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Door-Knock or Vibration Alarm
This is a simple circuit that activates an alarm when there is a knock on the door or there are any vibrations due to...
Simple Adjustable Staircase Waveform Generator
Staircase signals find many applications in the field of electronics, such as in television systems, telemetry, and analogue and digital communications. Here is a...
Simple Low-Power Audio Amplifier
The small-signal amplifier is generally referred to as a voltage amplifier because it usually converts a small input voltage into a much larger output...
Part 3 of 4: Defence Lasers and Optronic Systems: Semiconductor Diode Laser Electronic
While semiconductor diode lasers, or simply laser diodes, are extensively used in a range of laser devices intended for tactical military applications, such as...
Integrating The Integrated Circuit
Unlike the invention of television which was replete with snooping, spying and court- room drama, invention of integrated circuit (IC) was the outcome of...
Simulate Your Circuits Using Qucs
In this article we explore the features and functions of Quite Universal Circuit Simulator (Qucs) and go through a step-by-step analysis. Qucs is available...
4 Free eBooks+Tutorials on OP Amp
On popular demand, we bring to you a collection of helpful ebooks and tutorials to help you understand op amps better. Happy reading!
Atithya Amaresh
1....
Smoke Extractor
Here is a low-cost circuit that automatically extracts solder fumes while you assemble a circuit, thereby saving you from inhaling the same. The solder...
Underwater and other Emerging Trends in Laser Communication
Underwater laser communication is a technique that employs laser propagation under water to transmit data from one point to another. The technology is useful...
10 Online Calculators To Help Electronics Engineers
Here's bringing 10 calculators from the web to help in Electrical and Electronics Engineering calculations.
1. Current Limiting Resistor Calculator for LEDs
Helps you calculate the...