Pololu Universal Aluminium Mounting Hub for 5mm Shafts - M3 Holes (2-Pack) Brand_UUGear In order to use the

In order to use the RS485 port

no external power adapter is required

The UART pins on the Gas Detector ensure that custom firmware can be flashed onto the board

The finished product looks and feels great - so we couldn't resist going all out on the build quality by adding a custom matt black anodised aluminium case with a handy wrist strap

Pololu Universal Aluminium Mounting Hub for 5mm Shafts - M3 Holes (2-Pack) Brand_UUGear In order to use theThese Pololu universal aluminium mounting hubs allow you to mount custom wheels and mechanisms to 5mm diameter motor shafts. The set includes two hubs, two M3 set screws for securing the hubs to motor shafts, and one 1. 5mm Allen wrench for use with the set screws. Each hub has four threaded mounting holes for M3 screws (not included). We have an assortment of universal mounting hubs available, spanning several shaft sizes and featuring mounting holes