A digital speedometer is an electronic device that measures and displays the speed of a vehicle. It typically consists of a digital display, a sensor that measures the vehicle’s speed, and a control unit that processes the sensor data and sends it to the display.

The digital display usually shows the speed in miles per hour (mph) or kilometers per hour (km/h), and may also include other information such as trip distance, odometer readings, and fuel level. Some digital speedometers also have a backlit display for improved visibility in low-light conditions.

The sensor that measures the vehicle’s speed is typically located in the transmission or the wheel hub, and it generates an electrical signal that is sent to the control unit. The control unit then calculates the speed based on the sensor data and sends it to the display.

Compared to traditional analog speedometers, digital speedometers offer several advantages such as greater accuracy, improved readability, and the ability to display additional information. They are also less prone to mechanical failure and are generally more reliable over time.