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The ESP32 Breakout Board GPIO 1-to-2 is a practical expansion accessory designed for 38-pin ESP32S / ESP32 development boards, allowing each GPIO pin to be split into two accessible outputs. This makes prototyping, testing, and wiring significantly easier when working with multiple peripherals, sensors, or modules.
By breaking out each ESP32 GPIO into duplicated pin headers, this board eliminates the need for jumper wire stacking and reduces connection strain on the ESP32 itself. It is ideal for breadboard-based development, rapid prototyping, and educational use where clean, organised wiring is essential.
The breakout board is fully compatible with ESP32 2.4 GHz dual-core development boards and works seamlessly with the Arduino IDE as well as other ESP32 development environments.
GPIO 1-to-2 breakout for easier signal access
Compatible with 38-pin ESP32S / ESP32 development boards
Clean and organised pin duplication for prototyping
Reduces wiring complexity and pin congestion
Ideal for breadboard and test setups
Supports ESP32 dual-core 2.4 GHz Wi-Fi & Bluetooth boards
Supported boards: ESP32 / ESP32S 38-pin development boards
GPIO layout: Each GPIO duplicated (1-to-2)
Frequency support: 2.4 GHz (via ESP32 host board)
Microcontroller compatibility: ESP32 dual-core
Development environment: Arduino IDE compatible
Mounting style: Through-hole pin headers
Board type: Passive breakout (no active components)
ESP32 prototyping and development
Sensor and module expansion
IoT and wireless projects
Breadboard testing
Educational electronics and robotics
Rapid GPIO testing and debugging
The ESP32 GPIO 1-to-2 Breakout Board is an essential accessory for developers who need clean, reliable, and flexible access to ESP32 GPIO pins without modifying or soldering directly to the main development board.
