Link: Muni Breda Passenger Information on SFMTA Blog
Shamelessly, here's a link to SFMTA's blog post about the passenger information system we activated on the older Breda light rail vehicles which I configured and (through immense struggle) figured out how to integrate into the LRVs' legacy systems at an acceptable volume level.
Also here's me starring on the silver screen introducing the new functions:
Article & video on SFMTA.com: https://www.sfmta.com/blog/can-you-hear-us-now