Introduction Most of the time it happens our children open the fridge door and leave it open Also sometimes we need more security in our garages and doors so this DIY Door Alarm is useful … Read more
door alarm
Introduction In the modern era where everything relies on technology, using a simple lock key for security is insanely backward. Even the intruders of today’s world use technology. Therefore, we must have to use some … Read more
Door Security Alarm Circuit using Magnetic Reed Switch
Introduction In the current era where everything relies on technology, using a simple lock key for security is ideally backward. Even the intruders of today’s world use technology. Therefore, we must have to use some … Read more
Door Open Alarm Circuit with Hall Effect Sensor
Introduction Security alarms are no longer a great deal to employ. Everyone now uses alarm systems for their home, office, or workplace; because everyone is aware of rising crimes. One of those devices includes door … Read more
Door Alarm with Ultrasonic Sensor
In this tutorial, we are going to make a “Door Knob Touch Alarm Circuit”. There are many simple alarm devices for personal use in bedrooms or hotel rooms. In which a metal chain attached to … Read more
Door Knob Touch Alarm Circuit
Introduction Safety first! This is the sentence that we all have heard in our lives. Whether it’s the safety of heath or material both are important in this era. So, the safety of our homes, … Read more
Door Knob Touch Alarm Circuit
Introduction Using a simple lock key for security in the present day, when everything is based on technology, is absurdly outdated. Even today’s invaders make use of technology. As a result, we must utilize some … Read more
Door Open Alarm Circuit using Reed Switch
Security door alarms are simple electronic devices that trigger when an intruder or trespasser tries to gain access to any designated area. They are a necessary part of today’s home security systems. There are a … Read more
Security Door Alarm using Magnetic Reed Switch – DIY Project
The reed switches have an unbelievably high mechanical switch reliability and can operate for billions of cycles before they fail. They will also work in explosive environments where a spark may potentially cause disastrous results … Read more
Door Open Alarm Circuit using Reed switch
In this DIY, we are making a “Fridge door alarm circuit using 555 and LDR.” The name “Fridge door alarm circuit” itself deduces the application. This circuit triggers the alert if the “door of the … Read more
Fridge Door Alarm Project
This is an intriguing DIY detailed instruction tutorial on “Electronic Door Lock Password Security Circuit” using IRF540 MOSFET. It can use as a security check system to constrain access to only certain people with security … Read more
Password Protected Door Lock Circuit – DIY
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 monitor or detect if a door has been left open. We … Read more
Door Open Indicator For Multiple Doors
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 electrical switch that is regulated by applying the … Read more
How to Interface Magnetic Reed Switch with Arduino UNO
In this tutorial, we are making a project on a Fridge door alarm. In order to save the food stored in the fridge from spoiling and maintain its freshness, it is necessary to close the … Read more
Fridge Door Alarm using an LDR
In this tutorial, we are making a project on a door security alarm circuit. This circuit is easy to make, inexpensive and so compact that it can be fitted in a very small place easily. … Read more
Door Security Alarm with Reed Switch
Have you ever forgotten to shut your home door at night? This might be a terrible experience as it can provide a way to thieves to enter your home. Here is a simple electronic project … Read more