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HowTo Make Variable Power Supply Using LM317

  How to make variable power supply using lm317 | #newvideo2021 #newvideo #voltageregulator #variablepowersupply #diy #lm317 #bd139 #tip3055 This Project is to make a simple variable Power supply in LOW cost. Mager Components LM317-: The LM317 is an adjustable 3-terminal positive voltage regulator capable of supplying different DC voltage outputs other than the fixed voltage power supply of +5 or +12 volts or as a variable output voltage from a few volts up to some maximum value all with currents of about 1.5 a mperes. BD139 Transistor:- BD139 is an NPN transistor hence the collector and emitter will be left open (Reverse biased) when the base pin is held at the ground and will be closed (Forward biased) when a signal is provided to the base pin BD139 has a gain value of 40 to 160, this value determines the amplification capacity of the transistor. The maximum amount of current that could flow through the Collector pin is 1.5A, hence we cannot connect loads that consume ...

Bluetooth Control Home Automation Using Esp 32 (BLE)

  Bluetooth Control Home Automation Using Esp 32 (BLE) Hello, Friends Welcome to my Channel " Electrify Circuit ". This video is Bluetooth Control Home Automation Using Esp 32 (BLE). Control Home Appliances Using Andriod Phone App it's very used for a handicapped person.   For the last few years, the wireless world has been bombarded daily with information about a new generation of radio frequency(RF) technologies that would profoundly impact. if not revolutionize.the way we bye and contact our businesses. ‘The wireless-networking standard technology called Bluetooth has quietly become a common way to replace the wires on short distances. With a gadget such as a smartphone (Android Phone) or a tablet featured with a Bluetooth module, a wireless connection is the easiest way to send and receive information, And because this technology spread in the prototyping circuit, it’s often used to control things wirelessly. This project work explains how to control electrical ap...

How To Control 12v RGB Led Strip Using Arduino And BC 547 Transistor With Code

  How To Control 12v RGB Led Strip Using Arduino And BC 547 Transistor With Code Hello, Friends Welcome to my channel Electrify Circuit Today Video How To Control RGB Led Strip Using Arduino And BC 547 Transistor. View full video. Required Components:- -Arduino NANO -Breadboard -RGB Led Strip -Jumper wire - BC 547 Transistor Circuit Diagram:- Video:- Code, Circuit Diagram Download Link:- Click Here Others Videos:- How to Test Esp32 Bluetooth Led On/Off To App:- https://youtu.be/AiQ5IF_j--k How To Make a 5V Relay Module At Home and Check using Arduino:- https://youtu.be/ZMewjmbJu4c How to Decode IR Remote Value Using Arduino UNO:- https://youtu.be/TXoin8xyX6Y LED shifting using push-button and Arduino nano:- https://youtu.be/9uNiHqaziqs 7-segment 0-9 counter using Arduino Nano:- https://youtu.be/hTY3PsQ7H9A How to test Arduino Nano | How to led blink with Arduino nano:- https://youtu.be/Rbdl2Ii10b0 How to make full bridge rectifier | 0 to 12v voltage regulator |...

How to make Remote Control Home Appliances using Arduino Nano/Uno.

  How to make Remote Control Home Appliances using Arduino Nano/Uno. Hello, Friends Welcome to my channel ElectriCircuit Today Video is How to make Remote Control Home using Arduino Nano/Uno. using my prevision video relay module and IR remote decode. How to Decode IR Remote Value Using Arduino UNO:- https://youtu.be/TXoin8xyX6Y How To Make a 5V Relay Module At Home and Check using Arduino:- https://youtu.be/ZMewjmbJu4c Required Components:- -Arduino NANO -Breadboard -TSOP 1738 (IR receiver) -Jumper wire - Relay Module -Bulb -Bulb holder Code, Circuit Diagram Download Link:- https://drive.google.com/drive/folders/1pP3uRvI-7w2URqKZAhKwqGkoAgcwvVE1?usp=sharing

How to Test Esp32 Bluetooth Led On/Off To App

How to Test Esp32 Bluetooth Led On/Off To App   #arduino #esp32 #arduinoproject # NodeMCU Hello, Friends Welcome to my channel ElectriCircuit Today Video is How to test Esp32 Bluetooth using App make an app using MIT App inventor. One led On/off Using Android App. Required Components:- -ESP 32 Board -Breadboard -LED -Resistor -Jumper wire Code, App, Circuit Diagram, aia file Download Link:- Click Here

How to Decode IR Remote Value Using Arduino UNO

 How to Decode IR Remote Value Using Arduino UNO Hello, Friends Welcome to my channel ElectriCircuit Today Video is How to Decode IR Remote Value Using Arduino UNO. Required Components:- -Arduino UNO -Breadboard -TSOP 1738 (IR receiver) -Jumper wire Code, Library, Circuit Diagram Download Link:- https://drive.google.com/drive/folders/1jWvZeNAF5uArAQOUPn2AKPtG4jDG9XCd?usp=sharing

How To Make a 5V Relay Module At Home and Check using Arduino

How To Make a 5V Relay Module At Home and Check using Arduino One of the most useful things you can do with an  Arduino  is control higher voltage (120-240V) devices like fans, lights, heaters, and other household appliances. Since the Arduino operates at 5V it can’t control these higher voltage devices directly, but you can use a 5V relay to switch the 120-240V current and use the Arduino to control the relay. Pin details The relay module consists of six pins as a normally open pin, normally closed, common, signal, Vcc, and ground pins.  Signal Pin : It is used to control the relay. This pin can be active low or active high. In case of active low, the relay will activate when we apply an active low signal to the signal pin. On the contrary, in the case of an active high, the relay will activate when we apply an active high signal to the signal pin. But usually, these modules work on an active high signal. This signal will energize the relay coil to make contact with the ...

How To Blink Led Using Arduino Nano

  How To Blink Led Using Arduino Nano View this video :  https://youtu.be/Rbdl2Ii10b0 Component: Arduino Nano  Led 5mm Resistor 330ohm Jumper wire Breadboard Code: // the setup function runs once when you press reset or power the board void setup() {   // initialize digital pin LED_BUILTIN as an output.   pinMode(LED_BUILTIN, OUTPUT); } // the loop function runs over and over again forever void loop() {   digitalWrite(LED_BUILTIN, HIGH);   // turn the LED on (HIGH is the voltage level)   delay(1000);                       // wait for a second   digitalWrite(LED_BUILTIN, LOW);    // turn the LED off by making the voltage LOW   delay(1000);                       // wait for a second }

"LED shifting using push-button and Arduino nano"

   "LED shifting using push-button and Arduino nano" This project uses an Arduino Nano in 3 Different colors Led and Push-Button to Shifting led on. This use to Decoration Lights and toys etc. you use to 3 to more Led this project. * Circuit Diagram : Link get Blowe View this video.     https://youtu.be/9uNiHqaziqs Code: int ledy=10; int ledw=9; int ledr=8; int buttonpin=2; int stateOfPin=0; int oldStateOfPin=0; int buttonState=0; void setup() {     pinMode(ledy,OUTPUT);     pinMode(ledw,OUTPUT);     pinMode(ledr,OUTPUT);     pinMode(buttonpin,INPUT); } void loop() {     buttonState = digitalRead(buttonpin);     if (buttonState == 1)     {         delay(50);         buttonState=digitalRead(buttonpin);         if(buttonState==0)         {             stateOfPin=oldStateOfPin+1;   ...