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    ESP32-WROOM-32E-H4

    ESP32-WROOM-32E and ESP32-WROOM-32UE are two powerful, generic Wi-Fi + Bluetooth + Bluetooth LE
    MCU modules that target a wide variety of applications, ranging from low-power sensor networks to the most
    demanding tasks, such as voice encoding, music streaming and MP3 decoding.
    ESP32-WROOM-32E comes with a PCB antenna, and ESP32-WROOM-32UE with a connector for an external
    antenna. The information in this datasheet is applicable to both modules.

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      SPECIFICATION

      CPU and On­Chip Memory
      • ESP32-D0WD-V3 or ESP32-D0WDR2-V3
      embedded, Xtensa dual-core 32-bit LX6
      microprocessor, up to 240 MHz
      • 448 KB ROM
      • 520 KB SRAM
      • 16 KB SRAM in RTC
      • ESP32-D0WDR2-V3 also provides 2 MB PSRAM
      Wi­Fi
      • 802.11b/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 V4.2 BR/EDR and Bluetooth LE
      specification
      • Class-1, class-2 and class-3 transmitter
      • AFH
      • CVSD and SBC
      Peripherals
      • SD card, UART, SPI, SDIO, I2C, LED PWM,
      Motor PWM, I2S, IR, pulse counter, GPIO,
      capacitive touch sensor, ADC, DAC, TWAI®
      (compatible with ISO 11898-1, i.e. CAN
      Specification 2.0)
      Integrated Components on Module
      • 40 MHz crystal oscillator
      • 4/8/16 MB SPI flash
      Antenna Options
      • ESP32-WROOM-32E: On-board PCB antenna
      • ESP32-WROOM-32UE: external antenna via a
      connector
      Operating Conditions
      • Operating voltage/Power supply: 3.0 ~ 3.6 V
      • Operating ambient temperature:
      – 85 °C version: –40 ~ 85 °C
      – 105 °C version: –40 ~ 105 °C. Note that
      only the modules embedded with a 4/8 MB
      flash support this version.
      Certification
      • Bluetooth certification: BQB
      • RF certification: See certificates for
      ESP32-WROOM-32E and
      ESP32-WROOM-32UE
      • Green certification: REACH/RoHS
      Reliability Test
      • HTOL/HTSL/uHAST/TCT/ESD