Electronic instrument cluster
Overview
Speedometer
A speedometer is a gauge that measures and displays the instantaneous speed of a land vehicle. Now universally fitted to motor vehicles, they started to be available as options in the 1900s, and as standard equipment from about 1910 onwards. Speedometers for other vehicles have specific names...
, that is displayed with a digital readout rather than with the traditional analog
Analog signal
An analog or analogue signal is any continuous signal for which the time varying feature of the signal is a representation of some other time varying quantity, i.e., analogous to another time varying signal. It differs from a digital signal in terms of small fluctuations in the signal which are...
gauges. Many refer to it simply as a digital speedometer.
The first application of an electronic instrument cluster, in a production automobile, was in the 1976 Aston Martin Lagonda
Aston Martin Lagonda
The Aston Martin Lagonda was a luxury four-door saloon built by Aston Martin of Newport Pagnell, England, between 1974 and 1990. A total of 645 were produced. The name was derived from the Lagonda marque that Aston Martin had purchased in 1947...
.
