Touch Alarm using IC 555

A touch sensor in electronics is used to detect and record physical touch. Also known as tactile sensors, it’s a small, simple, low-cost sensor made to replace old mechanical switches we have seen in the … Read more

Touch Alarm using IC 555

Door Buzzer

Introduction If you appreciate the charm and simplicity of a classic doorbell but also crave something a little more unique, you’re in luck. The door buzzer circuit we’ll explore today is a delightful combination of … Read more

Door Buzzer Circuit

Astable Multivibrator with 555 Timer

Introduction: A multivibrator circuit is one that keeps oscillating between two states HIGH and LOW. Astable, which means a circuit that oscillates between unstable states. An Astable multivibrator is a type of transistor switching circuit, … Read more

Astable Multivibrator using 555 Timer

555 Timer IC Pinout

The 555 Timer IC, often hailed as the “workhorse” of the electronics world, is a versatile integrated circuit that has found its way into countless electronic projects. Understanding its pinout is essential for harnessing its … Read more

555 Timer IC Pinout

DC Voltage Doubler Multiplier Circuit

Transformers are widely used for converting AC voltage for step-up or step-down voltage purposes. But for converting the DC voltage values from one value to another, we cannot use transformers. Therefore, in such applications where … Read more

DC Voltage Doubler / Multiplier Circuit

12V Fluorescent Lamp Driver

Before the invention of LED lights, fluorescent lamps existed everywhere. They are still highly in use. The fluorescent lamp is a mercury gas discharge lamp that uses fluorescence to generate light. The lamp is used … Read more

12V Fluorescent Lamp Driver Circuit

How to make a Laser Security Alarm

Introduction Safety is a major concern around the World. Many people employ gatekeepers, for this purpose but many times these guards also get hit by intruders. The LASER-Based Security Alarm is a safety purpose circuit … Read more

How to make a Laser Security Alarm