Hi @liaifat85, thanks very much for taking the time to reply. Ok, so level converter makes sense, but I'm wondering the best approach to implementing it on an existing development board. Should I break into the board trace and try to add the level converter? Or throw the board in the bin (or just us...

Hi All, A while back I purchased an ESP32-S3-DevKitC-1 (version 1.0), which has an on-board RGB LED controlled via GPIO48. I understand there has been a hardware revision to resolve a 1.8v SPI supply issue (which GPIO47/48 use instead of the regular GPIO supply due to PSRAM) and hence the control fo...