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Showing posts from June, 2018

Building a Fun and Smart Home with a DIY Smart Doorbell

  Title: Building a Fun and Smart Home with a DIY Smart Doorbell Introduction: In the exciting world of electronics, there's nothing quite as thrilling as creating your very own smart home gadgets. Today, we'll embark on a journey to build a Smart Doorbell using simple and easily accessible equipment like the Arduino Uno, an IR proximity sensor, and a buzzer. This DIY project is not only a fantastic introduction to electronics but also a step towards transforming your home into a tech-savvy haven. So, gear up, young inventors, as we venture into the world of smart homes! Materials You'll Need: 1. Arduino Uno: The brain of our smart doorbell, capable of processing information and controlling the connected devices. 2. IR Proximity Sensor: A nifty gadget that detects the presence of objects in its vicinity. 3. Buzzer: This component will be the voice of our smart doorbell, alerting you when someone approaches. Step 1: Setting Up the Arduino Uno: Begin by connecting your Arduin...

Dc to Dc voltage boost

Generating a High DC Voltage from a low DC source In this project, we will show how to build a DC-to-DC boost converter circuit that allows us to manually control the circuit with a pushbutton. a DC-to-DC boost converter circuit is a circuit that can convert a DC voltage into a larger DC voltage. So, for example, you may be able to convert a 5V DC voltage into 30V. A DC-to-DC converter works on the principle of an inductor primarily and a capacitor. When fed DC power, the inductor acts as a energy storage device for current. As long as DC power is supplied to it, it builds up current through the coils as well as a magnetic field around itself. When the DC power is turned off, the magnetic field collapses and all the current that the inductor charged up gets dumped across to the capacitor. As the DC power gets turned on and off in the circuit, which we will do through a pushbutton switch, the inductor stores up more current and dumps it across the capacitor each time. This is why...

HOW TO MAKE A SMALL INVERTER

H OW  TO MAKE A SMALL INVERTER CIRCUIT                   Inverters are often needed at places where it is not possible to get AC supply from the Mains. An inverter circuit is used to convert the DC power to AC power. Inverters can be of two types True/pure sine wave inverters and quasi or modified inverters. These true /pure sine wave inverters are costly ,while modified or quasi inverters are inexpensive. These modified inverters produce a square wave and these are not used to power delicate electronic equipments . Here, a simple voltage driven inverter circuit using power transistors as switching devices is build, which converts 12V DC signal to single phase 220V AC. Table of Contents Principle Behind this Circuit Inverter circuit Using Transistors Circuit Diagram Components required Working Output Video 12v DC to 220v AC Converter Circuit Using Astable Multivibrator Circuit Design Exp...

how to make a drone from scratch

Unmanned aerial vehicles have been around for decades, but they have achieved the greatest popularity in recent years with small commercial drones. The new so-called FPV (first person view) technology gave us a unique experience of flying and the advancement of GPS systems in drones opened a whole new world for passionate individuals. Of course, drones are not the only RC flying devices on the market, but their agile multi-rotors and their capability to take amazing photos and record stunning videos during flight made them the most popular. That’s why commercial drones are in great demand nowadays but have you ever wondered how to build a DIY drone from scratch? Today, there is a wide range of drones on the market, and they differ in size, design, and properties. You just need to visit some popular online stores, where the drones are being sold, and find some ready to use a model that best suits you according to its features and price. Most people do it. On the other side, peo...