Pololu Universal Aluminum Mounting Hub for 5mm Shaft, #4-40 Holes (2-Pack) SF_Matter and Thread and the A-Star automatically supplies

and the A-Star automatically supplies 5 V power to an attached Raspberry Pi

Up to 6 user inputs are available

Power supply:USB/battery(3

This allows the SF pins of multiple units to connect to a single input

Pololu Universal Aluminum Mounting Hub for 5mm Shaft, #4-40 Holes (2-Pack) SF_Matter and Thread and the A-Star automatically suppliesThese universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 5 mm diameter motor shafts. The set includes two hubs, two #4 40 set screws for securing the hubs to motor shafts, and one 0. 05 Allen wrench for use with the set screws. Each hub has four threaded mounting holes for #4 40 screws (not included). 5mm Pololu universal aluminum mounting hub on a stepper motor with a 5mm diameter output shaft. These universal