In this article, we will discuss Half Subtractor Circuit and Full Subtractor Circuit with their working principle, truth table, equations, Karnaugh maps (K-map) and applications. Subtraction is a fundamental arithmetic operation in digital electronics, and logic circuits efficiently implement it. A subtractor is a combinational circuit that performs binary number subtraction in digital systems. These […]
Integrated circuits (ICs)
Types of Logic Gates with Symbol, Truth Table and IC Numbers
In this article, we will explore various types of logic gates with their symbol, truth table, Boolean expression, properties, IC numbers, applications, advantages, and disadvantages. Logic gates are the fundamental building blocks in digital electronics. There are basically seven main types of logic gates that are used to perform various logical operations in digital systems. […]
LM3915 LED Battery Voltage Level Indicator Circuit Diagram
In this article, you will learn to build LM3915 battery voltage level indicator. The LM3915 is a popular integrated circuit (IC) used in projects that require visual feedback on voltage levels. It’s widely applied in devices like battery monitors, audio level meters, and power supply indicators. This IC lights up a series of LEDs to show […]
DC-DC Boost Converter Circuit Using 555 Timer
A boost converter circuit is a DC-DC power converter that steps up voltage from its input to its output while stepping down current. It’s widely used in applications where a higher output voltage is required from a lower input voltage, such as in battery-operated devices. One of the simplest ways to design a boost converter […]
Different Types of Oscillators with Working and Applications
Let’s get started with types of oscillators, how they work? and what are the common applications of oscillators. What is Oscillator? Oscillators are electronic circuits that generate periodic waveforms from a DC source without any external input signal. They are widely used in various applications, including clocks, radios, computers, and signal processing. Working of Oscillator: […]
PIR Motion Sensor Circuit with 555 Timer IC
Let’s designing a PIR motion sensor circuit that uses a Passive Infrared (PIR) sensor to control a buzzer through a 555 timer for motion detection applications. Here’s a step-by-step guide to creating this circuit: Working Principle of PIR Motion Sensor: A Passive Infrared (PIR) motion sensor detects motion by sensing changes in infrared radiation. Here’s […]