Introduction The need for a security system has arisen as a result of rising crime rates. So, Having a security system gives you the safety and security you need to lead a peaceful life, whether it be … Read more
Overview Voice recording technology has come a long way, and it has become an integral part of various applications, from voice assistants to security systems. If you’re interested in building your own voice recording system, … Read more
Voice Recording with ISD1820 Module and ESP01
The Arduino uses the ATMega328p chip. We can get that in an SMD format (ATMega328p-AU) or the DIP format for trough hole soldering (ATMega328p-PU). But, the chip by itself can’t work. It needs a few … Read more
How to make your own Arduino UNO PCB – ATMega328p
Overview In today’s digital age, the integration of various technologies has led to innovative applications across different domains. One such integration is the combination of YouTube’s vast data resources with the capabilities of microcontrollers like … Read more
YouTube Realtime Data Display on OLED & ESP32
In this tutorial, I will tell you the best way to build a basic Lead Acid Battery Charger Circuit. This circuit utilizes to charge Rechargeable 12V Lead Acid Batteries with a rating in the scope … Read more
How to make a 12 Volt Lead Acid Battery Charger Circuit
Overview In the world of electronics and IoT (Internet of Things), measuring distance is a fundamental task for various applications. Whether you’re building a smart robot, a parking sensor, or monitoring the level of liquid … Read more
Distance Meter using HCSR04 Ultrasonic Sensor & ESP32
Introduction Pulse sensors are used in several projects for athletes, gaming, home appliances, and mobile phone developers where there is a need for reading heart rate data. In this tutorial, I’ll focus on one of … Read more
Heart Rate Pulse Sensor – BPM Meter using OLED & ESP32
Understanding Power Supply Basics 1. Types of Power Supplies – Linear Power Supply: This supply is thus an analog where transformers reduce voltage and how diodes rectify; easy and stable across outputs but relatively inefficient … Read more
How to Fix the Power Supply?
The world of electronics is rapidly evolving. Every year, devices become smaller, faster, and more powerful. This presents unique design and manufacturing challenges that standard printed circuit boards (PCBs) cannot meet. Rigid-flex PCBs, came into … Read more
The Ultimate Guide to Rigid Flex PCB: Everything You Need to Know
What are Metal Film Resistors? MFRs (metal film resistors) are made by vacuum evaporation or infiltrating metal films onto ceramic pipe frames. Cut the film to obtain a more precise resistance. The film is attached … Read more
Comparing Metal Film and Carbon Film Resistors
What is an Amplifier? An amplifier is an electronic device used to increase the amplitude (or strength) of signals, typically by taking weak electrical input signals and amplifying them into stronger output signals. Amplifiers can … Read more
What Does an Amplifier Do in a Car?
Understanding Basic Inductance Inductance, as a basic property of electronics, represents the way in which a component is capable of storing energy when a current flows through it. Measured in Henries (H), inductance refers to … Read more
What Does Inductance Tell You?
Why Do Capacitors Fail? If you don’t know about the capacitor failure reason, then don’t worry about it. I have listed down some reason for you: Dielectric Breakdown When a potential difference is applied across … Read more
Why Do Capacitors Fail?
Introduction In this tutorial, you are going to learn How to make a 12 Volt 3 Ampere Power Supply. But, before making the circuit let us discuss some information about the power supply circuit. A … Read more
How to make 12 Volt 3 Ampere Power Supply
Introduction In this project, we’re going to make a motion sensor detector with photo capture using an ESP32-CAM. When your PIR sensor detects motion, it wakes up, takes a photo, and saves it on the … Read more
PIR Motion Detector with Photo Capture using ESP32-CAM
Introduction Do you want to make a device that makes you see your video stream while connected to WiFi? At first glance, this may appear challenging to you as a beginner, but with enough study and … Read more