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StepFish: fischertechnik I2C stepper motor controller

by juh

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Fischertechnik i2c Print-in-place Printbuchse printinplace servo stepper motor twi

StepFish is a stepper motor controller for the [fischertechnik construction toy system](https://www.fischertechnik.de/en) based on an ATmega328 microprocessor. It can be used as a standalone controller (and I2C master) or as an I2C slave. Hardware features:

* __up to four steppers__ driven by [StepStick](https://reprap.org/wiki/StepStick)/[Pololu](https://www.pololu.com/product/1182) or compatible carrier boards (e.g. A4988), connected via pin headers. Make sure to limit the carrier boards' c

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