Standa 8SMC4-USB-B9-2 2 Axis Stepper Motor Controller | eBay
Pololu - Jrk G2 18v19 USB Motor Controller with Feedback
USB Motor Controller module, w/ ISOLATED outputs for BRUSHED DC motors. With built-in voltage, current and temperature sensors. - Walmart.com
USB Stick DC Servo Controller and motor driver for 1 axis - motion control
Pololu - Jrk 21v3 USB Motor Controller with Feedback
New 32 Channel Robot Servo Control Board Servo Motor Controller Ps-2 Wireless Control Usb/uart Connection Mode Dc Motor - Motor Controller - AliExpress
JRK 21V3 USB MOTOR CONTROLLER | Target Electronics
Yocto-Motor-DC
Pololu Simple High-Power Motor Controller 24v23
Roboteq Brushed DC Motor Controller XDC2460S Single Channel/300A/60V | Solvelight Robotics
FocusDream – NEW DC Motor USB ASCOM focuser controller (can be powered from an external source) – Astro-Gadget
Pololu Jrk 21v3 USB Motor Controller with Feedback (Fully Assembled)
CNCTOPBAOS 6 Axis NVCM CNC Controller Board,USB Mach3 Motion Control Card 24-32V DC,125KHz USB Interface Stepper Motor Breakout Board for Stepper,Servo Motor,Engraving Machine - - Amazon.com
USB Motor Controller with Feedback - Jrk 21v3 - ROB-09665 - SparkFun Electronics
Pololu - Jrk 21v3 USB Motor Controller with Feedback
Pololu - Jrk G2 24v21 USB Motor Controller with Feedback
Motor Controller Board, DC5-18V High Power PWM DC Motor Speed Controller Motor Driver Board USB Port Module High Power Moto Controller: Amazon.com: Industrial & Scientific
Stepper & DC Motor Controller 980-0045-USB | EKSMA Optics
RoboteQ - SDC2160S Single Channel 40A 60V Brushed DC Motor Controller #SDC2160S