Espressif Systems ESP32-S3-WROOM-1/1U Modules

Espressif Systems ESP32-S3-WROOM-1/1U Modules are 2.4GHz Wi-Fi® (802.11 b/g/n) and BLUETOOTH® 5 (LE) modules built around ESP32S3 series of SoCs, Xtensa® dual-core 32bit LX7 microprocessor. The ESP32-S3-WROOM-1/1U provides acceleration for neural network computing and signal processing workloads. The ESP32-S3-WROOM-1/1U Modules feature flash up to 16MB, PSRAM up to 8MB, 36 GPIOs, and a rich set of peripherals. Additionally, the devices have an onboard PCB antenna (ESP32-S3-WROOM-1) or an external antenna connector (ESP32-S3-WROOM-1U).

The Espressif Systems ESP32-S3-WROOM-1/1U Modules are an ideal choice for a wide variety of application scenarios related to AI and Artificial Intelligence of Things (AIoT). These include wake word detection, speech command recognition, face detection and recognition, smart home, smart appliances, smart control panel, and smart speaker.


  • CPU and on-chip memory
    • ESP32-S3 series of SoCs embedded, Xtensa® dual-core 32-bit LX7 microprocessor, up to 240MHz
    • 384KB ROM
    • 512KB SRAM
    • 16KB SRAM in RTC
    • Up to 8MB PSRAM
  • Wi-Fi
    • 802.11 b/g/n
    • A bit rate of 802.11n up to 150Mbps
    • A-MPDU and A-MSDU aggregation
    • 0.4μs guard interval support
    • Center frequency range of operating channel of 2412MHz ~ 2484MHz
  • Bluetooth
    • Bluetooth LE: Bluetooth 5, Bluetooth mesh
    • 2Mbps PHY
    • Long-range mode
    • Advertising extensions
    • Multiple advertisement sets
    • Channel selection algorithm #2
  • 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), ADC, touch sensor, temperature sensor, timers and watchdogs
  • Integrated components on the module
    • 40MHz crystal oscillator
    • Up to 16MB SPI flash
  • Antenna options
    • On-board PCB antenna (ESP32-S3-WROOM-1)
    • External antenna via a connector (ESP32-S3-WROOM-1U)
  • Operating Conditions
    • Operating voltage/Power supply of 3.0V ~ 3.6V
    • Operating ambient temperature:
      • 85°C version is -40°C ~ 85°C
      • 105°C version is -40°C ~ 105°C


  • Generic low-power IoT sensor hub
  • Generic low-power IoT data loggers
  • Cameras for video streaming
  • Over-the-top (OTT) devices
  • USB devices
  • Speech recognition
  • Image recognition
  • Mesh network
  • Home automation
  • Smart building
  • Industrial automation
  • Smart agriculture
  • Audio applications
  • Health care applications
  • Wi-Fi-enabled toys
  • Wearable electronics
  • Retail and catering applications

ESP32-S3-WROOM-1 Block Diagram

Block Diagram - Espressif Systems ESP32-S3-WROOM-1/1U Modules

ESP32-S3-WROOM-1U Block Diagram

Block Diagram - Espressif Systems ESP32-S3-WROOM-1/1U Modules
公開: 2021-08-31 | 更新済み: 2022-03-25