Reference: RBD-3591
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The ESP32 38-Pin GPIO Expansion Board with Screw Terminal Adapter is a practical and reliable breakout solution designed to make ESP32 GPIO access easier, cleaner, and more reusable. Instead of working directly on a breadboard or soldering jumper wires, this expansion board brings all 38 GPIO pins out to clearly labeled screw terminals, allowing fast, secure, and tool-friendly wiring.
The ESP32 38-Pin GPIO Expansion Board with Screw Terminal Adapter is a practical and reliable breakout solution designed to make ESP32 GPIO access easier, cleaner, and more reusable. Instead of working directly on a breadboard or soldering jumper wires, this expansion board brings all 38 GPIO pins out to clearly labeled screw terminals, allowing fast, secure, and tool-friendly wiring.
Built with a dual-layer PCB design, the board provides excellent mechanical stability and electrical reliability. Each GPIO pin from the ESP32 is expanded into two accessible points, making it easy to reuse pins across multiple peripherals such as sensors, relays, displays, and communication modules. This makes the board an excellent alternative to breadboards for both prototyping and semi-permanent installations.
The screw terminal layout is especially useful for users working with thicker wires, field installations, or frequent wiring changes. Simply insert the wire and tighten—no soldering required.
Compatibility Note:
This expansion board is only compatible with the 38-pin narrow ESP32 development boards without mounting holes. It is not compatible with ESP-WROOM-32 DevKit V1 boards. Please confirm your ESP32 pin width before purchasing.
Designed specifically for 38-pin narrow ESP32 boards
Screw terminal adapter for secure, solder-free connections
Dual-layer PCB for improved stability and durability
Each GPIO pin expanded for easy reuse
Clean and organized alternative to breadboards
Ideal for DIY projects, testing, and rapid development
PCB material: High-quality FR-4
PCB layers: 2
PCB thickness: 1.6 mm
Board size: 7.8 × 6.3 × 1.0 cm
ESP32 prototyping and testing
IoT development and sensor wiring
Robotics and automation projects
Educational labs and demonstrations
Semi-permanent ESP32 installations
1 × ESP32 38-Pin GPIO Expansion Board with Screw Terminals
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The ESP32 38-Pin GPIO Expansion Board with Screw Terminal Adapter is a practical and reliable breakout solution designed to make ESP32 GPIO access easier, cleaner, and more reusable. Instead of working directly on a breadboard or soldering jumper wires, this expansion board brings all 38 GPIO pins out to clearly labeled screw terminals, allowing fast, secure, and tool-friendly wiring.
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