What Is LM339? In this tutorial, we discussed LM339 Pinout, Voltage Comparator using LM339 IC, and LM339 Datasheet with neat sketches. All electronic circuits projects are available on this website circuits99.com The LM339 is Quad Comparator, which is an analog comparator and voltage reference. It is often used as a voltage comparator or to provide a … Read more
BC547 Transistor In this article, I would like to explain What is BC547 Transistor, where we can use it, and also the BC547 Datasheet, Applications of BC547, its Characteristics, and BC547 Pinout. All the Electronics circuit-based projects will be discussed on this website Circuits99.com. Transistors are small devices which is control the flow of electricity in … Read more
What is NE5532? The NE5532 Preamp is a high-quality, low-cost preamp designed to provide the best possible audio performance in harsh industrial environments. The NE5532 is a particularly good choice where a robust, high-quality signal is required, such as in demanding broadcast teleprompters and paging applications. The NE555 preamp is one of the most iconic … Read more
Solar Charger for Mobile Phone The solar charger is a device that will charge your phone by using the sun. It can be used on any type of phone and it is a great way to not use any electricity. The solar charger is a device that can be used to charge your phone without … Read more
Soldering Iron The Soldering Iron is a hand tool that is used in soldering for electronic parts. It provides heat to melt the solder so that it flows into the joint between the two pieces. A soldering iron consists of a heated metal tip and an insulated handle. Electric current flowing through the resistive heating … Read more
Traffic Light Controller circuit The Traffic Light Controller circuit using CD4017IC The circuit’s timing and sequential operation is done by two CMOS ICs (IC1 and IC2) while the actual power switching is done by Triacs. CD4017 IC Circuit Diagram Traffic Light Controller circuit using CD4017 IC From the Traffic Light Controller circuit using CD4017 IC, a 10V negative … Read more
LM358 Amplifier The LM358 Amplifier circuit is a versatile audio amplifier employing a low-cost LM358 op-amp. The differential inputs give the amplifier excellent immunity to common-mode signals which are a common cause of amplifier instability. The LM358 op-amp audio amplifier circuit is the ground point for wiring in a simple design. The ground sensor can … Read more
Lenz’s Law of Electromagnetic Induction Lenz’s law is based on Faraday’s law of induction. We should know what is Faraday’s law of induction we should understand Lenz’s law. When the conductor is placed in a change in a magnetic field there will be an emf is induced in it. Change in the magnetic field may be caused … Read more
Headphone Amplifier Circuit Headphone Amplifier Circuit using TDA1308 IC is a very simple and efficiency audio amplifier circuit based on the TDA1308 IC class-AB stereo headphone. The device is fabricated in a 1 mm Complementary Metal Oxide Semiconductor (CMOS) process and has been primarily developed for portable digital audio applications. Headphone Amplifier Circuit using TDA1308 IC … Read more
What is an Electric Current? This tutorial discussed what is Current, types of electric current, and SI unit of electric current. Electricity is the flow of electrons through a material, such as a metal or a wire, in a certain direction. Current is the direction of flow of a single electron, or a group of electrons, … Read more