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google/mozc-devices
Circuit diagrams and firmware source code for Gboard DIY keyboards

v1.0.0
Devboard is an open-source printed circuit board by ahammed-shaz, from the ahammed-shaz/KiberovDev repository on GitHub. It is a 2-layer board of 32 × 29 mm with 43 parts on 39 nets, routed with 316 tracks and 15 vias.
It is built around the SK6812MINI-E. Its parts include 17 capacitors, 9 resistors, 4 connectors, 2 ICs and 2 switches. It belongs with the microcontroller boards boards of this library.
my own rp2040 devboard made for the macondo build a devboard mission.
the board is 2 layer and i did all the routing myself. i also added a gnd copper layer on the bottom and custom stuff on the silkscreen including my github.
i made the schematic and pcb in kicad. this was my first proper pcb and i learned how power nets, routing, vias, ground planes and footprints actually work instead of just copying the guide.
the production files include the gerbers, drill files, bom and cpl files. the jlcpcb cart is also set up with the parts needed for assembly.
my github: [add your github link here]
pcb is finished and the production files are ready. now just waiting to get the board manufactured and test it.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C2, C3, C4, C5, C6, C7, C8, C9, C11, C12, C17 |
| 3 | 1K | Resistor_SMD:R_0402_1005Metric | R5, R6, R7 |
| 2 | 10uF | Capacitor_SMD:C_0201_0603Metric | C13, C14 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C1, C10 |
| 2 | 27 | Resistor_SMD:R_0402_1005Metric | R3, R4 |
| 2 | 33pF | Capacitor_SMD:C_0402_1005Metric | C15, C16 |
| 2 | 5.1K | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 2 | Conn_01x07 | Connector_PinHeader_2.54mm:PinHeader_1x07_P2.54mm_Vertical | J5, J6 |
| 2 | SW_Push | Button_Switch_SMD:SW_Push_SPST_NO_Alps_SKRK | SW1, SW4 |
| 1 | 10K | Resistor_SMD:R_0402_1005Metric | R8 |
| 1 | 10k | Resistor_SMD:R_0402_1005Metric | R11 |
| 1 | 12 MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | Conn_01x03 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2 |
| 1 | LOGO | demo.preety:ouroboros | G*** |
| 1 | LOGO | demo.preety:tiger | G*** |
| 1 | LOGO | demo.preety:handsdemo1 | G*** |
| 1 | MCP1700x-330xxTT | Package_TO_SOT_SMD:SOT-23 | U4 |
| 1 | SK6812MINI | LED_SMD:LED_SK6812MINI_PLCC4_3.5x3.5mm_P1.75mm | D1 |
| 1 | USB_C_Receptacle_USB2.0_14P | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | W25Q16JVZPIQ TR | Package_SON:Winbond_USON-8-1EP_3x2mm_P0.5mm_EP0.2x1.6mm | U3 |
The 39 most common of 43 parts.

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It measures 32 × 29 mm and has 2 copper layers, 1.6 mm thick.
43 parts, built around the SK6812MINI-E. 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 ahammed-shaz/KiberovDev repository on GitHub, at the commit this page was made from: the board is production/devboard.kicad_pcb and its schematic production/devboard.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask ahammed-shaz before reusing the design.