SKU: IOWC-1318
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ESP32 Development Board 38-Pin GPIO Expansion Board w/ Type-C & Micro USB

₹198.00 (Inclusive of all taxes)
Out of Stock

This ESP32 expansion board provides a standard 38-pin GPIO interface for ESP32 development modules, featuring dual USB (Type-C and Micro) and DC power inputs for flexible prototyping and sensor integration in IoT applications.

Features

  • Standard 38-pin GPIO breakout for ESP32 modules, compatible with NodeMCU-32S and similar narrow-format boards.
  • Triple power supply options: DC socket, Micro USB, and modern Type-C USB for versatile project powering.
  • All I/O ports are broken out to individual male and female header pins for rapid sensor and peripheral wiring.
  • Designed specifically for 38-pin ESP32 variants (narrow version without mounting holes); verify board compatibility.
  • Compact and lightweight form factor ideal for breadboarding and integrating into final IoT device enclosures.

Out of stock

Description

The ESP32 38-Pin GPIO Expansion Board serves as a universal interface adapter for ESP32-based development modules, streamlining the prototyping process for IoT systems. It breaks out all GPIO, power, and communication pins from a standard 38-pin ESP32 module to clearly labeled headers, eliminating the need for direct soldering to the main board during testing.

Engineered for reliability, the board supports three distinct power input methods—a DC jack for external power supplies, a Micro USB port, and a Type-C USB connector—providing maximum flexibility for lab bench and field deployment scenarios. Its pinout is specifically matched to narrow-format ESP32 modules, ensuring electrical compatibility for Wi-Fi, Bluetooth, ADC, DAC, and serial communication interfaces.

Key Features

  • Universal breakout interface for 38-pin ESP32 development modules (e.g., NodeMCU-32S).
  • Triple-input power management: DC jack (5.5mm/2.1mm), Micro USB, and USB Type-C ports.
  • All I/O pins accessible via male and female header rows for easy daisy-chaining or sensor connection.
  • Compact PCB design optimized for breadboard use and integration into project enclosures.
  • Clear pin labeling simplifies wiring and reduces connection errors during prototyping.
  • Provides stable power distribution and signal routing for reliable ESP32 operation.

Applications

  • Rapid prototyping of ESP32-based IoT devices and smart home automation nodes.
  • Educational tool for learning ESP32 GPIO, ADC, DAC, and communication peripherals.
  • Development testbed for connecting multiple sensors, displays, and actuators to an ESP32 module.
  • Breadboard-friendly interface for creating portable data loggers or wireless sensor networks.

Technical Specifications

Compatible Module38-pin narrow-format ESP32 (e.g., ESP-WROOM-32, NodeMCU-32S)
InterfaceStandard 38-pin GPIO breakout
USB Ports1x Micro USB, 1x USB Type-C
DC Power Input1x DC Jack (5.5mm/2.1mm)
Power Supply5V via USB or DC jack (regulated to 3.3V for ESP32)
DimensionsApprox. 9cm x 6cm
Weight30g (board only)

Frequently Asked Questions

Which ESP32 modules are compatible with this expansion board?

This board is designed specifically for 38-pin narrow-format ESP32 modules like the NodeMCU-32S or the ESP-WROOM-32 in a similar narrow pinout configuration. It is not compatible with wider boards like the ESP32 DevKit V1 which has different pin spacing. Always verify your module's pin width and the absence of mounting holes before use.

How do I power the ESP32 using this expansion board?

You can power the system via any of the three inputs: the USB Type-C port, the Micro USB port, or the DC jack (5.5mm/2.1mm). The board regulates the 5V input from USB or DC down to the 3.3V required by the ESP32 module. Ensure your power supply provides adequate current (typically 500mA minimum) for stable Wi-Fi/Bluetooth operation.

Can I use this board to program the ESP32 module?

Yes, you can program the ESP32 module while it is seated on this expansion board. Connect a USB cable (Type-C or Micro) from your computer to the corresponding port on the board. The USB-to-serial bridge on the ESP32 module itself will be accessible, allowing you to flash firmware using the Arduino IDE, ESP-IDF, or PlatformIO as usual.

Package Includes

  • 1 x ESP32 38-Pin GPIO Expansion Board

Additional Information

Weight 0.3 kg
Dimensions 6 × 9 × 3 cm