Espressif ESP32-WROOM-32D 4M 32Mbit Flash WiFi Bluetooth Module

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,

1. Generic Low-power IoT Sensor Hub
2. Generic Low-power IoT Data Loggers
3. Cameras for Video Streaming
4. Over-the-top (OTT) Devices
5. Speech Recognition
6. Image Recognition
7. Mesh Network
8. Home Automation
9. Smart Building
10. Industrial Automation
11. Smart Agriculture
12. Audio Applications
13. Health Care Applications
14. Wi-Fi-enabled Toys
15. Wearable Electronics
16. Retail & Catering Applications

Specifications and Features:

1. ESP32-D0WD-V3 embedded, Xtensa dual-core
2. 32-bit LX6 microprocessor, up to 240 MHz
3. 448 KB ROM for booting and core functions
4. 520 KB SRAM for data and instructions
5. 16 KB SRAM in RTC
6. 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
7. Bluetooth
   Bluetooth V4.2 BR/EDR and Bluetooth LE specification
   Class-1, class-2 and class-3 transmitter
   AFH
   CVSD and SBC
8. 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
   Dimensions: See Table