Product details
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
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
Yes
GPIO Pins
17 (11 Usable Pins)
38 (32 Usable Pins)
PWM
8 Channels
16 Channels
ADC
10-bit
12-bit
TWAI
Power Consumption
Approx. 70.5 mA
Approx. 80~90mA
Working Temperature
-40ºC to 125ºC
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
Breadboard Friendly
ESP-WROOM-32 ESP32 ESP-32S Development Board
ESP32-WROOM module
~30–38 GPIO
Basic ESP32 Dev Board
Espressif ESP32 DevKitM-1 Development Board
ESP32 (Official)
Configurable Flash
Official GPIO Map
USB-C
Official Espressif Dev Kit
ESP32-DEVKIT-IE ESP32 WiFi BLE Development Board
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
Configuring ESP32 as a Web Server | IoT Project
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
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
Yes
GPIO Pins
17 (11 Usable Pins)
38 (32 Usable Pins)
PWM
8 Channels
16 Channels
ADC
10-bit
12-bit
TWAI
Power Consumption
Approx. 70.5 mA
Approx. 80~90mA
Working Temperature
-40ºC to 125ºC
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
Breadboard Friendly
ESP-WROOM-32 ESP32 ESP-32S Development Board
ESP32-WROOM module
~30–38 GPIO
Basic ESP32 Dev Board
Espressif ESP32 DevKitM-1 Development Board
ESP32 (Official)
Configurable Flash
Official GPIO Map
USB-C
Official Espressif Dev Kit
ESP32-DEVKIT-IE ESP32 WiFi BLE Development Board
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
Configuring ESP32 as a Web Server | IoT Project
