First thing worth checking is the power supply to the esp32. I can't count the number of times I have wasted hours chasing weird error messages etc. only to finally realise it is a power problem.... On my board I have few LDOs, one for esp32, one for sd card. Both are present and equal to 3.3V. I f...

I'm develop custom board with ESP32-D0WD. It uses sd card for loging information. Every time I'm trying to write to sd card i'm getting errors. Connection between MCU and sd card are same as on lyrat4.3: SD_CLK -> MTMS (Pin 17) SD_D2 -> MTDI (Pin 18) SD_D3 -> MTCK (Pin 20) SD_CMD -> MTDO (Pin 21) SD...