Posts by Kiran Saleem

The tone control is a type of equalization used to make specific pitches or “frequencies” in an audio signal softer or louder. A tone contro…

The tone control is a type of equalization used to make specific pitches or “frequencies” in an audio signal softer or louder. A tone contro…

Unlike AC motors, DC motors are very easy to use because their speed can be changed easily. So, how is this achieved in practice? As DC moto…

Traffic lights are also named stoplights, road traffic lamps, traffic signals, and stop-and-go lights. Which are signaling devices placed at…

Unlike AC motors, DC motors are very easy to use because their speed can be changed easily. So, how is this achieved in practice? As DC moto…

Measuring battery life for a portable system is a time-consuming task, and the methods that accelerate battery discharge don't provide relia…

In this tutorial, we are going to make a "Vibration alarm circuit using ic 555". The versatile astable multivibrator configuration of IC 555…

A Quartz crystal tester is needed if you want to know whether the crystal is good or bad (broken). As many circuits use a crystal as an impo…

In this tutorial, we are going to make an "Automatic Staircase Light" using PIR. As we know that staircase lights are needed only when we wa…

As we know to interface external peripherals with computers we use USB ports. But if we wish to connect a microcontroller to a computer or l…

Automatic headlights are like any other headlights you’ll get at the front of the car except that when the car is on and it is dark, they wi…

The audio amplifier is the basic circuit configuration that is required to amplify, the audio signal received through a device like a microp…

In areas like the staircase or porch of your home, lighting is required only for a short period at night. We often forget to switch off thes…