The inherent problem with hardware related jobs is that you require physical prototypes. It becomes frustrating to wait for days for the hardware to arrive to c

The inherent problem with hardware related jobs is that you require physical prototypes. It becomes frustrating to wait for days for the hardware to arrive to complete the assigned tasks. Sending hardware to remote location on every revision of the prototype becomes a bottleneck. And if you are in a country which the west think should not get new hardware, then it is impossible to work remotely for countries in the west. It is too much of a hassle to do remote hardware projects unless you are medium to large scale contractor who manufacturers the prototypes, like the Chinese companies.