Raspberry Pi 4B Dual Micro HDMI Breakout

1 year ago 1788
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

A design to break out the dual micro HDMI ports out to a panel adjacent to the USB/Ethernet ports.

All traces are length matched on high speed differential signals.

This design has not been tested yet, it is currently in production (04/2020)

This has been deisgned to use the BossCon HDD-M-CN09 micro HDMI board edge connectors. Other types will not fit as they all have slightly varying pin spacing and at this pitch they need to be exact. The board needs to be 1mm thick.

Please feel free to copy and use on your personal projects, but please be aware it is currently untested. (prototype is currently in production (04/2020))

05/20 Prototypes arrived and assembled, all tested and working well.

Documents

Sheet_1

PCB_2020-04-16 15:07:48

BOM

ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Manufacturer BOM_Supplier BOM_Supplier Part
1 Micro HDMI D Board Edge Mount V2 CN1,CN2 MICRO HDMI D BOARD EDGE CONNECTOR V2 NARROW 2 HDD-M-CN09 BossCon BossConn HDD-M-CN09
2 HDMI-019S HDMI2,HDMI1 HDMI-SMD_HDMI-019S 2 HDMI-019S SOFNG LCSC C111617

Attachments

None

Members

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Comments (3)

amnesie Reply

This is really cool, exactly what I was looking for! I like to add audio-connector, too. Did you had the time to test your board, because you mentioned, that it is currently not tested... Greetings! -Daniel

eddperks Reply

@amnesie Hi Daniel, yes the board works very well. I did want to add the 3.5mm audio jack but the geometry of the sockets made this difficult, mainly because I could not source a 3.5mm jack that sits 'through' a PCB cutout so that it lines up with the micro HDMI sockets. For now I have just stripped soldered a breakout to the Pi.


Cheers,


Edd

amnesie Reply

@eddperks Thank you Edd! I am really happy to hear this. I give it a try with my next order here. Greetings from Germany! Daniel

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