IC 555

Fridge Door Alarm Circuit using 555 and LDR Fridge Door Alarm Circuit using 555 and LDR

The name of the circuit itself infers the application. This circuit triggers the alarm if the door of Fridge is left open for…

School/College Quiz Buzzer Circuit using 555 Timer IC School/College Quiz Buzzer Circuit using 555 Timer IC

Quiz is an important event in any school/College institution to test the knowledge of the participants. In order to increase…

Simple Time Delay Circuit using 555 Timer Simple Time Delay Circuit using 555 Timer

In this project we are going to design a Simple Time Delay Circuit Using 555 Timer IC. This circuit consists of 2 switches one…

555 Timer Based Electronic Code Lock Circuit 555 Timer Based Electronic Code Lock Circuit

Digital Code Locks are very popular in Electronics, where you need to enter a particular ‘Code’ to open the Lock. This type of…

Automatic Rain Sensing Wiper Circuit using 555 Timer IC Automatic Rain Sensing Wiper Circuit using 555 Timer IC

You have seen Automatic Wiper System in luxury cars where Windshield Wiper automatically gets activated when there is Rain or…

1 Minute Timer Circuit using IC 555 1 Minute Timer Circuit

As the name suggest 555 timer is basically a “Timer”, which create an oscillating pulse. It means for some time output pin 3 is…

555 Timer IC Understanding 555 Timer IC

555 Timer IC is one of the commonly used IC among students and hobbyists. There are a lot of applications of this IC, mostly…