IOT based home automation using Nodemcu | Step by step instructions [ESP8266 project]

[@WawanSetiawan_82]

Luar biasa banyak fiturnya terimakasih banyak selamat dan sukses buat Srituhoby semoga ilmunya berkah. Amiin

[@SimonUsijuChagwa]

Please what software did u use to design the circuit diagram?? I want to add more to your current work pls it's urgent

[@anissabeur8364]

thank you for the video, can i use only one sensor ? if so should i keep only the part of the code that concern the sensor i want to use ?

[@q2l867]

If I want to make this as final year project but would like to put it all together in a more professional setup how can I do that

[@Abidali-qi3xj]

I have Smart home project Features. 1. Gate opening through biometric 2. Automatic watering system. 3. Automatic lighting system with motion sensor 4. Gase detection and Automatic exhaust system

[@royx1236]

Hello Sir, 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

[@krisluv]

hi, what is the size of bread board because my nodeMCU covers A-J everything ? No, holes r left to connect jumper wires ??

[@anggitwijanarko8298]

what kind power supply do you use?

[@mahadabdillahi276]

Hi, How can I use with the new BLYNK 2.0 app. excellent idea I encourage you

[@sritu_hobby]

For that check my other videos. Or srituhobby.com

[@mahadabdillahi276]

Thanks a lot of

[@rahulbasetti700]

Can I make use of google assistant and alexa for voice activation?

[@harishmannar]

Can't we connect these devices remotely with the hub, only power will be providing to device and balance communication through wifi etc

[@hasanamin6740]

hello, i tried it everything is working perfect but firstly the lcd showed temprature and humidity but now it is not showing them. and the compiler is giving me some error crystallibrary run over avr and not compatible with esp8266. everything else is working fine

[@girov1625]

Great, can you upload a QR code for Blynk?

[@morphas270]

can u try these sensors with new blynk application?

[@sulavrijal6368]

sir only my gas sensor is working properly other sensors and not working smoothly can you tell where i might have made mistake

[@saumilshah3532]

yes i also encountered the same problem

[@ilijapavlovic7498]

What was the problem?

[@aichachellia4599]

Can I use Arduino nano esp32?

[@sritu_hobby]

No

[@abdoalsharef8288]

hello mr ihave a little problem....the pir sensor keep running on even if no thing around can you till me where the mistake

[@richichilaquiles7451]

Hi, me again...my MQ2 is crazy, I don't know why, I don't expose it to gas and it makes readings over 600 or more ,then it goes down to 0 and 2 seconds later it goes up again, I see the graph in Blynk, I have tried with many PINS but it still doesn't work properly, can you help me? should I calibrate? thak you!

[@kanchanchy867]

Please , tell me sir Can i use 44.4volt battery??

[@sritu_hobby]

Don't use

[@kanchanchy867]

Sir, can i use 44.4volt battery in this project

[@kanchanchy867]

Please, tell me sir

[@vermashivam01]

Hii, i want to add 4 channel relay in this project along with all other sensor but all digital pin are full , is it possible to add ??

[@sritu_hobby]

It's not possible

[@roghibashfahani15]

Hey sir, are you have a tutorial for blynk to WhatsAp notification?

[@sritu_hobby]

No bro.

[@sulavrijal9128]

Sir even if i disconnect my pir sensor or turn off the buzzer keeps on ringing non stop please help kardijiye🙏🙏

[@akankshasrivastava6373]

Mere LCD vale code me error aara. Can u help me?

[@sritu_hobby]

Check you program

[@akankshasrivastava6373]

I have downloaded ur code file and then open it with IDE and include the libraries which u have given? What else i have to do? I have my project submission please let me know

[@jacobytahu2941]

hi, is it possible to do the same project but with 4 relays?

[@sritu_hobby]

Digital PIN limit exceeded

[@jacobytahu2941]

@@sritu_hobby okk , thanks a lot

[@harshal_raut]

Can I make this project and google assistant home automation project in one using single Node mcu. Is it possible ?

[@sritu_hobby]

Yes, you can do it.

[@harshal_raut]

@@sritu_hobby how? Can you help me because i don't know lot about coding

[@utsavpatidar1562]

Ye Smart home ka project he?

[@Abidali-qi3xj]

Yes i have too smart home project. If you need then inbox

[@ibadurrehman3974]

Can you please show this with blynk IOT as blynk legacy is not usable anymore. Im trying with blynk Iot but its very different

[@sritu_hobby]

Check our videos

[@Abidali-qi3xj]

I have this project too if you need then reply

[@tanujthour5488]

Bro can you help me with blynk app because it needs subscription for V and H level can you seng me apk directly

[@RajShekhar-sx2df]

It is showing error that pirsensor was not declared in the scope, Can u please tell how to resolve this issue?

[@calambarichleah7978]

Where you put the last 2 wires using the alligator?

[@sritu_hobby]

External power supply

[@turzapodder]

Can i use another nodemcu esp2866 model other than cp2102?

[@sritu_hobby]

Yes of course

[@richichilaquiles7451]

can I use ESP32 instead of ESP8266?

[@richichilaquiles7451]

Nice... Great job btw, thank you!

[@kanchanchy867]

Can i Use 45volt battery

[@sritu_hobby]

9v

[@kanchanchy867]

Ok , sir

[@ratratzuiilopchungminh9816]

pls help me!! My LCD just light but not showing anything, what should I do now ?? :

[@sritu_hobby]

Check jumper wires

[@jhansikadarla3884]

Can you share the download link for the app "Blynk"

[@turzapodder]

Display doesn't show anything except the backlight and it keeps blinking and the buzzer just keep ringing. Checked all the wires. Can you please help?

[@sritu_hobby]

Please provide a external power supply

[@septianmegantara5414]

@@sritu_hobby Hai, how to connected the power supply to esp32, expecially for power supply 5V 3A.

[@sritu_hobby]

Connect it VIN and GND pins

[@septianmegantara5414]

@@sritu_hobby no i mean, how to connect the cable to the power supply

[@FahadKhan-je1jz]

Can we use Arduino

[@sritu_hobby]

Yes, but you must use erthernet shield

[@FahadKhan-je1jz]

@@sritu_hobby Arduino nano not work

[@sritu_hobby]

Sory you can't use arduino nano

[@jasonlol982]

hi, is it possible to use esp32 instead of esp8266?

[@sritu_hobby]

Yes of course

[@dragon-cu6cc]

1 nodemcu esp card or wemos d1 mini card 4 or 5 sensors

[@keerthanamohandas1206]

Sir , please share the code details? Can't download from website

[@sritu_hobby]

Description

[@ajayprajapati4250]

where can I get code for this project

[@sritu_hobby]

Please visit the video description

[@YOGESHKUMAR-we3dq]

Why ultrasonic sensor is not giving any reading

[@sritu_hobby]

Check your jumper wires.

[@YOGESHKUMAR-we3dq]

@@sritu_hobby bri i have checked everythinh jumpers , ultrasonic eve nodemcu , then also not working and even buzzer also not working

[@YOGESHKUMAR-we3dq]

@@sritu_hobby please help me beacuse i have to show it in my college project plzzz

[@Funtronicslk]

wifi ekata connect wenne nah ne

[@sritu_hobby]

Please check your WIFI auth token and WIFI password.

[@SNISHAANTHD]

bro facing a problem ...................... error: 'class BlynkWifi' has no member named 'notify'

[@SNISHAANTHD]

what todo !!!?

[@harikarthick1698]

Hello bro... The program was uploaded in wifi module and it was connected with my wifi but the blynk app didn't show my project is online . I cheeked with serial commication in arudino software it shows a "Invalid Authtoken" pls upload aa video for this error

[@sritu_hobby]

Please check your WIFi details and autk token

[@mathsloading6801]

Bro, change your ID and Wifi password . after this, try again. It Will Work.

[@dragon-cu6cc]

gas alarm fire alarm dht11 sensor and relay manual switch open closed warning bylink 2.0 compatible 4ın 1

[@mhsohan2769]

i didn't get the code

[@raushan.yadav10]

Sir code dijiye

[@s.salehin71]

Where is the code??? please reply

[@sritu_hobby]

srituhobby.com

[@rabeeusman520]

Where is the code? Please share code details

[@sritu_hobby]

srituhobby.com

[@zehranisar-kv5im]

Share me the code

[@sritu_hobby]

Description

[@Abidali-qi3xj]

I have this project too

[@sahilnasir8196]

Hey my lcd is not showing anything

[@sritu_hobby]

Check your lcd wires

[@sahilnasir8196]

Everything is fine the lcd is not showing any characters and iam getting unwanted gas level warning

[@sritu_hobby]

Check your jumper wires

[@angvietuc3857]

i don't no code =((

[@sritu_hobby]

srituhobby.com

[@vanshaggarwal148]

Can u share the code please

[@sritu_hobby]

Please visit the video description

[@vanshaggarwal148]

@@sritu_hobby Can we use it with any other app made by us?

[@sritu_hobby]

I think, yes

[@saumilshah3532]

Blynk app doesn't work now!!

[@sritu_hobby]

Please try again

[@Mellow136p]

Bro where is the source code

[@sritu_hobby]

Description

[@harikarthick1698]

Hey bro, this program was not working. The arudino software shows *the error compiling for this board*. Pls upload a proper program

[@sritu_hobby]

It's your board error

[@kerboussalazhar4609]

plz Is this site closed?

[@sritu_hobby]

Now ok.

[@kerboussalazhar4609]

@@sritu_hobby thanks

[@kerboussalazhar4609]

thaks a lot plz I found a problem with the code invalid conversion from 'int' to 't_backlighPol' [-fpermissive] in line : LiquidCrystal_I2C lcd(0x27, 16, 2); solution please

[@sritu_hobby]

Please include the I2C library

[@kerboussalazhar4609]

@@sritu_hobbythanks but it's in the program