ESP32-WROVER WiFi Bluetooth Module 8MB Flash 64MB PSRAM
ESP32-WROVER WiFi Bluetooth Module 8MB Flash 64MB PSRAM - Image 2
SKU: IOWC-1859
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ESP32-WROVER WiFi Bluetooth Module 8MB Flash 64MB PSRAM

₹349.00 (Inclusive of all taxes)
Out of Stock

The ESP32-WROVER module integrates dual-core Xtensa LX6 processors, 8MB SPI flash, and 64MB PSRAM for high-performance Wi-Fi (802.11 b/g/n) and Bluetooth 4.2 (BR/EDR/BLE) applications, supporting battery-powered IoT devices with ultra-low sleep currents below 5 μA.

Features

  • Dual-core ESP32 SoC with 8MB flash and 64MB PSRAM for demanding IoT tasks like audio streaming and sensor networks.
  • Integrated 2.4GHz Wi-Fi (802.11 b/g/n up to 150 Mbps) and Bluetooth 4.2 BR/EDR/BLE for versatile wireless connectivity.
  • Ultra-low power operation with sleep currents under 5 μA, ideal for battery-powered and wearable electronics.
  • Rich peripheral set includes capacitive touch, Hall sensor, SD card, Ethernet, SPI, UART, I2S, and I2C interfaces.
  • Fully certified module with integrated antenna, RF balun, power amplifier, and less than 10 external components required.

Out of stock

Description

The ESP32-WROVER is a fully integrated wireless MCU module built around the Espressif ESP32 dual-core Xtensa LX6 processor, clockable from 80 MHz to 240 MHz. It combines 8MB of external SPI flash with 64MB of SPI Pseudo Static RAM (PSRAM), providing substantial memory for complex firmware, audio buffers, graphics frames, or web server applications. The module targets a wide spectrum from low-power sensor networks to demanding edge computing tasks like voice encoding, music streaming, and MP3 decoding.

Its RF subsystem integrates the antenna switch, balun, power amplifier, low-noise amplifier, filters, and power management, requiring minimal external components. With a transmit power up to +19.5 dBm and a receiver sensitivity of –97 dBm, it ensures robust wireless links. The module supports both Classic Bluetooth for legacy audio profiles and Bluetooth Low Energy for beacon broadcasting and low-power peripheral connections, making it a versatile core for smart home, industrial telemetry, and wearable device designs.

Key Features

  • Dual-core Xtensa LX6 microprocessor with clock frequency adjustable from 80 MHz to 240 MHz.
  • Integrated 8MB SPI flash and 64MB PSRAM for data-intensive applications and Over-the-Air (OTA) updates.
  • Comprehensive wireless suite: 2.4GHz 802.11 b/g/n Wi-Fi and Bluetooth 4.2 with BR/EDR and BLE support.
  • Advanced power management with fine-resolution clock gating, multiple power modes, and dynamic scaling for battery operation.
  • Rich set of built-in peripherals: capacitive touch sensors, Hall sensor, SD card interface, Ethernet, high-speed SPI, UART, I2S, and I2C.
  • Fully certified RF design with integrated antenna, simplifying FCC/CE compliance for end products.
  • High output power (+19.5 dBm) and excellent receiver sensitivity (–97 dBm) for extended wireless range.
  • Ultra-low deep sleep current of less than 5 μA, enabling years of operation on battery power.

Applications

  • Smart home automation hubs and connected sensor nodes.
  • Industrial IoT (IIoT) telemetry and wireless control systems.
  • Wearable electronics and fitness trackers with Bluetooth connectivity.
  • Audio streaming devices, MP3 decoders, and voice-controlled assistants.
  • Battery-powered environmental monitoring stations and data loggers.
  • Prototyping and development with Arduino IDE, ESP-IDF, or MicroPython.

Technical Specifications

Microcontroller/SoCEspressif ESP32 dual-core Xtensa LX6
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth v4.2 BR/EDR & BLE
Frequency Range2.4 GHz – 2.5 GHz
RF Transmit PowerUp to +19.5 dBm
Receiver Sensitivity–97 dBm (NZIF receiver)
Supply Voltage3.0 V – 3.6 V
Operating Current~500 mA (typical)
Deep Sleep Current< 5 μA
InterfacesSPI, UART, I2C, I2S, SD Card, Ethernet, Capacitive Touch GPIO, Hall Sensor
Antenna ConnectorIntegrated PCB antenna
Flash Memory8 MB SPI Flash
PSRAM64 MB
Operating Temperature–40 °C to +85 °C
Dimensions (L x W x H)31.5 mm x 18 mm x 3.3 mm

Frequently Asked Questions

What is the difference between the ESP32-WROOM and ESP32-WROVER modules?

The primary distinction lies in the integrated memory. The ESP32-WROVER includes both SPI flash and additional SPI Pseudo Static RAM (PSRAM), typically 4MB or 8MB flash with 4MB or 8MB PSRAM. The specific WROVER module discussed here features 8MB flash and 64MB PSRAM, making it suitable for memory-intensive applications like audio buffering, camera frame storage, or complex GUI displays, whereas standard WROOM modules lack the dedicated PSRAM.

How do I program the ESP32-WROVER module, and which frameworks are supported?

You can program the module using the official Espressif IoT Development Framework (ESP-IDF) via VS Code or Eclipse, the Arduino IDE with the ESP32 board package, or MicroPython/ CircuitPython. Connect the module's UART pins (TX/RX) to a USB-to-serial adapter (like FTDI or CP2102) and use the esptool.py utility for initial flashing. The GPIO0 pin must be pulled low during reset to enter the bootloader mode for uploading new firmware.

What is the power supply requirement, and how is the ultra-low sleep current achieved?

The module requires a stable 3.3V power supply within the 3.0V to 3.6V range, capable of supplying brief peaks up to 500mA during RF transmission. The ultra-low sleep current (under 5 μA) is achieved by putting the ESP32 into Deep Sleep mode, where the RF and CPU are powered down, and only the RTC timer and a small portion of memory remain active. Proper circuit design, including disabling external peripherals and using internal pull-ups/pull-downs, is necessary to reach this minimum current.

Package Includes

  • 1 x ESP32-WROVER 8M 64Mbit Flash WiFi Bluetooth Module

Additional Information

Weight 0.015 kg
Dimensions 3.15 × 1.8 × 0.33 cm

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