2.4 GHz Wi-Fi (802.11b/g/n) and Bluetooth® 5 moduleBuilt around ESP32-S3 series of SoCs, Xtensa® dual-core 32-bit LX7 microprocessorFlash up to 16 MB, PSRAM up to 16 MBUp to 36 GPIOs, rich set of peripheralsExternal antenna connector
