The NodeMCU ESP-32S Development Board is a powerful and versatile development platform designed for Internet of Things (IoT), smart automation, wireless communication, and embedded system projects. Built around the ESP-32S module, this board combines high-performance processing with integrated WiFi and Bluetooth connectivity, making it suitable for a wide range of connected applications.

The board follows the classic NodeMCU development board layout and exposes most ESP32 input/output pins through convenient dual-row headers. Its breadboard-friendly design simplifies prototyping, testing, and integration with sensors, displays, relays, communication modules, and other peripherals.

Key Features

• Based on the ESP-32S WiFi and Bluetooth SoC
• Integrated CP2102 USB-to-Serial converter
• 38-pin development board layout
• Built-in 2.4 GHz WiFi connectivity
• Supports Bluetooth Classic and Bluetooth Low Energy (BLE)
• Breadboard-compatible pin arrangement
• Micro-USB interface for programming and power
• Suitable for Arduino IDE, ESP-IDF, MicroPython, and Lua-based development
• Multiple GPIO, ADC, PWM, UART, SPI, and I2C interfaces
• Open-source hardware and software ecosystem
• Ideal for IoT, smart home, robotics, industrial monitoring, and automation projects

Technical Specifications

• Module: ESP-32S
• USB Interface: CP2102 USB-to-UART
• Connector Type: Micro-USB
• Pin Count: 38 Pins
• Wireless Connectivity:
  • WiFi 802.11 b/g/n (2.4 GHz)
  • Bluetooth Classic
  • Bluetooth Low Energy (BLE)
• Programming Support:
  • Arduino IDE
  • ESP-IDF
  • MicroPython
  • Lua Firmware
• Operating Voltage: 3.3V Logic
• Development Board Layout: Dual-row breadboard-friendly design

Applications

• Smart Home Automation
• IoT Sensor Networks
• Wireless Monitoring Systems
• Robotics Projects
• Industrial Automation
• Data Logging Systems
• Remote Control Applications
• Educational and Research Projects
• MQTT and Home Assistant Integrations

Schematic