Circuits DIY – Page 115

A metal detector can be used at airports, in theatres, or elsewhere. It is used to detect someone holding a metal (arms, etc.) to protect ci…

In this tutorial, we are going to make a "Lead Acid Battery Charger Circuit". To charge batteries, we need to put a voltage across the termi…

In this tutorial, we are going to make a "Colpitts Oscillator Circuit". It is difficult to provide individual power supply sources to each c…

An LED Emergency Light powers ON when there is not enough lighting or if the main power supply is cut-off. Earlier, fluorescent lights were…

In this tutorial, we are going to make an "Over Voltage and Reverse Voltage Protection Circuit". The protection ensures that the components…

In this tutorial, we are going to make a "Light Detector With Sensitivity Control Circuit". The light detector circuit detects the quantity…

In this tutorial, we will demonstrate a simple, easy, and low-cost electronic circuit design. A 12V 10A power supply circuit. 12VDC power su…

In this tutorial, we are going to make a "Simple 12 Volt Battery Charger Circuit Diagram". To charge batteries, we need to put a voltage acr…

Introduction The color sensors are used to detect the colors of an object. The color detection systems are widely used in the food, automoti…

In this tutorial, we are developing a project of an Alcohol level tester bar graph. This circuit is very helpful for testing whether or not…

Previously, Op-Amps were developed as analog mathematical calculations and have since been useful in many electrical design applications. Ho…

Introduction In many of the projects, we print the messages on the Serial monitor. But, the monitor may not become be a part of compact devi…

In this tutorial, we are going to make a "Small FM bug Transmitter Circuit". A small FM transmitter Bug is perfect for transmitting and eave…

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