ESP32-WROVER -E ESP32-DEVKITC Core Board for Arduino

The ESP32-WROVER-E is a powerful dual-core microcontroller development board featuring integrated Wi-Fi and Bluetooth connectivity, 8MB PSRAM, and 4MB flash memory, designed for IoT applications and embedded systems development. Professional engineers and embedded systems developers use this board to rapidly prototype connected devices, smart home solutions, and industrial IoT applications that require robust wireless communication and substantial memory resources. This board solves the critical challenge of developing feature-rich IoT applications with limited GPIO pins and memory constraints by providing a comprehensive development platform with extensive peripheral support and wireless capabilities.

Product Overview

The ESP32-WROVER-E operates on a 32-bit dual-core Xtensa processor running at 240MHz, delivering exceptional computational performance for complex algorithms and real-time processing tasks. The board integrates 8MB of PSRAM (Pseudo Static RAM) external to the main processor, enabling developers to work with large data structures, image processing, and multimedia applications that would otherwise be memory-constrained. The integrated 4MB SPI flash memory provides ample storage for firmware, configuration data, and application code. Built-in Wi-Fi 802.11 b/g/n and Bluetooth 4.2 (Classic and BLE) transceivers eliminate the need for external wireless modules, reducing board complexity and power consumption while maintaining industrial-grade reliability.

This development board excels in applications requiring simultaneous wireless connectivity and computational power. The WROVER-E variant specifically optimizes for applications needing extended memory capacity and faster data access patterns. The board includes 34 GPIO pins with configurable functionality, supporting SPI, I2C, UART, PWM, ADC, and DAC interfaces. The integrated USB-to-UART bridge allows seamless firmware programming and serial communication without external adapters. Power management circuitry supports input voltages from 4.75V to 5.5V with integrated LDO regulators providing stable 3.3V supply to the processor and peripherals, ensuring reliable operation in diverse environmental conditions.

Key Specifications

Specification	Details
Product Type	Microcontroller Development Board
Brand	Espressif Systems
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Processor	Dual-core Xtensa 32-bit at 240MHz
RAM	520KB SRAM + 8MB PSRAM
Flash Memory	4MB SPI Flash
Wireless Connectivity	Wi-Fi 802.11 b/g/n and Bluetooth 4.2 (Classic and BLE)
GPIO Pins	34 configurable GPIO pins
Operating Voltage	3.3V (input 4.75V to 5.5V)
Interfaces	SPI, I2C, UART, PWM, ADC (12-bit), DAC (8-bit)

Key Features

• Dual-core processor architecture enabling parallel task execution and real-time processing of multiple data streams simultaneously
• 8MB external PSRAM providing extended memory capacity for image processing, audio buffering, and complex data structure manipulation
• Integrated Wi-Fi and Bluetooth connectivity eliminating external wireless modules and reducing board footprint and power consumption
• 34 GPIO pins with flexible pin multiplexing supporting diverse peripheral configurations for custom application requirements
• On-board USB-to-UART converter enabling direct connection to development machines for programming and serial debugging
• Integrated power management with LDO regulators ensuring stable 3.3V supply under varying load conditions

Applications and Use Cases

• Smart home automation systems requiring Wi-Fi connectivity, local processing capability, and simultaneous control of multiple sensors and actuators
• IoT sensor networks for environmental monitoring, collecting data from multiple sensors and transmitting via Wi-Fi or Bluetooth to cloud platforms
• Wearable devices with Bluetooth connectivity for health monitoring, activity tracking, and real-time data synchronization with mobile applications
• Industrial automation and control systems requiring reliable wireless communication, real-time processing, and extensive GPIO configuration for machinery monitoring
• Audio processing applications leveraging PSRAM for audio buffering and dual-core processing for simultaneous playback and recording operations
• Machine learning inference applications utilizing extended memory for model storage and dual-core processing for real-time edge computing

How to Use

Begin by installing the ESP32 board support package in the Arduino IDE by adding the Espressif board manager URL (https://dl.espressif.com/dl/package_esp32_index.json) to the preferences. After installation, select ESP32 Dev Module from the board menu and configure the upload speed to 921600 baud for optimal programming performance. Connect the development board via USB cable to your computer, which automatically provides power and enables the serial interface for firmware upload and debugging.

Write your application code using the Arduino IDE or PlatformIO, leveraging the extensive ESP32 libraries for Wi-Fi connectivity, Bluetooth communication, and peripheral control. The board includes built-in LED on GPIO 2 for basic testing and verification. For advanced applications, utilize the FreeRTOS kernel running on the dual cores to implement multitasking, assign specific tasks to individual cores for optimized performance, and manage inter-core communication using queues and semaphores. The PSRAM is automatically available for dynamic memory allocation, allowing your application to utilize the full 8MB capacity for large buffers and data structures without explicit configuration.

Frequently Asked Questions

What is the difference between ESP32-WROVER-E and standard ESP32 boards?

The ESP32-WROVER-E includes 8MB of external PSRAM in addition to the 520KB internal SRAM, providing significantly more memory for applications requiring large data buffers, image processing, or machine learning models. The WROVER variant is optimized for memory-intensive applications, while standard ESP32 boards are suitable for simpler IoT applications with lower memory requirements. The WROVER-E specifically includes enhanced power management and improved thermal characteristics for sustained high-performance operation.

Can I use this board with Arduino IDE directly?

Yes, the ESP32-WROVER-E is fully compatible with Arduino IDE after installing the ESP32 board support package. The board includes an integrated USB-to-UART converter that appears as a COM port on your computer, allowing direct firmware upload using the standard Arduino upload mechanism. No external programmers or adapters are required for basic development and debugging.

What is the maximum current consumption and power requirements?

The ESP32-WROVER-E requires input voltage between 4.75V to 5.5V and can be powered via USB or external power supply. Maximum current consumption depends on operational mode: approximately 80mA during Wi-Fi transmission, 30mA during Wi-Fi reception, and 10mA during idle mode with Bluetooth active. For battery-powered applications, utilize deep sleep mode consuming less than 10 microamps, extending battery life significantly for IoT devices.

Is the PSRAM automatically available in my Arduino sketches?

Yes, the 8MB PSRAM is automatically detected and available for dynamic memory allocation. You can allocate memory using standard malloc() and free() functions, or use Arduino String objects which automatically utilize PSRAM when available. For optimal performance, enable PSRAM in the Arduino IDE board settings under Tools menu, which configures the memory controller to utilize the full 8MB capacity.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

Why Buy from The Engineer Store

• Genuine Products: Sourced directly from authorized distributors with authentication
• Expert Team: Our technical team validates every product before listing
• Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
• Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
• Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
• Technical Support: 24/7 expert guidance via email and WhatsApp
• Returns: 7-day return policy on manufacturing defects only

Buy ESP32-WROVER -E ESP32-DEVKITC Core Board for Arduino Online in India

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