Espressif ESP32-S3-BOX-3

Espressif's official AIoT 3rd generation development kit. Features ESP32-S3-WROOM-1 + 16MB Flash + 16MB Octal PSRAM, 2.4-inch SPI touch LCD (320x240), dual digital microphones, and a 3-axis gyro + accelerometer sensor. USB Type-C for power/programming, 16 GPIO pins provided via PCIe expansion connector, listed on Device-Side AEC whitelist. Specifications Chip ESP32-S3R16V Module ESP32-S3-WROOM-1 Flash 16MB PSRAM 16MB Octal Display Size 2.4inch Display Type IPS LCD (SPI) Resolution 320x240 Driver (SPI touch screen) Touch Yes Speaker Yes Speaker Details Built-in speaker Mic Type dual Mic Details Two digital microphones Audio Codec (not specified in HW overview) Communication WiFi 2.4GHz, Bluetooth 5 (LE) Sensor 3-axis Gyroscope, 3-axis Accelerometer USB Type-C Number of Buttons 3 Number of GPIOs 16 (via PCIe connector) Documentation xiaozhi-esp32 Repository Kconfig.projbuild (BOARD_TYPE_ESP_BOX_3) Reference LinksEspressif: https://github.com/espressif/esp-box NotesActive marketing status (official). Listed on AEC whitelist. BOX-3B (simplified version) is a separate shipment in the same series. Pricing (2026-05-05): Source: $44.99 USD (espressif-official), retail = source × 2 × 155 JPY/USD = ¥13950