Espressif ESP32-WROVER-IE-N4R8 Wi-Fi + Bluetooth Module
Espressif ESP32-WROVER-IE-N4R8 Wi-Fi + Bluetooth Module - Image 2
SKU: IOWC-0699
📋 GST Invoice Available

Espressif ESP32-WROVER-IE-N4R8 Wi-Fi + Bluetooth Module

₹369.00 (Inclusive of all taxes)
Out of Stock

The Espressif ESP32-WROVER-IE-N4R8 is a surface-mount Wi-Fi + Bluetooth + BLE module featuring 4MB flash and 8MB PSRAM, designed for high-performance IoT applications like voice encoding and music streaming. It operates from 2.3V to 3.6V and supports an external antenna for enhanced range.

Features

  • Dual-Core ESP32 SoC: Combines Wi-Fi, Bluetooth Classic, and Bluetooth Low Energy (BLE) for versatile wireless connectivity.
  • Enhanced Memory Configuration: Integrates 4MB of flash memory and 8MB of PSRAM for demanding data processing and buffering tasks.
  • External Antenna Support: Features a connector for an external antenna to maximize RF range and performance in challenging environments.
  • Wide Operating Range: Functions reliably from -40°C to 85°C, suitable for industrial and outdoor deployments.
  • High Data Rate: Supports Wi-Fi data rates up to 150 Mbps for fast local network communication.

Out of stock

Description

The ESP32-WROVER-IE-N4R8 is a robust, industrial-grade wireless module built around Espressif’s flagship ESP32-D0WD dual-core Xtensa LX6 microcontroller. It integrates a complete 2.4 GHz RF system with support for 802.11 b/g/n Wi-Fi, Bluetooth Classic, and Bluetooth Low Energy 4.2, making it a cornerstone for connected devices.

Its key differentiator is the substantial 8MB of integrated PSRAM, which provides ample memory for audio buffers, graphics processing, and complex application data, enabling use cases like MP3 decoding and voice encoding that are beyond the scope of standard ESP32 modules. The module is supplied with 4MB of flash for firmware storage. The inclusion of an external antenna connector (IPEX) allows system designers to optimize RF performance for specific enclosure and placement requirements.

Key Features

  • Complete Wireless Solution: Integrates Wi-Fi 802.11 b/g/n, Bluetooth Classic, and Bluetooth Low Energy 4.2 in a single, certified module.
  • High-Performance Processing: Powered by a dual-core ESP32 processor with clock speeds up to 240 MHz for demanding computational tasks.
  • Expanded Memory for Data-Intensive Apps: 8MB PSRAM supports audio streaming, image processing, and large buffer operations without external memory.
  • Flexible Antenna Options: Comes with an integrated PCB antenna and includes a connector for attaching an external antenna to boost signal strength and range.
  • Industrial Temperature Rating: Certified for operation from -40°C to 85°C, ensuring reliability in harsh environmental conditions.
  • Comprehensive Development Support: Fully compatible with the ESP-IDF framework, Arduino Core for ESP32, MicroPython, and other popular IoT development platforms.
  • Optimized for Low-Power Scenarios: Features multiple power-saving modes including deep sleep, enabling battery-powered sensor node designs.
  • Surface-Mount Design: Facilitates high-volume, automated PCB assembly for scalable product manufacturing.

Applications

  • Advanced IoT Gateways: Acts as a local hub for sensor networks, handling data aggregation and cloud communication.
  • Smart Home Appliances: Powers voice-controlled devices, smart speakers, and high-end automation controllers requiring Wi-Fi and Bluetooth.
  • Industrial Telemetry: Used in remote monitoring equipment where robust wireless connectivity and data processing are needed.
  • Audio/Video Streaming Devices: Enables Wi-Fi audio systems, internet radios, and low-latency video streaming applications.
  • Wearable Tech & Health Monitors: Suitable for fitness trackers and medical devices leveraging BLE for peripheral connectivity and Wi-Fi for data sync.

Technical Specifications

Microcontroller / SoCEspressif ESP32-D0WD (Dual-Core)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth Classic, Bluetooth Low Energy 4.2
Frequency Range2.4 GHz to 2.5 GHz
RF Transmit PowerUp to +20 dBm (Wi-Fi), +10 dBm (BLE)
Receiver Sensitivity-98 dBm
Supply Voltage2.3V to 3.6V
Operating Current (Active)~80 mA (Wi-Fi radio active, average)
Deep Sleep Current~10 µA
Flash Memory4 MB
PSRAM8 MB
InterfacesUART, SPI, I2C, I2S, SDIO, PWM, GPIO, ADC, DAC, Touch Sensor
Antenna ConnectorIPEX (U.FL) for external antenna
Operating Temperature-40°C to 85°C
Dimensions (LxWxH)18.0 mm x 25.5 mm x 3.1 mm (approx.)

Frequently Asked Questions

What is the main advantage of the ESP32-WROVER-IE-N4R8 over a standard ESP32-WROOM module?

The key advantage is the integrated 8MB of PSRAM (Pseudo Static RAM). Standard WROOM modules typically have no PSRAM or only 4MB. This extra memory is crucial for buffering audio streams, handling large graphics frames, or processing complex data sets directly on-chip without slowing down the system or requiring external memory components, making it ideal for multimedia and data-intensive IoT applications.

How do I connect an external antenna to this module?

The module has a small IPEX (U.FL) connector on its PCB. You will need a compatible IPEX-to-SMA (or other connector) pigtail cable. Carefully mate the cable's IPEX plug with the module's connector. Ensure the antenna is matched for 2.4GHz and has an impedance of 50 ohms. The module's firmware does not require special configuration to switch to the external antenna; it is automatically selected when the cable is connected, disabling the internal PCB trace antenna.

What development frameworks are compatible with this ESP32-WROVER module?

It is fully compatible with Espressif's official ESP-IDF (IoT Development Framework), which offers the deepest hardware control and latest features. It is also widely supported by the Arduino Core for ESP32 via the Arduino IDE or PlatformIO, and by MicroPython. When using Arduino or MicroPython, the 8MB PSRAM is often automatically detected and can be used via specific library calls to allocate memory for large buffers or data structures.

What is the typical power consumption during Wi-Fi transmission and in deep sleep?

During active Wi-Fi transmission at maximum power, the module can draw approximately 200-240mA peak. Average operating current during normal Wi-Fi communication is around 80-100mA. In deep sleep mode, with the CPU and radios powered down but RTC memory retained, consumption drops dramatically to approximately 10 microamps (µA), enabling years of operation on a battery for sensor nodes that wake up periodically to transmit data.

Package Includes

  • 1 x Espressif ESP32-WROVER-IE-N4R8 Module

Additional Information

Weight 0.01 kg
Dimensions 1.8 × 2.55 × 0.31 cm

Related Products

Image
Out of Stock

Espressif ESP Thread BR-Zigbee GW Development Board

1,309.00
Learn More
Image
Out of Stock

LilyGO T-Camera Plus ESP32 Module w/ OV640 Fisheye Lens

1,869.00
Learn More
Image
Out of Stock

LilyGO T-Camera Plus ESP32 Camera Module w/ 1.3-Inch IPS Display

1,849.00
Learn More
Image
Out of Stock

DFRobot SEN0314 MU Vision Sensor ESP32 AI Camera

7,279.00
Learn More
Image
Out of Stock

Makerbase MKS DLC32 ESP32 Offline Controller Board

1,989.00
Learn More
Image
Out of Stock

ESP32-CAM WiFi + Bluetooth Module with OV2640 2MP Camera

739.00
Learn More
Image
Out of Stock

Arduino Alvik Robot AKX00066 - Educational ESP32 & STM32

14,219.00
Learn More
Image
Out of Stock

Generic HS-S31P Collision Sensor Switch Module

69.00
Learn More
Image
Out of Stock

Arduino MKR WiFi 1010 Development Board ABX00023

3,719.00
Learn More
Image
Out of Stock

LilyGO T-Journal ESP32 OLED Camera Development Board w/ OV2640 & SMA Antenna

1,549.00
Learn More
Image
Out of Stock

Waveshare MLX90640 IR Array Thermal Imaging Camera, 32x24 Pixels, 55° FOV

10,079.00
Learn More
Image
Out of Stock

Espressif ESP32-WROOM-32UE-N16 Wi-Fi + Bluetooth Module

399.00
Learn More