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
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
LED Strobe Light Circuit Using 555 Timer
In this tutorial, we will show you how to make a Bi-Color LED Driver Circuit using a 555 timer IC. A Bi-color LED consists of three terminals- one common pin and two separate pins (one … Read more
Bi-Color LED Driver Circuit Using 555 Timer
Break failures have become a very common problem nowadays due to the increase in the number of automobiles. We depend on automobiles for our day-to-day commute. Although it is very hard to avoid an accident … Read more
Brake Failure Indicator using 555 Timer IC
In this tutorial, we will show you how to make a Bistable Multivibrator circuit using 555 Timer IC. A bistable multivibrator has two stable states and it remains in the same state until and unless … Read more
Bistable Multivibrator using 555 Timer
We can categorize multivibrators into three types depending on the number of stable states such as astable, monostable, and bistable. In this tutorial, we will show you how to make a Monostable Multivibrator circuit using … Read more