Optical Audio Output for Raspberry Pi (1A+/1B+/2/3) (1A/1B could be connected with cables but it doesn't fit directly) Hardware can also be modified to an optical input or S/PDIF in-/output with RCA plugs (no software for input tried yet) Hardware is the same like HifiBerry Digi+ but much smaller Software is included in OpenElec/LibreElec/etc and just needs to be activated (only 1 line in the config.txt)
Most TVs can't forward DolbyDigital/DTS 5.1 streams from HDMI to the optical output or HDMI ARC. (They can only output 5.1 streams which are generated by the TV and 5.1 streams which come over HDMI are always converted to a 2.0 stream.) So I wanted to have a optical output for my RaspberryPi media center (OpenElec/LibreElec) to get the 5.1 stream directly to my 5.1 surround system. (Buying a audio extractor which extracts the audio signal from HDMI would have been also a possibility but most of them cost more than 50USD and there are often problems with HDMI CEC if you use this.)
Very small and fits in almost any case - only a hole for the connector needs to be made Pins in the middle are free (e.g. SPI port) - in my case I have a ambilight connected here
If it is sold out, please just join the waitlist - new boards will be available soon. DIY Kits for people with good solerding skills are also available. If you only want a PCB or special parts please just contact me.
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Electronic enthusiast with passion for microcontrollers who wants to share some stuff also with others