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Home Automation Using NodeMCU and Blynk 2.0 | Control Bulb Using Blynk 2.0 | Blynk 2.0 Projects

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Control Electric Bulb Using Blynk 2.0/Blynk IOT
Required Components
==================
1. NodeMCU
2. Relay
3. Bulb
Components Link
===============
1. NodeMCU - robu.in/product/nodemcu-esp82...
2. Relay - robu.in/product/5v-2-channel-...
3. Connecting Wires - robu.in/product/30pcs-flexibl...
Software Required
===============
1. Arduino IDE - www.arduino.cc/en/main/software
2. Programming Language - C Language
Source Code
===========
github.com/Tech-Trends-Shamee...
Reference Video of Arduino Experiments
======================================
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Опубликовано:

13 янв 2022

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Комментарии : 78

@stevechristie4030 Год назад

BRILLIANT! Excellent project WITH EASY TO DOWNLOAD SKETCH! Thank you very much!

@TechTrendsShameer Год назад

You are welcome! Keep Supporting.

@clobel55 5 месяцев назад

how could you say that? This guy is completely incomprehensible

@KrishnanS-mt8zw Год назад

Good teaching, thank you.

@TechTrendsShameer Год назад

Thank you

@nathanielsyiemlieh2196 2 года назад

very helpful thank you it's working for me

@TechTrendsShameer 2 года назад

You're welcome!

@trtcsoftware4703 2 года назад

0hh best leh bro biang2

@pineappily3119 8 месяцев назад

Relay turn on but it does not work for any commands and it does not turn off. I even tried by setting digitalWrite to low but it does not work.

@hellyosagenghaqiqie9685 10 месяцев назад

THANK YOU

@TechTrendsShameer 10 месяцев назад

Welcome.

@varunraghuwanshi3177 Год назад

My relay led is on and off while triggered but the bulb continuously on and i m also not getting any switching sound why pls help

@maitreythakar9970 3 месяца назад

my NodeMcu's LED is blink and stop is my Node mcu is works or not ?

@rodrigocontrerasa.254 Год назад

The relay doesn´t work properly with this code. When you conect the cable with the signal, it activates the relay but didn´t respond to the commands of the phone or Comp. It seems that the relay is always activate. Is the same problem that explain some of the other coleagues previusly.

@subhodipchowdhury6492 11 месяцев назад

i face same problem , please can you explain the solution !!

@sulaimanbaigmirza1679 7 месяцев назад

Sir my bulb is just switched on and not getting off, only the MCU led is getting off.

@issacstanly.d2151 Год назад

Sir can i use analog bulb

@nupurpandey8181 2 года назад

I am a learner. Nodemcu is connected with wify and setup all parameters but through the blynk I cannot make it on or off.

@TechTrendsShameer 2 года назад

What error you are getting?

@anjaneeshreddy2197 2 года назад

Blow is glowing but node mcu is working...what is the problem with the relay, iam not understanding...

@TechTrendsShameer 2 года назад

I didn't got your question. Can you please let me know the problem you are facing?

@hannahanani6778 Год назад

Can i know why i cant put relay D4. its show error and the system askme to change to V4. Is it still the same? I follow all the insruction but i cant turn on the bulb(as for me i change to fan). My fan not move at all

@TechTrendsShameer Год назад

Please reply the below 1. Where you connected the pin in Nodemcu D2 or D4? 2. In Blynk -> Datastream which pin you selected? 3. In the program which pin is mentioned?

@izzuddinaiman3433 Год назад

@@TechTrendsShameer 1. in NodeMCU I connected to D4 2. in blynk I selected pin 2 3. In the program, pin D4 is mentioned

@VoidFiller1 Год назад

bro is your project working?

@AkvilExperiment 7 месяцев назад

Same problem I'm facing

@nishatvasker7397 2 года назад

The source code link is not working,,can you kindly please provide the source code!

@TechTrendsShameer 2 года назад

Please check this link drive.google.com/file/d/12QAQ_tQcEUAJ3tWhwNkZHHfKNx2jxeDk/view?usp=sharing

@nupurpandey8181 2 года назад

I am using 4 relay. What will be the source code?

@TechTrendsShameer 2 года назад

#define BLYNK_TEMPLATE_ID "TEMPLATEID" #define BLYNK_DEVICE_NAME "Control Electric Bulb" #define BLYNK_AUTH_TOKEN "AUTHTOKEN" #define BLYNK_PRINT Serial #include #include char auth[] = BLYNK_AUTH_TOKEN; char ssid[] = "WIFI Username"; // type your wifi name char pass[] = "WIFI Password"; // type your wifi password int pin1 = D1; int pin2 = D2; int pin3 = D4; int pin4 = D5; void setup() { Serial.begin(115200); Blynk.begin(auth, ssid, pass); pinMode(pin1,OUTPUT); pinMode(pin2,OUTPUT); pinMode(pin3,OUTPUT); pinMode(pin4,OUTPUT); } void loop() { Blynk.run(); }

@sulaimanbaigmirza1679 7 месяцев назад

This code is showing compilation error for ESP8266wifi.h, what to do?

@TechTrendsShameer 7 месяцев назад

Install the Blynk library from Arduino IDE -> Tools -> Manage Libraries

@sulaimanbaigmirza1679 7 месяцев назад

Thank you sir, the problem is solved but the bulb is not working instead the LED on the MCU is working, please help me out.

@KokilaShri-mb6cw 5 месяцев назад

What library are you using sir

@TechTrendsShameer 5 месяцев назад

Blynk library.

@praneetha7483 11 месяцев назад

Sir its showing as uploaded but its not showing online

@TechTrendsShameer 11 месяцев назад

Check the WiFi Connection, Auth code and the circuit connection.

@malcolm5688 2 года назад

Sir please make one video tutorial on Temperature control fan

@meghankingdom3568 11 месяцев назад

Sir which ssid and password we entered in programme?

@TechTrendsShameer 11 месяцев назад

Enter the ssid and password of the connection which you are using.

@namitadandapat9635 2 года назад

My project is not seeing device online

@TechTrendsShameer 2 года назад

Please message me on Instagram instagram.com/tech_trends_shameer

@arfatgoundi6453 2 года назад

Sir what is the source code for 2 channel relay

@TechTrendsShameer 2 года назад

You can use the same code, there is no change in code. In blynk, you need to add 2 variables. That is the only change.

@AkvilExperiment 7 месяцев назад

Sir I have completed the project but in the program it shows V4 And another problem is it is not connecting to internet and shows offline

@TechTrendsShameer 7 месяцев назад

Its D4. Not V4.

@AkvilExperiment 7 месяцев назад

@@TechTrendsShameer it is not connecting to internet?

@TechTrendsShameer 7 месяцев назад

Check the video again and follow all the steps in the video. Check the circuit connection Check the Auth code from Blynk is correct.

@prathapa3100 Год назад

Sir I can't able to connect Google assistant sir.i should done all the things that you have don't i can't able to connect Google assistant.

@prathapa3100 Год назад

Is there is any code to insert into esp8266

@TechTrendsShameer Год назад

please connect me in instagram.

@3BoxCreation 2 года назад

Code link not working

@TechTrendsShameer 2 года назад

message me in instagram.

@shubhamsaptasagare7957 2 года назад

Very Good Project I also trying to make this but my relay not running properly both red and green signals are giving ! So how can solve this problem?? Guide me sir

@TechTrendsShameer 2 года назад

Thank you. Did you have external power supply to the relay ?

@TechTrendsShameer 2 года назад

Pls send me the photo of connection

@Electroxadict 2 года назад

For esp32

@TechTrendsShameer 2 года назад

Just need to change the pin and the corresponding lines in the code

@kamals9122 Год назад

@@TechTrendsShameer send the code for esp32 sir

@hannahanani6778 Год назад

Is it still the same if system donr recognize D4. and only know V4

@TechTrendsShameer Год назад

Please reply the below 1. Where you connected the pin in Nodemcu D2 or D4? 2. In Blynk -> Datastream which pin you selected? 3. In the program which pin is mentioned?

@hannahanani6778 Год назад

@@TechTrendsShameer 1. At D4 at nodemcu 2. Pin 2 same as you 3. I copy your code which is D4 is mentioned at code Should we put socket too? Because i just use fan pc connect to relay

@TechTrendsShameer Год назад

Connections are correct. Give power supply for the fan through a battery.