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Guo-Rong Koh
Published © MIT

pico-cec: HDMI CEC to USB keyboard adapter

HDMI CEC to USB HID keyboard adapter

IntermediateWork in progress1 hour3,772
pico-cec: HDMI CEC to USB keyboard adapter

Things used in this project

Hardware components

Seeed Studio XIAO RP2040
Seeed Studio XIAO RP2040
Provides the compute power and the USB HID keyboard when plugged into a USB port.
×1
HDMI female/male passthrough adapter
Provides secure access to the HDMI CEC line. HDMI in from player, HDMI out to display.
×1

Software apps and online services

FreeRTOS

Hand tools and fabrication machines

3D Printer (generic)
3D Printer (generic)

Story

Read more

Custom parts and enclosures

Partially assembled enclosure

Partially assembled enclosure showing the various components.

Github

Schematics

XIAO RP2040 to HDMI port pin out.

Basic wiring for HDMI CEC and DDC connectivity.

XIAO RP2040 to HDMI passthrough adapter

Very simple wiring from XIAO RP2040 GPIO to HDMI passthrough adapter.

Code

Github

Credits

Guo-Rong Koh
1 project • 1 follower
Contact

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