The ESP-32S Wifi Bluetooth combo module is a high-performance and low-power wireless platform based on the ESPRESSIF ESP32 chipset.
The ESP-32S integrates a dual-core processor, 448 KByte ROM, 520 KByte SRAM, 16 KByte SRAM in RTC, 802.11 b/g/n/e/I Wi-Fi, Bluetooth v4.2 BR/EDR & BLE, clocks and timers, abundant peripheral interfaces, and a security mechanism.