Astable multivibrator

Building a Wailing Siren Circuit using a 555 Timer IC

If you are an electronics hobbyist then you must have heard about the 555 timer IC and its 3 popular circuits viz. astable...

Building a 555-Timer based Police Siren Circuit

Upon hearing a siren of a nearby police vehicle, one might think about how this tone is being generated. You’ll be surprised to...

Astable Multivibrator Circuit Using Op-amp

Multivibrator circuit is a very popular and useful circuit in the field of electronics and it’s the most basic circuit that you...

AC Lights Flashing and Blink Control Circuit Using 555 Timer and TRIAC

Sometimes, we might need an AC bulb flasher circuit that can blink a series of bulbs in a particular time interval for...

Positive and Negative Charge Pump Circuit

In a previous article, I have shown you how you can build your own switched capacitor voltage converter circuit using the...

Simple Curve Tracer Circuit: Tracing the Curve for Resistor, Diode and Transistor

Most of electronics deals with Tracing Curves, be it the characteristic transfer curve for a feedback loop, a resistor’s...

555 Timer Astable Multivibrator Circuit

Astable Multivibrator mode of 555 timer IC is also called Free running or self-triggering mode. Unlike Monostable Multivibrator...

LED Chaser Circuit

You must have seen different kinds of decoration lighting patterns. In this LED chaser circuit, we have created an interesting...