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Mobile Phone Detector Using LM358

This mobile phone detector can sense the presence of an activated mobile phone from a distance of four to five metres. So it can come handy in an examination hall or meetings where mobile phones are not permitted. The circuit can detect incoming and outgoing...

Electronics Projects: Power Bank for Smartphones

This power bank can be used for charging smartphones. This power bank circuit uses two integrated modules and a lithium-ion battery. The first module is a lithium-ion battery charger and the second is a DC-DC boost converter module. Circuit and working for power bank Circuit diagram...

Build Your Own GPS Tracker!

GPS tracker allows you to never lose track of anything by working out exactly where it is. Its an ultimate gadget to prevent a vehicle from being stolen, monitoring the route of a delivery vehicle over its journey, or even to monitor high-valued assets in...

Real-Time Face Detection Using MATLAB

Object detection and tracking are important in many computer vision applications, including activity recognition, automotive safety and surveillance. Presented here is an face detection using MATLAB system that can detect not only a human face but also eyes and upper body. Face detection is an easy...

Arduino Projects: Fingerprint Door Unlock System

fingerprint Door Unlock
This simple fingerprint door unlock project using Arduino can be very useful for door security, forensics, crime investigation, personal identification, attendance system and much more. In the future, there could be many more applications like fingerprint based driving licences, bank accounts operation and so...

LM386 Audio Amplifier

Here is a simple LM386 based audio amplifier circuit with the author’s prototype shown below. LM386 based audio amplifier: circuit and working Circuit diagram of the LM386 based audio amplifier is shown in Fig. 2. It is built around popular amplifier LM386 (IC1), an 8-ohm, one-watt...

Humidity And Temperature Monitoring Using Arduino With The IoT

temperature monitoring using arduino
Using the Internet of Things (IoT) in homes and industries it is possible to control any electrical or electronic equipment. Moreover, you can get the information from any sensor and analyse it graphically or in any user-defined format from anywhere in the world. The...

Basic Image Processing Using MATLAB

In this article, the author describes basic image processing using MATLAB software. MATLAB is a high-performance language for technical computing with powerful commands and syntax. It is used for many purposes like Maths and computation, data analysis, algorithm development, modelling stimulation and prototyping. Edge detection,...

Restaurant Menu Ordering System

restaurant menu ordering system
Automation systems are increasing in day to day life. Applications like home and industrial automation reduce man power while increasing the efficiency. Here in this restaurant menu ordering system that lets you automate menu for ordering food in restaurants. In these modern days the number of restaurants...

PC-based Oscilloscope Using Arduino

PC based oscilloscope using Arduino
Oscilloscopes are an essential tool for electronics hobbyists and professionals to verify that their designs would work as expected. PC based Oscilloscope score over standalone oscilloscopes due to their compact size, low cost and ability to do offline analysis. Here we describe how you can...