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

Steering pcb is an open-source printed circuit board by mxcd, from the mxcd/bobbycar repository on GitHub. It is a 2-layer board of 154 × 47 mm with 11 parts on 30 nets.
Its parts include 2 resistors and 2 diodes. It belongs with the AVR (ATmega, ATtiny) boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 56R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R2 |
| 2 | Conn_01x04_Pin | Connector_JST:JST_PH_B4B-PH-K_1x04_P2.00mm_Vertical | DISP1, J1 |
| 2 | Conn_01x06_Pin | Connector_JST:JST_PH_B6B-PH-K_1x06_P2.00mm_Vertical | POT_L1, POT_R1 |
| 2 | LED | LED_THT:LED_D5.0mm_Horizontal_O3.81mm_Z3.0mm | D1, D2 |
| 2 | SW_Push | Button_Switch_SMD:SW_SPST_PTS645 | DMS1, DMS2 |
| 1 | Arduino_Nano_v3.x | Module:Arduino_Nano | A1 |
It measures 154 × 47 mm and has 2 copper layers, 1.6 mm thick.
11 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 mxcd/bobbycar repository on GitHub, at the commit this page was made from: the board is steering-pcb/steering-pcb/steering-pcb.kicad_pcb and its schematic steering-pcb/steering-pcb/steering-pcb.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 mxcd before reusing the design.

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


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