Espressif ESP32-Ethernet-Kit-VE Development Board w/ PoE

To use PoE, connect a standard Ethernet cable from a compatible IEEE 802.3af PoE switch or injector to the board's RJ45 jack. The board will draw power directly from the Ethernet cable. Ensure your network equipment provides the correct voltage (typically 48V) on the data pairs. No separate USB or DC power connection is required when using a properly configured PoE source.

The board is fully supported by Espressif's official ESP-IDF (IoT Development Framework) for advanced features and low-level control. It is also compatible with the Arduino Core for ESP32 via the Arduino IDE for simpler sketches, and with PlatformIO for a professional embedded workflow. You can program it via the onboard USB-to-UART bridge by selecting the correct COM port and board model in your chosen IDE.

Yes, the exposed JTAG header allows for hardware debugging. You will need a compatible JTAG debugger probe, such as an ESP-PROG, Segger Segger, or FT2232H-based adapter. Connect the probe's pins (TDI, TDO, TCK, TMS, GND) to the corresponding header on the board. Then, configure your ESP-IDF or OpenOCD environment to use the JTAG interface for stepping through code, setting breakpoints, and inspecting registers.

The 8MB of external PSRAM (Pseudo Static RAM) expands the available memory for data-intensive tasks, such as buffering large network packets, handling graphics, or processing audio. To use it in ESP-IDF, enable the 'Support for external, SPI-connected RAM' option in menuconfig. In Arduino, you can allocate memory to the PSRAM heap using functions like heap_caps_malloc() with the MALLOC_CAP_SPIRAM flag. It is not used by default.