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ESP32-WROOM-32 Core Dev Board for ESP32 Development vs 38Pin ESP32 Breakout Board for ESP32 Development Board 2.4 GHz WiFi Dual Core fo

Updated August 2026The ESP32-WROOM-32 Core Dev Board is the better choice for most IoT projects due to its superior processing power and connectivity options.

The ESP32-WROOM-32 Core Dev Board is the better choice for most IoT projects due to its superior processing power and connectivity options.

Why ESP32-WROOM-32 Core Dev Board for ESP32 Development is better

Price

C$13.99 is cheaper than C$19.39

Connectivity

Supports both Wi-Fi and Bluetooth

Processing

Dual-core architecture for better performance

Why 38Pin ESP32 Breakout Board for ESP32 Development Board 2.4 GHz WiFi Dual Core fo is better

GPIO Expandability

Transforms one GPIO pin into two

Build Quality

Double-layer PCB for stability

Ease of Use

Fully soldered, no assembly required

Overall score

ESP32-WROOM-32 Core Dev Board for ESP32 Development
85
38Pin ESP32 Breakout Board for ESP32 Development Board 2.4 GHz WiFi Dual Core fo
70

Specifications

SpecESP32-WROOM-32 Core Dev Board for ESP32 Development38Pin ESP32 Breakout Board for ESP32 Development Board 2.4 GHz WiFi Dual Core fo
MicrocontrollerESP32ESP32
Wi-FiYesYes
BluetoothYesNo
Development Env.Arduino IDENot specified
GPIO ExpandabilityNoYes

Dimension comparison

ESP32-WROOM-32 Core Dev Board for ESP32 Development38Pin ESP32 Breakout Board for ESP32 Development Board 2.4 GHz WiFi Dual Core fo

Overview of the Products

When it comes to ESP32 development, the ESP32-WROOM-32 Core Dev Board and the 38Pin ESP32 Breakout Board are two compelling options. Priced at C$13.99, the ESP32-WROOM-32 offers a well-rounded package for IoT projects, while the 38Pin ESP32 Breakout Board is available for C$19.39 and provides additional GPIO expandability. Both boards cater to different needs within the realm of IoT development, making them worthy of consideration for both hobbyists and professionals.

Performance and Capabilities

The ESP32-WROOM-32 Core Dev Board is powered by the ESP32 microcontroller unit, delivering exceptional processing capabilities. This dual-core architecture allows for efficient handling of multiple tasks, which is essential in complex IoT applications. In contrast, the 38Pin ESP32 Breakout Board, while compatible with the ESP8266 ESP-12E, focuses more on expanding GPIO capabilities. It transforms one GPIO pin into two, which can be particularly useful for large-scale smart home projects. However, its primary performance is tied to the ESP32, making it less powerful as a standalone development board compared to the ESP32-WROOM-32.

Connectivity Features

Both boards feature robust connectivity options, but the ESP32-WROOM-32 excels with its dual connectivity options. It supports both Wi-Fi and Bluetooth, giving developers a flexible approach to connect their IoT devices. This capability is crucial for applications that require remote control and data communication. On the other hand, the 38Pin ESP32 Breakout Board does not specify Bluetooth support, indicating that its connectivity may be limited primarily to Wi-Fi. For developers looking to implement Bluetooth in their projects, the ESP32-WROOM-32 is clearly the superior choice.

Target Audience and Use Cases

The ESP32-WROOM-32 Core Dev Board is tailored for IoT developers, making it an ideal choice for those looking to create intelligent and connected devices. Its compatibility with popular development environments like Arduino IDE simplifies the coding process, thereby reducing development time significantly. Conversely, the 38Pin ESP32 Breakout Board is more suited for users who require additional GPIO connections for specific projects. Its design allows for easy integration into larger systems, making it an excellent choice for those focusing on smart home automation.

Build Quality and Design

In terms of build quality, the ESP32-WROOM-32 Core Dev Board is designed to be user-friendly and development-friendly, which is crucial for both novice and experienced developers. It features a layout that supports various sensors and actuators, ensuring a seamless integration for different IoT applications. The 38Pin ESP32 Breakout Board, however, boasts a double-layer PCB that enhances circuit reliability and stability. This board has been fully soldered, removing the need for users to solder components themselves, which can be advantageous for those who are not confident in their soldering skills.

Price Considerations

When comparing prices, the ESP32-WROOM-32 Core Dev Board is more budget-friendly at C$13.99, making it an attractive option for those just starting their IoT journey. In contrast, the 38Pin ESP32 Breakout Board comes at a higher price of C$19.39. The price difference reflects the added GPIO functionality and build quality of the breakout board. For developers on a budget, the ESP32-WROOM-32 provides excellent value without compromising on essential features.

Compatibility and Expandability

The ESP32-WROOM-32 is designed for broad compatibility with various sensors and actuators, making it a versatile choice for numerous projects. Its development-friendly nature allows users to quickly adapt the board to different environments. On the other hand, the 38Pin ESP32 Breakout Board shines in its expandability, transforming a single GPIO pin into two. This feature is particularly beneficial for projects that require multiple inputs or outputs but may limit overall flexibility compared to the more integrated functionalities of the ESP32-WROOM-32.

Which should you buy?

Deciding between the ESP32-WROOM-32 Core Dev Board and the 38Pin ESP32 Breakout Board depends largely on your specific project needs. If you are looking for a cost-effective, versatile solution that offers robust processing power and connectivity, the ESP32-WROOM-32 is the clear winner at C$13.99. However, if your project requires additional GPIO connections and you are willing to invest a bit more at C$19.39 for enhanced expandability, the 38Pin ESP32 Breakout Board may be the better choice. Ultimately, both boards have their strengths, and your decision should align with your project requirements and budget constraints.

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ESP32-WROOM-32 Core Dev Board for ESP32 Development vs 38Pin ESP32 Breakout Board for ESP32 Development Board 2.4 GHz WiFi Dual Core fo | versusfinder