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Dual-Laser Security System Using An Old Feature Phone
A security system having a single laser beam may not be very effective as any moving object or animal can interrupt it, causing a...
Sound Operated Timer
This sound operated timer is based on LM324 quad-operational amplifier and NE555 timer. Time delay can be set from a few seconds to 30...
Arduino Based GSM Home Security System
This project is designed using normally-closed reed switches connected to doors and windows and additional passive infrared (PIR) motion sensors to detect movement of...
11 Awesome Circuit Project Ideas!
From our collection of circuit projects, we bring to you a list of 11 popular ones to help you out! Click on the project...
Anti-Theft Alarm for Vehicles
This simple and inexpensive anti-theft alarm circuit for vehicles sounds an alarm simulating a police siren whenever someone attempts theft of your vehicle. The...
Directed Energy Weapons: Less-Lethal Laser Weapons
Under directed energy weapons, so far we have covered particle beam weapons and high-power microwaves. Let us now take a look at some less-lethal...
Long-range Burglar Alarm Using Laser Torch
Burglar alarm using laser torches, normally work in darkness only. But this long-range photoelectric alarm can work reliably in daytime also to warn you...
Technology Update (February 2016)
Drone that can catch another by firing a net at it
Engineers from Human-Interactive Robotics Lab (HIRoLab) at Michigan Technological University have filed a patent...
MCUs in Electronics Toy applications
Microcontrollers in current Electronic toy applications is mainly used for IR interface, External EEPROM interface, Analog inputs using external ADCs and comparators, Battery input...
Internet Traffic Management Using MPLS
Multi-protocol label switching (MPLS) is a telecommunication transport mechanism that directs data from one network node to the next by using labels instead of...
