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Waveshare Pico Dual Expander — dual GPIO expander board 2 x 20 for Raspberry Pi Pico
Summary description:
Waveshare Pico Dual Expander is a dual GPIO expander board that provides two 20-pin (2 x 20) GPIO connectors for the Raspberry Pi Pico. Designed to extend available I/O, it enables connection of multiple sensors, modules and peripherals while preserving Pico form factor. Use it for prototyping, embedded projects and expanding pin availability for development and testing.