Pololu Universal Aluminium Mounting Hub for 4mm Shafts - #4-40 Holes (2-Pack) Chip Family_ESP 0 OS & later

0 OS & later

but we never liked the look of most basic perf: its always crummy quality

We've also broken out some handy pins including I2C and SPI

Serial UART data interface for micro-controllers

1x Red probe and socket

Pololu Universal Aluminium Mounting Hub for 4mm Shafts - #4-40 Holes (2-Pack) Chip Family_ESP 0 OS & laterThese Pololu universal aluminium mounting hubs allow you to mount custom wheels and mechanisms to 4mm 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). We have an assortment of universal mounting hubs available, spanning several shaft sizes and featuring mounting