NodeMCU ESP32-32U Dev Board MicroUSB 38-pin WiFi Bluetooth IoT
Price in Sri Lanka

The NodeMCU ESP32-32U is a powerful and versatile IoT development board featuring dual-mode WiFi and Bluetooth connectivity. Based on the ESP32 chipset, it supports a wide range of IoT applications, embedded systems, and smart device projects. With 38 GPIO pins and robust programming flexibility, this board is ideal for both hobbyists and professional developers.

Key Features:

• Dual-mode wireless: WiFi 802.11 b/g/n and Bluetooth 4.2 (BLE + Classic)
• Powerful ESP32 MCU with dual-core processor for fast processing
• 38 GPIO pins for versatile peripheral interfacing
• Supports multiple communication protocols: UART, SPI, I2C, PWM, ADC, DAC
• USB interface for easy programming and power supply
• Compatible with Arduino IDE, MicroPython, and ESP-IDF

Specifications:

• Model: NodeMCU ESP32-32U
• Microcontroller: ESP32 dual-core 32-bit
• Clock Speed: Up to 240 MHz
• Flash Memory: 4MB (typical)
• RAM: 520KB SRAM
• Connectivity: WiFi 2.4GHz, Bluetooth 4.2 (BLE + Classic)
• GPIO Pins: 38
• Analog Inputs: 18 × 12-bit ADC channels
• Digital I/O: 38
• PWM Outputs: Multiple configurable pins
• Operating Voltage: 3.3V
• USB Interface: Micro USB for programming and power

Applications:

• IoT and smart home projects
• Wireless sensor networks
• Robotics and automation systems
• Data logging and monitoring devices
• Educational electronics and prototyping