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AN10814 Driving stepper motors using I2C-bus GPIO expanders

Authored on: May 12, 2010 by Sarpa Sarpangal

Technical Paper / Application Note

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I2C-bus GPIOs offer an alternative to expensive application specific stepper motor driver ICs. This application note outlines how to control multiple stepper motors together with optical position sensor inputs by using the right combination of GPIO from a large portfolio of products.



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