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555 Timer PWM Audio Amplifier

The “555” integrated circuit is a general-purpose timer useful for a variety of functions. In this 555 audio PWM project, we explore its use...

555 Timer Working: Specifications And Working Basics

The 555 timer IC is an integral part of electronics projects. Be it a simple project involving a single 8 bit micro-controller and some...

Motion Detector Using NE555 Timer

This circuit is based on a passive infrared (PIR) sensor, which automatically switches on a device when someone comes close to it. It can...

555 Timer Design Using MATLAB

Presented here is a Matlab program to design an astable multivibrator of desired frequency and duty cycle using a 555 timer. The aesthetic graphical...

IC 555 Timer Tester

This simple and easy-to-use gadget not only tests the IC 555 timer in all its basic configurations but also tests the functionality of each...

False Triggering Eliminator for Timer 555

Normally, false triggering of timer IC 555 takes place during power on, resulting in unwanted output, which starts the timer’s time cycle. The circuit...
Embedded Systems Projects

Embedded Systems Projects | Embedded Systems Project Ideas

Embedded systems are always in demand with students. The final year electronics engineers begin with a frantic search for embedded systems projects and ends with...
Electrical Engineering Projects

Electrical Engineering Projects | Electrical Engineering Project Ideas

Engineers are always in search of projects, and finding meaningful projects makes that search worthwhile. Listed below are some electrical engineering project ideas for...

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 minutes....
intelligent level controller circuit

Intelligent Water Pump Controller with Water-level Display

Most of the circuits for intelligent level controller for water in tanks employ a bunch of wires running between the circuit and the overhead tank,...

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