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

Common software and hardware platform for a home automation system
Homectl hw is an open-source printed circuit board by 03vmate, from the 03vmate/homectl repository on GitHub. It is a 2-layer board of 64.3 × 75.7 mm with 30 parts on 53 nets, routed with 216 tracks and 0 vias.
Its parts include 8 capacitors, 7 connectors, 3 resistors, 3 ICs and 2 switches. It belongs with the RP2040 boards of this library.
Common software and hardware platform for a home automation system
KiCAD project for hardware platform. Utilizes a Pi Pico, and two stepper motor controller modules(TMC2208 or compatible and a DRV8825/A4988 or compatible). PCB layout optimized for DIY home PCB milling
| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C4, C5, C6 |
| 3 | M2 | Jumper:SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm | JP1, JP2, JP3 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3 |
| 2 | 220uF | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C7, C8 |
| 2 | Conn_01x08_Socket | Connector_JST:JST_PH_B8B-PH-K_1x08_P2.00mm_Vertical | J5, J6 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 1 | Barrel_Jack_Switch | Connector_BarrelJack:BarrelJack_Horizontal | J1 |
| 1 | DRV8825_mod | Custom:StepperModule | U3 |
| 1 | I2C | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J7 |
| 1 | Pico | footprints:RPi_Pico_SMD_TH | U1 |
| 1 | RST | Button_Switch_THT:SW_PUSH_6mm | SW2 |
| 1 | STP0 | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J2 |
| 1 | STP1 | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J3 |
| 1 | TRIG | Button_Switch_Keyboard:SW_Cherry_MX_1.00u_Plate | SW1 |
| 1 | WS | Connector_JST:JST_PH_B2B-PH-K_1x02_P2.00mm_Vertical | J4 |
| 1 | ~ | Custom:StepperModule | U2 |
The 26 most common of 30 parts.
It measures 64.3 × 75.7 mm and has 2 copper layers, 1.6 mm thick.
30 parts. 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 03vmate/homectl repository on GitHub, at the commit this page was made from: the board is homectl-hw/homectl-hw.kicad_pcb and its schematic homectl-hw/homectl-hw.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 03vmate before reusing the design.

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


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