ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board
ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board
Key Points
- Perfect choice as the best ESP32 board for IoT and home automation projects
- IoT and Automation: Robocraze ESP32 Development Board is the perfect solution for IoT, home automation, and robotics.
- Versatile Connectivity: It features WiFi and Bluetooth onboard for seamless communication with other devices.
- Extensive GPIO Pins: With 38 pins, including analog and power pins, it offers a wide range of input/output options, making it ideal for users searching for an ESP32 38 pin development solution.
- Arduino Programming: This open-source development board is programmable using the Arduino language.
- Sensor Compatibility: It's compatible with a variety of sensors and actuators for diverse project possibilities.
- Robust Build: Made with the latest ESP-WROOM-32 module, it ensures high performance and reliability.
- Easy-to-Use: Designed to be user-friendly, it's perfect for both beginners and experienced developers.
- Tips: When you download the program to ESP32, you need to press the IOO button for 1-2 seconds.
Description
ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board
The ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board is a versatile microcontroller development board designed for IoT, home automation, robotics, embedded systems, and wireless electronics projects. Built around the ESP-WROOM-32 module, it combines a powerful dual-core processor with built-in WiFi and Bluetooth connectivity, allowing you to develop connected applications without requiring separate wireless modules.
With 38 pins and multiple GPIO, PWM, ADC, DAC, UART, SPI, and I2C interfaces, the board provides flexible connectivity for sensors, displays, motors, relays, and other electronic components. Its compatibility with the Arduino IDE makes it accessible to students and beginners while providing the processing capability required for more advanced IoT and embedded projects.
Whether you are developing a smart home system, wireless sensor network, robotics project, data logger, or connected prototype, this ESP32 development board provides a practical combination of processing power, wireless connectivity, and peripheral support.
The board is also suitable for developers looking for an affordable ESP32 NodeMCU board for IoT and embedded applications, with a large developer community and extensive software support.
Features
ESP-WROOM-32 Module
The ESP-WROOM-32 module combines processing and wireless capabilities in a compact platform, making it suitable for connected IoT and embedded applications.
Dual-Core Processor
The dual-core processor provides the processing capability needed for multitasking applications involving wireless communication, sensors, automation, and data processing.
Built-in WiFi & Bluetooth
Integrated WiFi and Bluetooth allow the board to communicate wirelessly with networks, smartphones, sensors, and other connected devices without requiring additional communication modules.
38-Pin Design
The 38-pin layout provides access to multiple GPIO and peripheral interfaces, giving developers greater flexibility when connecting sensors, displays, motors, and other components.
Arduino IDE Compatibility
Arduino IDE compatibility simplifies programming and prototyping, making the board suitable for beginners as well as experienced developers working on ESP32 projects.
Low-Power Operation
Its power-efficient design makes the ESP32 suitable for battery-powered IoT devices, wireless sensors, monitoring systems, and other embedded applications.
ESP32 38-Pin Pinout Diagram
Why Choose This ESP32 Development Board?
The ESP32 38-Pin Development Board combines wireless connectivity, processing performance, and extensive peripheral support in a single development platform.
- Built-in WiFi and Bluetooth: Develop connected devices without separate wireless modules.
- Powerful processing: Suitable for multitasking IoT and embedded applications.
- Extensive GPIO access: Connect multiple sensors, modules, displays, and actuators.
- Arduino-compatible: Makes programming and prototyping easier for beginners.
- Flexible communication: Supports interfaces such as UART, SPI, I2C, ADC, DAC, and PWM.
- Suitable for advanced projects: Supports applications ranging from simple DIY electronics to complex IoT prototypes.
- Large developer ecosystem: Access a wide range of libraries, tutorials, documentation, and community resources.
ESP8266 vs. ESP32
| Features | ESP8266 | ESP32 |
|---|---|---|
| Microcontroller | Xtensa Single-core 32-bit L106 | Xtensa Dual-Core 32-bit LX6 with 600 DMIPS |
| Frequency (MHz) | 80 | 160 to 240 |
| Bluetooth | No | Bluetooth 4.2 and BLE |
| SRAM | No | Yes |
| GPIO Pins | 17 (11 Usable Pins) | 38 (32 Usable Pins) |
| PWM | 8 Channels | 16 Channels |
| ADC | 10-bit | 12-bit |
| TWAI | No | Yes |
| Power Consumption | Approx. 70.5 mA | Approx. 80–90 mA |
| Working Temperature | -40°C to 125°C | -40°C to 125°C |
| Price | Comparatively lesser than ESP32 | Comparatively higher than ESP8266 |
ESP32 Development Board Specifications Comparison
| Board | Processor & Cores | Wireless | Flash / RAM | GPIO Count | USB Support | Target Use |
|---|---|---|---|---|---|---|
| ESP32 NodeMCU-32 (38 Pin) | ESP32 (Dual-core Tensilica LX6) | Wi-Fi + Bluetooth 4.2 | ~4MB Flash + SRAM (module dependent) | 32+ usable | USB-UART | General IoT & Prototyping |
| ESP32 Development Board with WiFi and Bluetooth - 30 PIN | ESP32 (Dual-core) | Wi-Fi + Bluetooth | ~4MB Flash | ~30 GPIO | USB-UART | Breadboard Friendly |
| ESP-WROOM-32 ESP32 ESP-32S Development Board | ESP32-WROOM module | Wi-Fi + Bluetooth | ~4MB Flash | ~30–38 GPIO | USB-UART | Basic ESP32 Dev Board |
| Espressif ESP32 DevKitM-1 Development Board | ESP32 (Official) | Wi-Fi + Bluetooth | Configurable Flash | Official GPIO Map | USB-C | Official Espressif Dev Kit |
| ESP32-DEVKIT-IE ESP32 WiFi BLE Development Board | ESP32 | Wi-Fi + Bluetooth | Varies | Standard Headers | USB | Standard Dev Kit |
Who Should Buy This Product?
Students
Ideal for students learning Arduino programming, IoT, embedded systems, wireless communication, and microcontroller development through practical projects.
Makers & DIY Enthusiasts
Suitable for building smart home devices, wireless controllers, automation systems, electronic gadgets, and custom DIY projects.
IoT Developers
Useful for developing WiFi and Bluetooth-enabled IoT devices, wireless sensor networks, monitoring systems, and connected prototypes.
Robotics Engineers
Supports sensors, motor controllers, communication modules, and other peripherals required for robotics and automation projects.
Educators & Training Institutes
A practical development platform for electronics labs, engineering projects, STEM education, and IoT training programs.
Embedded System Developers
Suitable for prototyping connected embedded systems, industrial monitoring solutions, smart devices, and automation applications.
Ideal For
IoT Development
Build WiFi and Bluetooth-enabled connected devices, wireless sensors, and smart monitoring systems.
Home Automation
Develop smart switches, lighting controls, security systems, environmental monitors, and other connected home applications.
Robotics
Connect sensors, motor drivers, communication modules, and control systems for robotics and automation projects.
Smart Agriculture
Develop wireless monitoring systems for soil conditions, temperature, humidity, irrigation, and other agricultural parameters.
Industrial Automation
Use the board for monitoring, data collection, wireless control, and embedded automation prototypes.
STEM & Engineering Projects
A practical platform for students and educators learning microcontrollers, programming, IoT, electronics, and wireless communication.
DIY Electronics
Suitable for makers developing custom gadgets, controllers, sensors, data loggers, and experimental electronics projects.
ESP32 Development Board Price in India
The ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board price in India is ₹489 at Robocraze. The final price may vary depending on stock availability, ongoing offers, and promotional discounts.
Robocraze provides ESP32 development boards and electronic components for students, makers, developers, educators, and robotics enthusiasts across India. The product is securely packaged and supported by technical assistance and customer support.
Why Buy from Robocraze?
- Genuine ESP32 Development Board
- Verified sourcing
- Quality-tested product
- Secure packaging
- Shipping across India
- GST invoice available
- Dedicated technical support
- Reliable after-sales assistance
Specifications
Package Includes:
- 1 x ESP32 Development Board (38 Pin)
ESP32 38 pin NodeMCU Board Specifications:
| SPI Flash | 32Mbit(default) |
|---|---|
| Current | 80 mA |
| Supply Voltage | 2.2 V ~ 3.6 V |
| Dimensions | 5 x 4 x 3cms |
| Weight | 15 grams |
| Specifications |
32Mbit(default)
Specifications:
15 grams
Shipping & Return
Shipping Policy
- Free Delivery on all Orders Above Rs 999/-
- All orders confirmed before 3:00 PM IST are shipped the same day, barring rare pickup delays on holidays or disturbances.
- Delivery time in Metro cities is 1–3 days; for other locations, it is 3–7 days. Delivery varies based on location and courier service.
Return & Refund Policy
- Return window: 7 days from receipt unless stated otherwise.
- No refunds or replacements after the return window.
- Returns are accepted only for non-working or damaged products.
- Initiate return requests via a Support ticket or contact us.
- Refunds are processed within 3–4 working days after inspection and approval.
| 9INE Part No | 103- |
|---|