Vehicle Speed Detector Circuit for Traffic Police

traffic vehicle speed measure

In this post we are going to construct a circuit which can measure the speed of any vehicle on roads and highways. The proposed circuit is kept stationary at a place where the vehicles are suspected to over-speed. If any vehicle goes beyond the speed limit, the circuit alerts immediately. We will be looking the … Read moreVehicle Speed Detector Circuit for Traffic Police

Digital Weighing Scale Using Load Cell and Arduino

In this post we are going to learn about strain gauge based load cell. We will be exploring what Strain Gauge is, what Load Cell is, temperature effect on strain gauge, temperature compensation with Wheatstone bridge and Load cell amplifier HX711, and finally we will learn how to build an Arduino based weighing scale machine … Read moreDigital Weighing Scale Using Load Cell and Arduino

How to Make a RFID based Attendance System

In this post we are going to construct a RFID based attendance system, which can record attendance of 12 students / staffs for a given time window and this system can record up to 255 attendances per person. What is RFID Attendance System We don’t need any introduction regarding the RFID based attendance system, it … Read moreHow to Make a RFID based Attendance System