Originally purchased October 2020 from Amazon. TMC2208 V3.0 Stepper Motor Driver Module with Heat Sink Have UART Mode Compatible with Ramps1.4 or MKS Board SKR V1.3 for 3D Printers(Pack of 5pcs) (UART ...

Comming from the base of a Anet A8 plus most of the wires you can just plug in. (Exceptions being End-Stop, Touch Sensors) For each chip you get set the potentiometer to the vRef you will be working ...