Reverse engineer as 'bgolab' suggests. It looks like a great board to have if you are into figuring things out.So still no clue how make this work....
First thing I would do is take a multi-meter and do some point-to-point track tracing with it powered off. See which ESP pins connect to the board edge connections.
Statistics: Posted by hippy — Sun Dec 17, 2023 9:31 pm