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Electronics Projects: Frequency Shift Keying Communication Trainer

Frequency shift keying (FSK) is a frequency modulation scheme in which digital information is transmitted through discrete frequency changes of a carrier wave. It...

Electronics Projects: 12V Battery Absorb and Float Charger

Most battery chargers stop charging the battery when it attains its maximum charging voltage set by the circuit. This circuit charges the battery at...
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DIY: Super Hearing Aid

How to make "Stereo Super Ears" to allow you to hear very faint noises that you would normally not be able to hear. This...

Over-Heat Detector

NTC thermistors are often the preferred choice for temperature sensing and control in many applications, primarily because of their small package sizes and attractive...

5 Free eBooks On Analog Circuits Designing

1. Analog Integrated Circuit Design Author/s: Tony Chan, Carusone David A. Johns, Kenneth W. Martin Publisher: Wiley This book strives to quash the notion that the design...

Powering Power Electronic Simulations using PSIM

In this article we will discuss about PSIM, a fast, yet accurate, simulation environment for power electronic designs, motor drive simulations and energy-conversion applications....

Smoke, Alcohol and LPG-Detection Alarm

Presented here is a circuit for raising an alarm on detecting smoke or LPG cooking gas leakage, or even alcohol vapours in breath. This...

Dual Audio-Signal Tracer

The circuit described here is of a dual audio-signal tracer. An audio-signal tracer is a simple device used to troubleshoot for audio signals in...

Make Your Own USB Data Acquisition System

Presented here is a data acquisition (DAQ) system that can be used to interface six sensors and four digital-to-analogue channels. The acquired voltage levels...

From Sensors to Interfaces – Wireless Communication Has a Lot to Offer

Wireless communication is growing rapidly to touch every aspect of our lives. Besides communication, it now allows technologies like Machine to Machine (M2M) and...