Many robot arms provide robust RS-485 and (in some cases) Ethernet and have all wires plumbed inside the arm (so, little to no maintenance). In certain non-crit

Many robot arms provide robust RS-485 and (in some cases) Ethernet and have all wires plumbed inside the arm (so, little to no maintenance). In certain non-critical cases (like, agriculture), wireless can be used too, for instance, when there's a strong urge to transfer more video data than the internal link allows for.