Home automation using NodeMCU and Blynk App - IOT based Project

In this IoT based project, we will learn how to do Home automation using NodeMCU and Blynk App. This is a simple but useful home automation project with Nodemcu and a relay module where we can control home appliances securely from the smartphone.
During the video, I have shared the circuit diagram, Arduino sketch, Blynk example library for this internet of things project.
Please check NEW Blynk + ESP8266 + IR + Sensor Project: • ESP8266 Project using ...
For complete project details (schematics + source code) visit ► easyelectronic...
Download the Code: drive.google.c...
**You have to install the Blynk library before uploading the sketch. I have shown all the details in the video.
Required components for this WiFi relay module:
1. NodeMCU board
2. Relay Module 5volt
3. 5 volt DC supply
In this video, I have shown step by step how to download and use the Blynk app for this smart house project. I have also shared NodeMCU pinout details, which help you to connect the 4-channel or 6-channel relay module with the esp8266 Nodemcu board.
After watching the complete video you can easily design this low-cost smart home device and control the relay module with wifi.
#HomeAutomation #Blynk #TechStudyCell
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[@TechStudyCell]

Please check recent video on NEW Blynk + ESP8266 + IR + Sensor: kzbin.info/www/bejne/i4KbmYOngdCll8U

[@mr.innovator-shubhamsahu2433]

Which app to create thumbnail

[@royx1236]

Bro atleast you could have explained circuit 🙁

[@user-ge9ej7vf1k]

Bro relay ka volt kitna hai

[@TechStudyCell]

For complete project details (schematics + source code) visit ► easyelectronicsproject.com/esp32-projects/home-automation-nodemcu-blynk-relay-1/

[@azrulhafiz110]

Where the coding

[@Digi.world1]

sir, what is a difference bitween ch340g and cp2102 esp8266? Can we use ch340g esp8266?

[@conradstanley1027]

Best video tutorial ever!!!!!!!!!!!!!!!! Best of luck to you!!!!!!!

[@TechStudyCell]

Thanks

[@user-lz9xd1og6z]

wow this project is amazing thank yopu for showing us.

[@JayK108]

How to provide 5v supply to node mcu board? Nice detailed tut but still missing basics for newbies like how to supply 5v for the node mcu to install this in the switch board? How to give multi user access to this setup?

[@tonysicily2687]

A perfect tutorial, No horrendous music Simple clear instructions, VERY easy to follow Thank you Saved, Liked and Subscribed

[@TechStudyCell]

Thank you

[@souravshenoy9757]

IT IS SUPER AWESOME. VERY HAPPY TO SEE THIS VIDEO

[@TechStudyCell]

Thanks

[@followinglove666]

Sir if I don't have wifi connection then can I use Bluetooth with same procedure, so will it work or not ? Please help me...🥺

[@proftechpasquet5187]

Clair, net et précis ! Merci.

[@followinglove666]

Sir which NodeMCU Development Board would you use in this video? Please help me...🥺

[@magnetservicecenter]

Thanks to your advice, very good explanation

[@shomnath2024]

Nice IoT project 😊

[@TechStudyCell]

Thanks

[@shubmrairai1016]

Sir can you help me in my final year project my project is "IOT BASED stepper motor position control"in this we are using node mcu

[@user-lz9xd1og6z]

this is nicest project i really love it

[@sebinjaison8289]

awesome work

[@TechStudyCell]

Thanks

[@al_riki]

Thank you bro👍

[@TechStudyCell]

Welcome

[@JayK108]

Thanks for the tutorial. But you forgot to tell how to add board to arduino ide. Mine have a error while Uploading the sketch. Btw with this project the light works only with blynk and not with the switch how to make it work with switch board button and blynk too?

[@bhavikapatil4236]

Which board did you use for your project

[@electronic7979]

Very good project

[@TechStudyCell]

Thanks

[@GurinderSingh]

Is this on state agian if power failure after power supply again the last command work

[@amankumarmaurya9782]

very good thanks

[@TechStudyCell]

Thanks

[@SatishKumar-dq8lh]

how to add manual switch in this circuit reply

[@sriparameshwariharvestersu8148]

Tq so much bro it works

[@user-lz9xd1og6z]

amazing

[@royx1236]

I am facing issues with relay. My relay is getting NC to NO.. on applying both 3Volt and ground When I touch input pin of relay to 3volt of nodemcu it gets switched... And if i also connect it with ground pin of nodemcu..it also switched on

[@vcooltm8769]

In wait project RFID + relay + LCD ,tnks

[@TechStudyCell]

Ok.. thanks for the idea

[@brainstuff4501]

Sir i couldn't find this blynk app in google play store

[@elfrero8866]

thanks my friends

[@TechStudyCell]

Always welcome

[@crockz-coder]

Can we store the data on thingspeak such as how many times a particular Bulb is turned on or off in a day and what's the usage of particular bulb? I mean ON duration, For the same project

[@susmithak8574]

Home automation over the cloud using iot full project details and process uploading plss

[@techprime2795]

I made it but when I press a button from the blynk app the LED on the relay only decreases or increases ... why is that

[@yudikapangaribuan8007]

can we use analog as an input and output, and at the same time we use a digital input and output? or do we have to convert the analog signal into digital? Pls help me with this

[@ManishVerma-op2gr]

Sir apne jo code likha hai vo jyo ka tyo likhna hai kya, jese aapne void loop me only. Blynk likha hai vese hi ya kuch or b likhna hai uski jagah

[@belta75]

clair bien expliqué Merci est ce que je peux commander avec 4 relais?

[@shravanir5001]

It was showing led on relayboard but no sound in the relay??

[@ameenurrehman5600]

same problem with me

[@dev2773]

I m also watching this thing because to triggering relay you have to give 5volt dc to relay

[@dev2773]

@@ameenurrehman5600 did you fixed that

[@ameenurrehman5600]

Dogar 277 yes i fixed that

[@ahmetahmet9342]

@@ameenurrehman5600 how did you fix that? Help please.

[@fadhlurrohmanfaqih480]

hello there, mat i ask you a question sit? i try to use IoT pproject using nodemcu for my last project. But i have an issue that the nodemcu response is too slow after i give command from blynk app. Is strength of the internet connection influencing the nodemcu response? thankyou

[@sauravdey7893]

Can i give 12volt dc instead of 220/110volt ac. I want to control only 12volt devices

[@TechStudyCell]

Yes, you can

[@exclusiveyazdesign3079]

Thanks bro , please add the code in the description

[@TechStudyCell]

Download the code from description. You have to install Blynk library as I have shown in the video.

[@adamiskandar7845]

@@TechStudyCell for esp8266 what version to install?

[@techprime2795]

Thank you 👍👍

[@TechStudyCell]

Thank you too

[@karimgobara1475]

Me i have a problem of compiling I d'ont. now why I try to install a lot of library of blink

[@ankit7096]

thank you very much

[@TechStudyCell]

Welcome

[@michaelduldulao3138]

can i use the relay for my motor pump of my water tank..it is 1.5 hp

[@vengatesanmuthu1362]

in case of power cut during this opeartion ..it will not work again..what we do brother?

[@suyogkapdekar]

I am doing this project , but when I run in blynk app its shows nodeMCU if offline..please tell me solution..

[@payyavulanaveen6967]

Hello sir when I'm uploading it showing error esptool.fatalerror.failed to connect to esp8266:timed out waiting for packet header Pls solve my problem 🙏🏻 It port COM 7 It showing The selected serial port does not exit or your board is not connected But while uploading it blink blue led light in esp8266

[@nandhinijagadeesan3835]

Can i connect Arduino mega with NodeMCU esp8266 and then connect to thingspeak to visualize sensor data?

[@shailendersethi2619]

Hi can you provide solution for controling multiple devices on different wifi networks

[@mr.whitetech3887]

Sir My Code And Circuit Digram is correct But There Is DELAY is The when I ON or OFF the button why? Please Help ☺

Hello my friend i made that project but only i can control my nodemcu in home. I wanna control other family persons. But its not working on other phones.how it works with multi user. I need to use it 3 person.

[@albertlobitana]

Bro. can you help me?... my relay is already on. But in my application it showing device wasn't online yet. How can i troubleshoot?

[@chbharath4652]

Please tell me...which pins supported in 8 realy module.

[@AlpeshPatel-nv8ez]

Hi sir nodmcu ko Bina net ko chla sakte hai ya compalsary net chahiye Please

[@talhaeris3259]

Hard resetting via RTS pin promlens ????

[@damanshah2789]

How to control if blink app to connect to different wifi

[@dipaksonone2917]

Sir can we connect ir with the same circuit to control relay....must ans..plz

[@pramodpathade8682]

On which pins i should connect LCD??

[@kelishpal4622]

How you connect 5v to nodemcu

[@MrBelta57]

Hi what version you are using blynk iot i have loaded, 1.5.4(85) i have not these buttons

[@rp1570]

Great project. But I'm getting a problem. While compiling it says (esp8266. h no so file in directory) . And there are no ports also.

[@tn234ticaikatti5]

u Need to upload the Library and if the Port is not Showing Means U need to install the Driver..... there r two of Library is there one is CP2102 and CH340

[@Firojkhan-ci8io]

Sir mere blynk app me node MCU online nhi dikha raha hi

[@banerjeesubhendu4330]

Nice

[@kavanajr6141]

What's the language used to write the code and does this app still works or any updated app available in the play store??

[@pookoye]

Is there any solution for blynk app button is blindly acting on or off even nodeMCU is off

[@protechnology550]

Sir hum dunya k Kisi bhi Kona se relay control krsaktay han Just like hum agar office m han or Pani ki motor on krni ha to office se on hojaye gi?

[@TechStudyCell]

Yes. If the NodeMCU connected with the Office WiFi. Your mobile and NodeMCU are connected to Blynk server. So when press the button in Blynk app, it send the signal to Blynk server through the internet. And the NodeMCU received that signal from Blynk server.

[@dainyalazam23]

How to two phones are connect with one nodmcu on blynk app

[@dipaksonone2917]

in program we dont have to define pins?

[@rvfunny1203]

ESP8266Wifi.h: no such file or directory Problem kiya he vo btadona sir

[@atmrashedulislam8210]

can you add eeprom in this code? I'm not understanding how to add eeprom in same project. If anyone or Tech Studycell can help me , please help

[@jyotibasu143]

Can we use node mcu with 8 channel relay switch

[@matthiash.454]

Super project 👍🏼 Question could you change me the code to 4 relays? 🤔

[@TechStudyCell]

Please refer to this video: kzbin.info/www/bejne/hWq5io2njLWBe7M

[@radhapt18]

Sir cannot upload the program Showing error Shows no such directory-ESP.8266WIFI.H

[@nub6571]

Hlww sir we uploading a code perfectly but that wifi network is not showing

[@bunnywahengbam8708]

How to put 5v from charger please explain

[@rameshniroj2225]

Sir, Can we ADD 8 RELAY MODULE TO NODEMCU ESP8266????????.

[@satyashivajujjuri1569]

What is the lifespan of this nodemcu board

[@mrpavel70340]

PLEASE HELP . CAN NOT FIND Board: "NodeMCU 1.0 (ESP-12EModule)" in tool

[@TechStudyCell]

First you have to install the esp8266 board from tools board manager. Then select the NodeMCU

[@chbharath4652]

How can I create the timer switch..... Please tell me bro...

[@psspark2]

Super

[@TechStudyCell]

Thanks

[@moazmalik2353]

Is it ok if it's(Esp8266) Turn On all the day?I mean heating issues..

[@TechStudyCell]

no issue

[@jesthonymahilum8414]

Good day sir. Is it possible to control 8relays by lolin nodemcu v3 connected to blynk?

[@bhavinkoradiya8372]

Sir, Wi-Fi password is it Wi-Fi router, Or Nodemcu has work as wifi. Can you explain short what is said and it's password I am not understand.

[@Prerana_Nale]

Please can you send the list of the components it's urjent

[@shahinkadir259]

Sir esr 8266 ... remote system no possible?please

[@dhetchinas5405]

Bro any given the additional programs ???

[@rukshantech3196]

can I put the nodemcu 5v current in direct

[@adamiskandar7845]

how to fix wasn't online yet?

[@ma.cristinaj.gelardo414]

following huhu How to do this, sir?

[@adamiskandar7845]

@@ma.cristinaj.gelardo414 do you have home network?

[@nazranzafran3807]

Can i use 9v battery for nodemcu?

[@lilchera7905]

Can we use 12V relay module ?

[@marcuelo1nnb256]

Hi Tech StudyCell , I'm gonna ask permission for using your video for our page

[@TechStudyCell]

You can always embedde our video. And mention our KZbin channel

[@harineash.t1407]

How many relays can we control using this code

[@rishithavasagiri]

Can u tell where u get that node mcu board

[@emanuelefiorentino8934]

hello after changing the token and my wifi network, I can't find the nodemcu board in the tools, but it must already be connected to the pc? or am I missing something?

[@TechStudyCell]

First you have to download the esp8266 board. Then select NodeMCU 12E board.

[@emanuelefiorentino8934]

@@TechStudyCell where should i download the card? I Havel followed all your step by step guide, i Have not seen this step

[@shamimahmed-ux4jy]

Was not online yet problem what can i do

[@sridharan.s7934]

Sir this project must be use an a laptop

[@--Arunteja]

awesome but lagging brother

[@thehonestunboxer3466]

Modem u works with 3.3v only. 5v will damage the board

[@TechStudyCell]

There is a inbuilt voltage regulator, so you can give 5v at Vin.

[@kingmaker2777]

Project cost ??

[@CheGuSyaifulOfficial]

How to make blink app? Did you? Or already to use?

[@TechStudyCell]

Download Blynk app from Google play store and please refer the video.

[@CheGuSyaifulOfficial]

@@TechStudyCell oke thank you so much

[@clement_01]

Hi, how do you power your ESP8266 board? What power supply do you use?

[@TechStudyCell]

Mobile charger

[@clement_01]

@@TechStudyCell What voltage are you supplying to the board ? Is it 5V ? I can't power my 5V relay module even though I connect the relay with 5V input, how can you do that ?

[@vasarjun6567]

You can also use step down transformer, Bridge rectifier, Capacitor, 7805 regulator to get +5v dc supply to nodemcu

[@ramzanm45]

Can I use esp32 board

[@ruparnadatta7525]

Sir can you post the ppt for this project