Smartcomparisonlab September '26 Tested
Made with love
☀ Smart Gadgets

StampS3A ESP32-S3 Development Board with 1.14-Inch Screen and Keyboard

Sep 16, 2026
★ Top Pick
StampS3A ESP32-S3 Development Board with 1.14-Inch Screen and Keyboard
9.8
out of 10
The StampS3A is a remarkably compact ESP32-S3 development board that integrates a full 56-key keyboard and a vibrant 1.14-inch display into a palm-sized package. It is designed for developers and hobbyists who need a highly portable, programmable interface for complex edge computing tasks.

The StampS3A Development Board is one of the most intriguing pieces of hardware to cross my desk in 2026. By combining the versatile ESP32-S3 microcontroller with a physical keyboard and a crisp display, it essentially functions as a functional micro-computer for enthusiasts who enjoy tinkering on the move.

💡
Editor's Note: At just $69.00, this board offers an unmatched level of integrated hardware flexibility for such a small footprint.

Performance & Build Quality

Despite its tiny size, the build quality feels surprisingly robust and well-considered for a development board. The 56-key layout is impressively tactile given the constraints, and the internal ESP32-S3 chip manages power and performance tasks with significant efficiency.

Build Quality
4.89
Ease of Use
4.89
Value for Money
4.89
Overall
4.89

Day-to-Day Experience

Using the StampS3A is a unique experience that bridges the gap between raw hardware hacking and portable computing. The setup process is intuitive for anyone familiar with the ESP32 ecosystem, though the small screen size encourages brief, focused coding sessions rather than long-term development.

Who Should Buy This?

This is perfect for embedded systems engineers and makers who need a portable, tactile interface for testing and deploying code on the go.

Final Thoughts

Overall, the StampS3A earns a well-deserved 4.89/5 rating for its sheer utility and clever design. Priced at $69.00, it is a fantastic investment for anyone looking to push the boundaries of portable microcontroller projects.

Highly Recommended
With a 4.89/5 rating from 60 verified buyers, this product delivers solid value at $69.00.
Check Price Now
Overall
9.8
9.8/10
☀ The Verdict

StampS3A ESP32-S3 Development Board with 1.14-Inch Screen and Keyboard

The StampS3A is a remarkably compact ESP32-S3 development board that integrates a full 56-key keyboard and a vibrant 1.14-inch display into a palm-sized package. It is designed for developers and hobbyists who need a highly portable, programmable interface for complex edge computing tasks.

Buy Now · $69.00 →