Afzal Rehmani 
Introduction In the intricate world of electronics, engineers often dedicate significant effort to perfecting schematics and selecting optimal components. Yet, a fundamental aspect often underestimated is the PCB (Printed Circuit Board) stack-up design. Often relegated … Read more
A tilt switch circuit is a simple yet effective way to detect motion or orientation changes. In this project, we use a 555 Timer IC along with a mercury tilt switch to create a circuit … Read more
If you’re looking for a fun and simple electronics project that produces a realistic “ticking bomb” sound, this circuit is a great choice. Using the versatile 555 Timer IC, you can easily generate an intermittent … Read more
Picture this: you’ve spent weeks building a motor drive system, carefully wiring every connection, only to watch it fail the moment you power it up. The culprit? A mismatched 3 phase diode bridge that couldn’t … Read more
Every millimeter matters in modern consumer electronics design. As products grow thinner, lighter, and more sophisticated, the components powering them must keep pace — and few decisions carry more weight than LED selection. Designers routinely … Read more
This project demonstrates how to use a TTP223 capacitive touch sensor with an ESP32-C3 development board that includes a 0.42″ built-in OLED display. Each time the sensor is touched, a counter increases, and a short … Read more
In this project, you’ll learn how to create a real-time temperature and humidity monitor using an ESP32-C3 board with a built-in 0.42” OLED display and a DHT11 sensor. This compact setup displays temperature (°C) and … Read more
In this project, we will build a compact and accurate laser distance meter using an Arduino Uno, a VL53L0X Time-of-Flight (ToF) laser ranging sensor, and a 0.96″ OLED SSD1306 display. The device will measure and … Read more
If you’ve ever wanted to detect pressure or measure how hard something is pressed using Arduino, this project is perfect for you. In this tutorial, we’ll show you how to measure force or pressure using … Read more
Motion detection is a popular application in home automation and security systems. In this project, we’ll use an AM312 PIR motion sensor with an SSD1306 OLED display and an Arduino Nano 33 IoT. When no … Read more
IoT (Internet of Things) projects are all about connecting everyday devices to the internet. In this tutorial, we’ll use an Arduino Nano 33 IoT and an RGB LED module to create a simple yet powerful … Read more
Discover how to build a real-time motion visualizer using the Arduino Nano 33 IoT, its internal LSM6DS3 accelerometer and gyroscope, and an OLED SSD1306 display. This project is perfect for electronics enthusiasts, students, and makers … Read more
Smart home projects are becoming increasingly popular, and one of the most useful applications is a smart door lock. With just an Arduino Nano 33 IoT, a micro servo (SG92), and some simple code, you … Read more
Introduction: Potentiometer Wiring are commonly used adjustable resistors in electronic circuits. They are widely used in volume control, brightness adjustment, signal calibration, and other fields. This article will analyze the basic concepts, working principles, common … Read more
Dice are an essential part of many board games and decision-making activities. But what if you could build your own digital dice that rolls when you shake it? In this project, we build a digital … Read more
In this project, we will build a Magnetic Field Visualizer using an analog Hall effect sensor, SSD1306 OLED display, and Arduino UNO. This simple yet educational project graphically shows the magnetic field strength and polarity … Read more