TRINAMIC TMC2209 stepper driver for silent desktop machines
Source TMC2209 Stepper Motor Driver StepStick 3d printer parts 2.5A ultra silent For Gen_L Robin Nano SKR V1.3 mini E3 for Ender 3 on m.alibaba.com
Shop | Tinkerforge
Amazon.com: TMC2209 V4 Two-Phase Stepper Motor Driver,Low Speed Silent High Speed Anti-Shake,2A RMS and 2.8A Peak, Support Step/Dir Mode and Uart Mode,Up to 256 Subdivision 3D Printer Motherboards : Industrial & Scientific
Amazon.com: Stepstick Mute- Premium Stepper Motor Mute Silent Driver for 3D Printer Control Board Parts : Industrial & Scientific
Bigtreetech Tmc2208 V30 Driver | Stepper Motor Silent Driver - 3d Printer Parts & Accessories - Aliexpress