TMC5160 Datasheet - Trinamic
https://www.trinamic.com/fileadmin/assets/Products/ICs_Documents/TMC5160A_Datasheet_Rev1.14.pdf

TMC2226 Datasheet - Trinamic
https://www.trinamic.com/fileadmin/assets/Products/ICs_Documents/TMC2226_Datasheet_V106.pdf

TMC2209 and TMC5160: Guide for MKS Gen L and SKR V1.3
https://www.youtube.com/watch?v=dOJbSrWVu_Q

TMC2100 guide Part 1  Stepper driver upgrades - How to set VREF & firmware - Teaching Tech 2019feb23
https://www.youtube.com/watch?v=H41hIXdB6js&t=0s

TMC2208 guide Part2 Stepper driver upgrades - Teaching Tech, 2019feb26
https://www.youtube.com/watch?v=7VHwcEroHPk&t=0s

TMC2130 guide Part 3 stepper motors driver upgrades - Sensorless homing - Teaching Tech, 2019mar01
https://youtu.be/OUadiW5QLBE

SilentStepStick FAQ - Watteroot
https://learn.watterott.com/silentstepstick/faq/

SN74HC4066 quadruple bilateral analog switch datasheet - TI 2019
https://www.ti.com/lit/ds/symlink/sn74hc4066.pdf?ts=1642481507919&ref_url=https%253A%252F%252Fwww.google.com%252F