Introduction Don’t let power outages catch you by surprise again! This easy-to-make Power Interruption Alarm Circuit will keep you informed. Whether it’s for emergency preparedness, avoiding food spoilage, or ensuring your devices don’t shut down … Read more
Alarm Circuits
Unlock the world of alarm circuits with our comprehensive collection designed to meet your security needs. Whether you’re looking to safeguard your home, office, or industrial space, our range of alarm circuits provides reliable and customizable solutions. Explore a variety of circuit designs, from simple door alarms to sophisticated motion detectors and fire alarms. Our guides and tutorials offer step-by-step instructions, troubleshooting tips, and creative ideas for enhancing your security system. Find the perfect alarm circuit to protect what matters most to you and gain peace of mind with our expertly curated selection.
Introduction Keep your food fresh and your energy bills low with a Refrigerator Door Open Alarm Circuit! This simple circuit alerts you every time the refrigerator door is left open, helping you avoid unnecessary energy … Read more
How to Make a Refrigerator Door Open Alarm Circuit
Introduction Take control of your health with a Heart Rate Monitor Alarm Circuit! This innovative circuit allows you to track your heart rate in real-time and alerts you if it falls outside of your desired … Read more
How to Build a Heart Rate Monitor & Alarm Circuit
Introduction Ringing bells or calling for assistance is a common method of communication in the office. But what if you could elevate this experience and bring it into the modern age? With the Office Call … Read more
Office Call Bell Network Circuit with LED Monitor
Introduction Do you ever worry about your home security when you’re away? What if there was a way to have an extra set of eyes to watch your property and alert you if anything suspicious … Read more
Simple Door Security Alarm Circuit
Introduction This guide will teach you how to make a Power ON Alarm with Auto OFF Circuit. This simple yet effective circuit is perfect for those who want to be alerted when their electronic equipment … Read more
How to Make a Power ON Alarm with Auto OFF Circuit
Introduction Solar energy is a clean and renewable source of power that has many applications in our daily lives. One such application uses solar energy to power a simple circuit that can be used to … Read more
Simple Solar Plant Watering Alarm Circuit
Introduction Ultrasonic alarms emit high-frequency sound waves that are not audible to the human ear but can be used to detect the presence of objects or movements within a specific range. These alarms are widely … Read more
Ultrasonic Alarm Circuit LM741
Introduction Picture a world where a beautiful melody chimes in response every time a sound is made. With a bit of creativity and some basic materials, this world can be a reality with the creation … Read more
Sound Operated Music Bell
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
Introduction We have heard many electronic sounds like a doorbell, phone alarm, and vehicle horn but the sound which makes people scared and worried is the siren of a police van. It would be a … Read more
Police Siren Circuit using NE555
Introduction to Doorbell Circuit Ding dong!! There goes the doorbell. So, Like this previous verse, we have heard and read so much poetry related to doorbells. In other words, that’s the most common thing. Also, … Read more
Doorbell Circuit using NE555 Timer IC
Introduction If you’re a person who forgets the water motor after turning it ON. Or, if you always get busy with work that you fail to remember to turn OFF the water. Then, this circuit … Read more
Water level Alarm Circuit Using NE555
Introduction Methane is among the most significant greenhouse gases, with human activity accounting for over 70% of methane emissions. Gas provides advantages, such as the ability to be used for cooking regularly. However, its discharge … Read more
Interfacing MQ-4 Smoke Sensor Module with Arduino
Introduction As electronic students, we have always heard that IR technology is used extensively in the Industrial sector for making different devices and products. For example, the television we used in our homes uses an … Read more
Infrared Sensor/Detector Circuit
In this tutorial, we are going to Make “SW-420 Vibration Sensor Module Interfacing with Arduino” Brief Overview Sw-420 is a non-directional vibration sensor. When a force is applied, a vibration or sufficient velocity is brought to … Read more