All cars driven on the roadways have some type of speedometer to clock the speed at which the vehicle is travelling. The first patent for speedometers was filed in 1916, at a time when computers, let alone mobile laptops and cell phones, where not available. Speedometers appear in the dashboard of cars, in plain view of the most important person in the car -- the driver. However, with modern technology, anyone can clock the speed of a car, without having to sit at the wheel.
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- Moderately Easy
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Install a speedometer application on your cell phone or smartphone. These apps are generally available through your cell provider's app store or a third-party store. Users download the application over the cell network to the cell phone, and the installation process is automatic. After you set up the program and begin to drive the car, the app will clock and display the speed of your car. As an example, the Speed Watcher Pro app is available for Android phones. It displays an animated speedometer on the screen of your cell phone.
Use a GPS device to clock your car's speed. Most GPS devices rest in a docking station in cars, but portable GPS devices are available as well. Generally, GPS technologies use satellites to calculate position. This same technology also can calculate a car's speed. Garmin has a GPS product called the eTrex Summit. It is a portable device and will display speed in miles per hour on the screen.
Connect a sensor to your laptop computer and use navigation software to gauge your car's speed. These sensors are usually GPS technology, similar to standalone GPS handheld and docked devices. Computer GPS sensors usually connect through the USB port. Some computer manufacturers are starting to build GPS sensors directly into the frame of the laptop. You also will need a GPS software program to work with your GPS hardware. Microsoft offers the Microsoft Streets and Trips software that will display your cars speed on the screen.
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