Interesting Facts
Here are some interesting facts, incidents, memorable events and little-known facts from the lives of scientists...
Intel Inside
Intel was founded by Robert Noyce, along with...
Multiple Appliances Keypad Control
This multiple appliance keypad control circuit employs DTMF technique to switch on/off up to ten appliances. It can be modified to operate up to...
Electric Shock Gun
This is a fantastic circuit for self-protection. In case a burglar intrudes your house, you can use this electric shock gun as a weapon...
Sound Scanner
This novel sound scanner sweeps all sound vibrations in its vicinity and converts them into audible beeps. It can sense sound vibrations up to...
Simple Smoke Detector
This simple smoke detector is highly sensitive but inexpensive. It uses a Darlington-pair amplifier employing two npn transistors and an infrared photo-interrupter module as...
Top Free Electronics Design and Simulation Software Tools
From microcontroller platforms like Pinguino, which brings Arduino-style flexibility to Microchip PIC devices, to SCADA solutions like Rapid SCADA, disk imaging tools like Clonezilla,...
Economical Pump Controller
This automatic pump controller eliminates the need for any manual switching of pumps installed for the purpose of pumping water from a reservoir to...
E-waste Management In India
The electronics industry is the world’s largest and fastest growing manufacturing industry. Recent policy changes in India have led to an influx of leading...
0-100°C Temperature Detector
Here’s a temperature detector system capable of remote temperature reading without transmission losses in the conditioning circuit. The IC AD590 (IC4) is used as...
Intruder Detector Using Laser Torch
Here is a simple, low-cost intruder detector using laser torch to detect the intruder. The laser beam is produced using a 3V DC or...