Circuits DIY – Page 120

Introduction In your home, when you see the electrical sockets it always has the dimmer. But these dimmers are usually there to control the…

What is a Cell Phone Detector? A Cell phone detector basically senses the presence of any cellular device within its vicinity & provides a r…

In this tutorial, we are demonstrating the project of a DC Motor Speed Control Circuit. The main feature of the DC Motor Speed CONTROL is a…

Today in this post we will discuss the top 3 simple timer circuits. A timer switch or timer circuit is a timer to control any electronic swi…

In this tutorial, we are going to make a "Simple Speech Amplifier Circuit". A voice amplifier is a small speaker that links to a microphone…

Introduction In many countries, you may have seen those electronic LED street lights which turn ON automatically after the sunset. Basically…

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 whe…

A light sensor circuit activates when light is detected by the circuit. It is a simple circuit including a photoresistor followed by a trans…

Clap switch circuits work by detecting the sound of a clap, whistle, or any other sound of the same pitch. This electronic mini-project has…

In this tutorial, we are going to make a "12v and 5v Dual Power Supply". A regulated power supply is an embedded circuit; it converts unregu…

Introduction Public addressing events and theatrical performances use a mic and speaker, as it is a necessary part of any public event. In s…

In this tutorial, we are going to make a "Lamp Pulser Circuit". This is a simple circuit that can be used to pulse an LED or a low-power fil…

Introduction The printed circuit board is the basic and extremely vital component of every project electronic device or project. There are…

All projects