Introduction: The oscillator as known is a circuit that is used to produce oscillations either sinusoidal or non-sinusoidal at the desired frequency. There are many types of oscillator circuits, RC oscillator is one of its … Read more
Ayesha Khan
Introduction: Counters are basically used for counting anything. In electronics, counters are used for the counting of events on each received input pulse. The seven-segment displays are used to display the values of count and … Read more
Simple Seven Segment Counter Circuit using CD4026
Introduction: The concentration of water vapor present in the air is known as humidity which is in the gaseous form of water and hence cannot be seen with a naked eye. Humidity is dependent on … Read more
Humidity Sensor with Arduino
Introduction: A multivibrator circuit is one that keeps oscillating between two states HIGH and LOW. Astable, which means a circuit that oscillates between unstable states. An Astable multivibrator is a type of transistor switching circuit, … Read more
Astable Multivibrator using 555 Timer
Introduction: A timer is a special purpose clock that is used for measuring particular time intervals. It is highly applicable in our daily life devices or equipment to switch the load for a certain amount … Read more
Adjustable Timer Circuit using 555 IC
Introduction: An adder is known to be any device or circuit that adds two or more inputs and generates the result. In digital electronics, an adder is a circuit built using logic gates in order … Read more
Half Adder Circuit Using Logic Gates
Introduction: The transformer is known to be a device that transfers energy from one alternating-current circuit to another by means of electromagnetic induction. It either steps up the voltage or steps down the voltage depending … Read more
Step-Down Transformer – Electronics
What is a USB? A universal serial bus shortly known as be USB is a serial interface that is used as a means of communication between the different devices and a controller. Peripheral devices like … Read more
How does the USB Work?
Introduction: A photocell sensor is a type of resistor that changes its resistance based on the amount of light intensity experienced. It converts the light energy into electrical energy to produce voltage or current. The … Read more
Photocell (LDR) Sensor with Arduino
Introduction: A device that provides strength to any signal be it power, voltage, or current is called an amplifier. It amplifies the weak signal to make it useful by increasing its power, or it amplifies the … Read more
Single Transistor Audio Amplifier Circuit
Introduction: A volume level or audio level meter is a common hand-held device that is designed to measure the levels of volume in a systematized way. It is commonly used for acoustic measurements and as … Read more
Volume Level Indicator Using Transistor
Introduction: Every residential or commercial sector needs a tank to store water in it as it is an essential need of our life. Water needs to be conserved sufficiently and requires systematic management. The water … Read more
Water Level Indicator Alarm
Introduction: The overvoltage is the voltage in the circuit that exceeds the design limit. By definition, the potential needed for an ion to discharge itself at an electrode over and above the balanced potential is … Read more
Simple Overvoltage Protection Circuit
Introduction: A voltage follower also called voltage buffer or unity gain amplifier is an operational amplifier in which the voltage at the output is equal to the voltage at the input which means the input … Read more
Voltage Follower Circuit using Op-Amp 741
Introduction: A line-following robot commonly known as LFR is basically an intelligent device that detects the line and follows the path on the floor. The path can generally be a visible black line on the … Read more
Line Following Robot using L293D
Introduction: Counters play an important part in digital electronics. The basic application of counters is to record the number of occurrences of an event. Counters can not only use for the counting operation but the measurement of … Read more