IoT based Home Automation project using NodeMCU ESP8266 and New Blynk app | ESP8266 Projects 2021
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- čas přidán 7. 09. 2024
- In this ESP8266 project, I have shown how to make the IoT based Home Automation project using NodeMCU ESP8266 and New Blynk app to control 4 relays with real-time feedback. You can also control relays without WiFi from the manual switch. For this IoT project, I have used the FREE plan of the new Blynk IoT platform, so you can easily make this simple home automation system to control the appliances from anywhere in the world through the internet.
PCBA from $0 (Free Setup, Free Stencil) jlcpcb.com/RHS
Download PCB Gerber file for this NodeMCU IoT based home automation project
drive.google.c...
Previous New Blynk NodeMCU tutorial video link:
• Home Automation using ...
Project on NEW Blynk + ESP8266 + IR + Sensor: • ESP8266 Project using ...
Covered the following topics during the Blynk ESP8266 project:
00:46 Control ESP8266 NodeMCU from the new Blynk IoT app.
02:00 Required Components for this Blynk IoT project.
02:23 Circuit of the NodeMCU ESP8266 home automation project.
04:58 Program NodeMCU with Blynk Example using Arduino IDE.
06:30 Explained the BlynkEdgent example code for ESP8266
08:18 Setup NEW Blynk IoT App for the mobile dashboard.
09:20 Adding WiFi credentials Over Air (OTA)
10:29 Controlling appliances from Blynk App and switches.
Required Components for this NodeMCU home automation project
1. NodeMCU
2. 4-channel 5V SPDT Relay Module
3. Push Buttons or Switch
Amazon India Affiliate links:
NodeMCU : amzn.to/3fJA4EG
4-channel 5V Relay Module : amzn.to/2BQ5Y3o
Amazon United States Affiliate links:
NodeMCU : amzn.to/2WoR2A2
4-channel 5V Relay Module : amzn.to/3r2HuJ4
Required Components for the NodeMCU control Relay Module PCB:
1. Relays 5v (SPDT) (4 no)
2. BC547 Transistors (4 no)
3. PC817 Optocuplors (4 no)
4. 510-ohm 0.25-watt Resistor (4 no) (R1 -- R4)
5. 1k 0.25-watt Resistors (5 no) (R5 -- R9)
6. LED 5-mm (5 no)
7. 1N4007 Diodes (5 no) (D1 -- D5)
8. Push Buttons (4 no)
9. Terminal Connectors
10. 5V DC supply
Download Code for this NodeMCU Blynk home automation project from the following article
iotcircuithub....
Important points:
1. In code, you have to update only the BLYNK_TEMPLATE_ID & BLYNK_DEVICE_NAME as shown in the video.
2. Keep all the 9 files (.ino & .h) in the same folder.
3. You have to reset NodeMCU to reconnect with the Wi-Fi.
4. If you use latched switch, then during reset the switch-2 (D3) must be turned OFF.
**Please take proper safety precautions while working with high voltages.
During this Blynk IoT tutorial video, I have explained all the steps to configure the new Blynk 2.0 platform for any IoT-based smart home automation system. If the NodeMCU is connected with WiFi then you can control the relays from anywhere in the world from mobile, and monitor the real-time feedback in the Blynk IoT applications. So with this smart house project, you can convert any home appliances to IoT devices and control them through the internet.
#homeautomation #blynk #nodemcu
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WARNING:
This video is for demonstration and educational purposes only.
Each demonstration presents risks and hazards that must be fully understood before attempting.
And should be performed only by professionals
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Other useful IoT projects:
Latest NodeMCU projects playlist:
• NodeMCU Projects
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• ESP32 Projects
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• ESP32 Smart Home Syste...
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Awesome, this is what i'm waiting for.
Thank you Sir 🙏🙏
You are welcome
I like your project, thanks sir.
You are welcome
Kindly make a seperate video on the electrical wiring. My device is connected, code works fine. I have done it all but somewhere I am going wrong coz of which one bulb glows as soon as power is on.
Ok. but it may happen due to loose connection
It is not a small limitation... its a huge limiataion.. just imagine you have placed the device inside a switch board... and wifi comes back !!!! How will you reset the board??? Not a good way of dealing with the problem.
Also the GPIO selection for the switches are really bad. As you know it will prevent the board from booting.... in short this project will have hard time working in reality... it is only good for youtube video.
Dear sir,
I’m a fan of your channel and I find it very educational. If possible could you do a video on how to build and program a project with a microcontroller and a wifi module (like arruino nano and node mcu or wemos d1 mini) using the Blynk app?
I attempted to build one for my personal project but I’m bit stuck on how the data from the arduino nano will get read by the Blynk app through my wemos d1 mini. Your reply to this is hugely appreciated.
Thank you
Bhai sb ke pass internet nahi rahata ha
Bluetooth + internet + mannual switch
Ak he app se control ho chahe internet se connect ho ya Bluetooth se
أهلاً وسهلاً ومرحباً مشكور .
Hi subhojit
I am masud from Saudi Arabia
I flow your all instructions of this vedio
Your code also uploaded
But my node MCU esp 8266 V2 no any light
I press the rest button
But same result
You are the master
Please help me
Hi,
Your explanations are very clear. If you could show how to use above project with extra facility of timer like switch off/on at a particular time, It would be more helpful.
Error ''old version of blink library is in use. Please replace it with the new one."
Thanks for share your knologe !👏👏
tq for sharing this project
Welcome
I need help 🥺🥺🥺 I use mobile charger for ESP8266 power supply, but when it connect with long time Then ESP is damage...... How and what kind of power supply I use. ( For long time use)
You can use any stable 5V supply. When you restart the NodeMCU, make sure the switch2 (D3) should be OFF
Error code
Error compiling for board NodeMCU 1.0 (ESP-12E Module).
found it .. reason is new blynk version not supported just manually delete old blynk library and downgrade to 1.0.1
The video you made is very helpful.
Can you teach me how to use the Time input with the new blynk? I don't understand.
Will upload soon. Thanks
Sir, if anyone haven't any wifi connection or internet connection then I want to connect individual smart devices to my mobile. Like Any Smart bulb when we setup to its app then it show to connect the smart device wifi then setup I want like this when internet is not available then I am able to connect my mobile to that device own wifi network and control to app. Can you make this type of smart devices
The author has an additional LED connection on the application. then perfect.(up time)(led connection)
Question: What is that black part to the left of the green LED on the self-planned board ?
What is this needed for ?
It does not appear in the parts list ?
You can instruction about timer on off forr relay
Will upload soon. Thanks
Dear sir I am fan of your channel
Please do this video also 8 channel control using esp8266 with IR remote
You can use ESP32 for 8channel relay module
after uploading code node mcu led not blynking also hotspot not seeen
Sir
I need to make water level monitoring system following is the logic
I need to start and stop motor through relays and i need to watch the level of tank through led widget i am using water level switch having 3 levels 0%,50% and 100%.
Kindly help me with program code.
Thanks in advance.
I too would like the 8 channel relay control using esp32, please
Okay. Will upload soon
Very good
Thanks
hi, i upload this sketch.but in app blynk when i want add new device blynk can't find device,wifi serch but can't find device
Make sure the WiFi led should blinking during that time
@@TechStudyCell wifi not blinking.
Device working because when i use other code i can connected
@@TechStudyCell his blinking but app can't find devices
wifi searching but can't find
Really I love you ❤❤
Thanks for the support
Sir I want 8 channel relay control using esp32
Ok
Is there any solution for node mcu not getting wifi connection automatically when loadshedding?
@Tech StudyCell sir what do I need to change in sketch to use touch switch using tp223 instead of push button?
Sir, I'm new in this so, if possible please make me clear about what is ch340g and co2102 node MCU.
can i add extra functionality of monitoring temperature and humidity in same project..
pls reply..
Sir please tell me. when the power to nodemcu is off (like 5v source charger is off by home light off )& the 5v source is on then nodemcu not restart automatically.can this is fixed with programming.plz reply
Nice project
Thanks
How to Connect
Google assistant + Alexa + Manual switches + IR Remote + without wifi + Temperature and LDR
8 channel system
Please say 🙏
All in one project
Why do you have to reset Node to connecg to Wifi ? is this because of the commented line ?
Helpful video... Thanks for sharing...
You are welcome
One dout if we will not upload WiFi id and password of WiFi then how will node mcu will connect to wifi ?
How to turn off the relay1 after a minute (Delay). How to write a code please help me. Thanks son.
Hi sir I have question for the Blynk app it must be connected with the same wifi which is the nodemcu connected with ? Thanks in advance
'D3' was not declared in this scope; did you mean 'V3'?
Excuse me brother is there any workaround for node MCU to automatically connect to the blynk server without pushing the reset button
Dear sir.. I need a timer circuit 230v. Pls show the tutorial
How to set timer function on blynk 2.0
pls upload for 8 relay
bro it is not showing wifi with the name of blynk while adding device and it shows device with the name of my board and whhen i try to connect it does not connect please reply
Sir, can we use esp8266 ch340g, module for same program and project?
Yes sir can we use this board i also have same board and having problem in connecting
Sir ,I have a simple doubt can you please clarify :
what node in node mcu?
Sir, I'm having blynkconsol error, saying print is not declared in blynkconsol.
the code was not working, any help ?
That's nice bro
Thanks
Can you make a project with app, site and manual connectable?
How to delete flash memory in nodemcu plzzzz make a video
Sir i forget my device ssid and password how to connect
Hi friends, good project,i also want to add this project 4 sensors Ds18b20 how can i do it ?
How about this?
You can refer to following video czcams.com/video/Vgyj3cCAioI/video.html
Sir I have to use tp223 in place of manual button . Will it work?
while compiling code BlynkEdgent.h: No such file or directory.
plz help
Please update the Blynk library
sem video esp 8266 me remote bhi add kar do n bhai
please please please give me the code of 8 Channel relay module with Node MCU, Please 🥺🥺
Stuck overflow solution
old blink doesn't work
In this code where wifi credentials given please clarify
In code no WiFi credentials required. Please watch complete video
Nice,
Brother, can i get schematic diagram of PCB ?
Voltage regulator is needed for this
सप्लाई बंद होने के बाद रीसेंट सेटिंग रिसेट हो जाएगा??
What kind of switch did you use?
Good morning
Same to you
does both should be connected to the same wifi or will it work even on the phone internet data?
WiFi can be different
Can u try home automation with Bixby voice
Bro can u plz move on with this type of project
if esp8266 does not reconnect automatically where is the point for a smart home project. in my point of view this is useless script.
please make 8 channel relays code
Okay
Hi Brother, can I ask if I can use 2 esp8266 using the same device, because I need to use 3 esp but blynk only gives 2 free devices, thanks.
Yes you can. This is the topic for next video.
Bro I am getting.error .Please Can you help me :Code_NodeMCU_Blynk2_4Relay_Button_NEW.ino:58:10: fatal error: BlynkEdgent.h: No such file or directory
You have to keep all the 10 files .ino & .h in same directory.
@@TechStudyCell how to do that because I am using Arduinodroid Application in android phone . Please Reply 🙏
@@TechStudyCell thanks now it works
8 channel relay with nodeMCU
is there such a board with 10 relays? I wanted to control 10 items in a room.
There are even with 20
@@arifqurbanov2159 How do I order a board with 10 relays anda ESP32 code?
Nice project bro, but why it doesn't reconnect automatically ?
This is a limitation, if you want to control relay without WiFi.
Hi. blink 2,0 + ir remote + 4 button + 4 relay WiFi on esp8266 nodemcu please.
Okay noted
@@TechStudyCell thank you for your attention
What's the total price?
Sir, can I add google voice control feature to this project??
Yes. but on paid plan.
Is it work in espesp8266 sir please reply
Bro how to fully delete old program in nodemcu 8266
When you upload the code, it will overwrite the previous one
Nice video🤝
Thanks
Esp32 8 channel plz upload
Ok
Sir, I'm asking more than 1 year for,
ESP 32 + 8 channel relay + Google Assistant + Alexa + manual (blynk as optional)
Is that possible to do?
You did Esp 8266 + 4 channel +google + alexa already, I did at it's working perfectly,
But I need 8 channel voice assistant automation,
so could you please do that for me?
Please post the project without 5v directly using 230V input
Yoh can use 230VAC to 5VDC for that
Can you please upload code for esp32 38pin model
Ok
@@TechStudyCell thanks
BlynkEdgent>h no such file or directory
ignore this i downloaded code incorrectly
ok
Sir you make awasome and usefull gadgets I heard that u told you can use this from anywhere but sir tried to make this it's working good but its work only when I'm near to the wifi can u explain me how could its work from anywhere so I can operate my home light from my OFFICE pl explain me
Not yet answer
The NodeMCU should be connected with the Home WiFi. Your mobile and NodeMCU are connected to Blynk server through internet. So when you 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. Here both the mobile and NodeMCU should be connect to internet.
Can u make video on this sir pllll make it
❤️
Hiii
Blynk👎🏼
App inventor 👍🏼
🇪🇨
In this code where wifi credentials given please clarify
Watch complete video
Sir, I'm asking more than 1 year for,
ESP 32 + 8 channel relay + Google Assistant + Alexa + manual (blynk as optional)
Is that possible to do?
You did Esp 8266 + 4 channel +google + alexa already, I did at it's working perfectly,
But I need 8 channel voice assistant automation,
so could you please do that for me?
Please refer to following video: czcams.com/video/QGpZmZB9g5g/video.html