Espressif ESP32-WROOM-32E is a Wi-Fi+BT+BLE MCU module that targets 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 for Bluetooth and Wifi connectivity. These modules are featured with a 4 to 16 MB external SPI flash.

There are a wide range of application for ESP32-WROOM-32E like,

• Generic Low-power IoT Sensor Hub
• Generic Low-power IoT Data Loggers
• Cameras for Video Streaming
• Over-the-top (OTT) 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 & Catering Applications.

Specifications and Features:

• ESP32-D0WD-V3 embedded, Xtensa dual-core
• 32-bit LX6 microprocessor, up to 240 MHz
• 448 KB ROM for booting and core functions
• 520 KB SRAM for data and instructions
• 16 KB SRAM in RTC
• WiFi
  802.11b/g/n
  Bit rate: 802.11n up to 150 Mbps
  A-MPDU and A-MSDU aggregation
  0.4 s 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
• Hardware
  Interfaces: SD card, UART, SPI, SDIO, I2C, LED
  PWM, Motor PWM, I2S, IR, pulse counter, GPIO,
  capacitive touch sensor, ADC, DAC, Two-Wire
  Automotive Interface (TWAI, compatible with
  ISO11898-1)
  40 MHz crystal oscillator
  4 MB SPI flash
  Operating voltage/Power supply: 3.0 ~ 3.6 V
  Operating temperature range: 40 ~ 85 C

*Note: Product Image are shown for illustrative purposes only and may different from the actual product.