The ESP32 38-Pin GPIO Expansion Board is specifically designed for narrow, holeless 38-pin ESP32 development boards. It provides an efficient and organized way to expand GPIO connections, making prototyping and project wiring cleaner and more convenient.
With a durable dual-layer PCB design and built-in screw terminals, this breakout board eliminates the need for soldering while maximizing pin accessibility for advanced ESP32 projects.
⚙️ Technical Specifications
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Compatibility: Narrow 38-pin ESP32 development boards (holeless version)
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PCB Design: Dual-layer PCB
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GPIO Expansion: 1-to-2 pin expansion
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Connection Type: Screw terminals + 38-pin headers
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Board Size: 77 × 63 mm
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Package Includes: 2 × 38-pin GPIO expansion boards
🔌 Key Features
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Specifically designed for 38-pin ESP32 narrow boards
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Dual-layer PCB for enhanced durability and stability
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No soldering required
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Clean and organized wiring with screw terminals
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Efficient GPIO expansion (each GPIO split into two outputs)
🚀 Applications
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ESP32 IoT development
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Smart home automation
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Robotics and control systems
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Sensor integration projects
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STEM education and prototyping
💡 Why Use a GPIO Expansion Board?
ESP32 boards often have limited physical access space for wiring multiple peripherals.
This expansion board simplifies connections by duplicating GPIO pins and providing secure screw terminal connections, making complex projects easier to manage.
⚠️ Important Notes
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Compatible only with narrow 38-pin ESP32 development boards.
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Not compatible with 30-pin or wide versions.
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Please verify your ESP32 board layout before purchasing.
