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ESP32 Node MCU Development Board with Wifi and Bluetooth (CP2102 Driver, 30 PIN)
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Looking to supercharge your IoT projects? The ESP32 NodeMCU Development Board with Wi-Fi and Bluetooth (CP2102) 30-Pin is your go-to solution.
This NodeMCU ESP32 development board is widely considered the best ESP32 board for IoT and AI projects, thanks to its powerful dual-core processing and seamless wireless connectivity. With robust Wi-Fi and Bluetooth capabilities, it serves as a reliable ESP32 WiFi Bluetooth microcontroller board India for developers, students, and professionals alike.
Its compact 30-pin design allows easy integration into various applications, from smart home automation to industrial IoT systems. As highlighted in many NodeMCU ESP32 30 pin specifications and features, the board offers excellent flexibility and performance for both beginners and advanced users.
What sets this board apart are its dual wireless modes—AP, STA, or AP+STA—giving you complete control over connectivity. The inclusion of Lua programming support makes development simple and efficient.
For smooth connectivity, the CP2102 USB-UART bridge ensures stable communication with your computer. Powered by the ESP32S chip, this board delivers scalable performance with dual CPU cores, adjustable clock frequencies, and a rich set of peripherals including touch sensors, Hall sensors, SD card interface, Ethernet, SPI, UART, and I²C.
With power consumption under 5µA, it's perfect for wearable electronics and battery-powered applications. Take your IoT projects to the next level with this exceptional board.
At Robocraze, the NodeMCU ESP32 CP2102 30-pin in India starts from ₹299, with final pricing varying based on ongoing offers and availability. If you're planning to buy ESP32 development board WiFi Bluetooth online India, we ensure you get high-quality boards with reliable components, stable voltage regulation, and properly soldered headers—delivering better durability and performance compared to low-cost generic alternatives. Unlike inconsistent marketplace sellers, we focus on tested boards, secure packaging, and dependable technical support, making it a smarter long-term choice rather than just the cheapest option.
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| Specification | Amica NodeMCU | Lolin NodeMCU | NodeMCU Wroom32 |
| Microcontroller | ESP-8266 32-bit | ESP-8266 32-bit | ESP-WROOM-32 |
| processor | Xtensa single core 32 bit L106 | Xtensa single core 32 bit L106 | Tensillica Xtensa LX6 microprocessor with 2 cores |
| NodeMCU Size | 49mm x 26mm | 58mm x 32mm | 49mm x 25 mm |
| Pin Spacing | 0.9" (22.86mm) | 1.1" (27.94mm) | 0.9" (22.86mm) |
| Clock Speed | 80 MHz | 80 MHz | 160 MHz |
| USB to Serial | CP2102 | CH340G | CP2102 |
| USB Connector | Micro USB | Micro USB | Micro USB |
| Operating Voltage | 2.5 V to 3.6 V | 2.5 V to 3.6 V | 2.5 V to 3.6 V |
| Input Voltage | 4.5V-10V | 4.5V-10V | 4.5V-15V |
| Flash Memory | 4 MB | 4 MB | 4MB |
| SRAM | 64KB | 64KB | 520KB |
| ROM | - | - | 448KB |
| Digital I/O Pins | 11 | 11 | 16 |
| Analog In Pins | 1 | 1 | 16 |
| ADC Range | 0-3.3V | 0-3.3V | 0-3.3V |
| UART | 1 | 1 | 2 |
| SPI | 1 | 1 | 1 |
| I2C | 1 | 1 | 1 |
| CAN | - | - | 2 |
| WiFi Built-In | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n |
| Bluetooth Built-in | - | - | Bluetooth 4.2 |
| Inbuilt sensor | No inbuilt sensor | No inbuilt sensor | Inbuilt hall sensor, temperature sensor |
Check out ESP32-CAM with OV2640 – Capture and stream with ease.
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The ESP32 NodeMCU CP2102 30-pin board uses the Silicon Labs CP2102 chip as its USB-to-UART bridge. This is the component that lets your computer talk to the ESP32 over USB; without it working correctly, the Arduino IDE won't detect your board, no COM port will appear, and code uploads will fail silently.
Understanding which chip your board uses matters because the CP2102 and the CH340 (used on the 38-pin variant) require different drivers. Installing the wrong one is the most common reason first-time ESP32 users get stuck.
Look for a small rectangular IC near the Micro-USB port. On this 30-pin board it is labelled CP2102 or CP210x. If your board has a chip marked CH340 or CH341, you have the 38-pin variant; the driver and setup steps below will not apply.
CP2102 driver installation (Windows, macOS, Linux)
Windows 10 / 11
Windows 10 and 11 often install the CP210x driver automatically when you plug in the board. If a COM port does not appear in Device Manager under "Ports (COM & LPT)":
macOS (Ventura / Sonoma)
macOS Ventura and later include a built-in CP210x driver — no manual installation is needed for most users. If the port does not appear under /dev/cu.usbserial-*:
Linux (Ubuntu / Debian)
The CP210x driver is built into the Linux kernel as of 2.6.12 — no installation is needed. The board will appear as /dev/ttyUSB0 or similar. If it does not:
lsmod | grep cp210x
If the module is not loaded: sudo modprobe cp210x. You may also need to add your user to the dialout group:
sudo usermod -aG dialout $USER
Log out and back in for the change to take effect.
Once the driver is working and a COM port is visible, follow these steps in Arduino IDE 2.x:
Step 1 — Add the ESP32 board URL
Go to File → Preferences and paste this URL into "Additional boards manager URLs":
Step 2 — Install the ESP32 board package
Go to Tools → Board → Boards Manager, search for esp32, and install the package by Espressif Systems (version 2.x or later recommended).
Step 3 — Select the correct board
Go to Tools → Board → ESP32 Arduino and select NodeMCU-32S or ESP32 Dev Module. Either works for this 30-pin board.
Step 4 — Select the COM port
Go to Tools → Port and select the COM port that appeared after driver installation (e.g. COM3 on Windows, /dev/ttyUSB0 on Linux, /dev/cu.usbserial-* on macOS).
Step 5 — Upload a test sketch
Open File → Examples → 01.Basics → Blink, change the LED pin to 2 (the onboard LED on this board), and click Upload. Hold the BOOT button on the board for 1–2 seconds when "Connecting…" appears in the console if the upload does not start automatically.
Step 6 — Verify
The onboard LED should blink at 1-second intervals. If it does, your CP2102 driver and Arduino IDE setup are working correctly.
| Feature | NodeMCU 32 (30 Pin) ESP32 | Standard ESP8266 NodeMCU | Generic ESP32 Board (Low-cost Clone) |
|---|---|---|---|
| Microcontroller | ESP32 Dual-Core Tensilica LX6 | ESP8266 Single-Core | ESP32 (variant may vary) |
| Clock Speed | Up to 240 MHz | 80–160 MHz | Up to 240 MHz |
| WiFi | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n |
| Bluetooth | Bluetooth 4.2 + BLE | Not Available | Bluetooth (may vary) |
| GPIO Pins | 30 Pin Layout | ~17 Usable GPIOs | Varies |
| Operating Voltage | 3.3V | 3.3V | 3.3V |
| USB Interface | Micro USB with Onboard Converter | Micro USB | Micro USB / Type-C (Varies) |
| Performance | High-performance IoT & AI-ready | Suitable for Basic IoT Projects | Quality & Stability May Vary |
| Feature | ESP32 | ESP8266 |
|---|---|---|
| Processor | Dual-core (up to 240 MHz) | Single-core (80/160 MHz) |
| WiFi | Yes | Yes |
| Bluetooth | Yes (Classic + BLE) | No |
| GPIO Pins | ~30+ | ~17 |
| ADC (Analog Input) | Up to 18 channels | 1 channel |
| DAC (Analog Output) | 2 channels | No |
| PWM Channels | Up to 16 | Limited |
| RAM | ~520 KB | ~160 KB |
| Power Consumption | Slightly higher | Lower |
| Security Features | Advanced (secure boot, encryption) | Basic |
| Special Features | Touch sensors, camera support | Basic IoT features |
| Cost | Slightly higher | More affordable |
| Best Use Case | Advanced IoT, robotics, multitasking | Simple IoT, home automation |
| Processor | Two Low-Power Xtensa 32-bit LX6 Microprocessors |
| Operating voltage (v) | 3.0V – 3.6V |
| Operating current (mA) | 80 |
| Clock Frequency (MHz) | 80 ~ 240 |
| Flash memory (MB) | 4 |
| Data Rate (Mbps) | 150 |
| SRAM Memory (KB) | 520 |
| Dimension(LxWxH) | 28 x 50 x 14 mm |
| Weight | 15gm |
When comparing ESP32 vs ESP8266 which is better for projects, ESP32 is generally the better choice due to:
ESP8266 is still useful for simpler and low-cost projects.
