Expandable 16 Bit GPIO Board With I2C For Robotics And Smart Hardware, Cascadable GPIO Expansion Up To 128 Ports, No Hassle Integration With Microcontrollers And Development Boards, Plug And Play Ready And Reliable Performance

High-Capacity 16-Bit GPIO I2C Board for Robotics (1 Set)
✔️ Cascadable up to 128 ports via MCP23017 I2C expander

This PCB-based GPIO expansion module uses the MCP23017 16-bit I/O expander with I2C interface to extend microcontroller capabilities. It’s ideal for robotics, smart home controllers, sensor arrays, and prototyping with development boards.

✅ 16-bit I/O expander using I2C (MCP23017) for scalable I/O
✅ Cascadable up to 128 ports to grow projects
✅ Plug-and-play with major microcontrollers and development boards
✅ Low power design for embedded systems and robotics
✅ Robust PCB module with easy installation and reliable operation

💡 What is a handy way to boost I/O with a GPIO I2C expander in hobby and industrial projects?
- Handy expansion for microcontrollers to handle sensors and LEDs
- Low power, reliable I2C communication for prototypes
- Cascadable up to 128 ports to scale with projects

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