So, let’s start with this measurement Circuit with Arduino.īy simulating the distance between the two sensors to be 5 meters, you can calculate the speed at which the car travelled from IR Sensor 1 to IR Sensor 2 as you already know the time of travel.Īll the calculations and data gathering are done by Arduino and the final result is displayed on a 16X2 LCD Module. LCD is connected to Arduino and measured speed is shown on LCD Display .After build the project, we will measure the speed and distance covered by any moving object and display it in digital and on the 16×2 LCD screen on the analog meter. Now speed is measured using a simple distance time relationship. From this moment onward, a timer is initiated and will continue to keep time until the vehicle(toy car) reaches the second IR Sensor. When any vehicle(toy car) travelling reaches the first sensor, the IR Sensor gets activated. When any vehicle( toy car) crosses the sensors, Both IR sensors are connected to the interrupted pin of Arduino and they detect the falling wave and the time between activating the Arduino’s internal timer sensor is calculated. In this Project, two IR sensors which consists of an IR Transmitter (IR LED), an IR Receiver (Photo Diode) are placed apart on one side of road( Arduino board ). This IR sensor is easy because the IR sensor module is a very common tool and we can easily get it from the market and can be used on any type of motor/vehicle. We will use the IR sensor module to measure the speed with Arduino IDE software.
The police department uses such a system to prevent vehicles which coming fast.
This Arduino car speed detector project can be used to detect the speed of the moving car. In this project, we will learn how to measure the speed of the moving car and how to use Arduino Uno and IR sensors by creating a simple car speed detector circuit and result will be displayed on the 16×2 LCD display.
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