The MCP23017/MCP23S17 (MCP23X17) device family provides 16-bit, general purpose parallel I/O expansion for I2C bus or SPI applications. The two devices differ only in the serial interface:

Buy now, ships today. MCP23017-E/SP - I/O Expander 16 I2C 1.7 MHz 28-SPDIP from Microchip Technology. View datasheets, pricing and availability from DigiKey now!

The MCP23017 uses two i2c pins (these can be shared with other i2c devices), and in exchange gives you 16 general purpose pins. You can set each of 16 pins to be input, output, or input with a pullup.

MCP23017 I/O Expander Module - 16 GPIO Port Expander Breakout Board with I2C Interface, Dual Voltage 3.3V/5V Logic, Compatible with Raspberry Pi, Arduino, STM32 Boards

Nov 19, 2022 · Here you will learn how to use the GPIO Expander MCP23017 with an Arduino to control up to 128 GPIOs pins via the I2C interface.

MCP23017-E/SP Microchip Technology Interface - I/O Expanders 16bit Input/Output Exp I2C interface datasheet, inventory, & pricing.

Microchip Technology is an American semiconductor company that was founded in 1989. The company provides a wide range of microcontrollers, analog, memory, and security products for various …

Mar 18, 2024 · Learn about the MCP23017 I/O expander, its features, pinout configuration, Arduino interfacing, troubleshooting tips, and common applications. Gain insights into expanding I/O …

Complete MCP23017 Arduino tutorial covering I2C GPIO expansion from basics to advanced applications. Learn wiring, addressing, library usage, and practical projects including LED control, …

Learn how to use the MCP23017 with detailed documentation, including pinouts, usage guides, and example projects. Perfect for students, hobbyists, and developers integrating the MCP23017 into …