30 de julho de 2026

MCP23017 I/O Expander Module

This product utilizes the I2C interface to achieve 16 I/O port expansion. It is compatible with models such as Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B, as well as Arduino and STM32. We provide C and Python versions of the program for Raspberry Pi, as well as Arduino and STM32 versions, which enable input testing, output testing, and interrupt testing.