Electrical controlling devices and power controllers for vehicles for the physically challenged and those of reduced mobility; electric, motion, pressure and proximity sensors for determining distance, position, orientation, temperature, light, moisture, slope, terrain change and presence of living beings and obstacles for vehicles for the physically challenged and those of reduced mobility; electrical sensor systems comprised of micro-processors and electric, motion, pressure and proximity sensors; downloadable computer software for displaying operations of and for enabling access to data of vehicles for the physically challenged and those of reduced mobility; downloadable computer software for measurement, display and organization of user electronic health data; downloadable computer software for sending and managing alerts, display of information, and determining user reaction times related to vehicles for the physically challenged and those of reduced mobility, user health and safety; downloadable communication software for connecting vehicles for the physically challenged and those of reduced mobility to remote cloud-based services; downloadable computer software for programming, configuring and operating vehicles for the physically challenged and those of reduced mobility