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

Adapter for fast battery and data storage connection. Compatible with BATDATUNIT01
BATDATSOCKET01 is an open-source printed circuit board by mlab-modules, from the mlab-modules/BATDATSOCKET01 repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 23.6 × 85.9 mm with 15 parts on 30 nets, routed with 149 tracks and 3 vias.
Its parts include 3 connectors, 2 resistors and 2 diodes. It belongs with the power boards of this library.
The BATDATSOCKET01 is a complementary module to the battery and data module BATDATUNIT01. It is a reliable power source for extended durations, making it an integral component in a wide array of detectors or measuring systems.
The BATDATUNIT01 is designed for versatility:
For more detailed information on interfacing and protocols, please refer to the BATDATUNIT01 documentation.
Designed for convenience, the module allows for fast detachment from the measuring part without tools, streamlining the replacement process. Data can be downloaded during battery charging thanks to onboard memory.
flowchart TD
subgraph a[User interfaceI]
USB[[USB-C\nData + power]]
UI1([User interface \n Button + battery indicator])
UI2([User interface \n Button + 3x LED])
end
USB --USB --> USW
FTDI -- I2C --> I2CSW
FTDI -- UART <--> MCU
MCU -- I2C --> I2CSW[I2C mux]
MCU[Microcontroller]
MCU --SPI <--> SDW
MCU --> SDW
subgraph one[Memory interface]
SDR[SD card] <--> SDI
SDI[SD card interface] <--> USW
USW[USB-SWITCH]
SDW[SD card \n SPI-SWITCH] <--> SDI
endA durable connector brings together data and detection elements with impressive mechanical resilience. It hosts UART, I2C, SPI buses, and extra GPIO signals, providing extensive interfacing options with various systems.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | M3 | Mlab_Mechanical:MountingHole_3mm | H1, H2, H3, H4 |
| 2 | 270R | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 2 | Battery+ | TestPoint:TestPoint_Pad_4.0x4.0mm | TP1, TP2 |
| 2 | LED 0805 | LED_SMD:LED_0805_2012Metric | D1, D2 |
| 1 | 46436-9327 | Mlab_CON:MOLEX_46437-9327 | J1 |
| 1 | HEADER_2x03_PARALLEL | Mlab_Pin_Headers:Straight_2x03 | J3 |
| 1 | HEADER_2x15 | Connector_PinSocket_2.54mm:PinSocket_2x15_P2.54mm_Vertical | J2 |
| 1 | Jumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | Jumper_3_Bridged12 | Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm | JP1 |
It measures 23.6 × 85.9 mm and has 2 copper layers, 1.6 mm thick.
15 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 mlab-modules/BATDATSOCKET01 repository on GitHub, at the commit this page was made from: the board is hw/sch_pcb/BATDATSOCKET01.kicad_pcb and its schematic hw/sch_pcb/BATDATSOCKET01.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the GPL-3.0 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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