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How to Set Up a 555 Timer Circuit in Monostable Mode

The 555 timer gets its name from the three 5 kΩ resistors it uses to generate the two comparators reference voltage. It is a...

IC 555 Timer Working: Pin Diagram & Specifications

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...

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...

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...

Arduino Based Digital Capacitance Meter: An Interrupt Based Approach

Capacitive sensors are widely used to measure various physical and chemical process parameters such as displacement, acceleration, thickness, force, pressure, stress, level and humidity....

How to Play with Pancake Vibration Motors

Nowadays numerous electronic devices make use of vibrotactile feedback to increase user interaction with the help of suitable haptic feedback hardwares like the eccentric...

Periodically On-Off Mosquito Repellent

Some of the mosquito repellent available in the market use a toxic liquid to generate poisonous vapours in order to repel mosquitoes out of...

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