System identity / status (chip, app, partitions, reset reason, uptime, heap) and restart control (reboot, reboot into the ROM bootloader), plus a framed stream service and a browser console (WebUSB / Web Serial)
Native USB host (ESP-IDF USB Host library + usb_host_hid): enumerate and talk to USB HID devices (mice, keyboards, gamepads, vendor HID) from an ESP32-S2/-S3/-P4
Waveshare ESP32-P4-WIFI6-POE-ETH Board Support Package (BSP) component in C++ (PoE-capable Ethernet, ES8311 audio, internal I2C; on-board ESP32-C6 for Wi-Fi 6 via ESP-Hosted)