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EasyDriver testing

The EasyDriver is a bipolar stepper motor driver:

These are some notes on wiring up the EasyDriver for testing, blatantly copied from the original engineers notes on the front page of the EasyDriver site.

EasyDriver test

Solder the headers shown in the photos above and below.

EasyDriver test

Then wire up this:

EasyDriver test

The STEP pin seems to draw quite a lot of current (over 100mA when driven to 5V) even though the datasheet says it should draw < 1µA.