WLAN+BT 5 (LE): 【Without Welding】ESP32-S3 integrates 2.4 GHz WLAN (802.11 b/g/n) and supports 40 MHz bandwidth. Its BT low-power system supports BT 5 (LE) and BT mesh. Wide Range of IO Interfaces: ESP32-S3 has 45 programmable GPIO and general-purpose peripheral interfaces such as SPI, I2S, I2C, PWM, RMT, ADC, UART, SD/MMC host controller, and TWAIM controller. Powerful Performance: Xtensa 32-bit LX7 dual core processor with speeds up to 240 MHz. Built in 512 KB SRAM, 384 KB ROM storage, supports multiple external SPI, dual SPI, quad SPI, eight SPI, QPI, OPI flash memory, and off chip RAM. The ESP32-S3 MCU WI-FI also supports infrastructure network station mode (infrastructure BSS), SoftAP mode, and station+SoftAP hybrid mode. The ESP32-S3 is Equipped with an ultra-low power co processor (ULP) that supports multiple low-power modes and is widely applicable to various low-power application scenarios. 2-PCS ESP32-S3 core board development board compatible with DevKitC-1 WROOM-1