| 1 | [4, 6] | kbd:keyswitch_cherrymx_hotswap_1u | SW40 |
| 1 | [5, 0] | kbd:keyswitch_cherrymx_hotswap_1u | SW36 |
| 1 | [5, 2] | kbd:keyswitch_cherrymx_hotswap_1u | SW35 |
| 1 | [5, 3] | kbd:keyswitch_cherrymx_hotswap_1u | SW34 |
| 1 | [5, 4] | kbd:keyswitch_cherrymx_hotswap_1u | SW33 |
| 1 | [5, 5] | kbd:keyswitch_cherrymx_hotswap_1u | SW32 |
| 1 | [5, 6] | kbd:keyswitch_cherrymx_hotswap_1u | SW31 |
| 1 | [6, 0] | kbd:keyswitch_cherrymx_hotswap_1u | SW24 |
| 1 | [6, 1] | kbd:keyswitch_cherrymx_hotswap_1u | SW23 |
| 1 | [6, 3] | kbd:keyswitch_cherrymx_hotswap_1u | SW22 |
| 1 | [6, 4] | kbd:keyswitch_cherrymx_hotswap_1u | SW21 |
| 1 | [6, 5] | kbd:keyswitch_cherrymx_hotswap_1u | SW20 |
| 1 | [6, 6] | kbd:keyswitch_cherrymx_hotswap_1u | SW19 |
| 1 | [7, 0] | kbd:keyswitch_cherrymx_hotswap_1u | SW12 |
| 1 | [7, 1] | kbd:keyswitch_cherrymx_hotswap_1u | SW11 |
| 1 | [7, 2] | kbd:keyswitch_cherrymx_hotswap_1u | SW10 |
| 1 | [7, 4] | kbd:keyswitch_cherrymx_hotswap_1u | SW9 |
| 1 | [7, 5] | kbd:keyswitch_cherrymx_hotswap_1u | SW8 |
| 1 | [7, 6] | kbd:keyswitch_cherrymx_hotswap_1u | SW7 |
It measures 272 × 90.2 mm and has 2 copper layers, 1.6 mm thick.
234 parts, built around the WS2812B. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the tor-nky/coconut42 repository on GitHub, at the commit this page was made from: the board is PCB/coconut42.kicad_pcb and its schematic PCB/coconut42.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the CC-BY-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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