ESP32 NodeMCU Development Board with Wi-Fi & Bluetooth (CP2102, 30-Pin)
The ESP32 NodeMCU Development Board (30-Pin) is a powerful Wi-Fi and Bluetooth-enabled microcontroller designed for IoT, automation, robotics, smart home, industrial monitoring, and embedded system development. Powered by Espressif's dual-core ESP32 processor, it delivers significantly higher processing power than the ESP8266 while integrating wireless connectivity into a compact, breadboard-friendly design. If you're exploring other wireless development platforms, you can also browse the ESP32 Development Boards collection.
Featuring the reliable CP2102 USB-to-UART interface, this board offers stable programming and serial communication with Windows, macOS, and Linux systems. Its 30-pin layout fits standard breadboards, making prototyping faster and easier for students, hobbyists, engineers, and product developers. For compact IoT applications, you may also consider the Seeed Studio XIAO ESP32-C6 Development Board.
Supporting Arduino IDE, ESP-IDF, MicroPython, Lua programming, and PlatformIO, the ESP32 NodeMCU enables rapid development of connected devices with built-in Wi-Fi, Bluetooth Classic, and BLE connectivity. With multiple GPIOs, PWM, ADC, DAC, touch sensors, SPI, I²C, UART, CAN, and deep sleep capabilities, it provides exceptional flexibility for everything from beginner projects to commercial IoT products. If you need enhanced AI capabilities for edge applications, theSeeed Studio XIAO ESP32-S3 Development Board is another excellent choice.
Whether you're building smart home automation systems, wireless sensor networks, AI-enabled devices, robotics, or cloud-connected applications, the ESP32 NodeMCU 30-Pin board offers the performance, reliability, and ecosystem needed for modern embedded development. You can also pair it with compatibleElectronic Components to build complete embedded systems.
NodeMCU ESP32 30 Pin Diagram:
Features
Dual-Core ESP32 Processor
Powerful Tensilica LX6 dual-core processor running up to 240MHz for high-performance multitasking and real-time applications.
Built-in Wi-Fi & Bluetooth
Integrated 2.4GHz Wi-Fi and Bluetooth (Classic + BLE) enable seamless wireless communication without additional modules.
Reliable CP2102 USB Interface
High-quality CP2102 USB-to-UART converter ensures stable programming, serial communication, and driver compatibility.
Breadboard-Friendly 30-Pin Design
Compact layout fits standard breadboards, making rapid prototyping simple and convenient.
Rich Peripheral Support
Supports GPIO, ADC, DAC, PWM, SPI, UART, I²C, CAN, capacitive touch sensing, SD card interface, and more. Connect a wide range ofSensors and peripherals for IoT and automation projects.
Multiple Development Platforms
Compatible with Arduino IDE, ESP-IDF, MicroPython, PlatformIO, and Lua programming.
Ultra-Low Power Operation
Supports deep sleep modes for battery-powered IoT devices and wearable electronics.
Ideal for Advanced IoT Projects
Perfect for smart homes, industrial automation, robotics, AI applications, wireless monitoring, and cloud-connected devices.
Who Should Buy the ESP32 NodeMCU 30-Pin?
IoT Developers building connected devices and smart automation systems.
Makers & DIY Hobbyists building innovative electronics projects.
STEM Education Labs teaching embedded systems and wireless communication.
Why Choose ESP32 NodeMCU over ESP8266?
The ESP32 NodeMCU offers significantly higher processing power than the ESP8266 while adding Bluetooth connectivity, additional GPIO pins, touch sensors, DAC outputs, CAN interface support, and improved security. Its dual-core architecture allows simultaneous networking and application processing, making it ideal for advanced IoT, robotics, and automation projects that require better performance and scalability. Developers looking for newer wireless standards can also explore the Seeed Studio XIAO ESP32-C6 Development Board with Wi-Fi 6, Zigbee, Thread, and Matter support.
ESP32 NodeMCU 30-Pin Price in India
The ESP32 NodeMCU 30-Pin price in India starts at ₹349 at Robocraze, with seasonal offers, combo deals, educational discounts, and promotional pricing available throughout the year. Final pricing may vary depending on stock availability and ongoing promotions.
As a trusted electronics and robotics supplier in India, Robocraze provides genuine ESP32 development boards sourced from verified manufacturers, along with secure packaging, technical assistance, and dependable customer support for a reliable purchasing experience. You can also browse the complete range of ESP32 Development Boards,Electronic Components, andSensors to build complete IoT and embedded solutions.
To get started with your ESP32 microcontroller, install the Arduino IDE or MicroPython, then connect the board to your PC via a USB cable. Select the ESP32 board in the IDE and write your sketch. Hit Upload, and your code will run right away. The ESP32’s dual-core design gives plenty of power for IoT projects, sensor logging, and even robotics.
2. How to install ESP32 in Arduino IDE?
To add ESP32 to Arduino IDE, open the Preferences menu, paste the official ESP32 board manager URL, and use the Boards Manager to install ESP32 support. Now, your ESP32 dev board appears in the Boards list—select it and you’re ready to code. This process takes just a few minutes and unlocks advanced WiFi and Bluetooth features.
3. How to power ESP32?
Your ESP32 module is easily powered via its onboard micro-USB port, or with a regulated 5V supply to the VIN pin. Stable power is essential for the WiFi and Bluetooth capabilities of the ESP32 development board. For reliable wireless communication over long sessions, use a USB cable or verify voltage output if using an external adapter.
4. How to read data from ThingSpeak using ESP32?
With the WiFi library on your NodeMCU ESP32, connect to your local network and use HTTP requests to pull data from ThingSpeak. This is a popular way to extend IoT projects: you can visualize sensor readings, remote controls, or event alerts from anywhere. The ESP32’s built-in wireless support makes cloud experimentation simple.
5. How to connect ESP32 to Firebase?
Connect your ESP32 board to Firebase using the dedicated ESP32 Firebase library in Arduino IDE. After setting up your Firebase project credentials, you’ll be able to send sensor data or trigger devices remotely from the cloud. It’s an easy method for making smart home and remote monitoring projects with powerful cloud integration.
6. How to update ESP32 firmware?
Keep your ESP32 development board up-to-date by flashing new firmware via the ESP32 Flash Download Tool or wirelessly using OTA (Over-The-Air) updates. Updated firmware gives you better stability, enhanced security, and new features. It’s worth checking for the latest releases regularly, especially for advanced IoT builds and automation projects.
7. Is the NodeMCU 32 WiFi Bluetooth ESP32 Development Board (30 Pin) original and genuine?
Yes, the NodeMCU 32 WiFi Bluetooth ESP32 Development Board (30 Pin) sold by Robocraze is sourced from reliable manufacturers using genuine ESP32 chipsets. Each board undergoes quality checks to ensure proper WiFi and Bluetooth functionality, stable USB communication, and reliable GPIO performance. We avoid low-grade clones that often suffer from unstable power circuits or inconsistent firmware compatibility. You receive a fully functional and tested board suitable for IoT, robotics, automation, and embedded system projects.
1. Can the ESP32 NodeMCU run Wi-Fi and Bluetooth simultaneously?
Yes. The ESP32 NodeMCU supports simultaneous Wi-Fi and Bluetooth (Classic and BLE) operation using Espressif's coexistence technology. This allows the board to communicate with cloud platforms over Wi-Fi while maintaining Bluetooth connections to sensors, smartphones, or other devices.
2. What is the difference between ESP32 and NodeMCU?
NodeMCU originally referred to ESP8266-based development boards, but today there are also ESP32-based NodeMCU boards. The ESP32 NodeMCU uses the more powerful ESP32 chip, offering dual-core processing, built-in Wi-Fi and Bluetooth, additional GPIO pins, higher memory, and better performance than the ESP8266 version.
3. Is the ESP32 better than the ESP8266?
Yes. The ESP32 offers several advantages over the ESP8266, including:
Dual-core processor up to 240MHz
Built-in Wi-Fi and Bluetooth (BLE)
More GPIO pins
Higher RAM and Flash support
Touch sensors, DAC, CAN interface, and enhanced security
These features make the ESP32 ideal for advanced IoT, robotics, automation, and AI projects.
4. What is the ESP-WROOM-32 module?
The ESP-WROOM-32 is the wireless module used on many ESP32 development boards. It combines the ESP32 microcontroller with an onboard antenna, flash memory, and RF components to provide reliable Wi-Fi and Bluetooth connectivity for embedded applications.
5. Can the ESP32 NodeMCU be used as a web server?
Yes. The ESP32 can function as a web server by connecting to your Wi-Fi network or creating its own access point. It can host web pages, dashboards, REST APIs, and IoT control panels, making it ideal for home automation and remote monitoring projects.
6. Is the ESP32 NodeMCU better than Arduino Uno?
For most IoT and wireless applications, yes. Unlike the Arduino Uno, the ESP32 NodeMCU includes built-in Wi-Fi and Bluetooth, a faster dual-core processor, significantly more memory, and support for advanced peripherals. However, the Arduino Uno remains a great option for simple electronics and beginner projects.
7. Which programming languages and IDEs are supported?
The ESP32 NodeMCU supports multiple development environments, including:
Arduino IDE
ESP-IDF
PlatformIO
MicroPython
Lua
This flexibility makes it suitable for both beginners and professional developers.
8. What is the ESP32 NodeMCU 30-Pin price in India?
The ESP32 NodeMCU 30-Pin price in India starts at ₹299 at Robocraze. Pricing may vary depending on current offers, stock availability, and promotional discounts.
9. Where can I buy a genuine ESP32 NodeMCU Development Board in India?
You can purchase a genuine ESP32 NodeMCU Development Board from Robocraze. Every board is quality-tested, securely packaged, and backed by technical support, fast shipping, and GST billing.
10. What projects can I build using the ESP32 NodeMCU?
The ESP32 NodeMCU is suitable for a wide variety of projects, including:
Home automation
IoT sensor networks
Smart agriculture
Robotics
Bluetooth devices
Data logging
Environmental monitoring
AI and edge computing
Industrial automation
Wearable electronics
11. What is the difference between the ESP32 30-Pin and 38-Pin development boards?
Both boards use the ESP32 microcontroller, but the 38-pin version exposes additional GPIO pins for projects requiring more peripherals. The 30-pin version is more compact and breadboard-friendly, making it a popular choice for general IoT and prototyping applications.
There should be a feature to change the delivery method, as having too many options or changes can make things confusing. Kindly look into this. Other than that, everything was very good.