Smart Dustbin with New Blynk2.0 IoT App using ESP32 | Smart Garbage Bin using BlynkEdgent Method

[@PrabinKumarDas001]

A very informative and detailed video tutorial by #smedehradun

[@SMEDehradun]

@Prabin Kumar Das Thanks.

[@naqihussain]

really helpful, actually helping me in my iot project :)

[@SMEDehradun]

That’s good. 👍

[@naqihussain]

@@SMEDehradun but sir ,facing an error in arduino ide while uploading the code in esp32 (blynk simple esp32_ssl_h: no such file or directory)

[@SMEDehradun]

Add the blynk library in Arduino ide. Also check that you have downloaded the code for ESP32 board. Select the board as ESP32 wrover board

[@naqihussain]

@@SMEDehradun done with these steps..

[@SMEDehradun]

Check again. This problem will occur due to library or wrong board or code delecyion

[@chiraggupta4651]

Sir did u just supplied power to 5v to 12v power supply for the whole working is done with the help of power supplied by computer usb Pleasee answer sir I'm making this as my project

[@SMEDehradun]

5V USB power is enough for the project.

[@chiraggupta4651]

Sir but I'm not using it I'm only supplying input through USB to nodemcu will that be enough

[@chiraggupta4651]

Sir my IR sensor is working fine but the servo is not moving is it because I'm not using the external power supply

[@SMEDehradun]

Use usb adaptor for power supply. You can also check the servo working without any load to servo motor.

[@chiraggupta4651]

Usb adaptor for nodemcu supply?

[@Amazing_world531]

sir I have no। Ir sensor and I don't want to measure bin level just only smart dustbin so how to do ?

[@hackmaster824]

Hi sir, I've been struggling finding the 12v to 5v step down, so if possible, can I just make this project without it? So if I'm not using 12v to 5v step down, what should I replace it with?

[@SMEDehradun]

Hi, Plz go through this video. Here you can make it with 5V power supply & updated method. kzbin.info/www/bejne/o33ddpWVZs5si7M

[@hackmaster824]

@@SMEDehradun alright sir this help so much.. have a good day and thanks a lot sir

[@harshmadhogaria2132]

despite installing all the libraries and copying it into the ARDUINO ZIP file , I am unable to run the code successfully, it says as no directory or file found - BlynkEdgent.h , I know this is some library issue so please give any resolution if possible , also can I order a full working model of this dustbin , do you deliver a working model as well for project purpose ?

[@SMEDehradun]

Hello harsh, You need to select the proper board in Arduino IDE. This error will come if you didn’t install the library properly in Arduino IDE or there is missing Id header files. See in this video, how to fix errors in Blynk2. kzbin.info/www/bejne/e4HLipKeedStm9E Yes we can make it & deliver it to your location. But try to do it yourself as it’s very easy & code is perfect.

[@harshmadhogaria2132]

@@SMEDehradun yes I too wanted to do it myself but due to time constraint I can't , please if you can make and deliver it , it would be very helpful , how to contact you personally ?

[@harshthakkar4021]

Sir which platform you have used for simulation plzz name the platform

[@harshthakkar4021]

Plzz name the platform sir and also share the schematic diagram plzz

[@SMEDehradun]

Schematic diagram is shown in the video. You can check.

[@harshthakkar4021]

@@SMEDehradun thanks for the reply sir what about the platform?

[@harshthakkar4021]

@@SMEDehradun sir which platform you have used for simulation plzz name?🙏🙏

[@SMEDehradun]

Simulation?

[@VAISHNAVIK-n9h]

If the library folder is not showing in the arduino software downloads(5.38 mins) can we add it in the arduino application (sketch

[@SMEDehradun]

Yes you can. You can also do this project using another alternate method. This is link kzbin.info/www/bejne/o33ddpWVZs5si7M

[@VAISHNAVIK-n9h]

@@SMEDehradun sir may I know what is the difference between both the methods?

[@SMEDehradun]

Method to connect with Blynk cloud.

[@vaishnavik4224]

@@SMEDehradun okay thank you

[@SMEDehradun]

🙏

[@BhagyashreeDGade]

Hello sir I just wanted to know do we have to connect laptop to esp32 while working of project even after I uploaded the code in eap32.

[@SMEDehradun]

No. Once you uploaded the code, it’s stored in the flash memory. You need to only provide the power to run it.

[@tanishqmawa603]

SIR can this project work without the use of external power supply ? If yes then how will be the circuit diagram and do I have to change anything in the code ? please reply sir as it urgently needed

[@SMEDehradun]

Yes you can. Connect all the voltage pins together. No changes in code.

[@amirikram5705]

why my servo motor did not function with ir sensor , my ir sensor have 3 pin ( out , gnd , vcc ) . i connect out to d35 on esp32 like the video but the servo did not respond like yours in the video

[@SMEDehradun]

Hi Amir, My IR sensor is provide HIGH, while sensing any object. I think your ir sensor gives LOW, whiles sensing. You need to change code for IR sensor.

[@SMEDehradun]

Hi Amir, I have fixed the code for IR sensor in the program & update the links. Now you can download the code & start it again.

[@0000-ram]

Helo very good project pls do in Arduino uno.....with byknk app also please please please please please please please this is my final year project 😭

[@SMEDehradun]

If you use arduino, then you have use ESP01 for the further connectivity to the blynk. I will try, but will take time. Hope, will post soon.

[@dr.rajeshsingh1869]

Amazing efforts

[@SMEDehradun]

Thanks 🙏

[@SMEDehradun]

Hello guys, Code has been updated for the Smart Dustbin. IR Sensor bugs has been resolved. Use Ir sensor that provides LOW output while sensing the obstacle.

[@ramakrishnayeripalli1658]

Can we get perfect output by following the above video and the codes

[@SMEDehradun]

Code has been verified and tested with real time hardware. It’s also depend on how you interface your hardware.

[@ramakrishnayeripalli1658]

@@SMEDehradun thank you

[@SMEDehradun]

Welcome. If getting any problem, let me know.

[@ramakrishnayeripalli1658]

@@SMEDehradun In this project, may I know the use of 12v - 5v stepdown power supply module

[@VAISHNAVIK-n9h]

hi sir,after selecting the board also it says(not connected) and the port options in being disabled.... may i know what should be done?

[@SMEDehradun]

Ok. So you need to install the COM port driver for your board in your computer. Below video link will help you to install the com port driver. kzbin.info/www/bejne/gqHSmZx9m516n7c

[@foysalahmedpranto8069]

I can not find any libray option of ardiono zip file upter extract... How can i solve this..sir

[@SMEDehradun]

Go to Sketch, then include library, you will get add .zip library option

[@mariahhafizah5208]

oh wait how can the ir detect the object if the you make transmitter being outside the bin? the transmitter detect the waste in bin right?

[@SMEDehradun]

Hi, Have you seen the video properly? Watch the complete video, see what we used to measure the bin level and what to detect hand. Also check circuit diagram.

[@JayaPrakash-zk5ep]

@@SMEDehradun Can we use PIR Sensor instead of IR Sensor ?

[@SMEDehradun]

😂 PIR sensor property is different.

[@VAISHNAVIK-n9h]

sir, is the IR sensor sensing the hand and ultrasonic sensor sensing the garbage level??

[@SMEDehradun]

Yes. IR sensor is used to open the flap of the bin and ultrasonic sensor is used to sense the garbage level.

[@SitiIntanUmairahKhadzar]

Hi sir, I only have access to hotspot, do you know how I could connect my blink using the hotspot instead of wifi router?

[@SMEDehradun]

Yoo pi I am ise the hotspot of other mobile. And if you have latest 5G android mobile, then there is option to switch on the data, hotspot and wifi at a time.

[@jeonmiku6592]

is IR sensor is ir avoidance sensor ?

[@SMEDehradun]

Yes.

[@Amazing_world531]

how to solve blynk firmware version failed proplem please help me?

[@SMEDehradun]

You can connect to Blynk using below alternate method. kzbin.info/www/bejne/o33ddpWVZs5si7M

[@Amazing_world531]

@@SMEDehradun sir I have no। Ir sensor and I don't want to measure bin level just only smart dustbin so how to do ?

[@eshagurav4639]

@SME Dehradun sir could you please share the exact link for purchase of 12v to 5v step down power supply ?It would be really helpful for our project.

[@SMEDehradun]

Check This link. you can buy the 12V to 5V Dc to dc converter from amazon www.amazon.in/DC-DC-Stepdown-Converter-Circuit-Board/dp/B08W3VYSBP/ref=pd_sbs_1_sccl_1/260-9576980-4469204?pd_rd_w=oG3Ki&pf_rd_p=2cc6ee6d-5e48-4262-84d1-99c2a988deb6&pf_rd_r=SPVME8JN7S93TD7PKB12&pd_rd_r=03e38de5-9559-4ef8-ac4f-ea2f52144564&pd_rd_wg=FVmMY&pd_rd_i=B08W3VYSBP&psc=1

[@eshagurav4639]

@@SMEDehradun Thank you sir

[@SMEDehradun]

Welcome Esha Gurav

[@sardorkamalov3750]

is it possible to use arduino uno board instead of 12v to 5v step down power supply?

[@SMEDehradun]

Yes you can use Arduino Uno as power supply.

[@sardorkamalov3750]

@@SMEDehradun should there be any change in the code if I use arduino uno?

[@SMEDehradun]

@@sardorkamalov3750 yes. you need to change the programming code

[@ayushbhandari5017]

@@SMEDehradun pleasev tell the changes that needs to be done

[@nuttyengineer6095]

Really amazing

[@SMEDehradun]

@NuttyEngineer Thank you for your Customized hardware boards support.

[@ujangdadan6203]

After done uploading, there is notification "Leaving.. Hard resetting via RTS pin.." I've reset it but the IR sensor still not working. Could you help me Sir? tks

[@SMEDehradun]

Check the IR sensor. It is active high or active low?

[@ujangdadan6203]

When connected to the power supply, the power & signal led IR both light up even though there is no barrier, is it normal Sir?

[@SMEDehradun]

Actually your sensor is not working properly. So check the sensor separately. Add vcc and gnd to the sensor and see is it working while it sense any obstacle?

[@ujangdadan6203]

Ok Sir, thanks for your advice.

[@SMEDehradun]

Welcome

[@VAISHNAVIK-n9h]

sir,after defining the blynk template id and name also.....when compiled it shows "pls specify blynk template id and name"

[@SMEDehradun]

Plz see the video properly. The header files must be inside the programming folder. You can connect with blynk app with alternate method. This is the link. kzbin.info/www/bejne/o33ddpWVZs5si7M

[@ArpitaBamhane]

Hello can you tell from where to get the 12 v to 5v step down power supply .We need it for the project

[@ArpitaBamhane]

please reply sirr

[@SMEDehradun]

You can google it for 12V to 5V step down power supply module. You will get the multiple shoppers who can ship to your location. Buy with minimum 1A current.

[@ArpitaBamhane]

@@SMEDehradun okk sirr

[@SMEDehradun]

Good luck 🤞

[@ArpitaBamhane]

@@SMEDehradun Hello sir sorry to disturb. But sir please can you provide the exact website link or any reference to purchase the 12 to 5v step down power supply mentioned in the video, because we are unable to find it .😅 It would be great if you would help us .

[@debarghyamondal5359]

Sir, I cannot connect the esp32 with blynk using wifi- the device is never found by my mobile's "available wifi devices". What could be the reason?

[@SMEDehradun]

If you had connected this board already with blynk and this is your second time, then you need to erase it with esptool. And if this is first time, then it may be some other reason. You can try it with demo code. Take the help from this video to resolve this issue kzbin.info/www/bejne/e4HLipKeedStm9E

[@nazi7752]

Sir, why i can't successful connected board already with blynk and my second time...and how to earse it with esptool

[@SMEDehradun]

Watch this video to resolve your issue. kzbin.info/www/bejne/e4HLipKeedStm9E

[@azmeerkamarozaman7974]

sir this is urgent question, why my laptop dosnt have com8 at the serial port how can i get that com8

[@SMEDehradun]

Hi, You need to install the usb dribbler for this. Check out this tutorial. docs.espressif.com/projects/esp-idf/en/latest/esp32/get-started/establish-serial-connection.html

[@sanketjadhav1109]

@sme dehradun sir could please tell me why is our motor is not working properly we have done all the connection properly

[@SMEDehradun]

It may due to IR sensor output. What’s the output your IR sensor provides while sensing your hand? High or Low?

[@sanketjadhav1109]

@@SMEDehradun ir ==low

[@SMEDehradun]

Ok. I will check the code & update you.

[@sanketjadhav1109]

@@SMEDehradun actually motor is not working properly its open and close the lid quickly it is not taking time to throw the garbage and the Motor is not linked with the IR sensor

[@SMEDehradun]

It’s due to ir sensor opposite sensitivity. I will let you know what correction you need to made in code for this.

[@izzatizairul]

can i use wemos d1 r2 (esp8266) to replace esp32

[@SMEDehradun]

Yes you can.

[@samiths6686]

Can we use nodemcu instead of esp32

[@SMEDehradun]

Yes Samith, You can.

[@samiths6686]

But the header library will be different ryt

[@SMEDehradun]

Yes. Header files are different for esp32

[@afsheenborkar7283]

Can we give 9v power supply?

[@SMEDehradun]

9V battery will not work with it because it’s required good power supply to operate

[@vellayan6017]

Error while uploading ( A fatal error occurred: Failed to connect to ESP32: Timed out waiting for packet header)

[@SMEDehradun]

Select the proper board as well as com port for your ESP32 board.

[@yasirALI-fo2my]

Great!

[@SMEDehradun]

Thanks Yasir

[@srinu9438]

Sir ,12v to 5v ,2a stepdown power supply could you please send me proper link The link u given to the other person the components have no pins Pls clarify my doubt

[@SMEDehradun]

Hi, Click on the link for the step download power supply 5V, 3A www.electronicscomp.com/dc-to-dc-6-24v-to-5v-usb-output-step-down-power-charger-with-adjustable-buck-converter?gclid=EAIaIQobChMIsrH02Oyj-gIVk6uWCh0wmgedEAQYByABEgLi8fD_BwE Or robu.in/product/dc-dc-3a-5v-12v-24v-to-5v-step-down-power-supply-module/?gclid=EAIaIQobChMIsrH02Oyj-gIVk6uWCh0wmgedEAQYBiABEgKMCfD_BwE

[@shishirwaglek9044]

Sir where will i get the transformer?

[@SMEDehradun]

In any Electroics shop that selling the discrete components.

[@kimmiy6111]

What if i don't use the step down but I onky use the usb?

[@SMEDehradun]

Yes, you can use USB. But your usb can provide the sufficient power.

[@coooldave3861]

where do you connect the USB?

[@SMEDehradun]

Be clear what you want to ask?

[@coooldave3861]

I don't have available the step down power supply you used so I want to know how I can connect power with usb

[@manasadodmani1441]

After connecting esp32 we getting com3 port after that it will showing error no such file or directory please help for this issue

[@SMEDehradun]

Where do get these errors?

[@manasadodmani1441]

In Arduino after compiling now it will showing error compiling for eap32 wrover module

[@manasadodmani1441]

Send your email id or what's app number I will send picture of it please help in doing this project we have to submit it with in 20 nov

[@SMEDehradun]

What error you are getting?

[@SMEDehradun]

K. Drop me a mail with your error at [e-mail]

[@jainriddhi3168]

Sir can we upload same program on esp8266??

[@SMEDehradun]

Program for esp8266 is different. I am working on it. Will upload soon. Stay tuned.

[@jainriddhi3168]

@@SMEDehradun Thank you sir

[@SMEDehradun]

Welcome

[@jaybaraiya1921]

sir can use esp8266 instead of esp32

[@SMEDehradun]

Yes. You can download the code for the NodeMCU esp8266 from the video description.

[@venkateshbati4408]

Hi I am getting this how do I resolve it @SME Dehradun Arduino: 1.8.19 (Windows 10), Board: "ESP32 Dev Module, Disabled, Default 4MB with spiffs (1.2MB APP/1.5MB SPIFFS), 240MHz (WiFi/BT), QIO, 80MHz, 4MB (32Mb), 921600, None" WARNING: library Servo claims to run on avr, megaavr, sam, samd, nrf52, stm32f4, mbed, mbed_nano, mbed_portenta, mbed_rp2040 architecture(s) and may be incompatible with your current board which runs on esp32 architecture(s). In file included from D:\BNM\1st Sem\IOT\project\smart_dustbin\smart_dustbin\smart_dustbin.ino:14:0: BlynkEdgent.h:16:2: error: #error "Please specify your BLYNK_TEMPLATE_ID and BLYNK_DEVICE_NAME" #error "Please specify your BLYNK_TEMPLATE_ID and BLYNK_DEVICE_NAME" ^ In file included from D:\BNM\1st Sem\IOT\project\smart_dustbin\smart_dustbin\smart_dustbin.ino:20:0: D:\BNM\1st Sem\IOT\Arduino IDE\libraries\Servo\src/Servo.h:77:2: error: #error "This library only supports boards with an AVR, SAM, SAMD, NRF52 or STM32F4 processor." #error "This library only supports boards with an AVR, SAM, SAMD, NRF52 or STM32F4 processor." ^ Multiple libraries were found for "WiFi.h" Used: C:\Users\bativ\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.5\libraries\WiFi Not used: D:\BNM\1st Sem\IOT\Arduino IDE\libraries\WiFi exit status 1 #error "Please specify your BLYNK_TEMPLATE_ID and BLYNK_DEVICE_NAME" This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences.

[@SMEDehradun]

Watch the video properly. You will get your answer. Also change the blynk credentials in the program.

[@nausheenbhatkar8152]

Hello, I did all the connection as per the video... code also compiled without any error but the lid won't open and I'm not able to connect Blynk app with wifi module.

[@SMEDehradun]

Hi, If you are not getting the wifi board while you want to connect it to blynk2.0 mobile app then go to this link kzbin.info/www/bejne/fmXKhZSQprKjf5I & download & use the demo program to connect your board to your blynk mobile aap. And then upload your complete program. It will help you.

[@nausheenbhatkar8152]

@@SMEDehradun tried running the demo program but again the same issue of wifi not connecting to the app..app shows msg as 'Sorry, app could not initialize connection to the server.'

[@SMEDehradun]

You can also try blynk app in other mobile. Some android version doesn’t support blynk app. If issue remain same then try to disconnect all connections and then try NodeMCU alone to connect with blynk mobile app. This could resolve your problem.

[@nausheenbhatkar8152]

@@SMEDehradunI am able to see bin level and distance in another device using blynk but the part where IR sensor detects hand and opens the bin lid is still not working.

[@SMEDehradun]

Calibrate the IR Sensor. May b it’s not calibrated or connection issue.

[@bijaysahoo4443]

i am getting an error on compiling the code using esp32 wrover module

[@SMEDehradun]

Have you added the servo library & blynk library in Arduino IDE.

[@jishankhan1310]

@@SMEDehradun yes I have add both libraries this error is show

[@jishankhan1310]

Please reply

[@SMEDehradun]

What error message you are getting?

[@jishankhan1310]

@@SMEDehradun error compiling for board esp32 wrover module

[@boadulawrence3789]

Please can i get the code for esp8266, I tried with this but didn't work

[@SMEDehradun]

I will try the code for esp8266

[@samiths6686]

Getting error while uploading the code. And the port is com5 and not com8. Can u please help with this

[@SMEDehradun]

Hi Samith, What error you are getting in the code?

[@samiths6686]

@@SMEDehradun timed out waiting for packet content

[@SMEDehradun]

Then you need to check the com port, it may due to wrong selection of the com port.

[@samiths6686]

@@SMEDehradun there's only one com port available that is arduino uno com5

[@SMEDehradun]

Smith, You need to check the com port on device manager of your computer. There you will check com port for your NodeMCU.

[@srinu9438]

Hii sir the links you are given below are not working currently we are working on this project can i get full information please

[@srinu9438]

Please sir

[@SMEDehradun]

Hi srinu, All the links are working. Let me know, Which link is not working?

[@SMEDehradun]

If you see the complete video, you will get all the information

[@srinu9438]

@@SMEDehradun coding link sir

[@SMEDehradun]

Program link is working. You can download it from there. Till evening, I will upload this code to my GitHub repo. You can also download it from there.

[@pramodlamani9506]

Sir muje o program chahiye sir kidar milega plz give me the program

[@SMEDehradun]

Check the link in video description for programming code. You can do this project with alternate method. Below is the link of video. kzbin.info/www/bejne/o33ddpWVZs5si7M

[@afsheenborkar7283]

I have done all connections as you showed, didn't get any error but it's not working

[@SMEDehradun]

Have you connected your board to Blynk2.0 mobile app? Follow it as per shown in the video.

[@afsheenborkar7283]

Yes

[@afsheenborkar7283]

Connected to Blynk but didn't get any output

[@SMEDehradun]

If you didn’t get any data in blynk mobile app or in web dashboard then connect your NodeMCU to Computer & see what’s the data you will get in serial monitor

[@afsheenborkar7283]

still it's not working 😓

[@628adarshmishra8]

Sir plz tell me I an getting an error while uplaoding.

[@SMEDehradun]

What error you are getting? Let me know

[@628adarshmishra8]

@@SMEDehradun #include This is the error

[@628adarshmishra8]

Plz sir help me it's very urgent If you can give me your no. Then I can clear all my problems and doubts

[@SMEDehradun]

There is some library issue. Install all the library properly as per the instructions in the video.

[@628adarshmishra8]

@@SMEDehradun I have installed Can you give me your no. So that I can clear it plz.. it's a request and urgent alsoo

[@tanishqmawa603]

SIR, IT IS SHOWING ME A FATAL ERROR: COULD NOT CONNECT TO ESP32: NO SERIAL DATA WAS RECEIVED. PLEASE GUIDE ME SIR IT IS VERY URGENT.

[@SMEDehradun]

This is typical method to connect With blynk cloud. You can use below video for smart dustbin. kzbin.info/www/bejne/o33ddpWVZs5si7M

[@tanishqmawa603]

@@SMEDehradun it is showing the same error again . That no serial data received

[@SMEDehradun]

Disconnect all the connections and then try. Watch each and every steps of the video carefully. All the required information has been described in it.

[@SMEDehradun]

You have already asked the question in another video. Check the answer there.

[@ArmanAyon]

Your esp8266 board is completely different.so is your wiring diagram.

[@SMEDehradun]

Hello Arman, I am using our customized esp8266 board. You can use the NodeMCU. Program is same for it. Circuit diagram is same.

[@SMEDehradun]

Hi, We have posted a new video in Smart Dustbin with manually connected to Blynk2.0. Below is the link. kzbin.info/www/bejne/o33ddpWVZs5si7M

[@agipdaulay2407]

The code is not working, why use blynk timer, in blynk 2.0 nothing blynk timer

[@SMEDehradun]

Timer is used to send that data to Blynk sensor. What’s the error you are getting? & follow all the instruction as shown in vide & install all the libraries otherwise code will not not wok properly.

[@sanketjadhav1109]

Hi sir actually I am getting a error while connecting esp32 devkv1 to aurdino

[@vedgandhi27]

Yes sir plz reply as soon as possible

[@SMEDehradun]

What error you are getting?

[@nm-vl1vc]

wonderful. Can you pl do the same for online water sensors for any pipelines, level reservoirs etc. How can we reach you pl.

[@SMEDehradun]

Hi thanks. You can contact us here www.smedehradun.com/contact/

[@honeyff3918]

Bhai ek video full ba na da hindi ma please 🙏bro

[@SMEDehradun]

Hi HONEY, I have already made a video in Hindi, But I had got very little views on that video, so I deleted that video, and only make videos in English. If you need any help, I can.

[@naqihussain]

sr, all the things are working amazing 😃 but servo is not working unfortunately :( (as i connect my circuit to power servo gives a hint and stop working then) help me out please

[@SMEDehradun]

Use external 5V for servo. It may due to Low power.

[@naqihussain]

@@SMEDehradun still not working :(

[@SMEDehradun]

Which servo you are using? Once check the maximum servo angles on servo motor data sheet that you are using.

[@naqihussain]

@@SMEDehradun im using servo sg90 as told in the video

[@naqihussain]

@@SMEDehradun already checked that sheet

[@KomalSingh-ux3zv]

hello sir I also do the Same project but I got an error webserver.h line I follow the same process but I got an error"WebServer.h: No such file or directory"

[@SMEDehradun]

Hi Komal Singh, Check the header files of your program. See this video to fix errors in new blynk kzbin.info/www/bejne/e4HLipKeedStm9E

[@TusharGhorui-l9y]

Blynkedgent.h error

[@SMEDehradun]

Hi, Plz there are header files you include in the programming folder. You can also make this project through alternate method. This is the link kzbin.info/www/bejne/o33ddpWVZs5si7M You can also join our telegram channel for any query t.me/+vJcqQmRQLKYwZWQ1

[@nurnz0778]

why I have problems at #include "BlynkEdgent.h"

[@SMEDehradun]

Hi, It’s May due to not included blynk library or header files in your program.