I'm testing the UART connected to the Grove connector, but can't find the correct pin number it's connected to.
According to V1.3_Schematic, this should be pin 50 for U0RXD and 49 for U0TXD, but this does not work. PINMAP in Github only shows pinout for the T-Camera Plus.
Using Arduino IDE 2.1.1
https://github.com/Xinyuan-LilyGO/LilyGo-Camera-Series/blob/master/docs/T_SIMCAM.md