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Adafruit MCP23017 I2C GPIO Expander Breakout STEMMA QT/Qwiic

Name: Adafruit MCP23017 I2C GPIO Expander Breakout STEMMA QT/Qwiic
Brand: Adafruit
SKU: 01b2c672644e387b740a9180736e81a5

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15.51

Description

Amazon This Adafruit MCP23017 I2C GPIO Expander Breakout has 16 GPIO with matching bottom pad. With 3 address pins, you can have up to 8 on a single bus for a total of 8 x 16 = 128 GPIO on an I2C bus! Solid Arduino and CircuitPython libraries with examples, all ready for this chip Comes with two sticks header, so you can use it in a breadboard, with some soldering. You can also connect free wire buttons by connecting one side to the GPIO (as input with pullup) and connecting the other side to a floor pad. It runs happily from 3V or 5V logic and current. Each GPIO can be an output of up to 25mA so LEDs are no problem.

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€ 15.51

Description (1)

This Adafruit MCP23017 I2C GPIO Expander Breakout has 16 GPIO with matching bottom pad. With 3 address pins, you can have up to 8 on a single bus for a total of 8 x 16 = 128 GPIO on an I2C bus! Solid Arduino and CircuitPython libraries with examples, all ready for this chip Comes with two sticks header, so you can use it in a breadboard, with some soldering. You can also connect free wire buttons by connecting one side to the GPIO (as input with pullup) and connecting the other side to a floor pad. It runs happily from 3V or 5V logic and current. Each GPIO can be an output of up to 25mA so LEDs are no problem.