Adafruit I2C to 8 Channel Solenoid Driver - STEMMA QT / Qwiic

Adafruit I2C to 8 Channel Solenoid Driver - STEMMA QT / Qwiic

Marsoni

M251S

$401.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Adafruit I2C to 8 Channel Solenoid Driver - STEMMA QT / QwiicDriving multiple solenoids can be complicated, requiring transistors, flyback diodes, and a common power source. The Adafruit I2C to 8 Channel Solenoid Driver simplifies this process with its MCP23017 GPIO expander that allows easy, solder free control of up to eight solenoids. This driver board features an I2C to GPIO expander, letting you use few microcontroller pins. It supports 3V to 24V DC power supply for solenoids connected via terminal blocks.

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got it for nursing school at UT Tyler. Love it as it's a great little resource to haul around everywhere which has a significant amount of great information which is needed for my classes and clinicals. Highly recommend it but due note that the 8th edition contains the same information merely a few pages are numbered differently and that older edition was nearly $30 less in price. Just an FYI if looking to save a few bucks...

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Reviewed in the United States on February 2, 2026

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Jennifer

Lake Worth, US

★★★★★ 5

Brand New

Format: Paperback

Purchased brand new. Arrived in perfect condition

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Reviewed in the United States on December 11, 2023

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Peter

Lexington, US

★★★★★ 5

Nice book

Format: Paperback

For study

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Reviewed in the United States on October 22, 2023

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Jordyn Blalock

Lexington, US

★★★★★ 2

Ordered new, got it used

Format: Paperback

Paid for a new book. It arrived very clearly used. It is in decent condition but it is frustrating paying that much for something to arrive used with damage.

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Reviewed in the United States on January 17, 2026