In addition to helping you navigate to a specific address more conveniently, the likes of Google Maps and Waze also come with a current speed indicator that has become a must-have feature for lots of ...

One major flaw of designing societies around cars is the sheer amount of signage that drivers are expected to recognize, read, and react to. It’s a highly complex system that requires constant ...

The speed of an automobile can be indicated by detecting the pulses generated by the ignition system and causing an LED to light. The circuit utilizes a quad NOR gate IC chip. Two of the gates are ...

One of Britain's most luxurious car brands has given the green light to install speed awareness devices for a local community to improve road safety for all motorists. Rolls-Royce Motor Cars has ...

This small circular instrument measured spindle rotation speeds. The inscription on the face reads “McDonnell Odometer Co. / Chicago, Ill.” A label in the lid of the box reads “The Lightning Speed ...