Espressif 
CPU and On-Chip Memory
• ESP32-S3 embedded, Xtensa® dual-core 32-bit LX7 microprocessor, up to 240 MHz
• 384 KB ROM
• 512 KB SRAM
• 16 KB SRAM in RTC
• 8 MB Quad SPI flash
Wi-Fi
• 802.11 b/g/n
• Bit rate: 802.11n up to 150 Mbps
• A-MPDU and A-MSDU aggregation
• 0.4 µs guard interval support
• Center frequency range of operating channel: 2412 ~ 2484 MHz
Bluetooth
• Bluetooth LE: Bluetooth 5, Bluetooth mesh
• Speed: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps
• Advertising extensions
• Multiple advertisement sets
• Channel selection algorithm #2
• Internal co-existence mechanism between Wi-Fi and Bluetooth to share the same antenna
Peripherals
• GPIO, SPI, LCD interface, Camera interface, UART, I2C, I2S, remote control, pulse counter, LED PWM, USB 1.1 OTG, USB Serial/JTAG controller, MCPWM, SDIO host, GDMA, TWAI® controller (compatible with ISO 11898-1, i.e. CAN Specification 2.0), ADC, touch sensor, temperature sensor, timers and watchdogs
Integrated Components on Module
• 40 MHz crystal oscillator
Antenna Options
• External antenna via a connector (ESP32-S3-MINI-1U)
Operating Conditions
• Operating voltage/Power supply: 3.0 ~ 3.6 V
• Operating ambient temperature: –40 ~ 85 °C
