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- 06:00, 25 August 2025 Visuino talk contribs created page Microchip MCP23018 GPIO (I2C) (Created page with "Image:TArduinoMCP23018GPIO.png == Summary == Provides GPIO expansion via I2C using the Microchip MCP23018 chip with ports A and B. == Description == The **Microchip MCP23018 GPIO (I2C)** component exposes 16 digital GPIO pins organized in two banks: * Port A: Channel[0] – Channel[7] * Port B: Channel[0] – Channel[7] Each channel can be independently configured as input or output, with support for inversion and internal pull-ups. <b>Diagram:</b>...")