Nowadays, different types of doorbells are available in the market and they produce different types of sounds depending on their circuitry. The most commonly used doorbells in the home produce “ding dong” sound and we … Read more
The 555 timer IC was developed by Signetic Corporation in the year 1970. It is basically a monolithic timing circuit that produces accurate and highly stable time delays and it is used in many applications … Read more
555 Timer IC Operating Modes
A flashing Led circuit aka Blinking led circuit is one of the simple circuits to make in Electronics Projects that demonstrate to the viewer the working of Transistors in a switching state. When we power … Read more
Simple Flashing LED using Transistors – LED Flasher
In this tutorial, we will show you how to make a simple PCB holder using cheap household items. The total cost of this project is around 1$. We can use this project for soldering and … Read more
How to make 1$ DIY PCB Holder – Circuit Board Holder
In this tutorial, we will show you how to make a simple Power Bank using a 9 Volt battery. We can use this power bank during a power outage to charge our mobile phones. A … Read more
How to make a DIY Power Bank with 9 Volt Battery
The Panic Alarm allows a person under duress to quickly call for help in the event of an emergency. There are many types of panic alarm circuits available. Some have a single pushbutton and others … Read more
Simple Panic Alarm Circuit
Pulse-width modulation (PWM) is a modulation technique that is used by most communication systems for encoding the amplitude of a signal right into a pulse width or duration of another signal, usually a carrier signal, … Read more
How to generate Pulse Width Modulation (PWM)
There are several ways of making an LED Flasher circuit. You can make one using transistors, microcontrollers, or a 555-timer IC. In this tutorial, I will show you how we can make an LED Flasher … Read more
LED Flasher Circuit | Electronics Projects
In this tutorial, I will show you how to make a Bi-Color LED Driver Circuit using a 555 timer IC. A Bi-color LED is a special type of LED that consists of two diodes that … Read more
Bi-Color LED Driver Circuit – Electronics Projects
Wireless energy transfer is a method of transferring useful electricity from one place to another without the need for electrical conducting media. Usually, this process involves a phenomenon known as electromagnetic induction. In this tutorial, … Read more
Wireless Energy Transfer System | Wireless Electricity
A transistor is the main component of many electrical/electronics projects. Therefore the testing of transistor before implementing a circuit is extremely important to avoid any future inconvenience. Here in this tutorial, we will show you … Read more
How to Test a Transistor – Electronics Tutorial
In this tutorial, we will show you how to make a circuit that produces a “tick tick” sound when powered up. This sound is similar to that of a time bomb that is about to … Read more
Ticking Bomb Sound Circuit – Electronics Projects
In this tutorial, we will show how you can make a simple Dark Detector circuit using a 555 timer IC. This circuit indicates the absence of light or the presence of darkness in a certain … Read more
Dark Sensor Circuit using 555 timer
In this tutorial, we will show you how to make a Touch Switch Circuit using a 555 timer IC. The main component of this circuit is a 555 timer IC and we will use 2 … Read more
Touch Switch Circuit using 555 Timer IC
In this tutorial, we will show you how to make a Time Delay Circuit using 555 Timer IC. The main principle of this circuit is to generate a pulse signal after some time delay. A … Read more
Time Delay Circuit Using 555 Timer
In this tutorial, we will show you how to make an LED Strobe Circuit using 555 Timer IC. Strobe light produces regular flashes of light in order to create a stroboscopic effect. In this circuit, … Read more