├── HelloServer # WebServer using ETH
├── SDWebServer # SDWebServer using ETH
├── SPIExample # SPI initialization example
├── UnitTestExample # ETH example
└── WireExample # Wire initialization example
- Note: When the SD card is inserted, it cannot be programmed, you need to remove the SD card before programming
# main points
Board -> ESP32 Dev Module
PSRAM -> Disable