ESP32 NodeMCU 30-Pin WiFi Bluetooth Development Board CP2102

The ESP32 NodeMCU 30-Pin WiFi Bluetooth Development Board is a versatile microcontroller board designed for IoT, home automation, robotics, wireless monitoring, and embedded system development. Powered by a dual-core ESP32 processor and equipped with built-in WiFi and Bluetooth, it provides wireless connectivity without requiring additional communication modules.

Featuring a CP2102 USB-to-UART interface, the board provides convenient programming and serial communication with compatible Windows, macOS, and Linux systems. Its compact 30-pin layout is suitable for standard breadboards, making it convenient for rapid prototyping, electronics experiments, and DIY projects.

The ESP32 NodeMCU supports popular development platforms including Arduino IDE, ESP-IDF, MicroPython, PlatformIO, and Lua. With GPIO, PWM, ADC, DAC, SPI, I²C, UART, CAN, and capacitive touch interfaces, it can connect with a wide range of sensors, displays, motors, and other peripherals.

Whether you're a student learning microcontroller programming, a maker developing a smart home project, or an engineer prototyping a connected product, this ESP32 NodeMCU development board provides a flexible platform for wireless and embedded applications.

Explore our full range of ESP32 Development Boards for your next project.

Features

Dual-Core ESP32 Processor

The dual-core ESP32 processor provides the processing capability required for multitasking, wireless communication, and real-time embedded applications.

Built-In WiFi & Bluetooth

Integrated 2.4GHz WiFi, Bluetooth Classic, and BLE allow the board to communicate wirelessly without requiring separate connectivity modules.

CP2102 USB-to-UART Interface

The CP2102 interface enables reliable USB programming and serial communication, simplifying development and debugging.

Compact 30-Pin Design

The 30-pin layout provides a compact, breadboard-friendly form factor that is convenient for prototyping and electronics projects.

Multiple GPIO & Peripheral Interfaces

GPIO, ADC, DAC, PWM, SPI, I²C, UART, CAN, and capacitive touch interfaces provide flexibility for connecting sensors, displays, motors, and other peripherals.

Multiple Programming Platforms

Compatibility with Arduino IDE, ESP-IDF, MicroPython, PlatformIO, and Lua gives developers flexibility in choosing their preferred development environment.

Low-Power Operation

Deep-sleep capabilities make the board suitable for battery-powered IoT devices and energy-efficient wireless applications.

Wide Range of Applications

The ESP32 NodeMCU can be used for smart home systems, robotics, wireless sensor networks, industrial monitoring, data logging, and other connected projects.

CP2102 Driver Setup & USB Connectivity

This ESP32 NodeMCU 30-pin development board features a built-in CP2102 USB-to-UART bridge chip. Unlike older CH340-based boards, the CP2102 offers superior stability, faster baud rates, and seamless serial communication across Windows, macOS, and Linux systems.

How to Install CP2102 Drivers by OS:

• Windows 10 & 11: The CP2102 driver is usually pre-installed or automatically downloaded via Windows Update. If your board is not recognized, download the official Silicon Labs CP210x Universal Windows Driver.

• macOS (Catalina, Big Sur, Monterey, Ventura, Sonoma): macOS requires a manual driver installation. Download the Silicon Labs VCP Driver, install the .pkg file, and crucially, go to System Settings > Privacy & Security and allow the "System Extension" from Silicon Labs. Restart your Mac afterward.

• Linux (Ubuntu, Debian, etc.): The CP2102 chip is natively supported by the Linux kernel. No manual driver installation is needed. The board will automatically mount as /dev/ttyUSB0 or /dev/ttyACM0. You can verify this by running lsusb or dmesg | grep tty in the terminal.

Pro Tips for Reliable USB Connectivity:

1. Use a Data Cable, Not Just a Charge Cable: A very common cause of "Failed to connect to ESP32" or "No COM port found" errors is using a low-quality Micro USB cable that only provides power. Ensure you are using a verified data-sync Micro USB cable.

2. The BOOT Button Trick: If the Arduino IDE hangs on "Connecting...", hold down the BOOT button on the ESP32 board, click Upload in the IDE, and keep holding the BOOT button until the "Connecting..." message appears. Release the button once the upload progress bar starts.

3. Select the Correct Port: Always verify that you have selected the correct COM port (Windows) or /dev/cu.usbserial-* (macOS) under Tools > Port in the Arduino IDE before uploading.

(Looking for your next project? Check out our guide on interfacing the DHT11 sensor with the ESP32 board to start reading real-time temperature and humidity data!)

ESP32 30-Pin Breadboard Layout - Perfect Fit for Prototyping

The compact 30-pin design leaves one free row on each side, making it ideal for rapid prototyping and IoT projects without jumper wire conflicts.

Why Choose the ESP32 NodeMCU 30-Pin?

The ESP32 NodeMCU 30-Pin combines processing power, wireless connectivity, and extensive peripheral support in a compact development board.

• Built-in wireless connectivity: WiFi and Bluetooth eliminate the need for separate wireless modules.

• Flexible development: Supports Arduino IDE, ESP-IDF, MicroPython, PlatformIO, and Lua.

• Easy prototyping: Compact 30-pin design works well with standard breadboards.

• Extensive connectivity: Multiple GPIO and communication interfaces support a wide range of components.

• Suitable for beginners and professionals: Simple enough for learning while capable of supporting advanced prototypes.

• Low-power capability: Deep-sleep functionality supports battery-powered applications.

• Large ESP32 ecosystem: Access to extensive libraries, tutorials, documentation, and community resources.

Who Should Buy This Product?

The ESP32 NodeMCU 30-Pin Development Board is ideal for:

Students

Learn microcontroller programming, IoT, embedded systems, and wireless electronics through practical projects.

IoT Developers

Build WiFi- and Bluetooth-enabled smart devices, sensor networks, monitoring systems, and connected products.

Robotics Engineers

Connect motors, sensors, communication modules, and controllers to develop wireless robotic systems.

Makers & DIY Hobbyists

Create home automation systems, smart devices, data loggers, and custom electronics projects.

Embedded System Developers

Prototype connected embedded products using the ESP32's processing power and peripheral interfaces.

Electronics Enthusiasts

Experiment with sensors, displays, communication protocols, and wireless technologies.

Educators & STEM Labs

Use the development board for practical teaching of programming, electronics, IoT, and embedded systems.

Industrial Automation Developers

Develop wireless monitoring, control, data collection, and automation prototypes.

ESP32 NodeMCU vs ESP8266 NodeMCU: Key Differences

The ESP32 NodeMCU offers greater functionality than traditional ESP8266-based development boards. It provides dual-core processing, built-in Bluetooth alongside WiFi, additional peripheral capabilities, capacitive touch support, DAC, CAN, and improved processing performance.

This makes the ESP32 a better fit for projects that require wireless connectivity, multitasking, advanced peripherals, and greater development flexibility.

However, the ESP8266 can still be a suitable choice for simpler and lower-cost WiFi-only projects.

ESP32 NodeMCU 30-Pin Price in India

The ESP32 NodeMCU 30-Pin WiFi Bluetooth Development Board price in India is ₹399 at ROBODIUM. The final price may vary depending on stock availability, ongoing offers, and promotional discounts.

ROBODIUM provides ESP32 development boards and electronics components online in India with secure packaging, technical assistance, GST invoice where applicable, and dependable customer support.

ESP32 30-Pin vs 38-Pin: Which to Choose?

Both boards are powered by the same dual-core ESP32 processor with built-in WiFi and Bluetooth, but they cater to slightly different project needs:

• ESP32 30-Pin Board: More compact and breadboard-friendly. Ideal for space-constrained projects, basic IoT, and standard prototyping where fewer GPIO pins are needed. (You are here)

• ESP32 38-Pin Board: Exposes more GPIO pins and peripheral interfaces. Best for complex projects requiring multiple sensors, displays, or advanced connectivity.

👉 Need more I/O pins? Check out our ESP32 38-Pin Development Board (WiFi/BT) for expanded capabilities.

Ideal For

• IoT Development

• Smart Home Automation

• Robotics

• Wireless Sensor Networks

• Industrial Automation

• BLE Applications

• Data Logging

• Environmental Monitoring

• Embedded Systems

• STEM Education

• Rapid Prototyping

Specifications

Return Policy Overview

At ROBODIUM™, we want you to be completely satisfied with your purchase. You may return most items within 7 days of delivery for a full refund or exchange.

Return Window

• Standard Returns: 7 days from delivery date for any reason, including if you simply changed your mind.
• Defective/Damaged Items: 7 days from delivery date for items received damaged or defective.
• Manufacturing Defects (Warranty): 15 days from delivery for manufacturing defects, unless a different warranty period is specified on the product page.

What Can Be Returned

Most items sold on ROBODIUM™ can be returned within the return window, including:

• Items you no longer need or changed your mind about
• Products received in damaged condition
• Items with manufacturing defects
• Wrong items received (item mismatch)
• Missing components inside the package

Return Conditions

To be eligible for a return, items must be:

• In their original, unused condition
• In the original packaging with all accessories, manuals, and free gifts (if any)
• Accompanied by proof of purchase

Note: Products damaged due to misuse, modification, static discharge, soldering, or improper handling may not be eligible for return.

How to Initiate a Return

1. Contact us via email at support@robodium.com or call +91 8123109966
2. Provide your order number and reason for return
3. Submit photos/videos of the item (especially for damaged/defective products)
4. Our team will review and approve your return request within 1-2 business days

Return Pickup Process

We arrange the return pickup for you - hassle-free returns similar to major e-commerce platforms.

• Once your return is approved, we will coordinate pickup from your location.
• Pack the product securely in its original packaging.
• Include a copy of the order confirmation or packing list.
• Keep the package ready - our logistics partner will collect it at the scheduled time.

Return Shipping Costs

• Defective, damaged, or wrong items: ROBODIUM™ covers all return shipping costs. No charges to you.
• Change of mind returns: A flat return shipping fee of ₹100 will be deducted from your refund amount.

Refund Process

• Refund Method: Refunds are processed to your original payment method.
• Processing Time: 5-7 business days after we receive and inspect the returned item.
• Refund Amount: Full purchase price minus any applicable return shipping fees.
• Orders canceled before shipping receive a full refund (minus up to 5% payment gateway charges, if applicable).

Replacements

• Once the returned item is inspected and approved, we ship the replacement at no additional cost.
• Replacement items are dispatched within 2 business days of receiving your return.
• If replacement is unavailable, we provide a full refund.

Warranty Terms

All products include a minimum 15-day warranty against manufacturing defects unless otherwise specified on the product page.

Warranty does not cover: misuse, soldering damage, modifications, physical damage, or incorrect electrical connections.

Order Cancellations

• Orders in Pending or Payment Verification status can be canceled for a full refund.
• Contact us immediately at support@robodium.com to cancel before shipping.
• Once an order is shipped, it cannot be canceled but can be returned after delivery.

Customer Service Commitment

• Email Response Time: Within 24 hours on business days
• Phone Support: Monday-Saturday, 10:00 AM - 6:00 PM IST
• Return Request Review: 1-2 business days
• Issue Resolution: Within 48 hours of verification