Smart Home with Google Assistant & Alexa using NodeMCU ESP8266 (Manual + Voice) | IoT Projects 2021
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- เผยแพร่เมื่อ 16 เม.ย. 2021
- In this IoT projects, I have shown you how to make the smart home with Google Assistant & Alexa using NodeMCU ESP8266 to control relays with voice commands and manual switches. I have used all the free tools for this IoT-based home automation system.
$2 for 1-4 Layer PCBs, Get SMT Coupons: jlcpcb.com/RHS
Download PCB Gerber file for this NodeMCU IoT based home automation project
drive.google.com/uc?export=do...
During the tutorial video, I have covered the following topics:
00:22 Control appliances with Google Assistant and Alexa using NodeMCU
01:11 Control appliances manually with switches.
02:36 Required Components for this NodeMCU project.
02:49 Circuit diagram of NodeMCU home automation project.
04:07 How to create and configure Sinric Pro account.
05:37 Program NodeMCU with Arduino IDE
07:37 Setup Amazon Alexa App to add IoT devices.
08:41 Setup Google Home App to control NodeMCU with Google Assistant.
09:46 Control relays with voice using Google Assistant
Required Components for each room for this NodeMCU home automation
1. NodeMCU
2. 4-channel 5V SPDT Relay Module
3. Switches or Push Buttons
Amazon India Affiliate links:
NodeMCU : amzn.to/3fJA4EG
4-channel 5V Relay Module : amzn.to/2BQ5Y3o
Echo Dot Alexa(4th Gen) : amzn.to/3srCiPA
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 (4 no) (D1 -- D4)
8. Push Buttons (4 no)
9. Terminal Connectors
10. 5V DC supply
**Here I can control all 4 relays manually with switches. But as I have used the free Sinric Pro account, so I can control 3 devices with Google Assistant and Alexa. To control the fourth device, you have to purchase 1 device in Sinric Pro.
**If you use Switch, then the Switch-2 must be turned off during the booting process of NodeMCU. But for push-button, there is no such limitation.
**You don't need any Alexa devices like Echo Dot or Google Home Mini. You can just use Google Home App and Alexa App for this IoT project.
Download Code for this NodeMCU smart house automation project from the following article
iotcircuithub.com/smart-home-...
During the internet of things tutorial video, I have explained all the steps to make this NodeMCU ESP8266 smart home system with Sinric Pro to control the home appliances with and without internet. I have made this Google Assistant control smart home system without IFTTT. If the NodeMCU connected with WiFi then you can control the relays from anywhere in the world with Alexa and Google Assistant. And you can also monitor the real-time feedback in the Amazon Alexa and Google Home IoT applications. So with this smart house project, you can convert any appliance to IoT devices and control them through the internet.
So, now you can just ask Google Assistant, "Hey Google, turn off lights", or "Alexa, turn on light". that's it.
#internetofthings #homeautomation #googleassistant
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Other useful Internet of things projects:
Latest NodeMCU projects playlist:
• NodeMCU Projects
Latest ESP32 projects playlist:
• ESP32 Projects
ESP32 Smart Home System with Amazon Alexa app & Manual Switches
• ESP32 Smart Home Syste...
Alexa Home Automation project using NodeMCU
• Alexa Home Automation ... - วิทยาศาสตร์และเทคโนโลยี
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⚠️ This video took a long time to make if you would like to buy me a coffee to say thanks, link below: ☕
PayPal: paypal.me/sdaspay
Patreon: www.patreon.com/techstudycell
Just joined your Patreon monthly. Great stuff! I have some questions - let me know if your coffee comes with conversation as well!
Can you make video for esp32 and 8 channel relay using sinric pro
Sir plz send live photos of installation
How can I talk to you in private?
I check out the pcb it was for 7 dollars but the shipping fee is 40 to 50 dollars, for how much did you bought the customized pcb(5 quantity) shown above
Excellent one.... suitable price range of needed components is best suited to one's budget 💯
Thanks for such creative projects..
Works like a charm! Thanks for the video, it help me a lot!
Hlo
To connect more lamps you need a hub or server, por example the program home assitant in raspberry pi, and the custom firmware tasmota, and devices with esp8266 like sonoff to control outputs for control infinite lamps
Dude! Thanks for turning on all the lights in my house less than 5 minutes into your video!😂
Thank u brother for making this video . ❤
You are welcome
Your videos are an awesome treat !!!❤️
Thanks for the feedback
Bhagwan se to dar mere bhai
Great video👍
I had a question wrt the Channel Relay, is there a specific one required or any relay is fine. Since i have a relay module lying around but whenever i tried it doesn't work. Your thoughts.
VERY GOOD TUTORIAL, THANK YOU FOR SHARING THE SCIENCE
thank you for sharing this video it was very educational and we are eager to try this at school
You are really a PRO bro 😎
شكرا لك على كل المجهودات المبذولة thanks a lot my friend
Bro I need you help in this project
Thank you so much sir. It really helps me.🙏
Glad it helped
Can you please share the source of circuit diagram i need to change relay dimensions to get pcb printed
is square on pcb negative or positive . i have to connect led idk in which do i solder led
Awesome project Sir. I will try my level best to make it sucess.
I like your video. I always want to setup home automation and now i can try. Thanks for sharing.
Go for it!
Sir, can use esp32 and 8relay module,8manual switches?
Hi bro, can you trigger a audio file (USB) with sonar sensor using NodeMCU or ESP32... Reply will be solicited.
Excellent work bro super pentastic , and congratulations bro
Thanks
Can we do project with relay, nodemcu and switches only and removing transistors, resistors, etc as it needs electronic knowledge
Please urgent assistance needed.
What is the VCC used and where can I get it
Thanks for amazing content
Nice tutorial but is there any diagram for 8 to 16 lines or what is the max line that NODE MCU can handle? Thank you for the response
1 node Mcu can handle max 4 connection
Hi
Can you please send the BOM and pick and place files for SMT services to use this pcb
Hi from Czechia, thx for videos..... But this is exactly what I need as a time relay, to automatically turn on different channels at a set time? Can you recommend software for this? Thanks
HI @TechStudycell
Hello sir, Thanks for the wonderful and useful project.
am created the same project, but am facing an issue... is that, when where the power (electricity) resumes, all the loads or relays turns to ON.
The node MCU not storing the last status memory.
is there any solution for that.
Thank you for making such awesome videos, if possible please help making a combined circuit with light and fan controller as it will be really helpful
Noted.. Thanks
Very useful smart home system. Thanks for sharing
lol my google assistant understood your command it's kinda amazing considering it as a hard time with my own voice?
Very good job !!!
Everything works!!!
Thanks
Did you try this project ?
Very good content !!!!!!!
👌🤙💪
👏👏👏👏👏👏
Does the circuit diagram work ?
Hi, the ESP8266 so near with relay didn't cause the EMI problem because of the AC power line?
please help ,how to download the sinricproswitch library in arudino software
I have 2 channel relay and i only want to add two switches what changes should i do in the code + in the circuit diagram
I have esp 8266 Lolin v3 & i am facing problem in the video you use sd3 for switch 1 and in my esp8266 there is (S3) instead of SD3 what should I do?
Thank you so match for your video
how did you make the gerber file of this project ???
Thank you for this project.
Our pleasure!
Hello sir,
I'm looking for smart switch for curtain motor 24v dc , please can you help me make this circuit/module?
Thanks
Kind regards
Do we connect 8 channel relay to esp12e board oor it can be controlled by switch, voice please tell me
How can I add AC voltage switches which can control lights manually without powering the NodeMCU and relay
tengo una duda, en el caso que los switch manuales los ponga a positivo en vez de negativo, habra algun cambio???
No change i guess
Thanks for amazing content sir
You are welcome
SIR I TRY YOUR CODE BUT WHEN I USE TURN ON IN GOOGLE HOME OR ALEXA ,
WHEN I COMMAND LIGHTS OFF THE LED BECOME ON IT REVERSE ,AS OF NOW I DONT USE SWITCH
Hi
Thanks for very good
Does any of those module work with zigbee ?
in which software u r using to design Circuit diagram and then draw PCB..
How many lights can I connect with the physical switches?
Hi, I have a question, I need to used LCD so I need ports D1 and D2, but they already been used, so wha should i do.
op bro
you really explain well
hey brother, thanks a lot for such a brief and awesome informative video, i have few questions though,
will the sinric pro be running for long years or it may be closed. for how long we could use the app? what if he just shut downs itself? like app closed
Ideally we dont need any third party link blynk or sinric. As you can host your own webserver to control things from your MCU
@@varunaggarwal1510 How to do that? Where can I learn that?
can you tell me about software for designing PCB.? please.
Is sinric pro doesn't have any limit or retention for the 3 device button
Is it full free
With your program cab I connect this to smarthings app?
Bagus banget semoga ilmunya berkah pa guru..salam.
Giving switching control with nodemcu had lot of mal function. Relay Automatically turns on or off if some switch turns on from other room which means does not has physically connection to nodemcu Junction.
Sometime can't able to communicate with nodemcu needs to restart complete. It's really difficult to remove from Junction and reset.
Note : you can't find these issues with demo session , you need to test real-time which means need to connect in home switch board or Junction and where you using regularly.
Thank you man really thank you so much
You are welcome
Best Home Automation video...... Keep it up!!
Thanks
@@TechStudyCell
Hey can we control things independently
@@TechStudyCell Can you please tell me the board dimension?
does it trigger the relay if there is no internet in a loop ? which happens to me while using Blynk, if modem is off, the relay will trigger every 1 minute.
can i use relay for my water motor pump?
thanks bro your project its amazing. i've got one question do you thinkt that its possible to replicate this project but using micropython?
for the ESP8266?
Very very impressive sir
Thanx from Morocco
khoya wach khdem lik mzyan?? khani n9dm projet ista
Bro in u r previous led strip uv sterilizer, is it can powerup the 3 set of uv strip with 24v supply? Is it cause Any change of brightness issues?
Bro i need u r support
Sir agr isme fan ko connect kerna hoga to kaise karenge?? Please make video for this.. 🙏🏻
thanks a lot, you make my jam and jelly
thank you bro ♥️♥️♥️♥️
Yea cool but power it from the same circuit it controls or it's less waste of batteries.
sir , if i add lcd display .
what code need i add to make the device id into name in lcd
Sir can u teach me this project on software so that I can simulate
We can insert old phone charger pin for program in node mcu ah bro pls tell pls respond bro
Sir can you please tell me where did you upload that code during that upload section
hello friend, can you help me with something. when I do the project it works perfect. but when I mount it in my room that I make all the connections the manual function does not work for me. It is possible that it is because the cables that go from the ESP8266 to the push button I am passing them next to the alternating current cables 120 AC
not push buttons use only normal one way switch
Can we use it on 440 volt, 3 phase motor?
Isme sinricpro. h no such file or directory bata raha hai sir kya kare
Buenos días, perdón por no saber inglés. Mí pregunta es ¿éste sistema funcionará con Alexa o con Google, sin tener el servicio de internet? , gracias
PCB the components you solder in which all positions like that is not clear .... So can you do a video on PCB soldering the components....🙏🙏
Sir plz making a video on 4 channel home that can be control with Blynk and google assistant and manual. THANKYOU
like the way he said hey gulgun
Excellent project,keep it up. Sir please make fm radio using node mcu esp8266 ,your explanation is very clear, thank you in advance.
Ok. Thanks
How to tackle back emf issue with connecting inductive loads like ceiling fan
Hai ..sir please make a this program
How to program two light swrichs and fan switch with speed control in esp8266
can you tell me what the 4 edge hole is called and what is the purpose of its? I want to screw it in pcb instead of soldering it using that 4 holes.
is it feasible?
please reply
No
Is it possible to get one number pcb which you used in this project. If it so please give the link for purchase with details.
Much waited video
What modification I want to made with the coding if I didn't uses the switches
Sir the manual switches are work when there is no power for the system??🤔🤔
Bro can the rellay withstand the power of a regular home water motor
Bro cp2102 ke liye driver install kese kare pc win7 32bit
Bro I have esp8266 but it is cp2102 and have not 5v pin it have 3v pin can it work
Please what did you use as the VCC and how can I get it.
it +5V DC
@@TechStudyCell ok but please I'm still confused on the circuit part you used for the VCC. On the circuit board the part labelled VC/JD, what circuit part is soldered there?
I'm having a very hard time finding the particular part that is. Please help.
Hello sir ..I need ur help .. my program is problem
esptool.fatalerror failed to connect to esp8266 timed out waiting for packet header
thank you ♥️♥️♥️♥️♥️
Thanks
thank you
Can the jumper wires handle 240V with 1.5 Amps running through it? Can we build this setup in a breadboard?
That's just common sense.
thank bro
is it working the manual switches if the nodemcu not connect in wifi?
What if I use 12 v relay module
any alternative for sinric pro .so that i can use all 4 relays and was planning to use 8 relay module .
Will make video, if I find any alternative. Thanks.
Just use tasmota.
What Set of wires are used in the model?