- add switch configure DMX512 line termination (loop back to D2 so the XLR chain can continue, end using a termination resistor, or continue forwarding to other port
- change DC-DC buck converter to TPS54560 for large input voltage (e.g. 48V power supply and batteries)
- WiFi does not work because of missing [copper clearance around the antenna](https://espressif.com/sites/default/files/documentation/esp32-s2_hardware_design_guidelines_en.pdf).
- KF141R footprint is not long enough (not really an issue)
- LED cables need to be stripped ~ 10 mm to fit it KF141R (minor inconvenience)