The TB6600 is a professional stepper motor driver that is easy to use and can control a two-phase stepping motor. It is compatible with Arduino and other microcontrollers that can output a 5V digital pulse signal. TB6600 stepper motor driver has a wide range power input, 9-42VDC power supply. Also it is able to output 4A peak current, which is enough for most stepper motors.
Check out our awesome, high-quality, custom-made aluminum spacers! They make great, sturdy standoffs/spacings for your projects. This Metric version of the spacer is 10mm OD and 5mm ID, so you know it'll be a stable platform. The spacer has M5 ID to give a thicker wall to keep the screw snug and centered.
These little bearings are the same bearings that are included with the Wheel Kits. These bearings are reliable and provide smooth operation. They are great quality and super affordable!