An Arduino Nano is in charge of reading the sensors. When it appears the car is approaching a wall or similar obstacle, it fires off a PWM signal to the car’s motor controller commanding it to ...

Automatic braking systems save lives. Now they’ll need to work at 62 mph. Regulators have ordered an expansion of the tech, but the auto industry says the upgrade won’t be easy.

The top federal auto safety regulator on Wednesday proposed requiring all new cars and trucks to have automatic braking systems that can prevent collisions, after traffic fatalities have soared in ...