alarm

Mains Power Supply Failure Alarm Circuit Mains Power Supply Failure Alarm Circuit

Although there are inverters and generators to immediately start the AC power supply whenever there is a power cut but sometime…

Medicine Reminder Using Arduino Automatic Medicine Reminder Using Arduino

When it comes to our loved ones, we always want to stay them healthy and fit. But what will happen if they get ill and forget…

IoT based Door Security Alarm controlled by Google Assistant IoT based Door Security Alarm controlled by Google Assistant

According to the FBI, home burglary occurs for every 13 seconds and 3 out of 4 homes in US will be broken into within the next…

Interfacing Flame Sensor with Arduino Interfacing Flame Sensor with Arduino to Build a Fire Alarm System

Fire Alarm Systems are very common in commercial building and factories, these devices usual contain a cluster of sensors that…

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…

Panic Alarm Circuit using 555 Timer IC Panic Alarm Button Circuit using 555 Timer IC

A Panic Alarm Circuit is used to send an emergency signal immediately to the people in nearby location to call for help or to…

Arduino Alarm Clock Project Arduino Based Digital Alarm Clock

This Arduino based Real time clock is a digital clock to display real time using a RTC IC DS1307 which works on I2C…

Rain Alarm Project using IC 555 Rain Alarm

Rain alarm is an application which detects the rain water and blows alarm. They are useful devices and play an important…

Simple Water Level Indicator Alarm Project Simple Water Level Indicator Alarm with Buzzer

Water tank overflow is a common problem which leads to the wastage of water. Though there are many solutions, like ball valves…