If you use a DMM to measure the current, the response delay could miss the fact that the current drops steadily during acceleration - which presumably takes about one second. An analogue ammeter would show the time profile of the change better (or a better, faster data-logging digital ...
Router: As well as running an application function, a Router can act as an intermediate router, passing on data from other devices. End devices: These are the end devices equipped with sensors to measure some parameter. These can only transfer data to either the router or the coordinator. Si...