4 layers288 × 135.4 mm
Keyboard v2
ben5049/Keyboard
Features: - Wireless - 900mAh battery - Bluetooth (nRF52) - ZMK - 4 Port USB hub - BLDC Knob for haptic feedback - Kailh Choc V1 switches
344 parts1Apache-2.0
2 layers78 × 37.5 mm
uConsole External I/O Breakout
- Size
- 78 × 37.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 25
- Nets
- 39
- Pads
- 163
- Tracks, vias
- 634, 63
- Pours
- 6
- Routed
- Yes
- KiCad
- KiCad 7 (file 20230620)
- Created
- 4 Jul 2023
- Updated
- 24 Nov 2023
Overview
Ext pcb is an open-source printed circuit board by 57Bravo, from the 57Bravo/uConsole_Ext_IO_Breakout repository on GitHub. It is a 2-layer board of 78 × 37.5 mm with 25 parts on 39 nets, routed with 634 tracks and 63 vias.
It is built around the SM04B-SRSS-TB(LF)(SN), GSB12J21C1EU and S2B-XH-A(LF)(SN), with the SFW15R-2STE1LF among its other parts. It belongs with the interfaces and adapters boards of this library.
Main components
4
SM04B-SRSS-TB(LF)(SN)
SMD,P=1mm,卧贴-25℃~+85℃ 1 1A 1mm 1x4P 2.9mm 4 4.32mm 4P 50V 6mm Auxiliary Solder Pin Copper alloy PA SH Surface Mount, Right Angle Tin UL94V-0 White SMD,P=1mm,卧贴 Wire To Board Connector ROHSJSTWire To Board ConnectorGSB12J21C1EU
Through holePlugin New Arrivals ROHSAmphenolUncategorised
S2B-XH-A(LF)(SN)
弯插,P=2.5mm-25℃~+85℃ 1 11.5mm 1x2P 2 2.5mm 250V 2P 3A 6.1mm 7.4mm Brass K Pin PA66 Right Angle Tin UL94V-0 White XH 弯插,P=2.5mm Wire To Board Connector ROHSJSTWire To Board Connector
SFW15R-2STE1LF
SMD,P=1mm,卧贴-55℃~+105℃ 0.3mm 15P 1mm 2.7mm Phosphor bronze Slide Lock Surface Mount, Right Angle Tin Top Contact SMD,P=1mm,卧贴 FFC, FPC (Flat Flexible) Connector Assemblies ROHSAmphenolFFC, FPC (Flat Flexible) Connector Assemblies
README
README.mduConsole External I/O Breakout - REV: A
BEWARE!!! --- THIS DESIGN HAS NOT BEEN VERIFIED --- BEWARE!!!
This is a generic breakout board for ClockWorkPI's uConsole. I didn't order the cellular module, and wanted to use the external I/O slot. Here's the "REV: A" SWAG based off of renderings of the PCB.
I have not verified this design. Once I get the boards back from OshPark, stuffed, and tested on the uConsole; I'll tag a release.
Also, I don't work for CPI, and this is not an official board from them. I just threw their logo on there, since the uConsole is their gear. Show CPI some love, and checkout their products! :)
https://github.com/clockworkpi/uConsole/blob/master/clockwork_Adapter_CM4_Schematic.pdf
https://github.com/clockworkpi/DevTerm/tree/main/Schematics
REV: A
Epic fail on REV: A.
When I made it, CPI hadn't released the DXF for the 4G card yet. I had to eyeball the board outline based on the website images. I missed the outer edge by 1mm.
Luckily the edge was just ground plane, and I was able to file the FR4 back to get it to fit. Continuity checks out, but.... I think a REV: B is in order ha.
The fixes for REV: B are:
- fix the board outline to account for the thicker enclosure wall
- refactor the audio so that the onboard speakers can be used instead of the JSTs
- flip the QWIIC connectors so they don't interfere with the speaker housings
- pull the USB connectors in a little so they're flush with the enclosure wall
Notes
Other boards made by Quadbit (Vitaly Domnikov), that you can buy on Tindie
Parts
25| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | LOGO | LOGO | G***, G***, G***, G***, G***, G***, G***, G***, G*** |
| 3 | SM04B-SRSS-TB(LF)(SN) | 1_project:JST_SM04B-SRSS-TB(LF)(SN) | J7, J8, J9 |
| 2 | GSB12J21C1EU | 1_project:GSB12J21C1EU | J2, J3 |
| 2 | S2B-XH-A(LF)(SN) | 1_project:JST_S2B-XH-A(LF)(SN) | J5, J6 |
| 1 | Conn_02x07_Counter_Clockwise | Connector_PinHeader_2.54mm:PinHeader_2x07_P2.54mm_Vertical | J4 |
| 1 | SFW15R-2STE1LF | 1_project:AMPHENOL_SFW15R-2STE1LF | J1 |
| 1 | ~ | 1_project:ext_card_fp | P1 |
The 19 most common of 25 parts.
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Questions
How big is the Ext pcb PCB?
It measures 78 × 37.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Ext pcb use?
25 parts, built around the SM04B-SRSS-TB(LF)(SN), GSB12J21C1EU, S2B-XH-A(LF)(SN) and SFW15R-2STE1LF. 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.
Where can I download the Ext pcb KiCad files?
From the 57Bravo/uConsole_Ext_IO_Breakout repository on GitHub, at the commit this page was made from: the board is pcb/ext_pcb/ext_pcb.kicad_pcb and its schematic pcb/ext_pcb/ext_pcb.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Ext pcb design in my own project?
Its repository states no licence, so its author keeps all rights: ask 57Bravo before reusing the design.