great job with this information! i've sat through a lot of tutorials lately and this one is one of the few keepers! i'm looking forward to trying this out soon! THANKS

So cool, just got my 8266 boards in from Banggood. Thanks for very clear instructions.

Love the "HTML mambo jumbo"! Made my evening! :))

thanks for this very clear tutorial that made me clear into several things!

I like the way you explain things to dummies like me! Subscribed!

Thank you so much! This is the missing link I was looking for. I’m planning to create a door lock with (motorized) metal bars, but wanted a simple way to control it via Internet.

Checking out your channel for the first time.. Really cool! Thanks for sharing all your hard but cool work!

Ja, super helpful! Thanks so much. I felt pretty confused when first getting this guy but am now stoked.

Amazing tutorial, thank you for the detailed video!

Thanks so much for the great tutorial! I was wondering how to go about doing this exact same thing, but uploading that http code to a subdomain on my personal website in order to control the relay from anywhere.

Great video thanks so much for showing an example I had one of these with no idea how to control it

it worked perfectly here.. thanks from Brazil

Thanks, everything worked!

Nice video, I did similar with NodeMCU controlling external lights from my phone remotely, works a treat, Very nice project, next wil be camera, n PIR detection, . Cheers

Loved the video you explained it in a very easy way to follow but was hoping you were going to show an easier way than that as I just want two Wemos d1 mini boards with a switch on the first one on-off, and the 2nd one with a light so when the switch on the first one is turned on the light on the second one comes on. any suggestions would be good thanks!!

some internet browsers are checking URL links for updates, what can cause random switching. So you need to keep it in mind by using GET method in URL. And you need to check for WiFi connection if got lost and you need to reconnect. I had similar issues some time ago for standby application.

Thanks, Good one man!

You are a good teacher. nice video. thank you so much.

Thanks for the code i will have to try it out!

Thanks for the code! With a little html programming that could make a neat setup. You could turn on/off a device from anywhere on your network or beyond. Thanks for the video can't wait for tomorrows adventure. Oh I didn't have time last night but will give it a go.

Thank you so much, its working fantastic

Dear thank you for your videos. I have a question of how can we connect from outside of the network , maybe by mobile network or etc.

this was a good tutorial thank you

thanks.. good job brother..

Appreciate! Keep Creating Such Awesome Videos Boss!

Nice project and tutorial 👍

great video. I plan to use the ios Blynk app to run some domestic projects. I saw the relay on eBay but they don't come with the black pc breakout board you have on your video. where can I find the relay attachment base? thanks once again for the great tutorials!

Thanks for your tutorial, you helped me so lot! I'm brazilian and you helped me to choose this device for learn more about arduino with wifi works. Great tutorial! Thank you for yout time. Sorry for poor english.

If you don’t know already, I’m not going to tell you - good idea!

Hi, Thanks for the video. a question : output of esp8266 signal is 3v? & how did you manage to control 5v relay input signal?

good job, thank you.

Nice and informative video. Question - i connected wemos with relay and AC power accessories. i'm able to control but because of no power-backup or whatever reason if there's couple power fluctuations, it wipes out the config from the esp8266. Any ideas, how to avoid it ?

Hey, awesome and interesting tutorial, thanks. I was just given a D1 and was wondering whether you think it would be possible to create a SONOS Speaker control board using it? E.g. pause/play/volume for the SONOS. I'm relatively new to anything arduino related, and kinda alright at programming! hahah

thanks u a lot

Have you ever done something like turning off a relay if/when the main power goes off so that your solar power doesn't feed back into the grid?

good video.ty for sharing

Thanks a lot for the description. It is great. How can I make the app for multiple channels? Thank you.

Thanks for the video, man! I was trying to wrap my head around an ESP-01, to toggle a bunch of LEDs through a webpage. This setup would be perfect. Perhaps in another video you could turn on and turn off an appliance with this just to give us an idea of how it's done? PS: Is port 80 the only port we must use for html or can we use any other port number?

Exactly what I was looking for! Hey is there a tutorial on using “deep sleep” for esp8266 to conserve battery?

Effective and cool

Is it the same relay that we use for both dc and ac peripherals that we are operating, in this case the bulp

Hello from Greece! Nice, simple video as always!Can you make more videos about the ESP-8266? For example, how to toggle a pin from internet using cellular data from phone or using other, non local WiFi..? Or how to connect two ESP-8266 together? Looking forward to your reply!

Good!

Back EMF? Are you sure you are using the term correctly for that diode. I think it's there to drain the relay coil quickly so the contacts don't linger in the on position when the power is cut. Back EMF refers to motors.

I just realized, the diy bms uses the wemos d1 mini/ mini pro! I don't really care for WiFi, do you know if the data that goes out on WiFi, can it be sent through HDMI also? And what it would require if possible? Good day sir!

Thank you sir,It is very useful to me...but a doubt, what is DIP switch sir...please reply me sir....

Wow, a 6years old guide n i just started learning now...😅

thanks

Very nice

Thanks for another great video but I am having a problem loading the ESP8266WiFi.h library. I noticed in the comment section that someone asked that question before and the reply but try as I might I cant find that library or file.. what am I doing wrong, thanks

Cool project!! Can you access this server from outside of your local network?

hey....buddy....this video is awsm....bt I have a question , by this relay can we operate SINGAL PHASE MOTER ...motor use for pumping water that we use in our homes.....

Thanks. It works very well, but how can we prevent the change to very small font. I tried with client.println(""); bus it doesn't work

Thank you.

tnx bro..i make it

i encountered 'D5' was not declared in this scope?? i'am only a beginner thanks for your response

I really do not understand those people who put dislike for this video...

Switching coils without buffer transistor and protection diode can be dangerous. I can recommend a ULN 2003 driver. It has 7 protected buffers in one 16 pin package.

The webserver loads fine for me, and i can click on on and off, but it doesn't switch the relay. I can manually switch it by plugging and unplugging the analog or ground pins though, do you know what is up?

hi .. how to set up everything we need at HTTP section in our phone to access and control the board?

thanks for code all work! can you explean how to ad more channels for more relays? thanks

Hi Brother may I ask what library did you use?

Why Everytime i Connect The Wemos To Electric The Led Lamp Must Be On

question on which board you have selected in the IDE?? generic 8266? thanks

Another neat thing you can do with these is upload a different firmware that turns these into WiFi repeaters

I hope you still respond to these comments. I've been trying to get my ESP8266 to trigger my relay module. However because the relay module runs on 5v, the relay does not activate with the 3.3v signal from the ESP8266. Works just fine with an arduino but I can't get it to trigger with an esp. Can you give me any workaround for this problem?

Thanks for the video! First time with ESP8266. Text on phone is really small. How do I make it bigger? I know it's HTML.

When I used this code to have a wemos repeatingly respond to a client (like my C# program running on pc), the client starts throwing SocketExceptions and such. Took me a while to figure out what this all meant. Only after some searching, I found that the server (the arduino) disconnects after the first response. It seems that the code used here makes a new client every loop and the client needs to reconnect every time. Just a heads up in case somebody runs into similar programs.

I have to say I did not get a lot of the code stuff, more of an explanation would have been helpful, I'm not really sure what's is going on gere, what is the server etc ? But tha k you anyway was still good video and helpful

Hello! I have a question... Do i can to connect the WEMOS D1 directly to the computer?

"HTTP mumbo jumbo" hahahah ;)

Hye...Can i Know what app That U Use To Control?

Hi, i need control 8 relay. It’s possible? How i doit this? Help me, please!!!

how i access the ip address??? i getting error when i access the ip address "the site can't be reached" please help

how can I found ESP8266 wifi module on proteus8 professional?

Hi Does the board can execute the sketch if it s unplugged form the pc an plugged with the dc power supply?

Hi, I have a question. can i power up a 5 volt 4 channel relay module with a 5 volt 0.7-0.8 mAh wall type charger, which is basically use for charge the simple mobiles. If yes, then how i connect, i mean what will be the circuit diagram. which wire will be connect with the vcc and which wire connect with the ground and which wire is connect with the ESP8286. OR, ESP8266 nodeMCU board 3.3volt is sufficient for 4 channel 5 volt relay? i am try to built a home automation project. Thank you very much. Please help me

I'm on my network fine, but my router doesn't properly find the IP address of the ESP in the NAT list for the firewall. Any Ideas?

I have been using this setup, but the wifi on the WeMos goes into sleep mode then you cant access it thru the phone, unless you hit the reset button to wake it up, any way to keep it active?

Hi! Anything with an esp8266 for sending and receiving data and control that goes through an external cloud server?

Cool How can you integrate this into smart life app?

By any chance does anyone have any code to assign a static address and not dhcp? Also can you show us how one could add a switch and have the url display status off said switch?

right after the flashing the relay goes to ON and it is not possible to turn in off in the browser it's like it stays constantly on and doesnt respond to inputs

how could i obtain the wan ip address in order to control the board in remote?

Not much info on how the phone was set up, did you just enter the ip address in the phone browser?

Can't the switch set timer

how can we install the library

Hello congratulations from Belgium. Everything works I tested. How can I make the text bigger on the web page of my Android 192.168.1.XX smartphone because the text is too small. thank you

Hello,good video! I would like to create wifi or bluetooth controlled relay what has battery inside or needs very low woltage.Its going to be in my dirtbile which has no power lines.I would use it to start and stop it.For stopping it connect one wire to ground and for starting connects one to plus.T.jorma

Can you add library please.

the only missing thing is: you did not explain how to open Arduino IDE , and which board to choose. thank you so much

When I try to verify this code, the arduino IDE gives this one error: Wifi_ESP8266_2:18:14: error: 'd5' was not declared in this scope int ledPin = d5; Any suggestions?

@learnelectronics Great video brother! Subbed! The HTTP section is a Response Header to a valid HTTP-GET request. When you click to power on the component, you're sending an HTTP-GET request. The response is just a formality. Print this out! www.ntu.edu.sg/home/ehchua/programming/webprogramming/HTTP_basics.html That will teach you everything you need to know about HTTP in 20 pages. Also, using the DMZ is dangerous. It sets a device outside your firewall. It's just as easy to set up Port Forwarding and it's MUCH safer. It's done in your router settings/config as well. Making a device other than your router accessible from outside the network is dangerous enough, you put a device in the DMZ and the firewall will no longer protect it.

The butttons on my webbrowser are not working. Can you help out, please?

What library did you use for this code

PIR Motion Sensor this is sensor sir

is it possible if i switch Arduino WeMos to be Arduino Uno R3 ?

Can someone please give a link to the ESP8266WiFi.h library i cannot find it

while thats cool its a bit overkill :P for my uses a simple 433 Mhz remote was enough (switching my stereo that i built from china parts). i might have to create an internet activated switch for my computer though one day. that way i could work on my computer even when im not at home

hello bro, can you make code to control motor stepper ?