IR Sensor Pinout. The IR sensor has a 3-pin connector that interfaces it to the outside world. The connections are as follows: VCC is the power supply pin for the IR sensor which we connect to the 5V ...

An IR sensor module, which is used to detect fan’s blade to calculate the rpm, is connected to interrupt 0 means D2 pin of Arduino. Here we have used a stepper motor driver namely L293N module . IN1, ...

After some searching, I ended up using a microcontroller and a piece of code borrowed from the web that I tweaked and adapted. The microcontroller-based concept was chosen because I wanted to scale ...

A simple Car Speed Detector circuit using Arduino UNO and IR Sensors. I have used two reflective type IR Sensors and placed them 10cm apart. When a car travelling reaches the first sensor, the IR ...

Features: IR Sensor Intergration : Utilizes an infrared to detect vehicles passing by. Speed Calculation : Measures the speed of vehicles based on interruptions in the IR beam. Arduino-Based System : ...

Are you interested to know about its circuit diagram and working? Then read the interesting post Car Parking Guard Using Infrared Sensor in ElectronicsHub.Org. Circuits Electronic Circuit Free Circuit ...

Fig. 1: Author’s prototype Fig. 2: Block diagram of motion sensor alarm Circuit and working. The circuit diagram of the motion sensor alarm is shown in Fig. 3. It consists of a PIR motion sensor (MS1) ...

Arduino Motion Sensor – Circuit and Working The circuit diagram of the automation device using a motion sensor is shown in Fig. 2. It consists of an Arduino Nano board (MOD1), a PIR sensor (S1), a ...