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ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board
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Tips: When you download the program to ESP32, you need to press the IOO button for 1-2 seconds.
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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.
Looking for ideas? Check out our guide on the best ESP32 projects for beginners.
See how we built a WiFi-controlled car using an ESP32 development board.
The ESP-WROOM-32 module combines processing and wireless capabilities in a compact platform, making it suitable for connected IoT and embedded applications.
The dual-core processor provides the processing capability needed for multitasking applications involving wireless communication, sensors, automation, and data processing.
Integrated WiFi and Bluetooth allow the board to communicate wirelessly with networks, smartphones, sensors, and other connected devices without requiring additional communication modules.
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 simplifies programming and prototyping, making the board suitable for beginners as well as experienced developers working on ESP32 projects.
Its power-efficient design makes the ESP32 suitable for battery-powered IoT devices, wireless sensors, monitoring systems, and other embedded applications.
The ESP32 38-Pin Development Board combines wireless connectivity, processing performance, and extensive peripheral support in a single development platform.
| 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 |
| 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 | 32+ usable | USB-UART | General IoT & Prototyping |
| ESP32 Development Board (30 PIN) | ESP32 (Dual-core) | Wi-Fi + Bluetooth | ~4MB Flash | ~30 GPIO | USB-UART | Breadboard Friendly |
| ESP32-C3 Development Board | RISC-V 32-bit Single-core (160 MHz) | Wi-Fi + Bluetooth 5 (LE) | 4MB Flash / 400KB SRAM | 22 usable | Native USB / UART | Budget IoT, Smart Home, Low-power |
| ESP32-S3 Development Board | Xtensa Dual-core LX7 + AI Vector Instructions | Wi-Fi + Bluetooth 5 (LE) | 8MB+ Flash / 512KB SRAM | 45+ usable (More touch) | Native USB + UART | AI/ML, Edge Computing, Advanced Robotics |
| ESP-WROOM-32 ESP-32S Dev Board | ESP32-WROOM module | Wi-Fi + Bluetooth | ~4MB Flash | ~30–38 GPIO | USB-UART | Basic ESP32 Dev Board |
Ideal for students learning Arduino programming, IoT, embedded systems, wireless communication, and microcontroller development through practical projects.
Suitable for building smart home devices, wireless controllers, automation systems, electronic gadgets, and custom DIY projects.
Useful for developing WiFi and Bluetooth-enabled IoT devices, wireless sensor networks, monitoring systems, and connected prototypes.
Supports sensors, motor controllers, communication modules, and other peripherals required for robotics and automation projects.
A practical development platform for electronics labs, engineering projects, STEM education, and IoT training programs.
Suitable for prototyping connected embedded systems, industrial monitoring solutions, smart devices, and automation applications.
Build WiFi and Bluetooth-enabled connected devices, wireless sensors, and smart monitoring systems.
Develop smart switches, lighting controls, security systems, environmental monitors, and other connected home applications.
Connect sensors, motor drivers, communication modules, and control systems for robotics and automation projects.
Develop wireless monitoring systems for soil conditions, temperature, humidity, irrigation, and other agricultural parameters.
Use the board for monitoring, data collection, wireless control, and embedded automation prototypes.
A practical platform for students and educators learning microcontrollers, programming, IoT, electronics, and wireless communication.
Suitable for makers developing custom gadgets, controllers, sensors, data loggers, and experimental electronics projects.
To program your ESP32 development board via the Arduino IDE or ESP-IDF, your computer must communicate with the board’s onboard USB-to-UART bridge chip. Most Robocraze ESP32 38-pin boards use either the CP2102 or CH340 chip.
If your computer shows an "Unknown USB Device" error or the Arduino IDE fails to detect a COM port, you simply need to install the correct driver. Follow these quick steps:
Download the official, safe drivers based on your identified chip:
The ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board price in India starts at ₹430 in 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.
| SPI Flash | 32Mbit(default) |
| Current | 80 mA |
| Supply Voltage | 2.2 V ~ 3.6 V |
| Dimensions | 5 x 4 x 3cms |
| Weight | 15 grams |
Yes. The ESP32 development board features built-in WiFi and Bluetooth connectivity, allowing it to communicate with wireless networks, smartphones, sensors, and other compatible devices without requiring separate wireless modules.
Yes. The ESP32 development board is compatible with the Arduino IDE, making it suitable for beginners and experienced developers. It can also be used with ESP-IDF for more advanced ESP32 development.
The ESP32 is commonly used for IoT, home automation, robotics, wireless sensor networks, smart devices, industrial monitoring, data logging, embedded systems, and DIY electronics projects.
The ESP32 generally provides higher processing capability, more GPIO and peripheral options, and built-in Bluetooth in addition to WiFi. These features make it suitable for more advanced connected applications compared with the ESP8266.
This version features a 38-pin layout, providing access to multiple GPIO and communication interfaces. The available pins can be used with sensors, displays, motors, relays, and other electronic components depending on the specific configuration.
Yes. ESP32 supports WiFi and Bluetooth coexistence, allowing both wireless technologies to be used within supported applications. Actual performance depends on the software, bandwidth, connection requirements, and overall project configuration.
Yes. Its Arduino IDE compatibility, extensive documentation, community support, and wide range of example projects make it a suitable development board for beginners learning electronics, programming, IoT, and embedded systems.
The board is suitable for students, makers, IoT developers, robotics engineers, educators, hobbyists, and embedded system developers who need WiFi, Bluetooth, GPIO, and multiple peripheral interfaces for their projects.
The main difference between ESP32 30-pin and 38-pin development boards is the number of pins exposed on the headers. Both generally use the same ESP32 platform and provide Wi-Fi, Bluetooth, and similar programming support. The 38-pin version exposes additional GPIO and peripheral pins, offering more flexibility for connecting multiple sensors, displays, motors, and other modules. The exact pinout can vary by board, so check the pinout diagram before wiring.
You can build projects such as smart home automation systems, wireless sensor networks, IoT monitoring devices, robotics controllers, smart agriculture systems, Bluetooth devices, data loggers, and connected electronics prototypes.
Robocraze supplies ESP32 development boards sourced through verified channels. Products are quality-checked before dispatch, helping provide a reliable development platform for IoT, electronics, and embedded projects.
Yes. The board works with Arduino IDE, Espressif ESP-IDF, MicroPython and PlatformIO. For MicroPython, flash the official ESP32 firmware from micropython.org using esptool or Thonny, then code over USB serial.
No. ESP32 GPIO pins use 3.3V logic and are not 5V tolerant. The board can be powered with 5V through USB or VIN because the onboard regulator steps it down, but 5V signals on a GPIO can damage the chip. Use a level shifter or divider for 5V sensors.
The 38-pin ESP32 board is the DevKitC style board built on the ESP-WROOM-32 module. It breaks out every module pin, including GPIO0 and the SPI flash pins GPIO6 to GPIO11, which the 30-pin version leaves out.
For connected projects, yes. The ESP32 runs at up to 240MHz on two cores with 520KB SRAM and built-in WiFi and Bluetooth, while an Arduino UNO runs at 16MHz with 2KB SRAM and no wireless. The UNO is still simpler for beginners and works with 5V shields.
Espressif puts the processor, WiFi, Bluetooth, RF amplifiers and power management on one chip made in very high volume, and dev boards follow an open reference design built by many manufacturers. That keeps the cost low without cutting capability.
Nice I like it
ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board
ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board
ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board
ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board
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| Product | SKU | Description | Collection | Availability | Product Type | Other Details |
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It is Amazing and great item in this price
Veri usefull and cheap price from other shopping site, I use this module many project. Thank you robocraze
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