Introduction In our surroundings, where we work, and where we live, many different parameters can cause alarming situations. For example, a fire that can occur, an intruder that comes, or any other thing that needs … Read more
alarm
Introduction In electronics, timers are the circuits that provide the signal that changes the state of the system. To understand this, in this tutorial, we are going to “Simple Timer Alarm Circuit using IC 555”. … Read more
Simple Timer Alarm Circuit using IC 555
In this tutorial, we demonstrate a project of an “Automatic Light Fence Circuit with an Alarm.” We all have a question in our mind, that where we use these Light Fence Circuits. So, to recognize … Read more
Automatic Light Fence Circuit with Alarm
Introduction: Every residential or commercial sector needs a tank to store water in it as it is an essential need of our life. Water needs to be conserved sufficiently and requires systematic management. The water … Read more
Water Level Indicator Alarm
In this tutorial, we are going to make a “Motion detector alarm circuit with PIR sensor”. We need security everywhere nowadays to protect the property or confidential information from others. A motion detector is an … Read more
Motion Detector Alarm Circuit with PIR Sensor
Introduction Many adults, especially parents, complain that kids always open the fridge every time they pass by it. Thus, they want something that keeps them away. Like the regular Door alarms, which are an excellent … Read more
Fridge Door Alarm Circuit
Introduction: The failure alarm circuit simply produces an alarm when there is a power supply that fails. The battery charger failure alarm is a similar kind of failure alarm that indicates the disconnection of the … Read more
Charger Failure Alarm Circuit
Introduction For the engineers, the most difficult task is to troubleshoot the damaged devices. For the students, it’s not promising when their projects stop working. Most of the time the fault is not that big … Read more