Espressif 
CPU and OnChip Memory
• ESP32-S2 or ESP32-S2R2 embedded, Xtensa single-core 32bit LX7 microprocessor, up to 240MHz
• 128KB ROM
• 320KB SRAM
• 16KB SRAM in RTC
WiFi
• 802.11 b/g/n
• Bit rate: 802.11n up to 150Mbps
• A-MPDU and A-MSDU aggregation
• 0.4µs guard interval support
• Operating frequency: 2412 ~ 2484MHz
Peripherals
• GPIO, SPI, LCD, UART, I2C, I2S, Camera interface, IR, pulse counter, LED PWM, TWAI (compatible with ISO 11898-1, i.e. CAN Specification 2.0), full-speed USB OTG, ADC, DAC, touch sensor, temperature sensor.
Integrated Components on Module
• 40MHz crystal oscillator
• 4MB SPI flash
Antenna Options
• External antenna via a connector (ESP32-S2-SOLO-U)
Operating Conditions
• Operating voltage/Power supply: 3.0 ~ 3.6V
• Operating ambient temperature: –40 ~ 85°C
