Driver: Ocpp-809
The OCP-809 is a high-performance LED Sender Card (also known as a sending card). These components are critical parts of the control system for large-scale LED displays. The "driver" or firmware associated with the OCP-809 ensures that the card can take video input from a computer or media player and distribute it correctly to the LED receiver cards attached to the screen panels.
The Series 4 units were old. Not "vintage" old, but "firmware-last-updated-in-2016" old. They spoke JSON, technically, but it was a dialect of OCPP 1.5 that seemed to ignore half the schema. The client wanted these units managed by a modern Central System running OCPP 2.0.1. ocpp-809 driver
To understand the driver, you must visualize the "Stack" of EV charging communication. The OCP-809 is a high-performance LED Sender Card