ESP32-S3 Mini Development Board with Pre-Soldered Header, Based on ESP32-S3FH4R2 Dual-Core Processor. Equipped with Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency; Supports 2.4GH z W--i-F--i ( 802.11 b/g/n) and Blue--too--th 5 (LE). Built in 512KB of SRAM and 384KB ROM, onboard 4MB Flash memory and 2MB PSRAM; Supports flexible clock, module power supply independent setting, and other controls to realize low power consumption in different scenarios; Integrated with USB serial port full-speed controller, 24 x GPIO pins allows flexibly configuring pin functions; 4 x SPI, 2 x I2C, 3 x UART, 2 x I2S, 2 x ADC, etc.