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How to Make a Fast Charger for Your Phone

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Learn about how fast chargers work and how to design a fast charger for your smartphone. Article:-                Many manufacturers claim their charger products deliver fast charging speeds. Fast charging or quick charging is the term used by the marketing companies to market their chargers and show their capability of charging faster than the regular 5W chargers. In this article, we will mostly talk about fast charging related to smartphones.                           Fast chargers are also possible for laptops, but for now, let's understand the electronics behind smartphone chargers and charge controllers.                                How Does a Fast Charger Work? To understand how a fast charger works, we first need to know how a lithium-ion battery is charged. Lithium-ion batteries are used in our smartphones and other electronic equipment, but they don't charge linearly. When a user connects the phone to the charger, the battery charges from
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Interface an smartphone with an Arduino via Bluetooth to control an LED from your phone.

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Interface an  smartphone with an Arduino via Bluetooth to control an LED from your phone. Ever thought of controlling any of your electronics  devices with your smartphone? How about a robot or any other device? Wouldn't it be cool to control them with your smartphone? Here is a simple tutorial for interfacing an Android smartphone with Arduino via Bluetooth! You need Some Components Arduino UNO Blutooth Module Led Resistor Android studio is not really required here, since I will provide you with the Android application that I made. You can install the given .apk file to use the application  How Does It Work? There are three main parts to this project. An Android smartphone,  Bluetooth transceiver, and an Arduino  blutooth works on serial communication. The Android app is designed to send serial data to the Arduino Bluetooth module when a button is pressed on the app. The Arduino Bluetooth module at the other end receives the data and sends i
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