NodeMCU ESP32 WROOM-32 Development Board – WiFi + Bluetooth Dual-Core IoT Module in IOT MODULES | Electro Boat

NodeMCU ESP32 WROOM-32 Development Board – WiFi + Bluetooth Dual-Core IoT Module

ESP32-WROOM-32 is a powerful, generic Wi-Fi + Bluetooth® + Bluetooth LE 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. At the core of this module is the ESP32-D0WDQ6 chip*. NodeMCU ESP32 WROOM-32 Development Board with WiFi & Bluetooth, based on ESP32 dual-core processor, ideal for IoT, home automation, wireless sensor networks, and Arduino-compatible applications.

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₹ 349 ^₹499

Key Features:

Powered by ESP32-WROOM-32 SoC with dual-core 32-bit MCU
Integrated WiFi (802.11 b/g/n) and Bluetooth 4.2 (BLE)
520 KB SRAM, 4MB Flash memory
Compatible with Arduino IDE, PlatformIO, MicroPython
Onboard USB-to-Serial (CP2102 or CH340) for easy programming
Breadboard-friendly with full GPIO access

Detailed Product Description:

The NodeMCU ESP32 WROOM-32 Development Board is a powerful and versatile IoT microcontroller based on Espressif’s ESP32 SoC. It features dual-core processing, WiFi, and Bluetooth, enabling wireless communication, automation, and smart device integration.

This module is ideal for smart home projects, wireless sensor systems, robotics, and cloud-based applications. With Arduino IDE, MicroPython, or ESP-IDF support, developers of all levels can easily build high-performance connected systems.

Technical Specifications:

Parameter	Value
Chipset	ESP32-WROOM-32 (dual-core 32-bit Xtensa)
Clock Speed	Up to 240 MHz
SRAM	520 KB
Flash Memory	4MB (external)
Operating Voltage	3.3V (5V tolerant via regulator)
I/O Voltage	3.3V logic
Digital I/O Pins	30+ GPIOs (including PWM, ADC, DAC, I2C)
Wireless Support	WiFi 802.11 b/g/n, Bluetooth v4.2 (BLE)
Interface	UART, SPI, I2C, ADC (12-bit), DAC, PWM
USB Interface	Micro USB (CP2102 or CH340)
Power Input	USB or external 5V
Operating Temperature	-40°C to 85°C
Board Dimensions	Approx. 60mm × 28mm

How to Use with Arduino IDE:

Install Arduino IDE (latest version).
Go to:
File > Preferences > Additional Board URLs:
Add:
https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
Install ESP32 board from Board Manager.
Select ESP32 Dev Module under Tools > Board.
Connect via USB and upload your code.

Sample Code (WiFi Connect):

Applications:

IoT (Internet of Things) devices
Home automation systems
Wireless security or access control
Environmental sensing
Bluetooth & WiFi smart gadgets

Package Includes:

1 × NodeMCU ESP32 WROOM-32 Development Board

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