Car Reverse Horn / Alarm Using UM66
In this tutorial, we are making a project of a simple car reverse horn circuit. the purpose of this circuit is to produce a musical horn whe…
FZFariha Zahid2 min7.8k
Alarm Circuits
216 projectsUnlock 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.
Cell Phone Call Detector using LM358 IC
Introduction To prevent the use of cell phones at serious places like examination rooms, prayer rooms, etc, the administrator of that place…
FNFarwah Nawazi2 min17.8k
Contact Less Mains Power Failure Alarm
Here we are demonstrating a very useful project of a contactless mains failure alarm circuit. this circuit will detect wirelessly the absenc…
FZFariha Zahid2 min10.1k
Contact Less Car Reverse Or Backup Alarm
Here we are demonstrating a project of a simple contact-less reverse or backup alarm circuit. this circuit gets automatically activated when…
FZFariha Zahid2 min7.3k
Telephone Off-Hook Indicator Circuit
Many times people forget to put the phone back on the hook properly due to which the telephone line goes busy and you can miss some importan…
FZFariha Zahid2 min10.8k
AC Mains Power Comes Back Alarm
In this tutorial, we are making a project of mains power come back alarm. Mains power goes off for various reasons some times because of tec…
FZFariha Zahid2 min7.9k
Water Boil Alarm using Thermistor
We all know for a fact that watching and waiting for the water to boil in your kitchen could be a really boring thing to do and there is a c…
FZFariha Zahid2 min10.2k
Door Open Indicator For Multiple Doors
In this tutorial, we are making a project of a simple multiple-door open indicator circuit. This circuit is simple and its purpose is to mon…
FZFariha Zahid1 min8.6k
How to Interface Magnetic Reed Switch with Arduino UNO
Introduction To control the flow of electricity in the circuits, the designer has come up with an idea of a Reed switch. A reed switch is an…
FNFarwah Nawazi2 min9.8k
Timer With Alarm - CD4060 IC
In this project, we are making a timer with an alarm circuit. This circuit is simple and is using a CD4060 IC. CD4060 is a CMOS 14 stages bi…
FZFariha Zahid2 min11.6k
Simple Motion Sensor Alarm Light
In this tutorial, we are making a project of a simple motion sensor alarm & light circuit. This circuit is using a PIR or passive infrared s…
FZFariha Zahid2 min14k
Smoke Detector Alarm using UM3561 IC
Here is a very interesting project on a Smoke detector circuit. It can detect the smoke in the atmosphere which can be produced as a result…
FZFariha Zahid2 min6k
Movement Sensor Alarm Using 555 IC
In this tutorial, we are making an interesting project of a movement sensor alarm using a 555 IC. This circuit is also called a detector ala…
FZFariha Zahid2 min7.3k
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