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

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

Pimoroni

£11.5

Price read from Pimoroni on 2026-10-22. Check before buying.

This solenoid driver features a MCP23017 GPIO expander and makes eight solenoids at a time easy and solder-free. Solenoids are a little like cats: if your project has one solenoid you'll probably stick with just one and in such cases our single MOSFET driver will work well . But if you have more than one solenoid, it's going to be anywhere from 2 to 24. Why? Maybe people just love their purring clicky-clacking. And driving a lot of solenoids is kind of a pain: they all need drive transistors and flyback diodes and then a common power source. That's why we designed the Adafruit I2C to 8 Channel

Pimoroni's own words, read from their page.

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Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.