Tag: LDR – Page 4

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…

Today we are going to give you a description of a Light Activated Alarm circuit by using 555 timer IC in detail. Meanwhile, this light enact…

Here is an intriguing DIY project of a dark-activated LED Fader circuit that is going to be discussed here in detail. Therefore, when the li…

Awakening each day early in the morning is a challenge for some. Therefore, utilizing a Smart morning timer or alarm can enable us to rise—a…

A night lamp circuit is an automation system for lighting in rooms. The circuit is using an LDR to detect the darkness in the room. Addition…

A laser burglar alarm is a security purpose alarm circuit that senses even a small interruption in its environment. It’s sensitive with a lo…

Waking up in the morning is quite a task for many people. The aim of this project is to build an alarm clock which will help people go get u…

In this tutorial, we will demonstrate a dark-activated LED fader and its working. This dark-activated switch will activate the relay to oper…

A laser-based security system is a type of security alarm that uses a light sensor and laser light. In this tutorial, we are going to demons…

This basic light intensity meter circuit can be used in a wide range of electronic projects and experiments to calculate light intensities…

In this tutorial, we are going to make a project on the Light-Activated Timer switch circuit. It can activate the timer only one time for a…

Light sensor circuits are used to detect the presence of light or darkness around them. They are mostly used to control electrical loads suc…

You have heard of light detector LED circuits, today we are going to explain how you can make a Dark detector LED circuit. Using this circui…

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