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The TMC5160BOB needs to be modified to be used in Step/Dir mode!

The resistor placed at R2 must be unsold and sold at position R1. 

After the modification it must be as the picture below: 

If you lost the resistor, it doesn't matter!

Just place instead of the resistor a piece of copper wire.

For better night vision, you will have to remove the blue LED or put some red nail varnish on the blue LED.