ESP32-WROOM-32E 16M 128Mbit Flash WiFi Bluetooth Module
ESP32-WROOM-32E 16M 128Mbit Flash WiFi Bluetooth Module - Image 2
SKU: IOWC-1867
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ESP32-WROOM-32E 16M 128Mbit Flash WiFi Bluetooth Module

₹459.00 (Inclusive of all taxes)
Out of Stock

The ESP32-WROOM-32E is a versatile Wi-Fi and Bluetooth module based on the ESP32-D0WD-V3 dual-core processor, featuring integrated PCB antenna and 16 MB flash for IoT applications. It is programmable via ESP-IDF, Arduino IDE, or MicroPython for tasks ranging from sensor networks to audio streaming.

Features

  • Dual-core ESP32-D0WD-V3 processor (Xtensa LX6) running at up to 240 MHz for demanding IoT applications.
  • Integrated 802.11b/g/n Wi-Fi with support for Station, SoftAP, and P2P modes, offering data rates up to 150 Mbps.
  • Dual-mode Bluetooth 4.2 supporting both Classic BR/EDR and Low Energy (BLE) for versatile wireless connectivity.
  • Includes 16 MB (128 Mbit) of external SPI flash and 520 KB SRAM for ample program and data storage.
  • Comprehensive hardware interfaces: GPIO, ADC, DAC, SPI, I2C, UART, I2S, PWM, capacitive touch, and CAN (TWAI).

Out of stock

Description

The ESP32-WROOM-32E module is a powerful, all-in-one wireless microcontroller unit designed for embedded IoT systems. It integrates a dual-core Xtensa LX6 CPU, Wi-Fi, Bluetooth, and substantial memory into a compact, surface-mount package with an onboard PCB antenna, simplifying RF design.

Engineered for low-power operation with multiple sleep modes, it is suitable for battery-powered sensor nodes and data loggers. Its rich peripheral set, including touch sensors and ADCs, enables direct interfacing with sensors and actuators without external components, making it a foundational building block for smart home, industrial automation, and audio applications.

Key Features

  • High-performance dual-core 32-bit LX6 microprocessor clockable up to 240 MHz.
  • Integrated 802.11b/g/n Wi-Fi with support for WPA/WPA2 enterprise security and AES hardware acceleration.
  • Dual-mode Bluetooth 4.2 (BR/EDR and BLE) for classic audio and low-energy sensor networks.
  • Generous 16 MB SPI flash memory for application code and file systems.
  • Extensive I/O capabilities including 12-bit ADC, 8-bit DAC, capacitive touch inputs, and CAN controller.
  • Advanced power management features for battery-operated designs with ultra-low-power co-processor.
  • On-module PCB antenna eliminates the need for external antenna matching and simplifies PCB layout.
  • Robust development ecosystem supported by Espressif's ESP-IDF, Arduino core, and MicroPython.

Applications

  • Low-power IoT sensor hubs and wireless data loggers for environmental monitoring.
  • Smart home automation devices, including smart switches, lighting controls, and security sensors.
  • Industrial automation systems for wireless telemetry, control, and mesh networking.
  • Audio applications such as internet music players, voice assistants, and Bluetooth speakers.
  • Prototyping and development of wearable electronics, health monitors, and connected toys.

Technical Specifications

Microcontroller/SoCESP32-D0WD-V3 (Xtensa Dual-Core 32-bit LX6)
CPU FrequencyUp to 240 MHz
Wireless ProtocolsWi-Fi 802.11b/g/n, Bluetooth 4.2 BR/EDR & BLE
Flash Memory16 MB (External SPI)
SRAM520 KB
ROM448 KB
RTC SRAM16 KB
Supply Voltage3.0V to 3.6V
Wi-Fi Data RateUp to 150 Mbps (802.11n)
Antenna ConnectorIntegrated PCB Antenna
InterfacesGPIO, ADC, DAC, SPI, I2C, UART, I2S, PWM, Touch, SDIO, TWAI (CAN)
SecurityWPA/WPA2/WPA2-Enterprise, AES/SHA/RSA/ECC Hardware Acceleration
Operating TemperatureStandard Commercial Range (Refer to Datasheet)
Dimensions (L x W)30 mm x 20 mm

Frequently Asked Questions

How do I program the ESP32-WROOM-32E module?

You can program it using Espressif's official ESP-IDF framework, the Arduino Core for ESP32 via the Arduino IDE, or MicroPython. Connect the module's UART0 pins (TX/RX) to a USB-to-serial adapter (e.g., CP2102, CH340) and set the boot pins appropriately for flashing. The typical baud rate for uploading code is 921600.

What is the power supply requirement for this module?

The ESP32-WROOM-32E requires a stable 3.3V power supply within the range of 3.0V to 3.6V. Peak current during Wi-Fi transmission can reach several hundred milliamps, so your power source or regulator must be capable of supplying sufficient current. For battery operation, utilize the chip's deep sleep modes to minimize average current consumption.

Can I use an external antenna with this module?

This specific variant comes with a permanently integrated PCB antenna. Modules designated with a 'U' suffix (e.g., ESP32-WROOM-32UE) feature an IPEX connector for an external antenna. To use an external antenna with this PCB antenna version, you would need to modify the RF trace, which is not recommended without proper RF expertise.

Package Includes

  • 1 x ESP32-WROOM-32E WiFi Bluetooth Module

Additional Information

Weight 0.01 kg
Dimensions 3 × 2 cm

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