Pankaj Khatri

Howland Current Pump Circuit

The simple current source is not perfect for variable loads as the current through load also changes with the load resistance....

Arduino Sleep Modes and How to use them to Save the Power

Power consumption is a critical issue for a device running continuously for a long time without being turned off. So to...

Automatic Light Fence Circuit with Alarm

Light fence circuit is used to detect the presence of any human or object in a particular area. The detecting range of Light...

How to control a Solenoid Valve with Arduino

Solenoids are very commonly used actuators in many process automation systems. There are many types of solenoid, for instance,...

Arduino based Morse Code Generator

Morse code is a system of communication to encode any character in two different durations of signals called Dots and Dashes....

MATLAB Data Logging, Analysis and Visualization: Plotting DHT11 Sensor readings on MATLAB

Graphical representation is always helpful to visualize the data and it becomes very easy to find trends and patterns by...

What is Switch Bouncing and How to prevent it using Debounce Circuit

What is Switch Bouncing?

When we press a pushbutton or toggle switch or a micro switch, two metal parts come into contact to...

RC Phase Shift Oscillator using Op-Amp

A Phase Shift Oscillator is an electronic oscillator circuit which produces sine wave output. It can either be designed by...

Sziklai Transistor Pair

Sziklai Transistor Pair was first designed by George Sziklai to overcome some efficiency related issues with Darlington pair,...

Bootstrap Amplifier Circuit using Transistors

Amplifiers are integral part of Electronics which are used to amplify low amplitude signals. Amplifier plays a very important...