MCP23017 16-Bit I/O Expander – Complete Guide
The MCP23017 16-bit I/O expander module is one of the easiest ways to add extra GPIO pins to your ESP32 project. The module is based on the MCP23017 from Microchip and gives you 16 additional, fully configurable I/O pins over a simple two-wire I²C bus. Running out of pins on a compact board like the ESP32-C6 SUPER MINI? This is the […]
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